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# Who owns SIGA TECHNOLOGIES INC (SIGA)? Elite investor 13F holders

2 tracked elite investors reported holding SIGA TECHNOLOGIES INC as of 2026-06-30, including Renaissance Technologies LLC, D.E. Shaw. 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

SIGA Technologies, Inc., a commercial-stage pharmaceutical company, focuses on the health security market in the United States. The company's lead product is TPOXX, an antiviral drug for the treatment of human smallpox disease caused by variola virus. SIGA Technologies, Inc. was incorporated in 1995 and is headquartered in New York, New York.

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

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | SIGA TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 1549912.00 USD | 425800.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | SIGA TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 964236.00 USD | 264900.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-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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