Institutional Ownership
Siga Technologies Inc
CUSIP 826917106COMSIGAQ1 2026
13D / 13G Filings
21
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
32.2%
Max % of class reported
Institutional Holders
178
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
21 filings · latest Apr 25, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Apr 25, 2025 | Blackrock, Inc. | 13G/A | 4.7% | 3.39M | SEC |
| 2 | Nov 8, 2024 | Blackrock, Inc. | 13G | 5.6% | 4.02M | SEC |
| 3 | Oct 24, 2024 | Blackrock, Inc. | 13G | 5.6% | 4.02M | SEC |
| 4 | Feb 14, 2023 | D. E. Shaw & Co, L.P. | 13G/A | 2.0% | 1.49M | SEC |
| 5 | Jun 24, 2022 | D. E. Shaw & Co, L.P. | 13G | 5.0% | 3.63M | SEC |
| 6 | Feb 9, 2022 | Blackrock Inc. | 13G/A | 4.9% | 3.62M | SEC |
| 7 | Feb 1, 2022 | Blackrock Inc. | 13G/A | 5.0% | 3.73M | SEC |
| 8 | Nov 22, 2021 | Esopus Creek Value Series Fund LP - Series A | 13D/A | 3.2% | 2.37M | SEC |
| 9 | Sep 17, 2021 | Macandrews & Forbes Inc. | 13D/A | 32.2% | 24.16M | SEC |
| 10 | Aug 17, 2021 | Esopus Creek Value Series Fund LP - Series A | 13D/A | 3.2% | 2.37M | SEC |
11 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Siga Technologies Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.49M | $18.69M |
| 2 | Dimensional Fund Advisors LP | 2.70M | $14.46M |
| 3 | Altravue Capital, LLC | 2.43M | $13.01M |
| 4 | Arrowstreet Capital, Limited Partnership | 1.53M | $8.16M |
| 5 | American Century Companies Inc | 1.32M | $7.05M |
| 6 | Geode Capital Management, LLC | 1.32M | $7.04M |
| 7 | Aqr Capital Management LLC | 1.22M | $6.53M |
| 8 | State Street Corp | 1.01M | $5.41M |
| 9 | First Wilshire Securities Management Inc | 890.5K | $4.76M |
| 10 | Hotchkis & Wiley Capital Management LLC | 827.0K | $4.42M |