$0.49
-0.01 (-1.91%)
USD · as of 2026-08-19 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | MPM BIOIMPACT LLC | 10,679,39110.7M | $28M | 11.62% | — |
| 2 | Avidity Partners Management LP | 9,996,53410.0M | $25M | 10.88% | ADD 82% |
| 3 | Nextech Invest, Ltd. | 7,419,3557.4M | $19M | 8.08% | — |
| 4 | Deep Track Capital, LP | 7,419,3557.4M | $19M | 8.08% | — |
| 5 | Soleus Capital Management, L.P. | 6,963,1417.0M | $18M | 7.58% | NEW† |
| 6 | Octagon Capital Advisors LP | 5,250,0005.3M | $14M | 5.71% | NEW† |
| 7 | Blue Owl Capital Holdings LP | 5,089,0155.1M | $13M | 5.54% | TRIM -32% |
| 8 | FRANKLIN RESOURCES INC | 3,803,3383.8M | $10M | 4.14% | TRIM -5% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 3,431,9533.4M | $9M | 3.74% | NEW† |
| 10 | MARSHALL WACE, LLP | 2,948,4412.9M | $8M | 3.21% | ADD 14% |
| 11 | TCG Crossover Management, LLC | 2,682,6962.7M | $7M | 2.92% | NEW† |
| 12 | GREAT POINT PARTNERS LLC | 2,238,4962.2M | $6M | 2.44% | TRIM -52% |
| 13 | MILLENNIUM MANAGEMENT LLC | 1,424,3741.4M | $4M | 1.55% | TRIM -45% |
| 14 | Squadron Capital Management LLC | 1,100,0001.1M | $3M | 1.20% | NEW |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,093,8941.1M | $3M | 1.19% | NEW |
| 16 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,000,0001.0M | $3M | 1.09% | NEW |
| 17 | Sio Capital Management, LLC | 917,922917,922 | $2M | 1.00% | TRIM -32% |
| 18 | BlackRock, Inc. | 846,696846,696 | $2M | 0.92% | — |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 603,767603,767 | $2M | 0.66% | — |
| 20 | Cormorant Asset Management, LP | 529,550529,550 | $1M | 0.58% | NEW |
| 21 | JANE STREET GROUP, LLC | 436,931436,931 | $1M | 0.48% | NEW |
| 22 | ADAR1 Capital Management, LLC | 351,094351,094 | $919,866 | 0.38% | — |
| 23 | VANGUARD FIDUCIARY TRUST CO | 341,344341,344 | $894,321 | 0.37% | NEW |
| 24 | GOLDMAN SACHS GROUP INC | 287,299287,299 | $752,723 | 0.31% | NEW |
| 25 | Woodline Partners LP | 250,088250,088 | $655,231 | 0.27% | NEW |
| 26 | STATE STREET CORP | 233,507233,507 | $611,788 | 0.25% | ADD 41% |
| 27 | Seven Fleet Capital Management LP | 190,785190,785 | $499,857 | 0.21% | NEW |
| 28 | RENAISSANCE TECHNOLOGIES LLC | 182,999182,999 | $479,457 | 0.20% | TRIM -64% |
| 29 | CITADEL ADVISORS LLC | 140,017140,017 | $366,845 | 0.15% | ADD 307% |
| 30 | HighTower Advisors, LLC | 126,152126,152 | $330,518 | 0.14% | — |
| 31 | BANK OF AMERICA CORP /DE/ | 114,888114,888 | $301,007 | 0.13% | ADD 12214% |
| 32 | Pathstone Holdings, LLC | 110,244110,244 | $288,839 | 0.12% | — |
| 33 | HRT FINANCIAL LP | 104,973104,973 | $275,000 | 0.11% | NEW |
| 34 | Mill Creek Capital Advisors, LLC | 104,631104,631 | $274,133 | 0.11% | — |
| 35 | NORTHERN TRUST CORP | 103,256103,256 | $270,531 | 0.11% | ADD 23% |
| 36 | Velan Capital Investment Management LP | 100,000100,000 | $262,000 | 0.11% | — |
| 37 | Clear Harbor Asset Management, LLC | 92,80492,804 | $243,146 | 0.10% | — |
| 38 | WINTON GROUP Ltd | 81,30381,303 | $213,014 | 0.09% | NEW |
| 39 | OMERS ADMINISTRATION Corp | 80,60080,600 | $211,172 | 0.09% | NEW |
| 40 | Point72 Asset Management, L.P. | 57,23157,231 | $149,945 | 0.06% | ADD 9% |
| 41 | AMERICAN CENTURY COMPANIES INC | 50,91250,912 | $133,389 | 0.06% | NEW |
| 42 | Corient Private Wealth LLC | 26,53426,534 | $69,519 | 0.03% | TRIM -12% |
| 43 | Virtu Financial LLC | 23,10023,100 | $61,000 | 0.03% | TRIM -20% |
| 44 | Cerity Partners LLC | 20,00020,000 | $52,400 | 0.02% | — |
| 45 | Sanctuary Advisors, LLC | 19,31619,316 | $50,608 | 0.02% | NEW |
| 46 | Vanguard Global Advisers, LLC | 12,61212,612 | $33,043 | 0.01% | NEW |
| 47 | TWO SIGMA SECURITIES, LLC | 12,57312,573 | $32,941 | 0.01% | NEW |
| 48 | CITIGROUP INC | 12,18212,182 | $31,917 | 0.01% | ADD 804% |
| 49 | Qube Research & Technologies Ltd | 11,39811,398 | $29,863 | 0.01% | NEW |
| 50 | OSAIC HOLDINGS, INC. | 10,50010,500 | $27,510 | 0.01% | TRIM -59% |
| 51 | Legacy Capital Wealth Partners, LLC | 10,31510,315 | $27,025 | 0.01% | NEW |
| 52 | JPMORGAN CHASE & CO | 10,42210,422 | $25,534 | 0.01% | NEW |
| 53 | MORGAN STANLEY | 9,0779,077 | $23,782 | 0.01% | NEW |
| 54 | UBS Group AG | 6,1886,188 | $16,212 | 0.01% | ADD 1163% |
| 55 | FNY Investment Advisers, LLC | 6,0006,000 | $15,000 | 0.01% | NEW |
| 56 | Strive Financial Group ,LLC | 1,7001,700 | $4,000 | 0.00% | — |
| 57 | Farther Finance Advisors, LLC | 1,5001,500 | $3,975 | 0.00% | — |
| 58 | Tower Research Capital LLC (TRC) | 1,2321,232 | $3,228 | 0.00% | TRIM -87% |
| 59 | SBI Securities Co., Ltd. | 7878 | $204 | 0.00% | TRIM -32% |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Soleus Capital Management, L.P. | +6,963,141 | $18M | OPEN |
| Octagon Capital Advisors LP | +5,250,000 | $14M | OPEN |
| Avidity Partners Management LP | +4,491,679 | $12M | ADD |
| VANGUARD CAPITAL MANAGEMENT LLC | +3,431,953 | $9M | OPEN |
| TCG Crossover Management, LLC | +2,682,696 | $7M | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −3,785,909 | $10M | CLOSE |
| GREAT POINT PARTNERS LLC | −2,445,215 | $6M | TRIM |
| Blackstone Inc. | −2,440,330 | $6M | CLOSE |
| Blue Owl Capital Holdings LP | −2,343,891 | $6M | TRIM |
| Alyeska Investment Group, L.P. | −1,663,355 | $4M | CLOSE |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| MPM BIOIMPACT LLC | 14.7M | 14.7M | 14.7M | 14.7M | 10.7M | 10.7M | $28M |
| Avidity Partners Management LP | 7.5M | 7.5M | 7.5M | 9.0M | 5.5M | 10.0M | $25M |
| Nextech Invest, Ltd. | — | 7.4M | 7.4M | 7.4M | 7.4M | 7.4M | $19M |
| Deep Track Capital, LP | 7.4M | 7.4M | 7.4M | 7.4M | 7.4M | 7.4M | $19M |
| Soleus Capital Management, L.P. | — | — | — | — | — | 7.0M | $18M |
| Octagon Capital Advisors LP | — | — | — | — | — | 5.3M | $14M |
| Blue Owl Capital Holdings LP | 6.4M | 7.4M | 7.4M | 7.4M | 7.4M | 5.1M | $13M |
| FRANKLIN RESOURCES INC | 4.0M | 4.0M | 4.0M | 4.0M | 4.0M | 3.8M | $10M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 3.4M | $9M |
| MARSHALL WACE, LLP | 203K | — | — | 36K | 2.6M | 2.9M | $8M |
| TCG Crossover Management, LLC | — | — | — | — | — | 2.7M | $7M |
| GREAT POINT PARTNERS LLC | 4.7M | 4.7M | 4.7M | 4.7M | 4.7M | 2.2M | $6M |
| MILLENNIUM MANAGEMENT LLC | 179K | 49K | 17K | — | 2.6M | 1.4M | $4M |
| Squadron Capital Management LLC | — | — | — | — | — | 1.1M | $3M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 10K | — | — | 22K | — | 1.1M | $3M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
SEC Schedule 13D/G XML · group aggregate.