Climb BioCLYM
13F holders, Q3 2025 (September 30)68holders −1
12new positions
13sold out
2famous investors
$2.01avg. 13F price*
At the end of Q3 2025, 68 institutions reported holding Climb Bio Inc. (CLYM) in their 13F filings, down 1 from Q2 2025. 12 opened new positions and 13 sold out. The largest holders were Ra Capital Management, L.P. ($63.2M), Vanguard Group Inc. ($2.6M) and Affinity Asset Advisors, LLC ($2.6M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Climb Bio Inc.
- CUSIP
- 28658R106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $585K |
| Exits | 13 | $582K |
All 13F filers, Q2 2025 → Q3 2025: 899,165 shares bought and 6,157,460 shares sold, net −5,258,295 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 68 holders
| Ra Capital Management, L.P. | 0.78% | No change | 31,419,267 | $63.2M |
| Vanguard Group Inc. | 0.00% | Reduce -1.2% | 1,315,811 | $2.6M |
| Affinity Asset Advisors, LLC | 0.25% | Reduce -13.3% | 1,300,000 | $2.6M |
| Kynam Capital Management, LP | 0.15% | No change | 1,028,341 | $2.1M |
| Tang Capital Management LLC | 0.08% | No change | 1,000,000 | $2.0M |
| BlackRock, Inc. | 0.00% | Reduce -16.2% | 735,503 | $1.5M |
| Peapod Lane Capital LLC | 1.01% | Add +1.1% | 561,866 | $1.1M |
| Cantor Fitzgerald, L. P. | 0.02% | Reduce -78.1% | 547,173 | $1.1M |
| Renaissance Technologies | 0.00% | Add +8.4% | 537,100 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -3.8% | 526,917 | $1.1M |
| Deep Track Capital, LP | 0.03% | Reduce -51.0% | 509,789 | $1.0M |
| Alyeska Investment Group, L.P. | 0.00% | No change | 485,364 | $976K |
| Millennium Management | 0.00% | Reduce -1.7% | 471,704 | $948K |
| Nan Fung Trinity (hk) Ltd. | 0.09% | No change | 463,654 | $932K |
| Sphera Funds Management LTD. | 0.21% | Add +107.2% | 434,837 | $874K |
| UBS Group AG | 0.00% | Add +6.0% | 405,404 | $815K |
| Citigroup Inc. | 0.00% | Reduce -79.6% | 329,548 | $662K |
| Geode Capital Management, LLC | 0.00% | No change | 311,721 | $627K |
| Marshall Wace, LLP | 0.00% | Add +525.8% | 229,889 | $462K |
| Shay Capital LLC | 0.05% | Reduce -63.9% | 150,000 | $302K |
| Susquehanna International Group, LLP | 0.00% | Add +128.4% | 142,450 | $286K |
| Diadema Partners LP | 0.19% | Reduce -80.6% | 136,488 | $274K |
| ADAR1 Capital Management, LLC | 0.03% | Add +11.9% | 133,530 | $268K |
| Northern Trust Corp. | 0.00% | Reduce -11.3% | 125,423 | $252K |
| Two Sigma Investments, LP | 0.00% | Reduce -37.3% | 112,681 | $226K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -18.6% | 109,300 | $220K |
| State Street Corp. | 0.00% | No change | 103,100 | $207K |
| TD Asset Management Inc | 0.00% | No change | 89,400 | $180K |
| Morgan Stanley | 0.00% | Reduce -13.2% | 86,334 | $174K |
| Two Sigma Advisers, LP | 0.00% | Reduce -14.8% | 80,900 | $163K |
| Jane Street Group, LLC | 0.00% | Reduce -46.3% | 79,654 | $160K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -63.4% | 73,715 | $148K |
| LPL Financial LLC | 0.00% | New | 61,000 | $123K |
| Bluefin Capital Management, LLC | 0.06% | New | 59,985 | $121K |
| Citizens Financial Group Inc. | 0.00% | New | 46,000 | $92K |
| Prelude Capital Management, LLC | 0.01% | New | 40,718 | $82K |
| Manufacturers Life Insurance Company, The | 0.00% | No change | 38,900 | $78K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -37.9% | 38,591 | $78K |
| Qube Research & Technologies Ltd | 0.00% | Add +6.7% | 36,602 | $74K |
| XTX Topco Ltd | 0.00% | New | 29,184 | $59K |
| Persistent Asset Partners Ltd | 0.04% | Reduce -80.6% | 28,221 | $57K |
| Barclays PLC | 0.00% | Reduce -15.7% | 24,753 | $50K |
| Osaic Holdings, Inc. | 0.00% | Add +7561.0% | 22,600 | $45K |
| JPMorgan Chase & Co. | 0.00% | Reduce -89.5% | 22,012 | $44K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | New | 18,272 | $37K |
| Squarepoint Ops LLC | 0.00% | Reduce -9.9% | 17,699 | $36K |
| Walleye Capital LLC | 0.00% | New | 15,000 | $30K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 14,546 | $29K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -6.1% | 13,244 | $27K |
| HSBC Holdings PLC | 0.00% | Reduce -10.2% | 11,944 | $24K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -12.5% | 11,878 | $24K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.00% | Reduce -22.2% | 10,952 | $22K |
| Chicago Partners Investment Group LLC | 0.00% | Reduce -19.6% | 10,332 | $21K |
| FMR LLC | 0.00% | Reduce -6.4% | 7,142 | $14K |
| Bank of America Corp. | 0.00% | Reduce -24.6% | 5,753 | $12K |
| Federated Hermes, Inc. | 0.00% | New | 4,420 | $9K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.4% | 2,620 | $5K |
| Harbour Investments, Inc. | 0.00% | New | 2,000 | $4K |
| BNP Paribas Financial Markets | 0.00% | Reduce -75.8% | 1,854 | $4K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -9.8% | 1,458 | $3K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 573 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -75.8% | 691 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +339.2% | 224 | $450 |
| Arax Advisory Partners | 0.00% | New | 53 | $106 |
| Advisory Services Network, LLC | 0.00% | New | 32 | $64 |
| SBI Securities Co., Ltd. | 0.00% | Add +8.3% | 13 | $26 |
| Deutsche Bank AG | 0.00% | Reduce -100.0% | 1 | $2 |
| Cwm, LLC | 0.00% | Reduce -95.5% | 107 | $0 |
"% of holder's portfolio" is CLYM's weight in each manager's 13F, not the share of Climb Bio Inc. the manager owns.