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# Who owns Emergent BioSolutions Inc. (EBS)? Elite investor 13F holders

2 tracked elite investors reported holding Emergent BioSolutions Inc as of 2026-06-30, including D.E. Shaw, Renaissance Technologies LLC. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Emergent BioSolutions Inc., a life sciences company, provides preparedness and response solutions for accidental, deliberate, and naturally occurring public health threats in the United States, Canada, and internationally. It operates through Commercial Products, MCM Products, and All Other Revenues segments. The company offers ACAM2000, a smallpox and mpox vaccine; Anthrax Immune Globulin…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | EMERGENT BIOSOLUTIONS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 7542905.00 USD | 900108.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | EMERGENT BIOSOLUTIONS INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 5725610.00 USD | 683247.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | EMERGENT BIOSOLUTIONS INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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