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, 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 | 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, 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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,455,309 | $29.6M | 0.00% | −58,581−1.7% | Reduced |
| First Wilshire Securities Management Inc | 2,654,255 | $22.7M | 6.65% | +292,148+12.4% | Added |
| Vanguard Group Inc | 2,283,612 | $19.5M | 0.00% | +41,515+1.9% | Added |
| Kempen Capital Management N.V. | 2,203,508 | $18.9M | 0.23% | −70,851−3.1% | Reduced |
| AltraVue Capital, LLC | 2,043,196 | $17.5M | 1.90% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,687,905 | $14.4M | 0.00% | −10,249−0.6% | Reduced |
| Federated Hermes, Inc. | 1,576,585 | $13.5M | 0.03% | −1,643,263−51.0% | Reduced |
| Goldman Sachs Group Inc | 1,528,010 | $13.1M | 0.00% | −119,445−7.3% | Reduced |
| State Street Corp | 1,104,405 | $10.1M | 0.00% | +50,545+4.8% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,091,160 | $9.34M | 0.03% | +66,200+6.5% | Added |
| Royce & Associates LP | 1,073,743 | $9.19M | 0.08% | −682,568−38.9% | Reduced |
| Geode Capital Management, LLC | 1,038,801 | $8.89M | 0.00% | +17,148+1.7% | Added |
| Jupiter Asset Management Ltd | 1,003,981 | $8.59M | 0.08% | 00.0% | Unchanged |
| General American Investors Co Inc | 741,727 | $6.35M | 0.47% | −51,315−6.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 587,573 | $5.03M | 0.00% | +587,573 | New |
| Morgan Stanley | 583,144 | $4.99M | 0.00% | +180,271+44.7% | Added |
| Uniplan Investment Counsel, Inc. | 573,700 | $4.91M | 0.39% | +2,023+0.4% | Added |
| D. E. Shaw & Co., Inc. | 548,238 | $4.69M | 0.01% | −163,491−23.0% | Reduced |
| Northern Trust Corp | 483,251 | $4.14M | 0.00% | −6,980−1.4% | Reduced |
| Bank of America Corp | 441,022 | $3.78M | 0.00% | +150,597+51.9% | Added |
| Price Jennifer C. | 420,000 | $3.60M | 3.39% | −38,700−8.4% | Reduced |
| Legato Capital Management LLC | 403,087 | $3.45M | 0.42% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 379,474 | $3.25M | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 368,524 | $3.15M | 0.01% | +368,524 | New |
| Charles Schwab Investment Management Inc | 331,499 | $2.84M | 0.00% | +20,650+6.6% | Added |
| Ameriprise Financial Inc | 281,520 | $2.41M | 0.00% | −6,138−2.1% | Reduced |
| American Century Companies Inc | 239,668 | $2.05M | 0.00% | −9,134−3.7% | Reduced |
| Invesco Ltd. | 184,269 | $1.58M | 0.00% | +100,101+118.9% | Added |
| Bank of New York Mellon Corp | 179,052 | $1.53M | 0.00% | −33,441−15.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 177,176 | $1.52M | 0.13% | −41,777−19.1% | Reduced |
| Victory Capital Management Inc | 175,851 | $1.51M | 0.00% | −24,738−12.3% | Reduced |
| Macquarie Group Ltd | 171,378 | $1.47M | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 159,703 | $1.37M | 0.11% | +159,703 | New |
| State of Wisconsin Investment Board | 143,120 | $1.23M | 0.00% | +50,077+53.8% | Added |
| Nuveen Asset Management, LLC | 137,088 | $1.17M | 0.00% | −14,472−9.5% | Reduced |
| Millennium Management LLC | 135,205 | $1.16M | 0.00% | +123,871+1,092.9% | Added |
| Los Angeles Capital Management LLC | 132,443 | $1.13M | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 128,954 | $1.10M | 0.00% | −16,912−11.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 123,451 | $1.06M | 0.00% | +123,451 | New |
| First Trust Advisors LP | 111,816 | $957.1K | 0.00% | +3,430+3.2% | Added |
| Citadel Advisors LLC | 110,259 | $943.8K | 0.00% | −77,001−41.1% | Reduced |
| Cubist Systematic Strategies, LLC | 105,194 | $900.5K | 0.01% | +105,194 | New |
| Swiss National Bank | 86,500 | $740.4K | 0.00% | 00.0% | Unchanged |
| Pasadena Private Wealth, LLC | 77,818 | $666.1K | 0.15% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 74,460 | $637.4K | 0.00% | 00.0% | Unchanged |
| Teza Capital Management LLC | 73,445 | $628.7K | 0.08% | +73,445 | New |
| IMC-Chicago, LLC | 70,322 | $602.0K | 0.02% | +24,430+53.2% | Added |
| Rhumbline Advisers | 67,096 | $574.3K | 0.00% | +454+0.7% | Added |
| UBS Group AG | 64,890 | $555.5K | 0.00% | +9,584+17.3% | Added |
| Barclays PLC | 63,308 | $541.9K | 0.00% | −9,425−13.0% | Reduced |
| Simplex Trading, LLC | 62,756 | $537.0K | 0.02% | −34,239−35.3% | Reduced |
| Qube Research & Technologies Ltd | 61,387 | $525.5K | 0.00% | +14,470+30.8% | Added |
| Jane Street Group, LLC | 61,091 | $522.9K | 0.00% | +18,308+42.8% | Added |
| TRUE Private Wealth Advisors | 59,389 | $508.4K | 0.06% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 59,053 | $505.5K | 0.00% | +44,205+297.7% | Added |
| James Investment Research Inc | 53,546 | $458.4K | 0.05% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 52,929 | $453.1K | 0.00% | +15,694+42.1% | Added |
| Allspring Global Investments Holdings, LLC | 52,526 | $449.6K | 0.00% | +5,468+11.6% | Added |
| Davenport & Co LLC | 49,000 | $419.4K | 0.00% | −46,000−48.4% | Reduced |
| STRS Ohio | 48,600 | $416.0K | 0.00% | +46,000+1,769.2% | Added |
| California State Teachers Retirement System | 42,943 | $367.6K | 0.00% | −2,562−5.6% | Reduced |
| Wells Fargo & Company | 42,079 | $360.2K | 0.00% | −15,174−26.5% | Reduced |
| SEI Investments Co | 39,445 | $337.6K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 38,678 | $331.1K | 0.06% | +10,502+37.3% | Added |
| Legal & General Group Plc | 37,143 | $317.9K | 0.00% | +3,839+11.5% | Added |
| Engineers Gate Manager LP | 35,242 | $301.7K | 0.01% | +20,068+132.3% | Added |
| UBS Asset Management Americas Inc | 33,955 | $290.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 33,941 | $290.5K | 0.00% | −10,397−23.4% | Reduced |
| Group One Trading, L.P. | 33,270 | $284.8K | 0.01% | −26,920−44.7% | Reduced |
| Sherbrooke Park Advisers LLC | 31,877 | $272.9K | 0.05% | +31,877 | New |
| Price T Rowe Associates Inc | 29,180 | $250.0K | 0.00% | +2,218+8.2% | Added |
| Creative Planning | 28,867 | $247.1K | 0.00% | −9,556−24.9% | Reduced |
| Nisa Investment Advisors, LLC | 25,317 | $231.9K | 0.00% | +23,972+1,782.3% | Added |
| CIBC Private Wealth Group, LLC | 26,000 | $228.5K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 25,369 | $217.2K | 0.00% | −3,192−11.2% | Reduced |
| Aviva PLC | 25,269 | $216.3K | 0.00% | +25,269 | New |
| Great West Life Assurance Co | 24,836 | $212.0K | 0.00% | +22,571+996.5% | Added |
| Susquehanna International Group, LLP | 23,300 | $199.4K | 0.00% | −20,826−47.2% | Reduced |
| American International Group, Inc. | 22,708 | $194.4K | 0.00% | −195−0.9% | Reduced |
| Deutsche Bank AG | 22,450 | $192.2K | 0.00% | +708+3.3% | Added |
| Metis Global Partners, LLC | 20,164 | $172.6K | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 19,966 | $170.9K | 0.00% | −7,167−26.4% | Reduced |
| Janus Henderson Group PLC | 19,789 | $169.1K | 0.00% | +50.0% | Added |
| Manufacturers Life Insurance Company, The | 18,577 | $159.0K | 0.00% | −1,227−6.2% | Reduced |
| Renaissance Technologies LLC | 18,436 | $158.0K | 0.00% | +18,436 | New |
| Principal Financial Group Inc | 18,373 | $157.3K | 0.00% | −39,408−68.2% | Reduced |
| Toroso Investments, LLC | 18,295 | $156.6K | 0.00% | +18,295 | New |
| Walleye Capital LLC | 16,945 | $145.0K | 0.00% | +13,603+407.0% | Added |
| Voya Investment Management LLC | 16,539 | $141.6K | 0.00% | −3,100−15.8% | Reduced |
| Quantbot Technologies LP | 16,200 | $138.7K | 0.01% | +16,200 | New |
| Wedbush Securities Inc | 15,914 | $136.0K | 0.01% | +2,335+17.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 21,861 | $130.8K | 0.00% | +335+1.6% | Added |
| Centiva Capital, LP | 14,577 | $124.8K | 0.01% | +14,577 | New |
| China Universal Asset Management Co., Ltd. | 13,660 | $124.5K | 0.02% | +5,435+66.1% | Added |
| Bailard, Inc. | 14,300 | $122.4K | 0.00% | +14,300 | New |
| Gotham Asset Management, LLC | 14,000 | $119.8K | 0.00% | −3,340−19.3% | Reduced |
| Onyx Bridge Wealth Group LLC | 13,000 | $114.3K | 0.02% | +1,700+15.0% | Added |
| ProShare Advisors LLC | 13,261 | $113.5K | 0.00% | +1,092+9.0% | Added |
| Wolverine Trading, LLC | 13,136 | $112.4K | 0.00% | +2,567+24.3% | Added |
| EntryPoint Capital, LLC | 12,986 | $111.2K | 0.10% | +12,986 | New |