Climb BioCLYM

13F holders, Q1 2026 (March 31)
80holders +15
24new positions
9sold out
4famous investors
$6.85avg. 13F price*

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

050100150 Q1 2024: 21Q1 2024Q2 2024: 47Q2 2024Q3 2024: 71Q3 2024Q4 2024: 79Q4 2024Q1 2025: 75Q1 2025Q2 2025: 69Q2 2025Q3 2025: 68Q3 2025Q4 2025: 65Q4 2025Q1 2026: 80Q1 2026Q2 2026: 108Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions24$24.2M
Exits9$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.