$11.70
+0.02 (+0.17%)
USD · as of 2026-08-19 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 9,853,3029.9M | $63M | 39.87% | — |
| 2 | 5AM Venture Management, LLC | 2,353,3042.4M | $15M | 9.52% | — |
| 3 | Venrock Adviser, LLC | 1,609,5691.6M | $10M | 6.51% | — |
| 4 | venBio Partners LLC | 531,337531,337 | $3M | 2.15% | TRIM -18% |
| 5 | FRANKLIN RESOURCES INC | 520,327520,327 | $3M | 2.11% | — |
| 6 | Revelation Capital Management, LLC | 299,311299,311 | $2M | 1.21% | — |
| 7 | BlackRock, Inc. | 213,388213,388 | $1M | 0.86% | — |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 207,686207,686 | $1M | 0.84% | NEW |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 194,108194,108 | $1M | 0.79% | — |
| 10 | Propel Bio Management, LLC | 146,369146,369 | $949,818 | 0.59% | NEW |
| 11 | MILLENNIUM MANAGEMENT LLC | 123,270123,270 | $793,859 | 0.50% | TRIM -43% |
| 12 | TWO SIGMA INVESTMENTS, LP | 115,041115,041 | $740,864 | 0.47% | TRIM -21% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 101,695101,695 | $655,451 | 0.41% | — |
| 14 | Alyeska Investment Group, L.P. | 100,000100,000 | $644,000 | 0.40% | — |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 80,03880,038 | $515,445 | 0.32% | TRIM -31% |
| 16 | JANE STREET GROUP, LLC | 39,49639,496 | $254,354 | 0.16% | TRIM -3% |
| 17 | STATE STREET CORP | 35,82435,824 | $230,707 | 0.14% | — |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 35,00035,000 | $225,400 | 0.14% | — |
| 19 | VANGUARD FIDUCIARY TRUST CO | 32,81032,810 | $211,296 | 0.13% | NEW |
| 20 | PANAGORA ASSET MANAGEMENT INC | 30,70230,702 | $197,721 | 0.12% | NEW |
| 21 | Velan Capital Investment Management LP | 25,00025,000 | $161,000 | 0.10% | NEW |
| 22 | Simplify Asset Management Inc. | 23,23023,230 | $149,601 | 0.09% | NEW |
| 23 | Sanctuary Advisors, LLC | 21,58121,581 | $138,982 | 0.09% | NEW |
| 24 | BAILARD, INC. | 20,70020,700 | $133,308 | 0.08% | NEW |
| 25 | DIMENSIONAL FUND ADVISORS LP | 20,37020,370 | $131,183 | 0.08% | NEW |
| 26 | XTX Topco Ltd | 20,27020,270 | $130,539 | 0.08% | NEW |
| 27 | MORGAN STANLEY | 16,37716,377 | $105,468 | 0.07% | TRIM -40% |
| 28 | CITADEL ADVISORS LLC | 15,87015,870 | $102,203 | 0.06% | NEW |
| 29 | NORTHERN TRUST CORP | 12,20812,208 | $78,620 | 0.05% | NEW |
| 30 | GOLDMAN SACHS GROUP INC | 11,46511,465 | $73,835 | 0.05% | TRIM -5% |
| 31 | OMERS ADMINISTRATION Corp | 11,40011,400 | $73,416 | 0.05% | TRIM -46% |
| 32 | Russell Investments Group, Ltd. | 5,4915,491 | $35,362 | 0.02% | — |
| 33 | FMR LLC | 3,5293,529 | $22,727 | 0.01% | — |
| 34 | UBS Group AG | 1,5271,527 | $9,834 | 0.01% | TRIM -96% |
| 35 | WELLS FARGO & COMPANY/MN | 1,5001,500 | $9,660 | 0.01% | — |
| 36 | MARK SHEPTOFF FINANCIAL PLANNING, LLC | 400400 | $4,240 | 0.00% | — |
| 37 | BNP PARIBAS FINANCIAL MARKETS | 542542 | $3,490 | 0.00% | — |
| 38 | JPMORGAN CHASE & CO | 223223 | $1,215 | 0.00% | ADD 19% |
| 39 | ROYAL BANK OF CANADA | 188188 | $1,000 | 0.00% | TRIM -45% |
| 40 | OSAIC HOLDINGS, INC. | 1818 | $116 | 0.00% | TRIM -44% |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +207,686 | $1M | OPEN |
| Propel Bio Management, LLC | +146,369 | $942,616 | OPEN |
| VANGUARD FIDUCIARY TRUST CO | +32,810 | $211,296 | OPEN |
| PANAGORA ASSET MANAGEMENT INC | +30,702 | $197,721 | OPEN |
| Velan Capital Investment Management LP | +25,000 | $161,000 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −246,006 | $2M | CLOSE |
| venBio Partners LLC | −117,170 | $754,575 | TRIM |
| MILLENNIUM MANAGEMENT LLC | −93,827 | $604,246 | TRIM |
| MARSHALL WACE, LLP | −79,559 | $512,360 | CLOSE |
| RENAISSANCE TECHNOLOGIES LLC | −36,162 | $232,883 | TRIM |
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 |
|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 9.9M | 9.9M | 9.9M | 9.9M | 9.9M | 9.9M | $63M |
| 5AM Venture Management, LLC | 2.4M | 2.4M | 2.4M | 2.4M | 2.4M | 2.4M | $15M |
| Venrock Adviser, LLC | 1.6M | 1.6M | 1.6M | 1.6M | 1.6M | 1.6M | $10M |
| venBio Partners LLC | 1.5M | 1.2M | 1.1M | 1.1M | 649K | 531K | $3M |
| FRANKLIN RESOURCES INC | 520K | 520K | 520K | 520K | 520K | 520K | $3M |
| Revelation Capital Management, LLC | — | — | — | — | 299K | 299K | $2M |
| BlackRock, Inc. | 1.0M | 1.2M | 486K | 294K | 213K | 213K | $1M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 208K | $1M |
| WELLINGTON MANAGEMENT GROUP LLP | 194K | 194K | 194K | 194K | 194K | 194K | $1M |
| Propel Bio Management, LLC | — | — | — | — | — | 146K | $949,818 |
| MILLENNIUM MANAGEMENT LLC | — | — | 327K | 262K | 217K | 123K | $793,859 |
| TWO SIGMA INVESTMENTS, LP | — | — | 21K | 20K | 145K | 115K | $740,864 |
| GEODE CAPITAL MANAGEMENT, LLC | 316K | 410K | 159K | 111K | 101K | 102K | $655,451 |
| Alyeska Investment Group, L.P. | 100K | 100K | 100K | 100K | 100K | 100K | $644,000 |
| RENAISSANCE TECHNOLOGIES LLC | — | — | — | 79K | 116K | 80K | $515,445 |
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.