Climb Bio, Inc. (CLYM) Institutional Ownership

Ownership Summary

Climb Bio, Inc. (NASDAQ:CLYM) has 80 institutional investors with active 13F positions as of March 2026.

• These investors held 47.3% of outstanding shares in March 2026, up from 45.8% in December 2025.
• Their total shares held in CLYM increased 12.03% quarter over quarter, and separately, investors owning Climb Bio increased 3.9% from a year ago.
• During the quarter, 52 of these 80 funds increased positions in CLYM, 23 reduced exposure, and 5 held steady.
• The aggregate institutional position in Climb Bio amounted to 32.29Mn shares as of March 2026, up by 3.47Mn shares quarter on quarter, and down 20.21Mn shares year over year.
• As of March 31, 2026, the biggest holder of Climb Bio is RA CAPITAL MANAGEMENT, L.P. at 11.3Mn shares, representing 16.57% of shares outstanding.
• The most significant purchases of CLYM for the quarter ending March 2026 came from PRICE T ROWE ASSOCIATES INC /MD/ (1.92Mn), BRAIDWELL LP (1.53Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.18Mn), MILLENNIUM MANAGEMENT LLC (979.95K), SILVERARC CAPITAL MANAGEMENT, LLC (684.91K).
• The biggest sellers of Climb Bio for the quarter ending March 2026 included ADAR1 Capital Management, LLC (2.27Mn), Point72 Asset Management, L.P. (657.59K), Affinity Asset Advisors, LLC (600.0K), SPHERA FUNDS MANAGEMENT LTD. (513.0K), Peapod Lane Capital LLC (457.11K).
• Climb Bio's 10 largest shareholders as of March 2026 include RA CAPITAL MANAGEMENT, L.P. (11.3Mn), MPM BioImpact LLC (2.59Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.92Mn), BRAIDWELL LP (1.53Mn), GREAT POINT PARTNERS LLC (1.33Mn), MILLENNIUM MANAGEMENT LLC (1.28Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.18Mn), Kynam Capital Management, LP (1.0Mn), MARSHALL WACE, LLP (773.12K), Affinity Asset Advisors, LLC (700.0K) per Business Quant data.