Who owns Emergent BioSolutions Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of EBS from SEC Form 13F filings across 143 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 143 institutions disclosed 31.5M shares of Emergent BioSolutions Inc. worth $254.3M — about 61.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
143
13F holders
$254.3M
value, 2026 filers
61.1%
of shares outstanding (31.5M sh)
25
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of EBS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $39.5M | 0.0% | 9.1% | +8.6% |
| 2 | AMERICAN CENTURY COMPANIES INC | 2.8M | $23.2M | 0.0% | 5.4% | +14.2% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $18.4M | 0.0% | 4.3% | -51.3% |
| 4 | ACADIAN ASSET MANAGEMENT LLC | 1.3M | $11,258 | 0.0% | 2.6% | -2.7% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $11.2M | 0.0% | 2.6% | +5.1% |
| 6 | Sixth Street Partners Management Company, L.P.NEW | 1.2M | $10.1M | 1.7% | 2.3% | new |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $10.1M | 0.0% | 2.3% | -20.3% |
| 8 | MILLENNIUM MANAGEMENT LLC | 1.1M | $9.0M | 0.0% | 2.1% | +101.5% |
| 9 | Ancora Advisors LLCNEW | 1.1M | $8.9M | 0.2% | 2.1% | new |
| 10 | GOLDMAN SACHS GROUP INC | 1.0M | $8.7M | 0.0% | 2% | +27.6% |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.0M | $8.6M | 0.0% | 2% | -7.9% |
| 12 | D. E. Shaw & Co., Inc. | 900,108 | $7.5M | 0.0% | 1.7% | -10.3% |
| 13 | Russell Investments Group, Ltd. | 859,482 | $7.2M | 0.0% | 1.7% | +155.9% |
| 14 | FEDERATED HERMES, INC. | 831,125 | $7.0M | 0.0% | 1.6% | +82.1% |
| 15 | PRUDENTIAL FINANCIAL INC | 805,895 | $6.8M | 0.0% | 1.6% | +79.6% |
| 16 | NORTHERN TRUST CORP | 621,473 | $5.2M | 0.0% | 1.2% | +3.4% |
| 17 | Allianz Asset Management GmbH | 543,781 | $4.6M | 0.0% | 1.1% | +15.8% |
| 18 | NEW YORK STATE COMMON RETIREMENT FUND | 513,904 | $4.3M | 0.0% | 1% | 0.0% |
| 19 | TWO SIGMA INVESTMENTS, LP | 488,284 | $4.1M | 0.0% | 0.9% | -15.4% |
| 20 | MORGAN STANLEY | 469,715 | $3.9M | 0.0% | 0.9% | -36.9% |
| 21 | Prosight Management, LP | 459,952 | $3.9M | 0.7% | 0.9% | -28.0% |
| 22 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 440,423 | $3.7M | 0.0% | 0.9% | +19.2% |
| 23 | UBS Group AG | 366,011 | $3.1M | 0.0% | 0.7% | -6.9% |
| 24 | Connor, Clark & Lunn Investment Management Ltd. | 353,983 | $3.0M | 0.0% | 0.7% | -45.4% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 341,720 | $2.9M | 0.0% | 0.7% | -1.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.