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, Q4 2024
Institutional positions in Siga Technologies Inc as of Dec 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
- 170
- +3 vs. Q3 2024
- Shares held
- 34.6M
- −1.02M (−2.9%) vs. Q3 2024
- Total value
- $208.0M
- −$32.5M (−13.5%) vs. Q3 2024
- New holders
- 25
- 62 more added
- Sold out
- 22
- 51 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,876,247 | $23.3M | 0.00% | −140,931−3.5% | Reduced |
| AltraVue Capital, LLC | 2,639,524 | $15.9M | 1.32% | +326,630+14.1% | Added |
| Vanguard Group Inc | 2,482,608 | $14.9M | 0.00% | −83,589−3.3% | Reduced |
| First Wilshire Securities Management Inc | 2,374,336 | $14.3M | 3.88% | −64,293−2.6% | Reduced |
| Dimensional Fund Advisors LP | 2,126,065 | $12.8M | 0.00% | +217,926+11.4% | Added |
| Hotchkis & Wiley Capital Management LLC | 2,065,240 | $12.4M | 0.04% | +16,800+0.8% | Added |
| American Century Companies Inc | 1,271,972 | $7.64M | 0.00% | +114,270+9.9% | Added |
| State Street Corp | 1,157,127 | $6.95M | 0.00% | +59,314+5.4% | Added |
| Geode Capital Management, LLC | 1,132,397 | $6.81M | 0.00% | +19,654+1.8% | Added |
| Citadel Advisors LLC | 1,051,903 | $6.32M | 0.01% | −16,668−1.6% | Reduced |
| Jupiter Asset Management Ltd | 990,648 | $5.95M | 0.06% | 00.0% | Unchanged |
| Royce & Associates LP | 844,320 | $5.07M | 0.05% | −14,486−1.7% | Reduced |
| D. E. Shaw & Co., Inc. | 592,660 | $3.56M | 0.00% | −87,853−12.9% | Reduced |
| New York State Common Retirement Fund | 589,620 | $3.54M | 0.00% | +94,490+19.1% | Added |
| General American Investors Co Inc | 539,738 | $3.24M | 0.23% | 00.0% | Unchanged |
| Legato Capital Management LLC | 532,441 | $3.20M | 0.42% | +65,800+14.1% | Added |
| Macquarie Group Ltd | 528,691 | $3.18M | 0.00% | +42,448+8.7% | Added |
| Uniplan Investment Counsel, Inc. | 500,989 | $3.01M | 0.28% | −5,400−1.1% | Reduced |
| Northern Trust Corp | 464,808 | $2.79M | 0.00% | +26,344+6.0% | Added |
| Charles Schwab Investment Management Inc | 462,188 | $2.78M | 0.00% | −45,074−8.9% | Reduced |
| Foundry Partners, LLC | 441,729 | $2.65M | 0.13% | +26,813+6.5% | Added |
| Arrowstreet Capital, Limited Partnership | 431,773 | $2.59M | 0.00% | −375,059−46.5% | Reduced |
| Renaissance Technologies LLC | 417,436 | $2.51M | 0.00% | +293,836+237.7% | Added |
| Denali Advisors LLC | 378,544 | $2.27M | 0.24% | +139,354+58.3% | Added |
| Federated Hermes, Inc. | 360,931 | $2.17M | 0.00% | +9,075+2.6% | Added |
| Goldman Sachs Group Inc | 341,593 | $2.05M | 0.00% | +84,774+33.0% | Added |
| Segall Bryant & Hamill, LLC | 314,035 | $1.89M | 0.03% | −11,101−3.4% | Reduced |
| Victory Capital Management Inc | 308,498 | $1.85M | 0.00% | +49,355+19.0% | Added |
| State of Wisconsin Investment Board | 302,905 | $1.82M | 0.00% | −11,172−3.6% | Reduced |
| Bank of New York Mellon Corp | 289,712 | $1.74M | 0.00% | +99,670+52.4% | Added |
| Morgan Stanley | 251,654 | $1.51M | 0.00% | −71,840−22.2% | Reduced |
| Prudential Financial Inc | 188,970 | $1.14M | 0.00% | +77,400+69.4% | Added |
| Harbor Capital Advisors, Inc. | 168,478 | $1.01M | 0.04% | +5,772+3.5% | Added |
| LSV Asset Management | 161,988 | $974.0K | 0.00% | +55,600+52.3% | Added |
| Nuveen Asset Management, LLC | 148,721 | $893.8K | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 146,226 | $878.8K | 0.00% | −1,276−0.9% | Reduced |
| UBS Asset Management Americas Inc | 134,382 | $807.6K | 0.00% | +29,442+28.1% | Added |
| Invesco Ltd. | 121,280 | $728.9K | 0.00% | −12,468−9.3% | Reduced |
| Wellington Management Group LLP | 120,225 | $722.6K | 0.00% | +8,028+7.2% | Added |
| Winton Group Ltd | 101,644 | $610.9K | 0.04% | −44,331−30.4% | Reduced |
| Aviva PLC | 94,165 | $565.9K | 0.00% | +18,887+25.1% | Added |
| SummerHaven Investment Management, LLC | 93,804 | $563.8K | 0.35% | 00.0% | Unchanged |
| Barclays PLC | 87,978 | $528.7K | 0.00% | +10,166+13.1% | Added |
| Los Angeles Capital Management LLC | 87,843 | $527.9K | 0.00% | −17,300−16.5% | Reduced |
| Swiss National Bank | 83,900 | $504.2K | 0.00% | 00.0% | Unchanged |
| Martingale Asset Management L P | 83,473 | $501.7K | 0.01% | +18,058+27.6% | Added |
| KLP Kapitalforvaltning AS | 81,200 | $488.0K | 0.00% | +81,200 | New |
| Susquehanna International Group, LLP | 79,045 | $475.1K | 0.00% | +48,950+162.7% | Added |
| Franklin Resources Inc | 74,596 | $448.3K | 0.00% | +28,615+62.2% | Added |
| Ashton Thomas Private Wealth, LLC | 70,292 | $422.5K | 0.02% | +70,292 | New |
| Simplex Trading, LLC | 68,869 | $413.0K | 0.01% | +34,072+97.9% | Added |
| Millennium Management LLC | 67,735 | $407.1K | 0.00% | −459,831−87.2% | Reduced |
| Rhumbline Advisers | 67,119 | $403.4K | 0.00% | −842−1.2% | Reduced |
| STRS Ohio | 67,100 | $403.3K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 65,110 | $391.3K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 62,609 | $376.3K | 0.00% | +30,310+93.8% | Added |
| Legal & General Group Plc | 59,944 | $360.3K | 0.00% | +8,906+17.4% | Added |
| Penn Mutual Asset Management, LLC | 58,280 | $350.3K | 0.63% | −26,800−31.5% | Reduced |
| Ameriprise Financial Inc | 55,752 | $335.1K | 0.00% | −8,897−13.8% | Reduced |
| James Investment Research Inc | 53,546 | $321.8K | 0.04% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 50,940 | $306.1K | 0.00% | +50,940 | New |
| Allianz Asset Management GmbH | 50,100 | $301.1K | 0.00% | +37,200+288.4% | Added |
| Exchange Traded Concepts, LLC | 49,179 | $295.6K | 0.01% | +13,807+39.0% | Added |
| Vestcor Inc | 48,177 | $290.0K | 0.01% | +48,177 | New |
| Citigroup Inc | 47,374 | $284.7K | 0.00% | −3,781−7.4% | Reduced |
| State of Wyoming | 45,668 | $274.5K | 0.04% | +28,339+163.5% | Added |
| Alps Advisors Inc | 44,250 | $265.9K | 0.00% | −500−1.1% | Reduced |
| ExodusPoint Capital Management, LP | 44,017 | $265.0K | 0.00% | +44,017 | New |
| FMR LLC | 42,118 | $253.1K | 0.00% | +24,042+133.0% | Added |
| Deutsche Bank AG | 41,804 | $251.2K | 0.00% | +14,527+53.3% | Added |
| California State Teachers Retirement System | 40,272 | $242.0K | 0.00% | −339−0.8% | Reduced |
| Price T Rowe Associates Inc | 40,005 | $241.0K | 0.00% | +8,290+26.1% | Added |
| Teza Capital Management LLC | 39,373 | $236.6K | 0.04% | −4,328−9.9% | Reduced |
| Creative Planning | 39,247 | $235.9K | 0.00% | +110+0.3% | Added |
| Group One Trading, L.P. | 35,827 | $215.3K | 0.01% | +23,380+187.8% | Added |
| Cornercap Investment Counsel Inc | 34,894 | $209.7K | 0.07% | 00.0% | Unchanged |
| Jane Street Group, LLC | 34,182 | $205.4K | 0.00% | −124,737−78.5% | Reduced |
| Oxford Asset Management LLP | 33,735 | $202.7K | 0.09% | +33,735 | New |
| Engineers Gate Manager LP | 31,638 | $190.1K | 0.00% | −26,013−45.1% | Reduced |
| Davenport & Co LLC | 31,500 | $189.3K | 0.00% | +19,762+168.4% | Added |
| Allspring Global Investments Holdings, LLC | 31,183 | $187.4K | 0.00% | −180,053−85.2% | Reduced |
| State of Tennessee, Treasury Department | 30,829 | $185.3K | 0.00% | +30,829 | New |
| Cresset Asset Management, LLC | 28,355 | $170.4K | 0.00% | −731−2.5% | Reduced |
| Significant Wealth Partners LLC | 28,217 | $169.6K | 0.09% | +28,217 | New |
| MetLife Investment Management | 27,976 | $168.1K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 27,298 | $164.1K | 0.00% | −43,001−61.2% | Reduced |
| Bank of America Corp | 27,220 | $163.6K | 0.00% | −367,682−93.1% | Reduced |
| CIBC Private Wealth Group, LLC | 26,000 | $163.3K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 26,423 | $158.8K | 0.00% | +1,140+4.5% | Added |
| Cim Investment Mangement Inc | 25,825 | $155.2K | 0.05% | 00.0% | Unchanged |
| Intech Investment Management LLC | 25,280 | $151.9K | 0.00% | +7,461+41.9% | Added |
| Eqis Capital Management, Inc. | 24,593 | $147.8K | 0.01% | +1,320+5.7% | Added |
| Linden Thomas Advisory Services, LLC | 24,292 | $146.0K | 0.02% | +4,315+21.6% | Added |
| Principal Financial Group Inc | 23,927 | $143.8K | 0.00% | +1,784+8.1% | Added |
| Wells Fargo & Company | 23,604 | $141.9K | 0.00% | +5,400+29.7% | Added |
| Corebridge Financial, Inc. | 23,026 | $138.4K | 0.00% | −1,738−7.0% | Reduced |
| SG Americas Securities, LLC | 22,819 | $137.0K | 0.00% | +1,652+7.8% | Added |
| Lazard Asset Management LLC | 22,189 | $132.0K | 0.00% | +272+1.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,057 | $126.6K | 0.00% | +7,373+53.9% | Added |
| Metis Global Partners, LLC | 20,164 | $121.2K | 0.00% | 00.0% | Unchanged |