Investor EcoR1 Capital, LLC
13D/G Filings

This page shows a list of all the recent 13D/G filings made by EcoR1 Capital, LLC . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-19 13G/A ADAP / Adaptimmune Therapeutics plc - Depositary Receipt (Common Stock) 164,424,420 66,000,000
2025-08-14 13G/A KURA / Kura Oncology, Inc. 7,598,797 4,200,000
2025-08-05 13G ORIC / ORIC Pharmaceuticals, Inc. 3,418,068 6,728,116
2025-07-28 13D/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) 7,803,202 8,714,522
2025-07-24 13G HLVX / HilleVax, Inc. 2,892,000
2025-06-27 13D ZYME / Zymeworks Inc. 17,699,774 22,970,388
2025-05-29 13D/A PRTA / Prothena Corporation plc 5,304,596 0
2025-05-19 13D/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) 7,094,049 7,803,202
2025-05-16 13D ITOS / iTeos Therapeutics, Inc. 5,730,000 10,688,978
2025-05-15 13G/A THRD / Third Harmonic Bio, Inc. 3,182,444 0
2025-05-15 13G/A TECX / Tectonic Therapeutic, Inc. 849,143 935,121
2025-05-15 13G/A TCRX / TScan Therapeutics, Inc. 5,000,000 662,833
2025-05-15 13G/A MRSN / Mersana Therapeutics, Inc. 11,578,447 0
2025-05-15 13G/A KLRS / Kalaris Therapeutics, Inc. 201,718
2025-05-15 13G/A IMNM / Immunome, Inc. 3,879,415 4,079,415
2025-05-15 13G/A ARVN / Arvinas, Inc. 6,800,493 0
2025-05-15 13G/A ALGS / Aligos Therapeutics, Inc. 356,117 210,634
2025-05-13 13G/A ITOS / iTeos Therapeutics, Inc. 2,656,640 5,730,000
2025-05-08 13G ITOS / iTeos Therapeutics, Inc. 1,608,616 2,656,640
2025-05-06 13D/A PRTA / Prothena Corporation plc 11,584,280 5,304,596
2025-04-08 13D/A ZYME / Zymeworks Inc. 16,858,418 17,699,774
2025-03-17 13D/A ZYME / Zymeworks Inc. 15,720,161 16,858,418
2025-02-18 13D/A ZYME / Zymeworks Inc. 15,720,161
2025-02-14 13G/A ALVR / AlloVir, Inc. 10,655,366 408,688
2025-02-14 13G/A ETON / Eton Pharmaceuticals, Inc. 1,397,669 1,981,003
2025-02-14 13G/A AVIR / Atea Pharmaceuticals, Inc. 5,441,896 3,341,653
2025-02-14 13G/A TNGX / Tango Therapeutics, Inc. 13,330,736 10,630,736
2025-02-14 13G/A HOOK / HOOKIPA Pharma Inc. 571,727 388,861
2025-02-14 13G/A WHWK / Whitehawk Therapeutics, Inc. 1,845,253 345,253
2025-01-13 13D/A ZYME / Zymeworks Inc. 15,411,078
2025-01-03 13D/A PRTA / Prothena Corporation plc 11,584,280 11,584,280
2024-12-23 13G/A MRSN / Mersana Therapeutics, Inc. 19,364,688 11,578,447
2024-12-23 13D/A ZYME / Zymeworks Inc. 14,132,291 14,692,281
2024-12-17 13G QURE / uniQure N.V. 3,632,087
2024-12-09 13G ETON / Eton Pharmaceuticals, Inc. 1,397,669
2024-11-14 13G/A AVIR / Atea Pharmaceuticals, Inc. 6,995,861 5,441,896
2024-11-14 13G/A EWTX / Edgewise Therapeutics, Inc. 3,493,194 1,250,385
2024-11-14 13G/A ALGS / Aligos Therapeutics, Inc. 7,264,147 356,117
2024-11-14 13G/A XNCR / Xencor, Inc. 5,282,516 6,719,304
2024-11-14 13G/A VYGR / Voyager Therapeutics, Inc. 3,851,507 5,617,719
2024-11-14 13G/A ATRA / Atara Biotherapeutics, Inc. 10,067,043 493,463
2024-11-14 13G/A HOOK / HOOKIPA Pharma Inc. 5,717,324 571,727
2024-11-14 13G/A ITOS / iTeos Therapeutics, Inc. 1,944,672 1,608,616
2024-11-14 13G/A OVID / Ovid Therapeutics Inc. 6,117,400 0
2024-11-14 13G/A ORIC / ORIC Pharmaceuticals, Inc. 6,275,210 3,418,068
2024-11-14 13G/A CRNX / Crinetics Pharmaceuticals, Inc. 4,155,375 4,288,120
2024-11-14 13G/A CNTA / Centessa Pharmaceuticals plc - Depositary Receipt (Common Stock) 5,618,779 3,223,851
2024-10-08 13D/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) 6,505,890 7,094,049
2024-09-03 13G WHWK / Whitehawk Therapeutics, Inc. 1,845,253
2024-08-23 13D GLPG / Galapagos NV - Depositary Receipt (Common Stock) 6,505,890 6,505,890
2024-08-16 13D/A ANAB / AnaptysBio, Inc. 7,520,424 7,794,996
2024-07-01 13G TECX / Tectonic Therapeutic, Inc. 849,143
2024-05-31 13G HOOK / HOOKIPA Pharma Inc. 4,595,024 5,717,324
2024-05-03 13G MORF / Morphic Holding, Inc. 211,262 3,014,752
2024-04-08 13G/A LENZ / LENZ Therapeutics, Inc. 1,219,774
2024-03-26 13G/A ADAP / Adaptimmune Therapeutics plc - Depositary Receipt (Common Stock) 113,424,420 164,424,420
2024-03-11 13G CRNX / Crinetics Pharmaceuticals, Inc. 4,155,375
2024-02-22 13D ZYME / Zymeworks Inc. 14,132,291 14,132,291
2024-02-16 13G ITOS / iTeos Therapeutics, Inc. 1,944,672
2024-02-14 13G/A MORF / Morphic Holding, Inc. 3,951,566 211,262
2024-02-14 13G/A AVIR / Atea Pharmaceuticals, Inc. 6,184,861 6,995,861
2024-02-14 13G/A AVIR / Atea Pharmaceuticals, Inc. 6,184,861 6,995,861
2024-02-14 13G/A AVIR / Atea Pharmaceuticals, Inc. 6,184,861 6,995,861
2024-02-14 13G/A MORF / Morphic Holding, Inc. 3,951,566 211,262
2024-02-14 13G/A ZYME / Zymeworks Inc. 13,437,473 14,132,291
2024-02-14 13G/A XNCR / Xencor, Inc. 5,282,516 5,282,516
2024-02-14 13G/A TPST / Tempest Therapeutics, Inc. 1,052,810 0
2024-02-14 13G/A THRD / Third Harmonic Bio, Inc. 2,982,444 3,182,444
2024-02-14 13G/A SWTX / SpringWorks Therapeutics, Inc. 3,460,208 0
2024-02-14 13G/A RVMD / Revolution Medicines, Inc. 7,198,700 132,579
2024-02-14 13G/A ORIC / ORIC Pharmaceuticals, Inc. 3,418,068 6,275,210
2024-02-14 13G/A NGM / NGM Biopharmaceuticals, Inc. 6,435,518 2,385,873
2024-02-14 13G NGNE / Neurogene Inc. 1,282,168
2024-02-14 13G/A KURA / Kura Oncology, Inc. 6,638,371 7,598,797
2024-02-14 13G/A JANX / Janux Therapeutics, Inc. 3,255,270 0
2024-02-14 13G/A HOOK / HOOKIPA Pharma Inc. 4,973,489 4,595,024
2024-02-14 13G/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) 6,505,890 6,505,890
2024-02-14 13G/A CNTA / Centessa Pharmaceuticals plc - Depositary Receipt (Common Stock) 5,232,279 5,618,779
2024-02-14 13G/A ARVN / Arvinas, Inc. 3,123,300 6,800,493
2024-02-14 13G/A APLS / Apellis Pharmaceuticals, Inc. 6,307,547 11,173,068
2024-02-14 13G/A ALGS / Aligos Therapeutics, Inc. 3,948,360 7,264,147
2024-02-14 13G/A SYRE / Spyre Therapeutics, Inc. 887,076
2024-02-14 13G/A ACET / Adicet Bio, Inc. 3,560,700 0
2024-02-14 13G/A ABEO / Abeona Therapeutics Inc. 1,785,663 1,086,956
2024-02-01 13G ALVR / AlloVir, Inc. 10,655,366
2024-01-30 13G ADAP / Adaptimmune Therapeutics plc - Depositary Receipt (Common Stock) 113,424,420
2023-12-27 13G/A MRTX / Mirati Therapeutics, Inc. 5,748,399 7,396,979
2023-11-21 13G ATRA / Atara Biotherapeutics, Inc. 10,067,043
2023-10-16 13G/A TNGX / Tango Therapeutics, Inc. 7,827,636 13,330,736
2023-10-12 13G IMNM / Immunome, Inc. 3,879,415
2023-10-02 13G MRTX / Mirati Therapeutics, Inc. 5,748,399
2023-09-21 13G TNGX / Tango Therapeutics, Inc. 7,827,636
2023-09-13 13G THRD / Third Harmonic Bio, Inc. 2,982,444
2023-07-27 13G MRSN / Mersana Therapeutics, Inc. 19,364,688
2023-07-18 13G APLS / Apellis Pharmaceuticals, Inc. 6,307,547
2023-06-21 13G/A ZYME / Zymeworks Inc. 7,568,573 13,437,473
2023-06-16 13G/A RVMD / Revolution Medicines, Inc. 4,478,050 7,198,700
2023-06-07 13G GLPG / Galapagos NV - Depositary Receipt (Common Stock) 4,442,352 6,505,890
2023-06-05 13G TCRX / TScan Therapeutics, Inc. 5,000,000
2023-02-14 13G/A GLPG / Galapagos NV - Depositary Receipt (Common Stock) 3,407,246 4,442,352
2023-02-14 13G/A RNA / Avidity Biosciences, Inc. 2,759,505 0
2023-02-14 13G/A TSVT / 2seventy bio, Inc. 1,143,494
2023-02-14 13G/A HOOK / HOOKIPA Pharma Inc. 5,090,856 4,973,489
2023-02-14 13G TPST / Tempest Therapeutics, Inc. 0 1,052,810
2023-02-13 13G/A SURF / Surface Oncology Inc 4,653,000 3,924,713
2023-02-13 13G/A ARVN / Arvinas, Inc. 3,123,300 3,123,300
2023-02-13 13G/A XNCR / Xencor, Inc. 4,906,106 5,282,516
2023-02-13 13G/A ALGS / Aligos Therapeutics, Inc. 3,213,300 3,948,360
2023-02-10 13G/A OVID / Ovid Therapeutics Inc. 6,082,200 6,117,400
2023-02-10 13G/A AKUS / Akouos Inc 1,975,984 0
2023-02-10 13G/A ORIC / ORIC Pharmaceuticals, Inc. 3,468,944 3,418,068
2023-02-10 13G/A GRTSQ / Gritstone bio, Inc. 6,319,232 0
2023-02-10 13G/A KURA / Kura Oncology, Inc. 4,543,447 6,638,371
2023-02-10 13G/A AVIR / Atea Pharmaceuticals, Inc. 5,376,134 6,184,861
2023-02-10 13G/A ALEC / Alector, Inc. 4,994,970 4,056,548
2023-02-10 13G/A RCUS / Arcus Biosciences, Inc. 5,523,358 0
2023-02-10 13G/A RETA / Reata Pharmaceuticals Inc - Class A 1,975,611 0
2023-02-10 13G/A SLDB / Solid Biosciences Inc. 9,202,702 0
2023-01-23 13G RVMD / Revolution Medicines, Inc. 4,278,069 4,478,050
2023-01-23 13G JANX / Janux Therapeutics, Inc. 3,255,270 3,255,270
2023-01-13 13G/A VYGR / Voyager Therapeutics, Inc. 4,276,507 3,851,507
2023-01-09 13G/A GRPH / Graphite Bio, Inc. 5,712,096 8,538,446
2022-12-23 13G ACET / Adicet Bio, Inc. 3,560,700 3,560,700
2022-11-23 13G CNTA / Centessa Pharmaceuticals plc - Depositary Receipt (Common Stock) 5,232,279
2022-11-18 13G GRPH / Graphite Bio, Inc. 5,712,096
2022-11-14 13G ABEO / Abeona Therapeutics Inc. 1,785,663
2022-11-01 13G/A ZYME / Zymeworks Inc. 5,968,573 7,568,573
2022-10-28 13G NGM / NGM Biopharmaceuticals, Inc. 6,435,518
2022-10-28 13G ZYME / Zymeworks Inc. 5,968,573
2022-09-26 13G EWTX / Edgewise Therapeutics, Inc. 3,493,194
2022-09-16 13G SWTX / SpringWorks Therapeutics, Inc. 3,460,208
2022-06-27 13G RVMD / Revolution Medicines, Inc. 4,278,069
2022-05-16 13G ARVN / Arvinas, Inc. 3,123,300
2022-04-26 13G/A VYGR / Voyager Therapeutics, Inc. 3,557,507 4,276,507
2022-04-11 13G RETA / Reata Pharmaceuticals Inc - Class A 1,975,611
2022-04-08 13G HOOK / HOOKIPA Pharma Inc. 5,090,856 5,090,856
2022-03-14 13G SURF / Surface Oncology Inc 48,558 4,653,000
2022-02-14 13G ALGS / Aligos Therapeutics, Inc. 3,213,300
2022-02-14 13G/A RCUS / Arcus Biosciences, Inc. 4,572,047 5,523,358
2022-02-14 13G/A VYGR / Voyager Therapeutics, Inc. 3,557,507 3,557,507
2022-02-14 13G/A TSVT / 2seventy bio, Inc. 1,917,063
2022-02-14 13G/A ALEC / Alector, Inc. 4,742,634 4,994,970
2022-02-14 13G/A STTK / Shattuck Labs, Inc. 3,295,088 0
2022-02-14 13G/A OVID / Ovid Therapeutics Inc. 6,082,200
2022-02-14 13G/A SLDB / Solid Biosciences Inc. 7,977,702 9,202,702
2022-02-14 13G/A RNA / Avidity Biosciences, Inc. 2,103,950 2,759,505
2022-02-14 13G/A ORIC / ORIC Pharmaceuticals, Inc. 3,092,218 3,468,944
2022-02-14 13G/A NLTX / Neoleukin Therapeutics, Inc. 3,122,704 860,619
2022-02-14 13G/A MORF / Morphic Holding, Inc. 2,839,884 3,951,566
2022-02-14 13G/A BCEL / Atreca, Inc. 2,426,685 0
2022-02-14 13G/A BCEL / Atreca, Inc. 2,426,685 0
2022-02-14 13G/A GERN / Geron Corporation 28,555,310 9,615,385
2022-02-14 13G/A RGLS / Regulus Therapeutics Inc. 3,650,080 2,538,970
2022-02-14 13G/A SVRA / Savara Inc. 3,040,540 3,040,540
2022-02-14 13G/A SBTX / Silverback Therapeutics Inc 2,533,635 1,060,010
2022-02-14 13G/A GRTS / Gritstone bio, Inc. 4,934,932 6,319,232
2022-02-14 13G/A ACIU / AC Immune SA 4,702,160 749,585
2022-02-14 13G/A INFI / Infinity Pharmaceuticals Inc. 4,368,500 0
2022-02-14 13G/A XNCR / Xencor, Inc. 4,547,072 4,906,106
2022-02-03 13G GLPG / Galapagos NV - Depositary Receipt (Common Stock) 3,407,246
2022-01-31 13G KURA / Kura Oncology, Inc. 1,773,037 4,543,447
2022-01-14 13D/A PRTA / Prothena Corporation plc 9,426,640 11,584,280
2021-12-10 13G/A ODT / Odonate Therapeutics Inc 5,701,669 0
2021-12-10 13G AVIR / Atea Pharmaceuticals, Inc. 5,376,134
2021-11-18 13G/A ODT / Odonate Therapeutics Inc 3,363,700 5,701,669
2021-11-16 13G TSVT / 2seventy bio, Inc. 1,890,663
2021-10-22 13G VYGR / Voyager Therapeutics, Inc. 3,557,507
2021-10-05 13G/A CRVS / Corvus Pharmaceuticals, Inc. 5,081,077 81,077
2021-09-23 13G/A CRVS / Corvus Pharmaceuticals, Inc. 3,579,377 5,081,077
2021-07-19 13G ODT / Odonate Therapeutics Inc 3,363,700
2021-07-19 13G RCUS / Arcus Biosciences, Inc. 4,572,047
2021-07-12 13G ALEC / Alector, Inc. 4,742,634
2021-05-17 13G STTK / Shattuck Labs, Inc. 3,295,088
2021-05-11 13D/A ANAB / AnaptysBio, Inc. 7,151,624 7,520,424
2021-05-11 13G CRVS / Corvus Pharmaceuticals, Inc. 3,579,377
2021-04-13 13D/A ANAB / AnaptysBio, Inc. 7,151,624 7,151,624
2021-04-13 13D/A ANAB / AnaptysBio, Inc. 7,151,624 7,151,624
2021-03-10 13D ANAB / AnaptysBio, Inc. 3,813,324 7,151,624
2021-02-16 13G/A XFOR / X4 Pharmaceuticals, Inc. 600,000 600,000
2021-02-16 13G/A SLDB / Solid Biosciences Inc. 5,275,000 7,977,702
2021-02-16 13G/A SURF / Surface Oncology Inc 5,033,861 48,558
2021-02-16 13G RNA / Avidity Biosciences, Inc. 2,103,950
2021-02-16 13G/A ORIC / ORIC Pharmaceuticals, Inc. 2,642,218 3,092,218
2021-02-16 13G/A NLTX / Neoleukin Therapeutics, Inc. 3,915,880 3,122,704
2021-02-16 13G/A MORF / Morphic Holding, Inc. 2,154,845 2,839,884
2021-02-16 13G/A KURA / Kura Oncology, Inc. 4,241,953 1,773,037
2021-02-16 13G/A GERN / Geron Corporation 28,846,154 28,555,310
2021-02-16 13G/A BCEL / Atreca, Inc. 1,481,411 2,426,685
2021-02-16 13G AKUS / Akouos Inc 1,975,984
2021-02-16 13G/A SVRA / Savara Inc. 3,040,540 3,040,540
2021-02-16 13G/A XFOR / X4 Pharmaceuticals, Inc. 1,015,400 600,000
2021-02-12 13G/A SVRA / Savara Inc. 4,473,204 3,040,540
2021-02-12 13G/A US16706W1027 / Chiasma Inc 3,043,827 0
2021-02-12 13G/A DRNA / Dicerna Pharmaceuticals Inc 3,627,597 0
2021-02-12 13G/A STRO / Sutro Biopharma, Inc. 2,328,492 93,416
2021-02-12 13G/A SELB / Selecta Biosciences Inc 6,896,551 2,298,850
2021-02-12 13G/A RGLS / Regulus Therapeutics Inc. 2,322,644 3,650,080
2021-02-12 13G/A US74140Y1010 / Prevail Therapeutics Inc. 2,248,306 0
2021-02-12 13G/A PBYI / Puma Biotechnology, Inc. 2,536,156 0
2021-02-12 13G/A MRUS / Merus N.V. 1,906,861 0
2021-02-12 13G/A GLYC / GlycoMimetics, Inc. 2,909,800 0
2021-02-12 13G/A ACRS / Aclaris Therapeutics, Inc. 2,087,312 1,509,812
2021-01-26 13G INFI / Infinity Pharmaceuticals Inc. 4,368,500
2021-01-22 13G ACIU / AC Immune SA 4,702,160
2021-01-14 13G/A ANAB / AnaptysBio, Inc. 1,966,100 3,813,324
2021-01-04 13G SBTX / Silverback Therapeutics Inc 2,533,635
2021-01-04 13G GRTS / Gritstone bio, Inc. 4,934,932
2020-11-02 13G SLDB / Solid Biosciences Inc. 0 5,275,000
2020-08-28 13G STRO / Sutro Biopharma, Inc. 2,328,492
2020-07-20 13G GLYC / GlycoMimetics, Inc. 2,909,800
2020-06-17 13G XNCR / Xencor, Inc. 4,547,072
2020-05-29 13G GERN / Geron Corporation 28,846,154
2020-05-29 13G SURF / Surface Oncology Inc 1,301,713 5,033,861
2020-05-01 13G ORIC / ORIC Pharmaceuticals, Inc. 2,642,218
2020-04-24 13G/A MRUS / Merus N.V. 1,718,200 1,906,861
2020-03-26 13G PBYI / Puma Biotechnology, Inc. 2,536,156
2020-02-14 13G/A ABUS / Arbutus Biopharma Corporation 3,281,502 0
2020-02-14 13G/A CRIS / Curis, Inc. 2,982,208 0
2020-02-14 13G/A LRMR / Larimar Therapeutics, Inc. 3,141,323 0
2020-02-14 13G/A KZR / Kezar Life Sciences, Inc. 1,060,018 0
2020-02-14 13G/A SLDB / Solid Biosciences Inc. 3,102,238 0
2020-02-14 13G/A ONTX / Onconova Therapeutics, Inc. 423,441 0
2020-02-14 13G/A SRRK / Scholar Rock Holding Corporation 1,474,228 0
2020-02-14 13G ACRS / Aclaris Therapeutics, Inc. 2,087,312
2020-02-14 13G/A ANAB / AnaptysBio, Inc. 1,720,500 1,966,100
2020-02-14 13G/A BCEL / Atreca, Inc. 1,481,411
2020-02-14 13G/A US16706W1027 / Chiasma Inc 3,043,827 3,043,827
2020-02-14 13G/A DRNA / Dicerna Pharmaceuticals Inc 3,316,407 3,627,597
2020-02-14 13G/A EIGR / Eiger BioPharmaceuticals, Inc. 1,595,643 449,338
2020-02-14 13G/A KURA / Kura Oncology, Inc. 5,276,753 4,241,953
2020-02-14 13G MRUS / Merus N.V. 1,718,200
2020-02-14 13G/A MORF / Morphic Holding, Inc. 2,239,704 2,154,845
2020-02-14 13G/A US74140Y1010 / Prevail Therapeutics Inc. 2,392,556 2,248,306
2020-02-14 13G/A SURF / Surface Oncology Inc 2,261,328 1,301,713
2020-02-14 13G/A XCUR / Exicure, Inc. 5,945,225 3,544,186
2020-02-14 13G/A XFOR / X4 Pharmaceuticals, Inc. 1,200,000 1,015,400
2020-01-06 13G SELB / Selecta Biosciences Inc 6,896,551
2020-01-06 13G SVRA / Savara Inc. 4,473,204
2020-01-03 13G RGLS / Regulus Therapeutics Inc. 0 2,322,644
2019-12-27 13G CYCN / Cyclerion Therapeutics, Inc. 1,811,000
2019-12-27 13G NLTX / Neoleukin Therapeutics, Inc. 3,915,880
2019-12-23 13G ASMB / Assembly Biosciences, Inc. 502,500 2,388,268
2019-12-17 13G XFOR / X4 Pharmaceuticals, Inc. 1,200,000
2019-12-13 13D PRTA / Prothena Corporation plc 9,426,640 9,426,640
2019-11-18 13G ANAB / AnaptysBio, Inc. 1,720,500
2019-11-14 13G PIRS / Pieris Pharmaceuticals, Inc. 5,070,424
2019-10-23 13G IPHYF / Innate Pharma S.A. 6,623,114
2019-10-15 13G LRMR / Larimar Therapeutics, Inc. 3,141,323
2019-10-07 13G XCUR / Exicure, Inc. 5,945,225
2019-08-26 13D PRTA / Prothena Corporation plc 9,426,640
2019-08-02 13G SLDB / Solid Biosciences Inc. 3,102,238
2019-07-09 13G MORF / Morphic Holding, Inc. 2,239,704
2019-06-28 13G US74140Y1010 / Prevail Therapeutics Inc. 2,392,556
2019-06-28 13G BCEL / Atreca, Inc. 1,486,979
2019-05-10 13G/A ASMB / Assembly Biosciences, Inc. 2,404,853 502,500
2019-04-08 13G US16706W1027 / Chiasma Inc 3,043,827
2019-03-11 13G/A IMDZ / Immune Design Corp. 5,603,191
2019-02-14 13G/A SRRK / Scholar Rock Holding Corporation 2,671,161 1,474,228
2019-02-14 13G/A ASND / Ascendis Pharma A/S - Depositary Receipt (Common Stock) 2,107,600 679,746
2019-02-14 13G ABUS / Arbutus Biopharma Corporation 3,281,502
2019-02-14 13G/A ASMB / Assembly Biosciences, Inc. 571,126 2,404,853
2019-02-14 13G/A KURA / Kura Oncology, Inc. 3,766,852 5,276,753
2019-02-14 13G/A NLTX / Neoleukin Therapeutics, Inc. 1,758,973 2,265,880
2019-02-14 13G/A DRNA / Dicerna Pharmaceuticals Inc 4,836,547 3,316,407
2019-02-14 13G/A EIGR / Eiger BioPharmaceuticals, Inc. 1,039,500 1,595,643
2019-02-14 13G/A ONTX / Onconova Therapeutics, Inc. 7,564,359 423,441
2019-02-14 13G/A SURF / Surface Oncology Inc 1,747,657 2,261,328
2019-02-14 13G/A KZR / Kezar Life Sciences, Inc. 1,288,198 1,060,018
2019-01-10 13G/A IMDZ / Immune Design Corp. 3,562,600 5,603,191
2018-12-27 13G CRIS / Curis, Inc. 2,982,208
2018-12-27 13G CURO / CURO Group Holdings Corp. 2,982,208
2018-11-13 13G SURF / Surface Oncology Inc 1,747,657
2018-07-16 13G NLTX / Neoleukin Therapeutics, Inc. 1,758,973
2018-07-11 13G KZR / Kezar Life Sciences, Inc. 1,288,198
2018-06-04 13G SRRK / Scholar Rock Holding Corporation 2,671,161
2018-06-04 13G EIGR / Eiger BioPharmaceuticals, Inc. 2,843,170 1,039,500
2018-05-22 13G/A LIFE / aTyr Pharma, Inc. 4,625,519 707,547
2018-05-07 13G ONTX / Onconova Therapeutics, Inc. 7,564,359
2018-02-14 13G/A FATE / Fate Therapeutics, Inc. 2,537,026 0
2018-02-14 13G/A MRNS / Marinus Pharmaceuticals, Inc. 3,622,271 0
2018-02-14 13G/A RGLS / Regulus Therapeutics Inc. 5,117,144 0
2018-02-14 13G/A FBRX / Forte Biosciences, Inc. 0
2018-02-14 13G/A LIFE / aTyr Pharma, Inc. 4,642,396 4,625,519
2018-02-14 13G ASND / Ascendis Pharma A/S - Depositary Receipt (Common Stock) 2,107,600
2018-02-14 13G/A TPST / Tempest Therapeutics, Inc. 3,512,332 0
2018-01-03 13G DRNA / Dicerna Pharmaceuticals Inc 4,836,547 4,836,547
2018-01-02 13G DRNA / Dicerna Pharmaceuticals Inc 4,836,547
2017-11-06 13G IMDZ / Immune Design Corp. 3,562,600
2017-09-07 13G/A LIFE / aTyr Pharma, Inc. 1,961,335 4,642,396
2017-08-21 13G/A KURA / Kura Oncology, Inc. 2,611,906 3,766,852
2017-08-08 13G MRNS / Marinus Pharmaceuticals, Inc. 3,622,271
2017-05-30 13G RGLS / Regulus Therapeutics Inc. 5,117,144
2017-05-15 13G FGEN / FibroGen, Inc. 1,322,991
2017-05-10 13G FBRX / Forte Biosciences, Inc. 1,415,000
2017-03-31 13G TPST / Tempest Therapeutics, Inc. 3,512,332
2017-02-14 13G/A ASMB / Assembly Biosciences, Inc. 2,098,302 571,126
2017-02-14 13G FATE / Fate Therapeutics, Inc. 2,537,026
2017-02-14 13G/A 17K / Self Storage Group ASA 571,126
2017-02-14 13G/A KURA / Kura Oncology, Inc. 2,450,000 2,611,906
2017-01-30 13G LIFE / aTyr Pharma, Inc. 1,961,335
2016-02-12 13G/A 17K / Self Storage Group ASA 1,432,765
2016-02-12 13G/A ASMB / Assembly Biosciences, Inc. 1,877,069 2,098,302
2016-02-11 13G/A KURA / Kura Oncology, Inc. 2,449,300 2,450,000
2016-02-11 13G/A EIGR / Eiger BioPharmaceuticals, Inc. 2,843,170 2,843,170
2016-01-15 13G/A GNVC / GenVec, Inc. 0
2015-11-18 13G/A KURA / Kura Oncology, Inc. 1,450,000 2,449,300
2015-10-09 13G/A ASMB / Assembly Biosciences, Inc. 1,887,069 1,877,069
2015-06-30 13G EIGR / Eiger BioPharmaceuticals, Inc. 2,843,170
2015-03-17 13G KURA / Kura Oncology, Inc. 1,450,000 1,450,000
2015-03-16 13G KURA / Kura Oncology, Inc. 1,450,000
2015-02-17 13G/A GNVC / GenVec, Inc. 1,986,413
2015-02-17 13G/A PRTK / Paratek Pharmaceuticals Inc. 78,958
2015-02-17 13G/A ASMB / Assembly Biosciences, Inc. 1,009,752
2015-02-17 13G/A 17K / Self Storage Group ASA 1,344,431
2014-10-08 13G ASMB / Assembly Biosciences, Inc. 961,352
2014-08-29 13G PRTK / Paratek Pharmaceuticals Inc. 1,058,200
2014-02-21 13G/A GNVC / GenVec, Inc. 1,840,000
2013-12-20 13G 17K / Self Storage Group ASA 923,187
2013-11-27 13G/A GNVC / GenVec, Inc. 1,840,000
2013-09-18 13G GNVC / GenVec, Inc. 1,295,000