Stock
Reported value
$108.4M
Holders
40
+10 new · −5 exited
Holders’ est. mark
$35M
Price effect on 28 books still in the name
Largest holder
$63.5M
RA CAPITAL MANAGEMENT, L.P.
Notable conviction
Share of each notable manager’s 13F book.
- Renaissance Technologies0.0% · $515.4K
- Citadel0.0% · $102.2K
- Fidelity0.0% · $22.7K
- State Street0.0% · $230.7K
Holder count by quarter
Who holds it
Notable only| Investor | Shares | Value | Est. mark | Change |
|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 9.85M | $63.5M | $21.2M | Added$21.2M |
| 5AM Venture Management, LLC | 2.35M | $15.2M | $5.06M | Added$5.06M |
| VR ADVISER, LLC | 1.61M | $10.4M | $3.46M | Added$3.46M |
| venBio Partners LLC | 531.3K | $3.42M | $1.14M | Added$639.7K |
| FRANKLIN RESOURCES INC | 520.3K | $3.35M | $1.12M | Added$1.12M |
| Revelation Capital Management, LLC | 299.3K | $1.93M | $643.5K | Added$643.5K |
| BlackRock, Inc. | 213.4K | $1.37M | $457K | Added$462.4K |
| VANGUARD CAPITAL MANAGEMENT LLC | 207.7K | $1.34M | — | Held |
| WELLINGTON MANAGEMENT GROUP LLP | 194.1K | $1.25M | $417.3K | Added$417.3K |
| Propel Bio Management, LLC | 146.4K | $949.8K | — | New |
| MILLENNIUM MANAGEMENT LLC | 123.3K | $793.9K | $265K | Cut−$137.5K |
| TWO SIGMA INVESTMENTS, LP | 115K | $740.9K | $247.3K | Added$119.4K |
| GEODE CAPITAL MANAGEMENT, LLC | 101.7K | $655.5K | $217.6K | Added$221.3K |
| Alyeska Investment Group, L.P. | 100K | $644K | $215K | Added$215K |
| Renaissance Technologies | 80K | $515.4K | $172.1K | Added$16.9K |
| JANE STREET GROUP, LLC | 39.5K | $254.4K | $84.9K | Added$79.9K |
| State Street | 35.8K | $230.7K | $77K | Added$77K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 35K | $225.4K | $75.3K | Added$75.3K |
| VANGUARD FIDUCIARY TRUST CO | 32.8K | $211.3K | — | Held |
| PANAGORA ASSET MANAGEMENT INC | 30.7K | $197.7K | — | New |
| Velan Capital Investment Management LP | 25K | $161K | — | New |
| Simplify Asset Management Inc. | 23.2K | $149.6K | — | New |
| Sanctuary Advisors, LLC | 21.6K | $139K | — | New |
| BAILARD, INC. | 20.7K | $133.3K | — | New |
| DIMENSIONAL FUND ADVISORS LP | 20.4K | $131.2K | — | New |
| XTX Topco Ltd | 20.3K | $130.5K | — | New |
| MORGAN STANLEY | 16.4K | $105.5K | $35.2K | Cut−$10.7K |
| Citadel | 15.9K | $102.2K | — | New |
| NORTHERN TRUST CORP | 12.2K | $78.6K | — | New |
| GOLDMAN SACHS GROUP INC | 11.5K | $73.8K | $24.7K | Added$22.1K |
| OMERS ADMINISTRATION Corp | 11.4K | $73.4K | $24.5K | Cut−$17.1K |
| Russell Investments Group, Ltd. | 5.49K | $35.4K | $11.8K | Added$11.8K |
| Fidelity | 3.53K | $22.7K | $7.59K | Added$7.46K |
| UBS Group AG | 1.53K | $9.83K | $3.28K | Cut−$148.4K |
| WELLS FARGO & COMPANY/MN | 1.5K | $9.66K | $3.23K | Added$3.23K |
| MARK SHEPTOFF FINANCIAL PLANNING, LLC | 400 | $4.24K | $2.52K | Added$2.52K |
| BNP PARIBAS FINANCIAL MARKETS | 542 | $3.49K | $1.16K | Added$1.17K |
| JPMORGAN CHASE & CO | 223 | $1.22K | $217 | Added$413 |
| ROYAL BANK OF CANADA | 188 | $1K | $445 | Held |
| OSAIC HOLDINGS, INC. | 18 | $116 | $39 | Cut−$21 |
Who left
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.