Emergent BioSolutions
EBS · NYSE
$6.29−$0.07 (−1.10%)TodayMarket closed ·
Prev close $6.36
Who owns EBS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 42.7% of EBS’s shares.
- BlackRock Institutional Trust Company, N.A.8.4%
- Dimensional Fund Advisors, L.P.6.0%
- State Street Investment Management (US)5.7%
- American Century Investment Management, Inc.5.4%
- Next 6 largest institutions17.2%
- All other shareholders57.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 4.35M | 8.43% |
| Dimensional Fund Advisors, L.P. | 3.08M | 5.96% |
| State Street Investment Management (US) | 2.93M | 5.68% |
| American Century Investment Management, Inc. | 2.77M | 5.37% |
| Vanguard Capital Management, LLC | 2.20M | 4.26% |
| LSV Asset Management | 1.70M | 3.29% |
| Acadian Asset Management LLC | 1.34M | 2.61% |
| Geode Capital Management, L.L.C. | 1.34M | 2.59% |
| Charles Schwab Investment Management, Inc. | 1.20M | 2.33% |
| Oak Hill Advisors, L.P. | 1.11M | 2.16% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Avantis US Small Cap Value ETF | 2.78M | 5.39% |
| State Street SPDR S&P Biotech ETF | 1.80M | 3.49% |
| Vanguard Total Stock Market Index Fund | 1.55M | 3.01% |
| iShares Russell 2000 ETF | 1.38M | 2.67% |
| DFA US Small Cap Value Portfolio | 664.17K | 1.29% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $689.23K (10 trades) of EBS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| DeGolyer Donald W | Sale | 17.80K | $126.20K |
| Williams Paul Anthony | Sale | 3.00K | $19.59K |
| Williams Paul Anthony | Sale | 3.00K | $25.20K |
| Hartzel William | Tax withholding | 1.74K | $13.93K |
| Williams Paul Anthony | Tax withholding | 694 | $5.55K |
| Glessner Coleen | Tax withholding | 2.02K | $16.14K |
| LINDAHL RICHARD S | Tax withholding | 3.96K | $31.71K |
| Zoon Kathryn C | Sale | 1.06K | $9.48K |
| Zoon Kathryn C | Sale | 16.14K | $134.97K |
| DeGolyer Donald W | Sale | 954 | $8.55K |
Short interest
Settled Sep 30, 2026
- Shares short
- 9.29M
- Days to cover
- 8.31
- % of shares outstanding
- 18.01%
- Average daily volume
- 1.12M
- Change since last report
- −5.0%
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