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; 160 institutions reported holding it in 13F filings for Q2 2026, worth $126.9M in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Siga Technologies Inc as of Jun 30, 2021. 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
- 102
- −3 vs. Q1 2021
- Shares held
- 20.4M
- −1.10M (−5.1%) vs. Q1 2021
- Total value
- $128.2M
- −$11.6M (−8.3%) vs. Q1 2021
- New holders
- 16
- 35 more added
- Sold out
- 19
- 33 more reduced
Compare with Q1 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 | 160 | $126.9M |
| 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, Q2 2021
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,372,679 | $14.9M | 0.00% | −210,369−8.1% | Reduced |
| BlackRock Inc. | 3,932,906 | $24.7M | 0.00% | −755,535−16.1% | Reduced |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −647,100−100.0% | Sold out |
| Jet Capital Investors L P | 0 | $0 | 0.00% | −565,278−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −110,500−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −75,600−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −40,180−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −30,227−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −23,600−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −23,408−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −17,987−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −15,807−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −14,870−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −11,624−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,798−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,800−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −10,030−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −10,033−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −6,460−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −2,055−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,067−100.0% | Sold out |