Replimune Group, Inc. (REPL) Institutional Ownership

Ownership Summary

Recent 13F filings as of September 2025 show that 165 institutional investors hold a position in Replimune Group, Inc. (NASDAQ:REPL).

• The percentage of Replimune Group owned by institutions changed from 107.5% in June 2025 to 109.8% in September 2025, marking a slight up trend.
• In percentage terms, this reflects as a holdings change of 19.07% quarter on quarter, and an increase of 15.38% year over year.
• Among the 165 institutional holders of Replimune Group, 96 added to their stakes while 51 trimmed their positions and 18 held steady.
• The total number of shares held by institutions in Replimune Group increased to 85.74Mn as of September 2025, a net change of up by 13.73Mn shares quarter on quarter, and up 15.82Mn shares year over year.
• The top institutional stake in Replimune Group as of September 30, 2025 belongs to BAKER BROS. ADVISORS LP, which owns 11.05Mn shares, or 14.15% of the company.
• Among the most significant buyers of Replimune Group during September 2025 were RTW INVESTMENTS, LP (4.33Mn), Point72 Asset Management, L.P. (2.92Mn), READYSTATE ASSET MANAGEMENT LP (2.43Mn), BRAIDWELL LP (2.33Mn), BALYASNY ASSET MANAGEMENT L.P. (2.20Mn).
• Leading sellers of Replimune Group stock in September 2025 included Redmile Group, LLC (4.13Mn), PRICE T ROWE ASSOCIATES INC /MD/ (2.51Mn), Omega Fund Management, LLC (1.73Mn), Boxer Capital Management, LLC (1.16Mn), WELLINGTON MANAGEMENT GROUP LLP (717.49K).
• The top 10 institutional holders of Replimune Group for the quarter ending September 2025 included BAKER BROS. ADVISORS LP (11.05Mn), PRICE T ROWE ASSOCIATES INC /MD/ (8.31Mn), RTW INVESTMENTS, LP (6.40Mn), BlackRock, Inc. (5.78Mn), FCPM III SERVICES B.V. (4.16Mn), Point72 Asset Management, L.P. (3.63Mn), VANGUARD GROUP INC (3.48Mn), TANG CAPITAL MANAGEMENT LLC (3.40Mn), STATE STREET CORP (2.92Mn), BRAIDWELL LP (2.75Mn).