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, Q4 2021
Institutional positions in Siga Technologies Inc as of Dec 31, 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
- 116
- +12 vs. Q3 2021
- Shares held
- 22.2M
- +566.6K (+2.6%) vs. Q3 2021
- Total value
- $166.7M
- +$7.12M (+4.5%) vs. Q3 2021
- New holders
- 21
- 34 more added
- Sold out
- 9
- 41 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 292,004 | $2.19M | 0.00% | +1,279+0.4% | Added |
| Russell Investments Group, Ltd. | 299,350 | $2.25M | 0.00% | −168,824−36.1% | Reduced |
| New York State Common Retirement Fund | 429,997 | $3.23M | 0.00% | −1270.0% | Reduced |
| Northern Trust Corp | 455,890 | $3.43M | 0.00% | −22,873−4.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 467,770 | $3.52M | 0.00% | +467,770 | New |
| Royce & Associates LP | 541,514 | $4.07M | 0.03% | −939−0.2% | Reduced |
| Legato Capital Management LLC | 542,010 | $4.08M | 0.75% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 807,067 | $6.07M | 0.00% | −22,397−2.7% | Reduced |
| Renaissance Technologies LLC | 893,504 | $6.72M | 0.01% | +276,814+44.9% | Added |
| Dimensional Fund Advisors LP | 907,833 | $6.83M | 0.00% | +105,566+13.2% | Added |
| State Street Corp | 1,047,062 | $7.87M | 0.00% | −4,828−0.5% | Reduced |
| Price Michael F | 1,148,577 | $8.64M | 0.96% | −57,323−4.8% | Reduced |
| Kempen Capital Management N.V. | 1,152,559 | $8.67M | 0.27% | +193,954+20.2% | Added |
| Vanguard Group Inc | 2,234,678 | $16.8M | 0.00% | −3,096−0.1% | Reduced |
| AltraVue Capital, LLC | 2,499,226 | $18.8M | 2.49% | −1,550−0.1% | Reduced |
| BlackRock Inc. | 3,725,323 | $28.0M | 0.00% | −371,680−9.1% | Reduced |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −60,340−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −37,316−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −36,700−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −21,800−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −13,627−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,715−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −373−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |