Siga Technologies Inc
SIGA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001010086
No open-market purchases or sales by Siga Technologies Inc insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.
13F holders, Q1 2022
Institutional positions in Siga Technologies Inc as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 110
- −6 vs. Q4 2021
- Shares held
- 21.2M
- −950.1K (−4.3%) vs. Q4 2021
- Total value
- $150.5M
- −$16.2M (−9.7%) vs. Q4 2021
- New holders
- 11
- 28 more added
- Sold out
- 17
- 45 more reduced
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SIGA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 161 | $127.0M |
| Q1 2026 | 183 | $184.0M |
| Q4 2025 | 200 | $219.1M |
| Q3 2025 | 197 | $311.0M |
| Q2 2025 | 178 | $224.8M |
| Q1 2025 | 167 | $192.5M |
| Q4 2024 | 170 | $208.0M |
| Q3 2024 | 169 | $240.7M |
| Q2 2024 | 151 | $256.6M |
| Q1 2024 | 144 | $288.1M |
| Q4 2023 | 131 | $190.9M |
| Q3 2023 | 129 | $180.8M |
| Q2 2023 | 131 | $168.1M |
| Q1 2023 | 142 | $182.1M |
| Q4 2022 | 160 | $227.9M |
| Q3 2022 | 155 | $296.8M |
| Q2 2022 | 142 | $302.3M |
| Q1 2022 | 110 | $150.5M |
| Q4 2021 | 116 | $166.7M |
| Q3 2021 | 104 | $159.6M |
| Q2 2021 | 102 | $128.2M |
| Q1 2021 | 105 | $139.8M |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 813,992 | $5.77M | 0.00% | +6,925+0.9% | Added |
| Dimensional Fund Advisors LP | 952,634 | $6.75M | 0.00% | +44,801+4.9% | Added |
| State Street Corp | 1,064,207 | $7.54M | 0.00% | +17,145+1.6% | Added |
| Price Michael F | 1,148,577 | $8.14M | 0.96% | 00.0% | Unchanged |
| Kempen Capital Management N.V. | 1,376,982 | $9.76M | 0.30% | +224,423+19.5% | Added |
| Vanguard Group Inc | 2,234,517 | $15.8M | 0.00% | −1610.0% | Reduced |
| AltraVue Capital, LLC | 2,471,966 | $17.5M | 2.38% | −27,260−1.1% | Reduced |
| BlackRock Inc. | 3,587,855 | $25.4M | 0.00% | −137,468−3.7% | Reduced |
| IFP Advisors, Inc | 445 | – | – | +445 | New |
| Aaron Wealth Advisors | 3,885 | – | – | +3,885 | New |
| IndexIQ Advisors LLC | 0 | $0 | 0.00% | −64,970−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −46,484−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −39,247−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −29,276−100.0% | Sold out |
| Zebra Capital Management LLC | 0 | $0 | 0.00% | −24,745−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −24,335−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −21,064−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −18,224−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −12,225−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −10,887−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −6,052−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −1,551−100.0% | Sold out |
| Graves-Light Private Wealth Management, Inc. | 0 | $0 | 0.00% | −972−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −795−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −187−100.0% | Sold out |