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 2024
Institutional positions in Siga Technologies Inc as of Jun 30, 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
- 151
- +9 vs. Q1 2024
- Shares held
- 33.8M
- +360.4K (+1.1%) vs. Q1 2024
- Total value
- $256.6M
- −$30.3M (−10.6%) vs. Q1 2024
- New holders
- 31
- 54 more added
- Sold out
- 22
- 41 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 74,847 | $568.1K | 0.00% | +15,794+26.7% | Added |
| Allspring Global Investments Holdings, LLC | 77,639 | $589.3K | 0.00% | +25,113+47.8% | Added |
| Barclays PLC | 78,193 | $593.5K | 0.00% | +14,885+23.5% | Added |
| Swiss National Bank | 83,900 | $636.8K | 0.00% | −2,600−3.0% | Reduced |
| Aviva PLC | 86,894 | $659.5K | 0.00% | +61,625+243.9% | Added |
| Renaissance Technologies LLC | 92,936 | $705.4K | 0.00% | +74,500+404.1% | Added |
| LSV Asset Management | 106,388 | $807.0K | 0.00% | +106,388 | New |
| UBS Asset Management Americas Inc | 107,441 | $815.5K | 0.00% | +73,486+216.4% | Added |
| Jane Street Group, LLC | 108,098 | $820.5K | 0.00% | +47,007+76.9% | Added |
| First Trust Advisors LP | 113,010 | $857.7K | 0.00% | +1,194+1.1% | Added |
| Los Angeles Capital Management LLC | 117,143 | $889.1K | 0.00% | −15,300−11.6% | Reduced |
| Citadel Advisors LLC | 121,590 | $922.9K | 0.00% | +11,331+10.3% | Added |
| Simplex Trading, LLC | 126,812 | $962.0K | 0.03% | +64,056+102.1% | Added |
| Marshall Wace, LLP | 134,285 | $1.02M | 0.00% | −234,239−63.6% | Reduced |
| Qube Research & Technologies Ltd | 135,284 | $1.03M | 0.00% | +73,897+120.4% | Added |
| Winton Group Ltd | 138,660 | $1.05M | 0.07% | +138,660 | New |
| Nuveen Asset Management, LLC | 148,721 | $1.13M | 0.00% | +11,633+8.5% | Added |
| Ameriprise Financial Inc | 153,377 | $1.16M | 0.00% | −128,143−45.5% | Reduced |
| Macquarie Group Ltd | 171,378 | $1.30M | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 186,981 | $1.42M | 0.00% | +2,712+1.5% | Added |
| Bank of New York Mellon Corp | 194,817 | $1.48M | 0.00% | +15,765+8.8% | Added |
| Denali Advisors LLC | 239,100 | $1.81M | 0.50% | +239,100 | New |
| Trexquant Investment LP | 242,313 | $1.84M | 0.03% | +242,313 | New |
| Victory Capital Management Inc | 244,857 | $1.86M | 0.00% | +69,006+39.2% | Added |
| Bank of America Corp | 266,552 | $2.02M | 0.00% | −174,470−39.6% | Reduced |
| State of Wisconsin Investment Board | 310,777 | $2.36M | 0.01% | +167,657+117.1% | Added |
| Segall Bryant & Hamill, LLC | 319,364 | $2.42M | 0.04% | +319,364 | New |
| Morgan Stanley | 343,842 | $2.61M | 0.00% | −239,302−41.0% | Reduced |
| Uniplan Investment Counsel, Inc. | 346,956 | $2.63M | 0.24% | −226,744−39.5% | Reduced |
| Price Jennifer C. | 360,000 | $2.73M | 3.28% | −60,000−14.3% | Reduced |
| Legato Capital Management LLC | 437,358 | $3.32M | 0.45% | +34,271+8.5% | Added |
| Northern Trust Corp | 463,728 | $3.52M | 0.00% | −19,523−4.0% | Reduced |
| New York State Common Retirement Fund | 468,774 | $3.56M | 0.00% | +89,300+23.5% | Added |
| Charles Schwab Investment Management Inc | 483,161 | $3.67M | 0.00% | +151,662+45.8% | Added |
| Arrowstreet Capital, Limited Partnership | 600,739 | $4.56M | 0.00% | +13,166+2.2% | Added |
| General American Investors Co Inc | 746,646 | $5.67M | 0.40% | +4,919+0.7% | Added |
| Hotchkis & Wiley Capital Management LLC | 810,820 | $6.15M | 0.02% | −280,340−25.7% | Reduced |
| American Century Companies Inc | 841,759 | $6.39M | 0.00% | +602,091+251.2% | Added |
| Goldman Sachs Group Inc | 854,351 | $6.48M | 0.00% | −673,659−44.1% | Reduced |
| Royce & Associates LP | 866,256 | $6.57M | 0.06% | −207,487−19.3% | Reduced |
| Jupiter Asset Management Ltd | 1,003,981 | $7.62M | 0.07% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,014,734 | $7.70M | 0.02% | −561,851−35.6% | Reduced |
| Geode Capital Management, LLC | 1,046,399 | $7.94M | 0.00% | +7,598+0.7% | Added |
| D. E. Shaw & Co., Inc. | 1,074,091 | $8.15M | 0.01% | +525,853+95.9% | Added |
| State Street Corp | 1,129,166 | $8.57M | 0.00% | +24,761+2.2% | Added |
| Kempen Capital Management N.V. | 1,717,843 | $13.0M | 0.15% | −485,665−22.0% | Reduced |
| Dimensional Fund Advisors LP | 1,821,788 | $13.8M | 0.00% | +133,883+7.9% | Added |
| AltraVue Capital, LLC | 2,177,646 | $16.5M | 1.64% | +134,450+6.6% | Added |
| Vanguard Group Inc | 2,441,408 | $18.5M | 0.00% | +157,796+6.9% | Added |
| First Wilshire Securities Management Inc | 2,636,585 | $20.0M | 6.12% | −17,670−0.7% | Reduced |
| BlackRock Inc. | 3,913,703 | $29.7M | 0.00% | +458,394+13.3% | Added |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −159,703−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −105,194−100.0% | Sold out |
| Pasadena Private Wealth, LLC | 0 | $0 | 0.00% | −77,818−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −70,322−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −52,929−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −33,270−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −31,877−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −23,300−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −22,708−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −18,373−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −16,945−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −16,200−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −12,986−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −11,502−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −7,386−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −3,382−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,607−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −941−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |
| Steward Partners Investment Solutions, LLC | – | – | – | – | Not filed |