Emergent BioSolutions Inc. (EBS) Institutional Ownership

Ownership Summary

Emergent BioSolutions Inc. (NYSE:EBS) is held by 176 institutional investors per 13F filings through December 2025.

• These investors collectively held 76.6% of Emergent BioSolutions's outstanding shares in December 2025, up from 74.1% in September 2025.
• Their total shares held in EBS increased 6.9% from the prior quarter, while the number of investors in Emergent BioSolutions increased 13.55% year over year.
• Among the 176 funds, 97 bought more Emergent BioSolutions shares, 50 sold down, and 29 held their ground.
• Combined, these investors held 43.26Mn shares in EBS for December 2025, up by 2.79Mn shares quarter on quarter, and up 6.57Mn shares year over year.
• As of December 31, 2025, BlackRock, Inc. held the largest stake in Emergent BioSolutions with 4.34Mn shares, accounting for 7.68% of total shares outstanding.
• The most significant purchases of EBS for the quarter ending December 2025 came from VANGUARD CAPITAL MANAGEMENT LLC (2.26Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.12Mn), AQR CAPITAL MANAGEMENT LLC (511.57K), DIMENSIONAL FUND ADVISORS LP (504.55K), Prudential Financial Inc (358.88K).
• Top sellers of EBS stock for the quarter ending December 2025 included OAK HILL ADVISORS LP (2.5Mn), Jain Global LLC (743.71K), Goldman Sachs Group Inc (668.64K), Morgan Stanley (413.16K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (329.27K).
• According to Business Quant data, leading holders of EBS for December 2025 are BlackRock, Inc. (4.34Mn), State Street Corp (2.85Mn), DIMENSIONAL FUND ADVISORS LP (2.76Mn), AMERICAN CENTURY COMPANIES INC (2.43Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.26Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (1.51Mn), ACADIAN ASSET MANAGEMENT LLC (1.38Mn), GEODE CAPITAL MANAGEMENT, LLC (1.27Mn), PALISADE CAPITAL MANAGEMENT, LP (1.2Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.12Mn).