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 2024
Institutional positions in Siga Technologies Inc as of Mar 31, 2024. 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
- 144
- +14 vs. Q4 2023
- Shares held
- 33.6M
- −487.2K (−1.4%) vs. Q4 2023
- Total value
- $288.1M
- +$97.3M (+51.0%) vs. Q4 2023
- New holders
- 25
- 43 more added
- Sold out
- 11
- 48 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pasadena Private Wealth, LLC | 77,818 | $666.1K | 0.15% | 00.0% | Unchanged |
| Swiss National Bank | 86,500 | $740.4K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 105,194 | $900.5K | 0.01% | +105,194 | New |
| Citadel Advisors LLC | 110,259 | $943.8K | 0.00% | −77,001−41.1% | Reduced |
| First Trust Advisors LP | 111,816 | $957.1K | 0.00% | +3,430+3.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 123,451 | $1.06M | 0.00% | +123,451 | New |
| Credit Suisse AG | 128,954 | $1.10M | 0.00% | −16,912−11.6% | Reduced |
| Los Angeles Capital Management LLC | 132,443 | $1.13M | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 135,205 | $1.16M | 0.00% | +123,871+1,092.9% | Added |
| Nuveen Asset Management, LLC | 137,088 | $1.17M | 0.00% | −14,472−9.5% | Reduced |
| State of Wisconsin Investment Board | 143,120 | $1.23M | 0.00% | +50,077+53.8% | Added |
| Hillsdale Investment Management Inc. | 159,703 | $1.37M | 0.11% | +159,703 | New |
| Macquarie Group Ltd | 171,378 | $1.47M | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 175,851 | $1.51M | 0.00% | −24,738−12.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 177,176 | $1.52M | 0.13% | −41,777−19.1% | Reduced |
| Bank of New York Mellon Corp | 179,052 | $1.53M | 0.00% | −33,441−15.7% | Reduced |
| Invesco Ltd. | 184,269 | $1.58M | 0.00% | +100,101+118.9% | Added |
| American Century Companies Inc | 239,668 | $2.05M | 0.00% | −9,134−3.7% | Reduced |
| Ameriprise Financial Inc | 281,520 | $2.41M | 0.00% | −6,138−2.1% | Reduced |
| Charles Schwab Investment Management Inc | 331,499 | $2.84M | 0.00% | +20,650+6.6% | Added |
| Marshall Wace, LLP | 368,524 | $3.15M | 0.01% | +368,524 | New |
| New York State Common Retirement Fund | 379,474 | $3.25M | 0.00% | 00.0% | Unchanged |
| Legato Capital Management LLC | 403,087 | $3.45M | 0.42% | 00.0% | Unchanged |
| Price Jennifer C. | 420,000 | $3.60M | 3.39% | −38,700−8.4% | Reduced |
| Bank of America Corp | 441,022 | $3.78M | 0.00% | +150,597+51.9% | Added |
| Northern Trust Corp | 483,251 | $4.14M | 0.00% | −6,980−1.4% | Reduced |
| D. E. Shaw & Co., Inc. | 548,238 | $4.69M | 0.01% | −163,491−23.0% | Reduced |
| Uniplan Investment Counsel, Inc. | 573,700 | $4.91M | 0.39% | +2,023+0.4% | Added |
| Morgan Stanley | 583,144 | $4.99M | 0.00% | +180,271+44.7% | Added |
| Arrowstreet Capital, Limited Partnership | 587,573 | $5.03M | 0.00% | +587,573 | New |
| General American Investors Co Inc | 741,727 | $6.35M | 0.47% | −51,315−6.5% | Reduced |
| Jupiter Asset Management Ltd | 1,003,981 | $8.59M | 0.08% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,038,801 | $8.89M | 0.00% | +17,148+1.7% | Added |
| Royce & Associates LP | 1,073,743 | $9.19M | 0.08% | −682,568−38.9% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 1,091,160 | $9.34M | 0.03% | +66,200+6.5% | Added |
| State Street Corp | 1,104,405 | $10.1M | 0.00% | +50,545+4.8% | Added |
| Goldman Sachs Group Inc | 1,528,010 | $13.1M | 0.00% | −119,445−7.3% | Reduced |
| Federated Hermes, Inc. | 1,576,585 | $13.5M | 0.03% | −1,643,263−51.0% | Reduced |
| Dimensional Fund Advisors LP | 1,687,905 | $14.4M | 0.00% | −10,249−0.6% | Reduced |
| AltraVue Capital, LLC | 2,043,196 | $17.5M | 1.90% | 00.0% | Unchanged |
| Kempen Capital Management N.V. | 2,203,508 | $18.9M | 0.23% | −70,851−3.1% | Reduced |
| Vanguard Group Inc | 2,283,612 | $19.5M | 0.00% | +41,515+1.9% | Added |
| First Wilshire Securities Management Inc | 2,654,255 | $22.7M | 6.65% | +292,148+12.4% | Added |
| BlackRock Inc. | 3,455,309 | $29.6M | 0.00% | −58,581−1.7% | Reduced |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −65,011−100.0% | Sold out |
| Northern Right Capital Management, L.P. | 0 | $0 | 0.00% | −34,530−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −25,693−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −15,834−100.0% | Sold out |
| Quadcap Wealth Management, LLC | 0 | $0 | 0.00% | −14,014−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −13,360−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −6,038−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −3,200−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −281−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Financial Synergies Wealth Advisors, Inc. | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| NinePointTwo Capital | – | – | – | – | Not filed |