7Baggers

Sana Biotechnology, Inc
(NASDAQ:SANA) 

SANA stock logo

Sana Biotechnology, Inc., a biotechnology company, focuses on utilizing engineered cells as medicines. The company develops in vivo and ex vivo cell engineering platforms for various therapeutic areas with unmet treatment needs, including oncology, diabetes, central nervous system disorders, cardiov...

Founded: 2018
Sector: Healthcare
Industry: Biotechnology

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
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 2023-09-30 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 2021-03-31 2020-12-31 
                        
      operating expenses:
                        
      research and development
    30,106,000 29,761,000 37,189,000 47,036,000 53,206,000 60,874,000 56,448,000 63,000,000 65,613,000 73,044,000 67,166,000 63,921,000 76,735,000 72,540,000 72,689,000 108,505,000 53,245,000 44,996,000 168,930,000  
      research and development related success payments and contingent consideration
    3,124,000 10,262,000 1,957,000 -13,447,000 -5,497,000 -27,944,000 38,007,000 6,835,000 -82,615,000 26,679,000 120,000 -5,454,000 -6,062,000 -17,928,000 -55,438,000 -9,905,000 16,753,000 -76,025,000   
      general and administrative
    10,285,000 10,341,000 11,484,000 17,277,000 14,052,000 16,442,000 16,269,000 20,784,000 19,183,000 16,566,000 16,766,000 23,321,000 15,514,000 18,292,000 14,434,000 12,679,000 13,433,000 12,477,000 11,821,000  
      impairment of long-lived assets
     44,611,000                   
      total operating expenses
    43,515,000 94,975,000 50,630,000 50,866,000 61,761,000 49,372,000 110,724,000 90,619,000 2,181,000 116,289,000 84,052,000 81,788,000 86,187,000 72,904,000 31,685,000 111,279,000 83,431,000 -18,552,000 180,751,000  
      income from operations
    -43,515,000 -94,975,000 -50,630,000 -50,866,000 -61,761,000 -49,372,000 -110,724,000 -90,619,000 -2,181,000 -116,289,000 -84,052,000 -81,788,000 -86,187,000  -31,685,000 -111,279,000 -83,431,000  -180,751,000  
      yoy
    -29.54% 92.37% -54.27% -43.87% 2731.77% -57.54% 31.73% 10.80% -97.47%  165.27% -26.50% 3.30%  -82.47%      
      qoq
    -54.18% 87.59% -0.46% -17.64% 25.09% -55.41% 22.19% 4054.93% -98.12% 38.35% 2.77% -5.10%   -71.53% 33.38%     
      interest income
    1,003,000 577,000 992,000 1,656,000 2,579,000 3,202,000 3,034,000 2,726,000 2,862,000 2,374,000 1,976,000 1,613,000 1,173,000 637,000 339,000 267,000 158,000 130,000 121,000  
      other income
    360,000 598,000 249,000 141,000 -742,000  215,000 -224,000 303,000   -268,000 -106,000 -198,000 -102,000 281,000 10,000 1,000 13,000  
      net income
    -42,152,000 -93,800,000 -49,389,000 -49,069,000 -59,924,000 -50,291,000 -107,475,000 -88,117,000 984,000 -113,999,000 -82,123,000 -80,443,000 -85,120,000 -72,465,000 -31,448,000 -110,731,000 -83,263,000 18,683,000 -180,617,000  
      yoy
    -29.66% 86.51% -54.05% -44.31% -6189.84% -55.88% 30.87% 9.54% -101.16% 57.32% 161.14% -27.35% 2.23% -487.87% -82.59%      
      qoq
    -55.06% 89.92% 0.65% -18.11% 19.15% -53.21% 21.97% -9054.98% -100.86% 38.81% 2.09% -5.49% 17.46% 130.43% -71.60% 32.99% -545.66% -110.34%   
      net loss per common share – basic and diluted
    -160 -390 -210   -210 -490   -590 -430          
      weighted-average number of common shares – basic and diluted
    260,494,000 238,409,000 237,578,000 230,891,000  234,440,000 217,290,000 194,541,000  192,540,000 191,228,000          
      net income per common share – basic
       -237.5 -250   -252.5             
      weighted-average number of common shares – basic
        235,412,000    196,978,000            
      net income per common share – diluted
       -237.5 -250   -252.5             
      weighted-average number of common shares – diluted
        235,412,000    200,473,000            
      other expense
         -4,121,000    -84,000 -47,000          
      net loss per common share - basic and diluted
               -252.5 -450  -170 -610 -460    
      weighted-average number of common shares - basic and diluted
               188,344,000 189,303,000  185,955,000 166,433,000 181,827,000    
      operating expenses
                        
      gain from operations
                 -72,904,000    18,552,000   
      net income per common share - basic
                 -390       
      weighted-average number of common shares - basic
                 187,626,000    179,899   
      net income per common share - diluted
                 -390       
      weighted-average number of common shares - diluted
                 187,626,000    190,508   
      net income per share
                     0.1 -1.52  
      weighted-average shares outstanding, basic and diluted
                      119,131  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 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 2021-03-31 2020-12-31 
                            
        assets
                            
        current assets:
                            
        cash and cash equivalents
      83,800,000 71,870,000 103,357,000 71,271,000 96,131,000 127,566,000 126,996,000 134,958,000 177,054,000 133,517,000 168,448,000 173,787,000 160,456,000 176,765,000 163,343,000 194,659,000 188,517,000 253,029,000 433,670,000 675,140,000 750,687,000 124,806,000 
        marketable securities
      17,336,000 66,512,000 49,697,000 1,403,000 8,570,000 24,931,000 72,011,000 116,685,000 134,028,000 71,678,000 100,122,000 152,128,000 188,850,000 247,198,000 322,407,000 290,143,000 323,861,000 297,967,000 170,041,000 177,696,000 209,550,000 253,458,000 
        restricted cash
      4,195,000 4,195,000 4,195,000 4,195,000 4,195,000 3,832,000 3,832,000 3,832,000 3,832,000 3,832,000 3,832,000 6,100,000 6,100,000 6,100,000 6,100,000 10,508,000 8,819,000 8,819,000 8,819,000 2,143,000 2,143,000 2,143,000 
        prepaid expenses and other current assets
      6,359,000 6,099,000 4,510,000 5,633,000 3,835,000 4,479,000 7,310,000 7,978,000 6,349,000 4,488,000 7,120,000 6,606,000 14,502,000 14,374,000 8,400,000 9,612,000 10,842,000 7,105,000 9,134,000 7,504,000 7,237,000 6,203,000 
        total current assets
      111,690,000 148,676,000 161,759,000 82,502,000 112,731,000 160,808,000 210,149,000 263,453,000 321,263,000 213,515,000 279,522,000 338,621,000 369,908,000 444,437,000 500,250,000 494,414,000 523,220,000 558,101,000 612,845,000 860,340,000 967,474,000 384,467,000 
        property and equipment
      25,673,000 26,906,000 29,931,000 33,081,000 73,687,000 77,308,000 82,826,000 85,909,000 81,649,000 70,689,000 68,369,000 62,654,000 64,260,000 66,917,000 67,349,000 67,846,000 68,693,000 65,464,000 63,445,000 58,670,000 50,986,000 46,775,000 
        operating lease right-of-use assets
      35,845,000 38,313,000 40,704,000 43,021,000 54,837,000 57,961,000 61,040,000 63,154,000 71,565,000 74,903,000 77,235,000 94,715,000 98,116,000 92,486,000 95,733,000 98,910,000 97,145,000 96,320,000 84,828,000 60,330,000 61,770,000 63,168,000 
        intangible asset
      59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 59,195,000 
        goodwill
      140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 140,627,000 
        other non-current assets
      563,000 3,173,000 3,216,000 3,219,000 4,393,000 5,121,000 5,555,000 6,329,000 7,078,000 6,370,000 6,492,000 6,927,000 4,589,000 4,599,000 4,717,000 4,825,000 4,900,000 5,000,000 591,000 598,000 644,000 190,000 
        total assets
      373,593,000 416,890,000 435,432,000 361,645,000 445,470,000 501,020,000 559,392,000 618,667,000 681,377,000 565,299,000 631,440,000 707,147,000 746,928,000 822,720,000 898,102,000 971,089,000 1,047,613,000 1,129,407,000 1,232,751,000 1,259,837,000 1,304,466,000 730,296,000 
        liabilities and stockholders' equity
                            
        current liabilities:
                            
        accounts payable
      2,123,000 1,669,000 1,858,000 2,270,000 989,000 5,210,000 2,991,000 3,817,000 6,095,000 4,108,000 9,928,000 3,089,000 2,334,000 2,857,000 3,993,000 3,079,000 4,765,000 2,219,000 3,947,000 3,704,000 4,258,000 2,253,000 
        accrued compensation
      7,584,000 13,240,000 11,296,000 9,411,000 9,354,000 14,449,000 18,050,000 15,581,000 13,965,000 23,722,000 24,286,000 19,669,000 17,029,000 26,362,000 24,500,000 17,991,000 16,889,000 21,131,000 20,218,000 15,294,000 10,811,000 16,020,000 
        accrued expenses and other current liabilities
      8,124,000 8,679,000 7,991,000 7,931,000 9,810,000 13,240,000 15,362,000 21,293,000 19,674,000 23,462,000 18,940,000 18,040,000 13,298,000 14,547,000 14,970,000 13,985,000 11,321,000 10,344,000 12,884,000 12,830,000 11,171,000 9,466,000 
        operating lease liabilities
      14,878,000 14,938,000 14,368,000 13,832,000 13,003,000 12,534,000 10,601,000 9,998,000 13,167,000 13,195,000 13,490,000 12,890,000 12,892,000 12,393,000 11,921,000 10,667,000 9,635,000 9,159,000 6,502,000 6,004,000 3,910,000 3,712,000 
        contingent consideration
      53,556,000 40,200,000 115,141,000 117,132,000 110,832,000 108,968,000 111,856,000 111,621,000 114,990,000   58,417,000 57,224,000 55,345,000 59,429,000 51,386,000 50,900,000 51,382,000 43,459,000 140,457,000 133,294,000 121,901,000 
        total current liabilities
      86,265,000 78,726,000 35,513,000 33,444,000 33,156,000 45,433,000 47,004,000 50,689,000 52,901,000 64,487,000 66,644,000 112,105,000 102,777,000 111,504,000 114,813,000 97,108,000 93,510,000 99,235,000 92,010,000 42,832,000 35,150,000 31,451,000 
        operating lease liabilities, net of current portion
      60,450,000 63,924,000 67,868,000 71,660,000 78,311,000 81,663,000 85,483,000 88,559,000 92,922,000 90,901,000 83,374,000 100,245,000 101,607,000 95,860,000 99,859,000 102,960,000 102,518,000 101,784,000 92,403,000 66,149,000 66,349,000 68,197,000 
        contingent consideration, net of current portion
      80,907,000 83,518,000        109,606,000 103,156,000 103,317,000 98,615,000 95,034,000 81,701,000 97,999,000 102,315,000 102,361,000 88,522,000    
        success payment liabilities
      16,926,000 19,238,000 13,726,000 8,611,000 4,649,000 4,556,000 15,115,000 20,847,000 45,422,000 12,799,000 12,414,000       5,000,000 5,000,000 5,000,000 5,000,000 76,494,000 
        other non-current liabilities
      9,805,000 10,600,000 7,876,000 8,242,000 9,443,000 9,896,000 7,456,000 7,302,000           539,000 539,000 539,000 540,000 
        total liabilities
      254,353,000 256,006,000 240,124,000 239,089,000 236,391,000 250,516,000 266,914,000 279,018,000 306,235,000 277,793,000 265,588,000 352,118,000 318,666,000 323,405,000 332,083,000 331,584,000 345,958,000 400,905,000 402,666,000 353,940,000 422,483,000 298,583,000 
        commitments and contingencies
                            
        stockholders' equity:
                            
        preferred stock, 0.0001 par value...
                            
        common stock, 0.0001 par value...
      27,000 27,000 26,000 23,000 23,000 22,000 22,000 22,000 22,000 20,000 20,000 20,000 19,000 19,000 19,000 19,000 19,000 18,000 18,000 18,000 18,000 2,000 
        additional paid-in capital
      2,015,441,000 2,009,845,000 1,985,452,000 1,870,572,000 1,863,295,000 1,855,318,000 1,848,183,000 1,835,503,000 1,820,701,000 1,625,637,000 1,616,008,000 1,606,832,000 1,567,341,000 1,558,459,000 1,546,807,000 1,535,106,000 1,523,616,000 1,515,210,000 1,504,778,000 1,497,232,000 1,491,958,000 8,216,000 
        accumulated other comprehensive income
      -2,000 28,000 21,000   14,000 54,000           -1,366,000 -82,000 13,000 56,000 30,000 
        accumulated deficit
      -1,896,226,000 -1,849,016,000 -1,790,191,000 -1,748,039,000 -1,654,239,000 -1,604,850,000 -1,555,781,000 -1,495,857,000 -1,445,566,000 -1,338,091,000 -1,249,974,000 -1,250,958,000 -1,136,959,000 -1,054,836,000 -974,393,000 -889,273,000 -816,808,000 -785,360,000 -674,629,000 -591,366,000 -610,049,000 -429,432,000 
        total stockholders' equity
      119,240,000 160,884,000 195,308,000 122,556,000 209,079,000 250,504,000 292,478,000 339,649,000 375,142,000 287,506,000 365,852,000 355,029,000 428,262,000 499,315,000 566,019,000 639,505,000 701,655,000 728,502,000 830,085,000 905,897,000 881,983,000  
        total liabilities and stockholders' equity
      373,593,000 416,890,000 435,432,000 361,645,000 445,470,000 501,020,000 559,392,000 618,667,000 681,377,000 565,299,000 631,440,000 707,147,000 746,928,000 822,720,000 898,102,000 971,089,000 1,047,613,000      
        accumulated other comprehensive loss
             -19,000 -15,000 -60,000 -202,000 -865,000 -2,139,000 -4,327,000 -6,414,000 -6,347,000 -5,172,000      
        long-term marketable securities
                  5,825,000 10,051,000 25,823,000 94,764,000 145,014,000 195,881,000 262,401,000 77,934,000 21,627,000 33,731,000 
        long-term restricted cash
                 4,408,000 4,408,000 4,408,000 4,408,000        
        success payment liabilities, net of current portion
                 36,451,000 15,667,000 21,007,000 35,710,000 33,517,000 47,615,000 97,525,000 129,192,000 103,963,000 187,151,000  
        liabilities, convertible preferred stock, and stockholders' equity
                            
        convertible preferred stock, 0.0001 par value...
                           852,897,000 
        stockholders' equity
                            
        total liabilities, convertible preferred stock, and stockholders' equity
                       1,129,407,000 1,232,751,000 1,259,837,000 1,304,466,000  
        liabilities, convertible preferred stock, and stockholders’ deficit
                            
        stockholders’ deficit:
                            
        total stockholders’ deficit
                           -421,184,000 
        total liabilities, convertible preferred stock, and stockholders deficit
                           730,296,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 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 2021-03-31 
                             
          operating activities:
                             
          net loss
        -47,210,000 -58,825,000 -42,152,000 -93,800,000 -49,389,000  -59,924,000 -50,291,000 -107,475,000  984,000 -113,999,000 -82,123,000  -85,120,000 -72,465,000 -31,448,000 -110,731,000 -83,263,000 18,683,000 -180,617,000 
          adjustments to reconcile net loss to net cash from operating activities:
                             
          depreciation
        2,391,000 3,053,000 3,191,000 2,857,000 3,649,000  4,057,000    4,499,000 4,448,000 4,346,000 4,195,000 4,016,000 3,800,000 3,614,000 3,335,000 2,882,000 2,606,000 2,247,000 
          stock-based compensation expense
        5,662,000 6,337,000 5,476,000 6,629,000 7,022,000 6,436,000 10,770,000 11,380,000 9,092,000 7,931,000 9,003,000 9,848,000 8,751,000 10,591,000 10,080,000 9,911,000 7,755,000 7,313,000 5,950,000 4,941,000 4,158,000 
          change in the estimated fair value of contingent consideration
        10,745,000 8,577,000 -1,991,000 6,300,000 1,864,000 -2,888,000 235,000 -3,369,000 5,384,000 6,450,000 -58,578,000 5,895,000 5,460,000 9,249,000 -8,255,000 -3,830,000 -528,000 21,762,000 -8,476,000   
          change in the estimated fair value of success payment liabilities
        -2,312,000 5,512,000 5,115,000 3,962,000 93,000 -10,559,000 -5,732,000 -24,575,000 32,623,000 385,000 -24,037,000 20,784,000 -5,340,000 -14,703,000 2,193,000 -14,098,000 -54,910,000 -31,667,000 25,229,000   
          non-cash expense for operating lease right-of-use assets
        2,468,000 2,391,000 2,317,000 2,230,000 2,233,000 2,180,000 2,114,000 2,049,000 3,338,000 3,234,000 3,276,000 3,401,000 3,354,000 3,247,000 3,177,000 3,076,000 2,606,000 2,247,000 1,759,000 1,440,000 1,398,000 
          other non-cash items
        -2,615,000 -3,100,000 -2,082,000 -2,523,000 -3,271,000 -3,225,000 -2,995,000 21,000 -4,879,000 -3,350,000 -3,874,000 -3,175,000 -2,913,000 -2,615,000 -2,961,000 -2,289,000 -1,437,000 -821,000 -233,000 -1,009,000 -1,013,000 
          changes in operating assets and liabilities:
                             
          prepaid expenses and other assets
        1,628,000 -696,000 1,121,000 -628,000 1,368,000 3,268,000 678,000 -5,079,000 -2,380,000 2,583,000 132,000 5,534,000 -106,000 -6,557,000 1,226,000 2,534,000 -3,191,000 2,124,000 -1,266,000 -105,000 -1,614,000 
          operating lease right-of-use assets and liabilities
        -1,496,000 -1,458,000 -1,458,000 -972,000 891,000 1,750,000 165,000 1,622,000 5,804,000 8,830,000 685,000 1,452,000 -8,000 -22,000 1,473,000 -261,000 372,000 60,000 1,642,000   
          accounts payable
        454,000 -189,000 -357,000 1,225,000 -4,224,000 2,281,000 -507,000 667,000 -1,064,000 -1,336,000 2,276,000 441,000 -354,000 -1,086,000 1,481,000 -1,254,000 1,917,000 -1,663,000 1,770,000 -1,972,000 1,599,000 
          accrued expenses and other liabilities
        -7,094,000 5,757,000 1,391,000 -2,992,000 -8,893,000 -3,028,000 -680,000 5,139,000 -9,821,000 167,000 2,084,000 6,570,000 -10,339,000 2,077,000 7,894,000 3,398,000 -2,459,000 -2,058,000 3,520,000 7,499,000 -3,121,000 
          net cash from operating activities
        -37,379,000 -32,641,000 -29,429,000 -33,101,000 -48,657,000 -47,161,000 -51,819,000 -58,541,000 -65,632,000 -51,959,000 -63,550,000 -58,801,000 -79,272,000 -76,067,000 -64,796,000 -71,478,000 -77,709,000 -110,099,000 -50,486,000 -40,556,000 -49,913,000 
          capital expenditures
        -288,000 -873,000 -41,000 112,000 -136,000 -436,000 -7,211,000 -18,055,000 -7,470,000 -14,508,000 5,747,000 -592,000 -1,208,000 -5,777,000 -5,287,000 -4,470,000 -4,108,000 -5,418,000 -8,247,000 -9,899,000 -3,283,000 
          free cash flows
        -37,667,000 -33,514,000 -29,470,000 -32,989,000 -48,793,000 -47,597,000 -59,030,000 -76,596,000 -73,102,000 -66,467,000 -57,803,000 -59,393,000 -80,480,000 -81,844,000 -70,083,000 -75,948,000 -81,817,000 -115,517,000 -58,733,000 -50,455,000 -53,196,000 
          investing activities:
                             
          purchases of marketable securities
        -5,588,000 -36,084,000 -49,527,000 -1,682,000 -13,076,000 -35,970,000 -62,625,000 -114,393,000 -26,127,000 -60,350,000 -50,836,000 -20,431,000 -15,105,000 -17,622,000 -20,286,000 -25,675,000 -76,950,000 -248,886,000 -120,740,000 -44,811,000 
          proceeds from maturities of marketable securities
        55,065,000 19,800,000 1,407,000 7,186,000 18,168,000 60,600,000 81,838,000 81,499,000 53,010,000 55,483,000 113,931,000 95,040,000 85,334,000 108,135,000 53,831,000 102,407,000 45,753,000     
          purchases of property and equipment
        -288,000 -873,000 -41,000 112,000 -136,000 -436,000 -4,093,000 -13,056,000 -15,845,000 -14,046,000 -2,233,000 -1,577,000 -2,176,000 -4,602,000 -4,350,000 -4,391,000 -7,533,000 -5,202,000 -8,064,000 -10,156,000 -6,440,000 
          proceeds from disposal of assets
        248,000 661,000 136,000 382,000 253,000                 
          net cash from investing activities
        49,437,000 -16,496,000 -48,025,000 7,680,000 16,603,000 47,088,000 41,775,000 5,818,000 -77,228,000 15,310,000 51,348,000 42,627,000 62,727,000 88,428,000 31,859,000 77,730,000 12,545,000 -73,661,000 -185,904,000 -35,324,000 49,091,000 
          financing activities:
                             
          proceeds from employee stock purchase plan and exercise of stock options
        59,000 1,059,000 157,000 333,000 1,127,000 699,000 1,939,000 3,438,000 4,929,000     1,184,000 897,000 1,579,000 652,000     
          fees related to common stock financings
        -96,000                     
          principal payments, net for tenant improvement loan
        -91,000                     
          net cash from financing activities
        -128,000 17,650,000 109,540,000 561,000 982,000 643,000 2,082,000 10,627,000 186,397,000 1,718,000 187,000 29,505,000 236,000 1,061,000 1,621,000 1,579,000 652,000 3,119,000 1,596,000 333,000 626,703,000 
          net increase in cash, cash equivalents, and restricted cash
        11,930,000   -24,860,000 -31,072,000   -42,096,000 43,537,000     13,422,000 -31,316,000 7,831,000 -64,512,000 -180,641,000 -234,794,000 -75,547,000 625,881,000 
          cash, cash equivalents, and restricted cash at beginning of period
        76,065,000 131,398,000 137,349,000 187,273,000 261,848,000 126,949,000 
          cash, cash equivalents, and restricted cash at end of period
        87,995,000 -31,487,000 32,086,000 -24,860,000 100,326,000 570,000 -7,962,000 -42,096,000 180,886,000 -34,931,000 -12,015,000 13,331,000 170,964,000 13,422,000 -31,316,000 7,831,000 197,336,000 -180,641,000 -234,794,000 -75,547,000 752,830,000 
          supplemental cash flow information:
                             
          cash received for tenant improvement allowances
         891,000 165,000 1,223,000 6,121,000             
          impairment of long-lived assets
                           
          proceeds related to common stock financings
         16,680,000 109,470,000                   
          proceeds (principal payments), net for tenant improvement loan
         -89,000 -87,000                   
          net decrease in cash, cash equivalents, and restricted cash
         -31,487,000    570,000     -12,015,000 13,331,000 -16,309,000         
          reconciliation of cash, cash equivalents and restricted cash:
                             
          cash and cash equivalents
                             
          restricted cash
                             
          total cash, cash equivalents, and restricted cash
                             
          operating lease right-of-use assets obtained in exchange for lease obligations
                 8,984,000 17,642,000 3,431,000     
          purchases of property and equipment included in accounts payable and accrued liabilities
              -3,118,000 -4,999,000 8,375,000 -462,000 7,980,000 985,000 968,000 -1,175,000 -937,000 -79,000 3,425,000 -216,000 -183,000 257,000 3,157,000 
          derecognition of operating lease right-of-use assets for lease termination and modification
                             
          derecognition of operating lease right-of-use assets for lease modification
                            
          proceeds (fees) related to common stock financings
            -60,000                 
          principal payments for tenant improvement loan
            -85,000                 
          net income
                             
          adjustments to reconcile net income to net cash from operating activities:
                             
          depreciation and impairment of long-lived assets
                3,746,000             
          proceeds from issuance of common stock from equity financings
             -29,000 -439,000 181,468,000             
          proceeds from tenant improvement loan
             -56,000 172,000               
          long-term restricted cash
                             
          derecognition of operating lease right-of-use asset for lease termination
                            
          derecognition of operating lease right-of-use asset for lease modification
             -899,000               
          other investing activities
                             
          proceeds from initial public offering, net of issuance costs
                             
          proceeds from issuance of common stock
                 1,707,000 192,000 2,491,000 236,000         
          proceeds from issuance of common stock under at the market offering
                 11,000 -5,000           
          remeasurement of operating lease right-of-use asset for lease modification
                           
          cash received for amounts related to tenant improvement allowances
                  1,100,000   1,473,000 541,000     
          proceeds from issuance of convertible preferred stock, net of issuance costs
                             
          proceeds from at the market offering of common stock, net of issuance costs
                     -123,000        
          reconcilition of cash, cash equivalents and restricted cash:
                             
          deferred income tax
                             
          non-cash expense in connection with license agreement and asset acquisition
                             
          proceeds from sales and maturities of marketable securities
                         13,065,000 71,046,000 95,572,000 100,342,000 
          acquisitions, net of cash acquired
                             
          issuance of convertible preferred stock for acquisition
                             
          proceeds from initial public offering of common stock, net of offering costs
                          626,405,000 
          proceeds from exercise of stock options
                          1,596,000 333,000 298,000 
          supplemental cash flow disclosures:
                             
          right-of-use assets obtained in exchange for operating lease liabilities
                             
          cash received from lessor for tenant improvement allowance
                          1,774,000   
          tenant improvement allowance included in operating lease liabilities
                          -497,000 -3,580,000 8,515,000 
          change in fair value of contingent consideration
                            11,393,000 
          change in fair value of success payment liabilities
                            115,657,000 
          non-cash expense in connection with license agreement
                             
          non-cash expense for equity issuance in connection with license agreements
                             
          non-cash expense in connection with asset acquisition
                             
          issuance of promissory note
                             
          payment of contingent consideration
                             
          tenant improvement allowance included in contra-lease liability