SIGA TECHNOLOGIES INC COM is a security (CUSIP 826917906) tracked across SEC portfolio filings. 2 institutional managers reported $11K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $11K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |