Solid Biosciences Inc. (SLDB) Institutional Ownership

Ownership Summary

Solid Biosciences Inc. (NASDAQ:SLDB) has 124 institutional investors with active 13F positions as of December 2025.

• Collectively, these holders controlled 85.7% of Solid Biosciences's outstanding shares in December 2025, down from 87.8% in September 2025.
• They increased total shares held in Solid Biosciences by 1.3% from last quarter, and the number of investors in SLDB increased 36.26% annually.
• Of these 124 holders, 48 added to their stakes in Solid Biosciences, 48 trimmed positions, and 28 made no changes.
• Combined, these investors held 80.92Mn shares in SLDB for December 2025, up by 1.04Mn shares quarter on quarter, and up 44.44Mn shares year over year.
• As of December 31, 2025, the biggest holder of Solid Biosciences is PERCEPTIVE ADVISORS LLC at 11.83Mn shares, representing 12.53% of shares outstanding.
• The biggest buyers of Solid Biosciences for the quarter ending December 2025 included Vestal Point Capital, LP (2.84Mn), ARMISTICE CAPITAL, LLC (1.68Mn), Monashee Investment Management LLC (1.35Mn), Point72 Asset Management, L.P. (1.08Mn), Birchview Capital, LP (409.0K).
• The largest sales of SLDB for the quarter ending December 2025 came from ADAGE CAPITAL PARTNERS GP, L.L.C. (2.6Mn), Bank Of America Corp /De/ (1.24Mn), Boxer Capital Management, LLC (900.0K), FMR LLC (884.23K), MILLENNIUM MANAGEMENT LLC (793.07K).
• Per Business Quant, the top 10 investors in SLDB for the quarter ending December 2025 include PERCEPTIVE ADVISORS LLC (11.83Mn), Bain Capital Life Sciences Investors, LLC (7.91Mn), Siren, L.L.C. (7.69Mn), Vestal Point Capital, LP (5.82Mn), RA CAPITAL MANAGEMENT, L.P. (5.81Mn), BlackRock, Inc. (4.87Mn), VANGUARD GROUP INC (3.45Mn), CITADEL ADVISORS LLC (2.66Mn), ARMISTICE CAPITAL, LLC (2.61Mn), Point72 Asset Management, L.P. (2.42Mn).