7Baggers

Capital Southwest Corporation
(NASDAQ:CSWC) 

CSWC stock logo

Capital Southwest Corporation is a business development company specializing in credit and private equity and venture capital investments in middle market companies, mezzanine, later stage, mature, late venture, emerging growth, buyouts, recapitalizations and growth capital investments. It does not ...

Full Time Employees: 22
Sector: Financial Services
Industry: Asset Management

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• Exchange:
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• Employees:
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• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
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At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-03-31 2022-06-30 2022-03-31 2021-12-31 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-09-30 2019-06-30 2018-12-31 2018-06-30 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2014-09-30 
                                   
      investment income:
                                   
      interest income:
                                   
      non-control/non-affiliate investments
    40,746,000 41,238,000 38,606,000 37,789,000 38,621,000 37,936,000 35,405,000 33,627,000  15,748,000 15,263,000 14,805,000 13,953,000  11,879,000 10,069,000  9,236,000 9,031,000 7,744,000 6,032,000 3,384,000 2,433,000 2,082,000 9,232,000 1,282,000 842,000 403,000 1,882,000 1,282,000  
      affiliate investments
    6,831,000 5,256,000 5,762,000 4,767,000 4,727,000 4,759,000 4,518,000 4,214,000  2,512,000 2,348,000 2,116,000 1,648,000  2,003,000 2,576,000  2,001,000 2,050,000 1,886,000 1,452,000 141,000 141,000 140,000 2,181,000 -2,142,000  684,000 1,593,000 -2,142,000  
      control investments
    681,000 621,000 251,000 333,000 350,000 292,000 1,544,000 2,129,000  1,535,000         265,000 440,000 159,000 57,000 1,995,000 1,769,000 7,930,000 1,612,000  300,000 1,577,000 1,612,000  
      payment-in-kind interest income:
                                   
      dividend income:
                                   
      fee income:
                                   
      other income
    618,000 287,000 288,000 1,048,000 491,000 542,000 213,000 193,000  2,000 5,000 4,000                    
      total investment income
    56,945,000 55,947,000 52,406,000 51,973,000 48,706,000 51,354,000 46,431,000 48,566,000  22,543,000 21,029,000 22,311,000 18,579,000  16,685,000 15,164,000  15,218,000 15,799,000 13,871,000 11,107,000 6,865,000 4,726,000 4,157,000 18,125,000 3,307,000 1,078,000 964,000    
      operating expenses:
                                   
      compensation
    2,631,000 3,956,000 3,299,000 2,388,000 1,990,000 3,466,000 1,869,000 3,919,000  1,542,000 1,755,000 3,353,000 1,432,000  1,961,000 1,720,000  1,708,000 2,021,000 2,007,000 1,910,000 1,509,000 1,404,000 1,582,000 701,000 1,675,000 3,411,000 1,212,000 1,402,000 1,675,000  
      share-based compensation
    1,270,000 1,143,000 2,657,000 1,544,000 1,538,000 1,224,000 1,131,000 1,188,000  821,000 737,000 849,000 1,076,000  853,000 612,000  685,000 837,000 607,000 475,000 321,000 255,000 239,000 274,000 195,000 370,000 359,000 258,000 195,000  
      interest
    16,020,000 15,264,000 15,208,000 14,717,000 12,587,000 12,447,000 11,453,000 11,473,000  5,484,000 4,909,000 4,655,000 4,955,000  4,397,000 4,328,000  3,716,000 3,806,000 3,347,000 2,373,000 343,000 103,000         
      professional fees
    1,341,000 1,210,000 1,235,000 998,000 1,095,000 1,357,000 842,000 919,000  849,000 533,000 607,000 701,000  583,000 570,000  462,000 626,000 390,000 488,000 404,000 331,000 518,000        
      general and administrative
    1,666,000 1,657,000 1,543,000 1,643,000 1,482,000 1,574,000 1,367,000 1,301,000  1,217,000 1,109,000 1,010,000 976,000  754,000 732,000  1,231,000 789,000 704,000 825,000 664,000 641,000 685,000 920,000 1,316,000 1,175,000 1,025,000 1,291,000 1,354,000  
      total operating expenses
    22,928,000 23,230,000 23,942,000 21,290,000 18,692,000 20,068,000 16,662,000 18,800,000  9,913,000 9,043,000 10,474,000 9,140,000  8,581,000 7,995,000  7,837,000 8,115,000 7,095,000 6,111,000 3,456,000 2,949,000 3,239,000 -4,215,000 3,934,000 10,325,000 3,764,000    
      income before taxes
    34,017,000 32,717,000 28,464,000 30,683,000 30,014,000 31,286,000 29,769,000 29,766,000  12,630,000 11,986,000 11,837,000 9,439,000  8,104,000 7,169,000  7,381,000 7,684,000 6,776,000 4,996,000 3,409,000 1,777,000 918,000        
      federal income, excise and other taxes
    1,149,000 1,099,000 408,000 474,000 325,000 217,000 294,000 392,000  73,000 -102,000 68,000 200,000                   
      deferred taxes
    884,000 -271,000 214,000 -107,000 -1,476,000 2,210,000 79,000 515,000  119,000 69,000 -130,000 196,000                   
      total income tax provision
    2,033,000 828,000 622,000 367,000 -1,151,000 2,427,000 373,000 907,000  192,000 -33,000 -62,000                    
      net investment income
    31,984,000 31,889,000 27,842,000 30,316,000 31,165,000 28,859,000 29,396,000 28,859,000  12,438,000 12,019,000 11,899,000 9,043,000  8,319,000 6,819,000  6,815,000 7,360,000 6,675,000 4,617,000 2,873,000 1,365,000 371,000 20,072,000 -20,000 -9,335,000 -2,830,000 1,497,000 -20,000  
      realized gain
                                   
      income tax provision
    -759,000         -244,000  -1,442,000                    
      total net realized gain on investments, net of tax
    -4,926,000 15,704,000 -27,267,000 -12,805,000 -10,289,000 711,000 -19,661,000 -7,842,000  2,320,000 575,000 2,715,000   -1,279,000 -5,547,000                
      net unrealized (depreciation) appreciation on investments
                                   
      income tax benefit
    -1,058,000 -6,229,000   13,000 276,000 303,000 7,000   -1,185,000 679,000 -435,000  -725,000 -524,000  -475,000 -183,000 153,000 319,000 -25,000  -522,000        
      total net unrealized (depreciation) appreciation on investments, net of tax
    -1,437,000 -20,592,000 -3,643,500 -847,000  -15,535,000    -12,248,000 1,076,500 -2,054,000      -4,369,000 -1,864,000 -4,238,000            
      net realized and unrealized gains on investments
    -6,363,000 -4,888,000 -10,270,000 -13,652,000 -8,481,000 -14,824,000 -15,927,000 -5,375,000  -9,928,000 7,736,000 661,000 6,099,000  8,357,000 2,058,000  -4,086,000 -647,000 -2,355,000 7,036,000 5,012,000          
      realized loss on disposal of fixed assets
    -2,000  -11,000 -9,000                            
      net increase in net assets from operations
    25,619,000 27,001,000 17,561,000 16,268,000 22,684,000 14,035,000 13,469,000 23,484,000  2,510,000 19,669,000 12,560,000 15,142,000  16,390,000 8,877,000  2,729,000 6,713,000 4,320,000 11,653,000 7,885,000 6,918,000 2,697,000 31,388,000 -1,130,000 -8,948,000 2,164,000    
      pre-tax net investment income per share - basic
    0.61 0.61 0.55 0.64                            
      net investment income per share – basic
    0.57 0.59 0.54 0.63                            
      net increase in net assets from operations – basic
    0.46 0.5 0.34 0.34                            
      net increase in net assets from operations - diluted
    0.44 0.48 0.35 0.34                            
      weighted-average common shares outstanding – basic
    55,544,095 53,516,995 47,448,093                             
      weighted-average common shares outstanding – diluted
    64,830,413 62,777,430 51,187,714                             
      realized loss on extinguishment of debt
       -387,000                            
      weighted-average shares outstanding – basic
       48,315,228           18,600,443 18,147,888 17,999,836 17,770,011 17,535,924 17,120,357 16,180,291 15,868,977 15,726,419 15,724,620 15,824,879 15,663,297 15,583,332 15,573,291    
      weighted-average shares outstanding – diluted
       54,121,844           18,600,443 18,147,888 17,999,836 17,770,011 17,535,924 17,122,925 16,201,443 15,931,501 15,805,577 15,791,299 15,877,331 15,751,241 15,671,664 15,676,513 15,723,617   
      net unrealized appreciation (depreciation) on investments
                                   
      total net unrealized appreciation (depreciation) on investments, net of tax
        1,808,000  3,734,000 2,467,000     7,051,000  9,636,000 7,605,000                
      pre-tax net investment income per share - basic and diluted
        0.64 0.69 0.67 0.72  0.5 0.5 0.51 0.45  0.44 0.4  0.42 0.44 0.4 0.31 0.21 0.11 0.06 1.42 -0.04 -0.59 -0.18    
      net investment income per share – basic and diluted
        0.66 0.63 0.66 0.7  0.49 0.343 0.51 0.43  0.45 0.38  0.38 0.42 0.39 0.29 0.18 0.09 0.02 -0.195  -0.6 -0.18 0.09   
      net increase in net assets from operations – basic and diluted
        0.48 0.31 0.28 0.57  0.1 0.258 0.54 0.71  0.88 0.49  0.15 0.38 0.25 0.72 0.5 0.44 0.17 -0.128 -0.07 -0.57 0.14    
      weighted-average shares outstanding – basic and diluted
        47,242,863 45,665,387 40,727,133 41,513,773 30,015,533 25,513,534 22,839,835 23,432,522 21,201,884                   
      interest income from cash and cash equivalents
                1,000  4,000 3,000  12,000 16,000 12,000 4,000 29,000 56,000 70,000 -126,000 133,000 103,000 56,000 94,000 133,000  
      fees and other income
                320,000  939,000 559,000  382,000 418,000 437,000 385,000 176,000 101,000 96,000 366,000 280,000 133,000 205,000 123,000 280,000  
      total income tax expense
                396,000                   
      total net realized loss on investments, net of tax
                -952,000                   
      net pension expense
                  33,000 33,000  35,000 36,000 40,000 40,000 43,000 43,000 43,000 303,000 38,000 -105,000 -70,000    
      income tax (benefit) expense
                  -215,000                 
      realized losses on extinguishment of debt
                  -286,000                 
      income tax expense
                   350,000  566,000 324,000 101,000 379,000 536,000 412,000 547,000 2,268,000 -607,000 88,000 30,000 -789,000 -607,000  
      total net realized gain on investments before income tax
                     283,000 1,217,000 1,883,000 18,819,000 72,000 3,527,000 199,000 18,714,000 -8,170,000 -3,396,000 749,000 16,000 -8,170,000  
      spin-off compensation plan
                         172,000 172,000 172,000 -441,000 461,000   172,000 461,000  
      change in unrealized appreciation of investments
                                   
      total net change in unrealized appreciation of investments, net of tax
                        -11,783,000 4,940,000 2,026,000         
      net realized and unrealized gain on investments
                          5,553,000 2,326,000 11,316,000 -1,110,000 387,000 4,994,000 3,166,000 -1,110,000  
      unrealized appreciation of investments
                                   
      total net increase in unrealized appreciation of investments, net of tax
                           2,127,000 3,772,000 7,060,000      
      interest and dividends
                                   
      spin-off professional fees
                            1,740,250 249,000 5,474,000 1,238,000 79,000 249,000  
      income before income taxes
                            22,340,000 -627,000 -9,247,000 -2,800,000 708,000 -627,000  
      portfolio company investments
                            -7,075,000 7,060,000 3,783,000 4,245,000    
      total net increase in unrealized appreciation of investments
                              3,783,000 4,245,000    
      operating expenses: - sum
                                4,505,500 3,934,000  
      realized gain:
                                   
      net increase in unrealized appreciation of investments
                                3,150,000 7,060,000  
      increase in net assets from operations
                                -2,515,750 -1,130,000  
      ·
                                   
      type
                                   
      preferred & common equity
                                   
      warrants
                                   
      debt
                                   
      partnership interests
                                   
      total
                                   
      recent transaction price
                                   
      net asset value
                                   
      asset category
                                   
      preferred equity
                                   
      common equity
                                   
      total investments
                                   
      4.
                                   
      5.
                                   
      6.
                                   
      7.
                                   
      date of issuance
                                   
      2009 plan*
                                   
      july 18, 2011
                                   
      july 19, 2010
                                   
      march 22, 2010
                                   
      october 19, 2009
                                   
      july 15, 2013
                                   
      january 20, 2014
                                   
      march 17, 2014
                                   
      1999 plan
                                   
      july 30, 2008
                                   
      july 21, 2008
                                   
      july 16, 2007
                                   
      july 17, 2006
                                   
      may 15, 2006
                                   
      2009 plan
                                   
      balance at march 31, 2012
                                   
      granted
                                   
      exercised
                                   
      canceled/forfeited
                                   
      balance at march 31, 2013
                                   
      balance at march 31, 2014
                                   
      balance at september 30, 2014
                                   
      combined balance at september 30, 2014
                                   
      ¹see note 6.
                                   
      september 30, 2014
                                   
      outstanding
                                   
      exercisable
                                   
      restricted stock available for issuance as of march 31, 2014
                                   
      restricted stock granted during the six months ended september 30, 2014
                                   
      restricted stock forfeited during the six months ended september 30, 2014
                                   
      restricted stock available for issuance as of september 30, 2014
                                   
      restricted stock awards
                                   
      unvested at march 31, 2014
                                   
      vested
                                   
      forfeited
                                   
      unvested at september 30, 2014
                                   
      phantom stock awards
                                   
      forfeited or expired
                                   
      8.
                                   
      9.
                                   
      per share data
                                  2,014 
      investment income
                                   
      operating expenses
                                   
      income taxes
                                   
      net investment loss
                                   
      distributions from undistributed net investment income
                                   
      net realized gains
                                   
      net increase in unrealized appreciation of investment
                                   
      capital share transactions:
                                   
      exercise of employee stock options
                                   
      issuance of restricted stock*
                                   
      stock option expense
                                   
      increase in net asset value
                                   
      beginning of period
                                   
      end of period
                                   
      alamo group, inc.
                                   
      capitala finance corporation
                                   
      encore wire corporation
                                   
      north american energy partners
                                   
      the rectorseal corporation
                                   
      tci holdings, inc.
                                   
      the whitmore manufacturing company
                                   
      cinatra clean technologies, inc.
                                   
      discovery alliance, llc
                                   
      startech seed fund ii
                                   
      tristate capital holdings, inc.
                                   
      total realized gain
                                   
      imemories, inc.
                                   
      instawares holding company
                                   
      kbi biopharma, inc.
                                   
      media recovery, inc.
                                   
      titanliner, inc.
                                   
      wellogix, inc.
                                   
      the whitmore manufacturing company.
                                   
      item 3.
                                   
      item 4.
                                   
      item 1.
                                   
      item 1a.
                                   
      item 6.
                                   
      exhibit no.
                                   
      10.1
                                   
      10.2
                                   
      10.3
                                   
      10.4
                                   
      10.5
                                   
      31.1
                                   
      31.2
                                   
      32.1
                                   
      32.2
                                   
      november 7, 2014
                                   
      date
                                   
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-03-31 2022-12-31 2022-09-30 
                 
        assets
                 
        investments at fair value:
                 
        non-control/non-affiliate investments
      1,488,403,000 1,449,483,000 1,436,316,000 1,471,215,000 1,297,261,000 1,274,554,000 1,286,355,000 1,124,887,000 966,627,000 929,089,000 859,250,000 
        affiliate investments
      334,811,000 276,771,000 292,891,000 221,044,000 201,870,000 184,193,000 190,206,000 185,950,000 188,505,000 173,332,000 146,784,000 
        control investments
      54,693,000 53,944,000 56,092,000 9,027,000 9,376,000 9,379,000  54,200,000 51,256,000 47,625,000 50,897,000 
        total investments
      1,877,907,000 1,780,198,000 1,785,299,000 1,701,286,000 1,508,507,000 1,468,126,000 1,476,561,000 1,365,037,000 1,206,388,000 1,150,046,000 1,056,931,000 
        cash and cash equivalents
      87,429,000 46,889,000 43,221,000 36,013,000 47,237,000 33,299,000 32,273,000 23,605,000 21,585,000 21,686,000 30,238,000 
        restricted cash
      1,650,000 1,650,000 1,650,000         
        receivables:
                 
        dividends and interest
      33,031,000 30,141,000 30,303,000 28,237,000 29,981,000 24,459,000 22,928,000 23,609,000 18,430,000 16,352,000 14,686,000 
        escrow
      1,855,000 2,003,000 1,926,000   16,000 16,000 16,000 363,000 362,000 363,000 
        other
      2,698,000 3,705,000 2,018,000 4,056,000 1,477,000 1,048,000 7,276,000 1,264,000 647,000 3,203,000 893,000 
        income tax receivable
      48,000 95,000 94,000 668,000 484,000 380,000 336,000 349,000 368,000 238,000 158,000 
        debt issuance costs
      8,277,000 8,981,000 9,266,000 9,938,000 10,611,000 10,805,000 10,928,000 9,655,000 3,717,000 3,996,000 4,044,000 
        other assets
      8,429,000 8,750,000 9,063,000 8,867,000 6,201,000 5,899,000 6,440,000 5,952,000 6,186,000 6,274,000 5,858,000 
        total assets
      2,021,324,000 1,882,412,000 1,882,840,000 1,789,065,000 1,604,498,000 1,544,032,000 1,556,758,000 1,429,487,000 1,257,684,000 1,202,157,000 1,113,171,000 
        liabilities
                 
        sba debentures
      170,912,000 171,115,000 170,918,000 170,721,000 149,064,000 148,880,000 148,695,000 126,081,000 116,330,000 100,582,000 77,553,000 
        october 2026 notes
      149,231,000 149,038,000 148,846,000 148,654,000 148,462,000 148,269,000 148,077,000 147,884,000 147,263,000 147,078,000 146,893,000 
        august 2028 notes
      70,446,000 70,320,000 70,194,000 70,075,000 69,948,000 69,820,000 69,693,000 69,566,000    
        2029 convertible notes
      223,847,000 223,477,000 223,107,000 222,744,000        
        september 2030 notes
      343,322,000           
        credit facilities
      77,000,000 312,000,000 343,000,000 308,000,000 278,000,000 229,000,000 265,000,000     
        other liabilities
      21,079,000 19,136,000 23,038,000 20,993,000 14,259,000 16,301,000 17,381,000 18,376,000 16,761,000 14,568,000 22,434,000 
        accrued restoration plan liability
      545,000 550,000 555,000 556,000 561,000 566,000 570,000 584,000 598,000 2,639,000 2,628,000 
        income tax payable
      3,077,000 7,383,000 2,769,000 1,251,000 799,000 449,000 281,000 802,000 156,000 409,000 258,000 
        deferred tax liability
      14,861,000 12,919,000 16,780,000 15,629,000 12,590,000 13,944,000 11,997,000 10,925,000 12,117,000 11,427,000 8,798,000 
        total liabilities
      1,074,320,000 965,938,000 999,207,000 958,623,000 813,240,000 766,701,000 801,082,000 708,522,000 667,276,000 640,670,000 637,447,000 
        commitments and contingencies
                 
        net assets
                 
        common stock
      14,242,000 13,807,000 13,228,000 12,513,000 11,922,000 11,709,000 11,263,000 10,745,000 9,604,000 9,225,000 7,780,000 
        additional paid-in capital
      1,040,244,000 999,728,000 959,123,000 903,513,000 855,177,000 833,627,000 796,945,000 751,411,000 646,586,000 616,590,000 521,072,000 
        total distributable earnings
      -107,482,000 -97,061,000 -88,718,000 -85,584,000 -75,841,000 -68,005,000 -52,532,000 -41,191,000 -41,845,000 -40,391,000 -29,191,000 
        total net assets
      947,004,000 916,474,000 883,633,000 830,442,000 791,258,000 777,331,000 755,676,000 720,965,000 590,408,000 561,487,000 475,724,000 
        total liabilities and net assets
      2,021,324,000 1,882,412,000 1,882,840,000 1,789,065,000 1,604,498,000 1,544,032,000 1,556,758,000 1,429,487,000 1,257,684,000 1,202,157,000 1,113,171,000 
        net asset value per share
      16,620 16,590 16,700 16,590 16,590 16,600 16,770 16,770 16,370 16,250 16,530 
        january 2026 notes
          139,557,000 139,472,000 139,388,000 139,304,000 139,051,000 138,967,000 138,883,000 
        treasury stock
              -23,937,000 -23,937,000 -23,937,000 
        credit facility
             195,000,000 235,000,000 225,000,000 240,000,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2020-09-30 2020-06-30 2016-06-30 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 
                                             
          cash flows from operating activities
                                             
          net increase in net assets from operations
        25,619,000 27,001,000 17,561,000 16,268,000 22,684,000 14,035,000 13,469,000 23,484,000 22,624,000 23,812,000 18,176,000 2,949,000 9,458,000 2,510,000 19,669,000 12,560,000 -4,556,000 15,142,000 16,390,000 8,877,000 2,697,000                 
          adjustments to reconcile net increase in net assets from operations to net cash from operating activities:
                                             
          purchases and originations of investments
        -142,845,000 -94,866,000 -153,571,000 -272,844,000 -102,813,000 -91,236,000 -179,633,000 -111,842,000 -101,905,000 -104,106,000 -89,798,000 -126,579,000 -81,867,000 -134,956,000 -89,152,000 -220,537,000 -82,244,000 -107,285,000 -61,865,000 -37,757,000 -5,836,000                 
          proceeds from sales and repayments of debt investments in portfolio companies
        40,946,000 73,799,000 50,015,000 73,856,000 57,671,000 95,382,000 36,871,000 99,745,000 30,138,000 24,653,000 32,402,000 21,776,000 29,952,000 54,921,000 37,696,000 154,618,000 62,724,000 4,120,000 29,000,000 7,624,000                  
          proceeds from sales and return of capital of equity investments in portfolio companies
        4,615,000 26,303,000     729,000 3,402,000 915,000 6,000 1,743,000 6,510,000 3,739,000 1,632,000                    
          payment of accreted original issue discounts
        271,000 940,000 614,000 86,000 707,000 1,046,000 430,000 1,208,000 302,000 223,000 126,000 171,000 186,000 1,087,000 559,000 1,820,000 1,272,000 41,000 350,000 14,000 27,000                 
          payment of accrued payment-in-kind interest
        510,000 952,000        1,027,000   1,421,000 1,744,000                      
          depreciation and amortization
        1,752,000 1,684,000 1,672,000 1,595,000 1,319,000 1,279,000 1,176,000 1,187,000 1,162,000 779,000 748,000 674,000 677,000 651,000 602,000 541,000 585,000 502,000 499,000 453,000 23,000 27,000 20,000 16,000 34,000 14,000 5,000 2,000 18,000 -1,000 6,000 11,000 19,000 1,000 5,000 
          net pension benefit
        -16,000 -17,000 -17,000 -16,000 -16,000 -17,000 -17,000 -16,000 -17,000 -16,000 19,000 19,000 -31,000 -31,000 -33,000 -33,000 -33,000 -33,000 -26,000 -27,000  -12,000     -378,000 44,000   106,000 -9,000 -75,000 -225,000 2,000 -4,000 -73,000 
          realized loss on investments before income tax
             -696,000 19,803,000       -2,392,000                        
          realized loss on disposal of fixed assets
          11,000                                   
          net unrealized depreciation on investments before income tax
        379,000 24,180,000                                    
          accretion of discounts on investments
        -2,054,000 -2,711,000 -1,922,000 -1,640,000 -1,560,000 -1,531,000 -1,252,000 -1,291,000 -1,448,000 -1,172,000 -969,000 -1,062,000 -963,000 -848,000 -828,000 -758,000 -731,000 -688,000 -544,000 -519,000 -75,000                 
          payment-in-kind interest
        -3,110,000 -3,005,000 -4,126,000 -2,739,000 -2,474,000 -3,591,000 -3,070,000 -5,451,000 -714,000 -1,999,000 -2,074,000 -1,915,000 -1,166,000 -810,000  -866,000                      
          share-based compensation expense
        1,270,000 1,143,000 2,657,000 1,544,000 1,538,000 1,224,000 1,131,000 1,188,000 1,236,000 963,000 832,000 992,000 1,060,000 821,000  849,000 923,000 1,076,000    194,000 370,000 359,000              
          deferred income taxes
        1,942,000 -3,860,000 1,151,000 3,039,000 -1,354,000 1,946,000 1,072,000 567,000 -1,496,000 -262,000 689,000 2,630,000 1,849,000 1,201,000 1,253,000 -808,000 1,326,000 631,000 341,000 664,000                  
          changes in other assets and liabilities:
                                             
          increase in dividend and interest receivable
          -2,084,000 1,591,000 -5,975,000 -1,610,000 681,000 573,000 -4,436,000 -1,647,000  -2,083,000     -1,019,000 -622,000    -399,000 -201,000 -18,000  -7,039,000      -41,000 -435,000 3,813,000    
          decrease in escrow receivables
          -1,926,000   -2,000     773,000 -17,000   209,000   1,600,000                 
          decrease in tax receivable
          573,000 -184,000 -105,000 -43,000 12,000 -13,000 -234,000 266,000                            
          decrease in other receivables
        1,021,000 102,000                      70,000              
          decrease in other assets
        271,000 333,000   110,000 480,000        -301,000  -681,000 -571,000 100,000      69,000    58,000    32,000      
          increase in taxes payable
        -4,306,000 4,615,000 1,518,000 451,000 351,000 167,000 -520,000 339,000 -414,000 721,000 -254,000 151,000 101,000 -1,083,000 -286,000 1,411,000 -1,000 67,000 182,000 -46,000                  
          decrease in other liabilities
        1,639,000 -3,904,000   -2,041,000 -1,079,000    -1,630,000       -332,000 -2,277,000  -193,000 -1,257,000   -2,711,000    -834,000    -916,000     22,000 
          net cash from operating activities
        -71,224,000 30,493,000 -58,728,000 -165,824,000 -23,831,000 31,125,000 -102,093,000 18,014,000 -48,791,000 -55,626,000 -33,452,000 -98,090,000 -25,755,000 -69,803,000 -43,572,000 -35,314,000 -3,496,000 -100,293,000 -23,900,000 -22,899,000 2,958,000    11,949,000 93,266,000 33,171,000 1,528,000 6,434,000 173,000 8,558,000 -10,539,000 66,154,000 12,154,000 -7,155,000 27,872,000 -9,322,000 
          capital expenditures
           
          free cash flows
        -71,224,000 30,493,000 -58,728,000 -165,824,000 -23,831,000 31,125,000 -102,093,000 18,014,000 -48,791,000 -55,626,000 -33,452,000 -98,090,000 -25,755,000 -69,803,000 -43,572,000 -35,314,000 -3,496,000 -100,293,000 -23,900,000 -22,899,000 2,958,000    11,949,000 93,266,000 33,171,000 1,528,000 6,434,000 173,000 8,558,000 -10,539,000 66,154,000 12,154,000 -7,155,000 27,872,000 -9,322,000 
          cash flows from investing activities
                                             
          acquisition of fixed assets
        -81,000 -141,000 -396,000 -748,000 -497,000 -25,000 -10,000 -1,000 -2,000 -122,000 -3,000 -156,000                        
          net cash from investing activities
        -81,000 -141,000 -396,000 -748,000 -497,000 -25,000 -10,000 -1,000 -2,000 -122,000 -3,000 -156,000                        
          cash flows from financing activities
                                             
          proceeds from common stock offering
        39,699,000 41,197,000 67,542,000 52,915,000 20,244,000 37,792,000 48,513,000 65,550,000 22,502,000 44,888,000 28,787,000 101,608,000 26,510,000 46,051,000 24,795,000 15,760,000 29,890,000 27,696,000 516,000 5,624,000                  
          borrowings under credit facilities
        150,000,000 49,000,000 94,000,000                                   
          repayments of credit facilities
        -385,000,000 -80,000,000 -59,000,000                                   
          debt issuance costs paid
        -1,023,000 -417,000 -7,000 -599,000 -458,000 -496,000 -1,801,000 -982,000 -7,078,000 -322,000 -725,000 -523,000 -420,000 -55,000 -2,986,000 -404,000                    
          proceeds from issuance of september 2030 notes
                                             
          dividends to shareholders
        -36,039,000 -35,344,000 -33,707,000 -31,532,000 -30,520,000 -29,508,000 -28,382,000 -26,858,000 -24,769,000 -22,916,000 -20,925,000 -19,275,000 -14,287,000 -16,615,000 -11,777,000 -22,917,000 -12,402,000 -11,528,000 -9,498,000 -9,480,000                  
          common stock withheld for payroll taxes upon vesting of restricted stock
        -1,120,000 -846,000 -1,862,000 1,000 -138,000 -926,000 1,000 -381,000 -641,000 -862,000 -5,000 -541,000                    
          net cash from financing activities
        111,845,000 -26,684,000 67,982,000 155,348,000 38,266,000 -30,074,000 110,771,000 -17,428,000 50,533,000 55,321,000 33,473,000 89,541,000 37,223,000 77,298,000 38,330,000 27,142,000 13,793,000 85,223,000 24,925,000 24,141,000 -1,970,000 -2,000 -13,000,000 -1,155,000 -801,000 -1,580,000 1,642,000 -1,541,000 2,427,000   -1,065,000 -65,314,000 -2,651,000 -1,600,000 1,599,000 -1,501,000 
          net increase in cash, cash equivalents and restricted cash
        40,540,000 3,668,000                                    
          cash and cash equivalents at beginning of period
        44,871,000 32,273,000 21,585,000 11,431,000  31,613,000 13,744,000 95,969,000 225,797,000 -34,787,000 34,800,000 -13,000 88,163,000 13,585,000 -1,981,000 -11,604,000 81,767,000 64,895,000 -7,825,000 18,648,000 -10,823,000 45,498,000 
          cash, cash equivalents and restricted cash at end of period
        40,540,000 48,539,000                                    
          supplemental cash flow disclosures:
                                             
          cash paid for income taxes
        6,235,000 2,717,000 1,259,000 69,000 115,000 802,000 59,000 250,000 65,000 415,000 81,000 1,400,000 311,000   160,000 379,000                  
          cash paid for interest
        14,832,000 14,846,000 14,092,000 9,948,000 13,272,000 9,274,000 11,768,000 9,573,000 10,437,000 5,975,000 9,529,000 7,973,000 3,444,000 4,520,000 4,660,000 1,126,000 8,079,000 4,539,000 2,633,000 2,996,000                  
          realized gain on investments before income tax
         -21,826,000       -225,000 12,461,000  11,015,000      1,135,000 1,279,000 5,560,000 -199,000     -64,836,000 -62,106,000 15,713,000    -55,000      
          decrease in dividend and interest receivable
         160,000            154,000                        
          increase in escrow receivables
         -88,000        -105,000                           
          increase in tax receivable
                          3,000 -200,000                  
          proceeds from return of capital of investment in i-45 slf llc
                                             
          realized loss on extinguishment of debt
                                        
          net unrealized (appreciation) depreciation on investments before income tax
              -4,729,000 -2,518,000 5,682,000 -12,058,000        -7,486,000                    
          increase in other assets
          67,000    -564,000              -295,000    -218,000 -125,000       25,000    1,000 
          increase in other liabilities
          2,045,000    -997,000 3,314,000   2,193,000 -7,866,000 9,200,000 -1,530,000 1,415,000       -2,971,000   1,806,000 -290,000   -1,808,000 951,000    349,000 -130,000   
          equity offering costs paid
                                            
          proceeds from issuance of sba debentures
             22,440,000 4,878,000 4,878,000 15,610,000 23,416,000 39,026,000 10,732,000 11,220,000                      
          proceeds from issuance of 2029 convertible notes
                                            
          proceeds from issuance of august 2028 notes
              69,719,000                            
          redemption of january 2026 notes
                                            
          distributions in kind received
                                             
          realized loss investments before income tax
           12,807,000                                  
          net unrealized depreciation (appreciation) on investments before income tax
           -2,162,000 -1,795,000 15,811,000     4,098,000 1,953,000                          
          increase in other receivables
           -2,592,000 -421,000 -442,000  -529,000 83,000 -171,000    -2,090,000 -1,963,000 2,052,000 2,780,000 -4,936,000 -98,000 -151,000 -60,000                 
          net increase in cash and cash equivalents
           -11,224,000 13,938,000 1,026,000 8,668,000 585,000 1,742,000 -307,000 -101,000 -8,552,000 11,468,000 7,339,000 -7,237,000 -8,172,000 10,297,000 -15,070,000 1,025,000 1,242,000 988,000 -40,431,000   11,148,000 91,686,000   8,861,000   -11,604,000 840,000 9,503,000 -8,755,000 29,471,000 -10,823,000 
          cash and cash equivalents at end of period
           -11,224,000 13,938,000 33,299,000 8,668,000 585,000 1,742,000 21,278,000 -101,000 -8,552,000 11,468,000 18,770,000  -8,172,000 10,297,000 16,543,000 1,025,000 14,986,000 96,957,000 -40,431,000 -28,512,000 212,623,000 -23,639,000 126,486,000 34,800,000 88,150,000 22,446,000 -2,465,000 -1,981,000 70,163,000 65,735,000 1,679,000 9,893,000 18,648,000 34,675,000 
          borrowings under credit facility
            70,000,000 74,000,000 110,000,000 30,000,000 90,000,000 75,000,000 45,000,000 45,000,000 40,000,000 55,000,000 20,000,000 105,000,000 120,000,000 70,000,000 65,000,000 28,000,000                  
          repayments of credit facility
            -21,000,000 -110,000,000 -40,000,000 -85,000,000 -35,000,000 -115,000,000 -35,000,000 -60,000,000 -15,000,000 -45,000,000 -5,000,000 -130,000,000                      
          proceeds from issuance of october 2026 notes
                      48,996,000                      
          redemption of october 2024 notes
                                           
          payment for debt extinguishment costs
                                           
          decrease (increase) in other assets
                 260,000         95,000 263,000          -25,000        
          proceeds from issuance of october 2024 notes
                                             
          proceeds from issuance of january 2026 notes
                                             
          redemption of december 2022 notes
                                             
          decrease (increase) in escrow receivables
                          493,000                  
          decrease (increase) in other receivables
                                             
          net unrealized appreciation on investments before income tax
                     11,167,000  2,733,000                      
          realized (gain) loss on investments before income tax
                      -559,000 -3,806,000        -749,000         -66,888,000    5,911,000 
          taxes payable on deemed distribution of long-term capital gains
                                             
          net unrealized (appreciation) depreciation on investments
                                             
          payment-in-kind interest and dividends
                         -1,761,000 -2,149,000 -899,000                  
          stock option and restricted awards expense
                          853,000 612,000 239,000                 
          increase in payable for unsettled transaction
                                             
          repurchase of common stock
                                             
          cash and cash equivalents at beginning of year
                                             
          cash and cash equivalents at end of year
                                             
          decrease (increase) in dividend and interest receivable
                           462,000 368,000       565,000        22,000 -229,000 
          decrease (increase) in tax receivable
                       116,000 -135,000 140,000                    
          partial redemption of december 2022 notes
                                             
          capital southwest corporation and subsidiaries
                                             
          consolidated schedule of investments
                                             
          december 31, 2021
                                             
          portfolio company1,18
                                             
          non-control/non-affiliate investments5
                                             
          aac new holdco inc.
                                             
          acceleration partners, llc8,13
                                             
          ace gathering, inc.
                                             
          alliance sports group, l.p.
                                             
          allover media, llc
                                             
          american nuts operations llc13
                                             
          september 30, 2021
                                             
          portfolio company1,19
                                             
          adams publishing group, llc
                                             
          june 30, 2021
                                             
          portfolio company1
                                             
          realized losses on extinguishment of debt
                                             
          decrease in payable for unsettled transaction
                            -3,940,000                 
          september 30, 2020
                                             
          aac holdings, inc.
                                             
          ag kings holdings inc.
                                             
          net unrealized depreciation (appreciation) on investments
                           -8,129,000                  
          june 30, 2020
                                             
          net proceeds from disposition of and return of capital on investments
                                             
          principal repayments on debt investments
                            11,253,000                 
          net increase in unrealized appreciation of investments
                            -2,127,000  -1,634,000 -4,245,000   112,661,000 -36,917,000 -39,724,000 -7,693,000 -35,223,000 -10,392,000  -29,837,000 -92,874,000   
          deferred income tax expense
                            547,000                 
          increase in deferred income taxes
                               618,000  -159,000 -291,000 270,000  -990,000 -37,000 3,000 26,000 -150,000 -2,000 4,000 25,000 
          distributions from undistributed net investment income
                            -625,000  -1,542,000 -1,542,000   -1,541,000 -1,525,000   -1,524,000 -1,505,000 -1,501,000   -1,501,000 
          proceeds from exercise of employee stock options
                             387,000 741,000 -39,000   3,952,000   459,000 3,017,000     
          spin-off compensation plan distribution
                            -1,345,000                 
          supplemental disclosure of noncash financing activities:
                                             
          dividend declared, not yet paid
                            939,000                 
          non-control/non-affiliate investments4
                                             
          360 holdings iii corp.
                                             
          alamo group inc.
                            176,000                 
          argon medical devices
                                             
          cast and crew payroll, llc
                                             
          deepwater corrosion services, inc.
                            127,004,000                 
          digital river, inc.
                                             
          hygea holdings
                                             
          imagine! print solutions, inc.
                                             
          infogroup inc.
                                             
          lti holdings, inc.
                                             
          prepaid legal services, inc.
                                             
          research now group, inc.
                                             
          royal holdings, inc.
                                             
          taxact, inc.7
                                             
          titanliner, inc.
                                             
          trax data refinery, inc.
                                             
          vivid seats
                                             
          increase in net assets from operations
                               2,164,000 22,748,000 61,284,000 -50,311,000 19,721,000 52,442,000 15,144,000 35,179,000 9,245,000  40,934,000 76,526,000 -15,248,000 -10,455,000 
          adjustments to reconcile increase in net assets from operations to net cash from operating activities:
                                             
          net realized loss on investments
                                             
          net decrease in unrealized appreciation of investments
                                        78,521,000    4,558,000 
          increase in income tax receivable
                             -711,000 377,000 -589,000  193,000 405,000 -367,000          
          purchases of securities
                             -45,951,000 -19,367,000 -14,769,000 -6,972,000   -76,000 -11,928,000 301,000 7,862,000 -8,842,000 -6,251,000 -11,800,000 101,000 8,144,000 -9,822,000 
          distributions from undistributed net realized gain
                                             
          cash distribution to csw industrials
                                             
          decrease in net assets from operations
                                        -11,615,000     
          net proceeds from disposition of investments
                              8,500,000 7,249,000 88,499,000 66,750,000 47,151,000 3,127,000    55,000 67,505,000 19,037,000 -5,083,000 18,461,000 39,000 
          return of capital on investments
                              1,000 645,000    76,000          
          net realized (gain) losses on investments
                                             
          increase in receivables from brokerage firm
                                             
          decrease in deferred income taxes
                                             
          net cash (used in ) provided by operating activities
                              -15,512,000 -12,019,000              
          distribution to csw industrials
                                             
          cost of investments spun-off
                                             
          decrease in unrealized appreciation
                                             
          net pension assets
                                             
          decrease in deferred tax liabilities
                                             
          net pension (benefit) expense
                               -128,000 -410,000             
          net decrease in cash and cash equivalents
                               -13,174,000    -13,000          
          company
                                             
          atlantic capital bancshares, inc atlanta, georgia holding company of atlantic capital bank, a full service commercial bank.
                               300,000,000  299,998,100 1,900  1,900 1,900     
          ¥balco, inc. wichita, kansas specialty architectural products used in the construction and remodeling of commercial and institutional buildings.
                               445,000,000  444,904,300 95,700  95,700 95,700     
          ¥ capstar holdings corporation dallas, texas acquire, hold and manage real estate for potential development and sale.
                               500,000  400,000 100,000    100,000      
          deepwater corrosion services, inc. houston, texas full-service corrosion control company providing the oil and gas industry with expertise in cathodic protection and asset integrity management.
                               127,004,000  126,972,900 -200 31,300          
          imemories, inc. scottsdale, arizona enables online video and photo sharing and dvd creation for home movies recorded in analog and new digital format.
                               17,391,304,000    23,300          
          return of capital on investment
                                             
          realized gains on investments before income tax
                                             
          taxes incurred on deemed capital gain distribution
                                           
          net decrease (increase) in unrealized appreciation of investments
                                             
          increase in receivables from affiliates
                                -17,848,000 14,717,000   5,000         
          dividends paid from capital gains
                                             
          supplemental disclosure of cash flow information:
                                             
          income taxes paid
                                             
          a.
                                             
          net decrease (increase)in unrealized appreciation of investments
                                             
          stock option expense
                                 19,000 -40,000 116,000  -177,000 1,000 174,000 257,000 797,000 -6,000 14,000 245,000 
          *boxx technologies, inc. austin, texas workstations for computer graphic imaging and design.
                                 3,125,339,100 14,900  14,900 14,900     
          *†alamo group inc. seguin, texas tractor-mounted mowing and mobile excavation equipment for governmental, industrial and agricultural markets; street-sweeping equipment for municipalities.
                                  -4,600 22,000    22,000 22,000     
          *†encore wire corporation mckinney, texas electric wire and cable for residential, commercial and industrial construction use.
                                  -1,700 6,200     6,200     
          decrease in receivables from affiliates
                                   30,000         340,000 
          proceeds from repayment of loans
                                            111,000 
          net pension expense
                                    132,000         
          stock option and restricted awards (benefit)expense
                                             
          dividends paid from net realized capital gain
                                             
          *†alamo group inc. seguin, texas tractor-mounted mowing and mobile excavation equipment for governmental, industrial and agricultural markets; street-sweeping and snow removal equipment for municipalities.
                                            
          ¥ capstar holdings corporation dallas, texas acquires holds and manages real estate for potential development and sale.
                                            
          cinatra clean technologies, inc. houston, texas cleans above ground oil storage tanks with a patented, automated system.
                                       76,200 73,400     
          net proceeds (expenses) from disposition of investments
                                             
          decrease (increase) in receivables from affiliates
                                      -631,000 201,000      
          decrease in commitment payable
                                             
          dividends paid from net realized gain
                                        -66,826,000     
          cinatra clean technologies, inc. houston, texas
                                             
          cleans above ground oil storage tanks with a patented, automated system.
                                             
          adjustments to reconcile decrease in net assets from operations to net cash from operating activities:
                                             
          increase in commitment payable
                                        5,950,000     
          income taxes
                                             
          (increase) /decrease in receivables from affiliates and other receivables
                                        -701,000     
          (decrease)/increase in other liabilities
                                        -176,000     
          purchase of treasury stock
                                             
          taxes payable on behalf of shareholders on deemed distribution
                                            
          payment of federal income tax for deemed capital gains distribution
                                             
          b.
                                             
          total investments
                                             
          proceeds from repayment of loan securities or investments
                                             
          non-cash transaction:
                                             
          this transaction had the following non-cash effect on the company’s consolidated statements of assets and liabilities: