Climb BioCLYM
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 80 institutions reported holding Climb Bio Inc. (CLYM) in their 13F filings, up 15 from Q4 2025. 24 opened new positions and 9 sold out. The largest holders were Ra Capital Management, L.P. ($77.4M), MPM Bioimpact LLC ($17.8M) and T. Rowe Price Associates Inc. ($13.1M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Climb Bio Inc.
- CUSIP
- 28658R106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $24.2M |
| Exits | 9 | $1.4M |
All 13F filers, Q4 2025 → Q1 2026: 5,885,012 shares bought and 4,302,166 shares sold, net +1,582,846 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 80 holders
| Ra Capital Management, L.P. | 0.82% | Add +0.1% | 11,300,939 | $77.4M |
| MPM Bioimpact LLC | 1.37% | Reduce -2.9% | 2,593,439 | $17.8M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -0.3% | 1,916,968 | $13.1M |
| Braidwell LP | 0.40% | New | 1,529,675 | $10.5M |
| Great Point Partners LLC | 2.24% | Add +36.2% | 1,334,130 | $9.1M |
| Millennium Management | 0.01% | Add +330.7% | 1,276,260 | $8.7M |
| Vanguard Capital Management LLC | 0.00% | — | 1,178,659 | $8.1M |
| Kynam Capital Management, LP | 0.44% | Reduce -2.4% | 1,003,341 | $6.9M |
| Marshall Wace, LLP | 0.01% | Add +154.3% | 773,123 | $5.3M |
| Affinity Asset Advisors, LLC | 0.29% | Reduce -46.1% | 700,000 | $4.8M |
| Silverarc Capital Management, LLC | 0.55% | New | 684,908 | $4.7M |
| Driehaus Capital Management LLC | 0.03% | No change | 600,946 | $4.1M |
| ADAR1 Capital Management, LLC | 0.25% | Reduce -58.3% | 597,662 | $4.1M |
| Nan Fung Trinity (hk) Ltd. | 0.32% | Reduce -9.3% | 420,517 | $2.9M |
| Sphera Funds Management LTD. | 0.49% | Reduce -55.0% | 419,247 | $2.9M |
| BlackRock, Inc. | 0.00% | Add +3.2% | 401,649 | $2.8M |
| Susquehanna International Group, LLP | 0.00% | Reduce -13.0% | 387,403 | $2.7M |
| Citadel Advisors | 0.00% | Add +44.6% | 345,663 | $2.4M |
| Geode Capital Management, LLC | 0.00% | Add +0.7% | 312,999 | $2.1M |
| Two Sigma Investments, LP | 0.00% | Reduce -45.2% | 310,606 | $2.1M |
| Diadema Partners LP | 0.81% | New | 286,126 | $2.0M |
| TD Asset Management Inc | 0.00% | Add +1.6% | 250,102 | $1.7M |
| Morgan Stanley | 0.00% | Add +57.7% | 234,182 | $1.6M |
| Longaeva Partners L.P. | 0.07% | New | 217,768 | $1.5M |
| Renaissance Technologies | 0.00% | Reduce -32.2% | 217,300 | $1.5M |
| Superstring Capital Management LP | 0.97% | New | 199,209 | $1.4M |
| Jane Street Group, LLC | 0.00% | Reduce -8.6% | 171,375 | $1.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 158,660 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +11.2% | 156,317 | $1.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -33.3% | 149,970 | $1.0M |
| Verdad Advisers, LP | 1.11% | New | 144,540 | $990K |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -15.7% | 134,300 | $920K |
| State Street Corp. | 0.00% | Add +2.4% | 132,000 | $904K |
| Seven Fleet Capital Management LP | 0.28% | Add +71.0% | 130,654 | $895K |
| Northern Trust Corp. | 0.00% | Add +2.6% | 127,904 | $876K |
| ArchPoint Investors | 0.20% | No change | 121,400 | $832K |
| Peapod Lane Capital LLC | 0.61% | Reduce -80.8% | 108,878 | $740K |
| Dimensional Fund Advisors LP | 0.00% | New | 104,437 | $715K |
| Qube Research & Technologies Ltd | 0.00% | Add +201.2% | 104,217 | $714K |
| Boothbay Fund Management, LLC | 0.02% | New | 92,297 | $632K |
| 683 Capital Management, LLC | 0.06% | Reduce -55.4% | 90,000 | $617K |
| UBS Group AG | 0.00% | Add +20.5% | 85,945 | $589K |
| Persistent Asset Partners Ltd | 0.19% | Add +683.8% | 72,325 | $495K |
| LPL Financial LLC | 0.00% | Reduce -2.6% | 60,379 | $414K |
| Point72 Asset Management | 0.00% | Reduce -91.8% | 59,090 | $405K |
| Brevan Howard Capital Management LP | 0.00% | New | 56,624 | $388K |
| Hudson Bay Capital Management LP | 0.00% | Add +11.7% | 54,460 | $373K |
| Bank of America Corp. | 0.00% | Add +945.3% | 52,921 | $363K |
| XTX Topco Ltd | 0.01% | Add +49.0% | 51,912 | $356K |
| Barclays PLC | 0.00% | Reduce -20.9% | 48,936 | $335K |
| Squarepoint Ops LLC | 0.00% | New | 42,974 | $294K |
| HRT Financial LP | 0.00% | New | 37,161 | $254K |
| Cantor Fitzgerald, L. P. | 0.01% | New | 30,000 | $206K |
| BNP Paribas Financial Markets | 0.00% | Add +5578.0% | 29,128 | $200K |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0.25% | New | 24,590 | $168K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 22,051 | $151K |
| Fox Run Management, L.L.C. | 0.02% | New | 19,287 | $126K |
| Raymond James Financial Inc. | 0.00% | New | 17,727 | $121K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -80.5% | 16,700 | $114K |
| Blair William & Co. | 0.00% | Add +9.1% | 12,000 | $82K |
| Diametric Capital, LP | 0.02% | New | 11,218 | $77K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +0.7% | 11,204 | $77K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | New | 11,056 | $76K |
| Vanguard Global Advisers, LLC | 0.00% | — | 10,061 | $69K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -51.1% | 6,959 | $48K |
| FMR LLC | 0.00% | Add +0.8% | 6,397 | $44K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +73.8% | 5,836 | $40K |
| Citigroup Inc. | 0.00% | Reduce -43.9% | 5,794 | $40K |
| Osaic Holdings, Inc. | 0.00% | Add +466.7% | 3,400 | $23K |
| Advisory Services Network, LLC | 0.00% | New | 2,032 | $14K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 573 | $4K |
| Jones Financial Companies LLLP | 0.00% | New | 266 | $2K |
| Fortitude Family Office, LLC | 0.00% | New | 92 | $630 |
| Russell Investments Group, Ltd. | 0.00% | New | 79 | $541 |
| Allworth Financial LP | 0.00% | New | 45 | $309 |
| JPMorgan Chase & Co. | 0.00% | No change | 46 | $301 |
| Cwm, LLC | 0.00% | Reduce -37.9% | 18 | $123 |
| Arax Advisory Partners | 0.00% | New | 51 | $110 |
| Deutsche Bank AG | 0.00% | No change | 1 | $7 |
| Royal Bank of Canada | 0.00% | Reduce -80.6% | 79 | $0 |
"% of holder's portfolio" is CLYM's weight in each manager's 13F, not the share of Climb Bio Inc. the manager owns.