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 2022
Institutional positions in Siga Technologies Inc as of Jun 30, 2022. 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
- 142
- +36 vs. Q1 2022
- Shares held
- 26.1M
- +6.13M (+30.7%) vs. Q1 2022
- Total value
- $302.3M
- +$160.9M (+113.8%) vs. Q1 2022
- New holders
- 43
- 28 more added
- Sold out
- 7
- 51 more reduced
4 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,419,333 | $39.6M | 0.00% | −168,522−4.7% | Reduced |
| D. E. Shaw & Co., Inc. | 3,216,528 | $37.2M | 0.06% | +3,072,322+2,130.5% | Added |
| Vanguard Group Inc | 2,159,386 | $25.0M | 0.00% | −75,131−3.4% | Reduced |
| AltraVue Capital, LLC | 1,862,476 | $21.6M | 3.17% | −609,490−24.7% | Reduced |
| Kempen Capital Management N.V. | 1,461,871 | $16.9M | 0.61% | +84,889+6.2% | Added |
| Dimensional Fund Advisors LP | 1,138,032 | $13.2M | 0.00% | +185,398+19.5% | Added |
| State Street Corp | 992,844 | $11.5M | 0.00% | −71,363−6.7% | Reduced |
| Marshall Wace, LLP | 878,129 | $10.2M | 0.02% | +878,129 | New |
| Price Jennifer C. | 804,559 | $9.32M | 1.59% | +804,559 | New |
| Geode Capital Management, LLC | 785,974 | $9.10M | 0.00% | −28,018−3.4% | Reduced |
| Two Sigma Investments, LP | 668,204 | $7.74M | 0.03% | +668,204 | New |
| Renaissance Technologies LLC | 637,511 | $7.38M | 0.01% | −47,803−7.0% | Reduced |
| Northern Trust Corp | 447,588 | $5.18M | 0.00% | +11,622+2.7% | Added |
| Legato Capital Management LLC | 409,310 | $4.74M | 1.06% | −132,700−24.5% | Reduced |
| Voloridge Investment Management, LLC | 405,756 | $4.70M | 0.02% | +405,756 | New |
| New York State Common Retirement Fund | 331,186 | $3.83M | 0.01% | −98,867−23.0% | Reduced |
| Cubist Systematic Strategies, LLC | 326,640 | $3.78M | 0.03% | +326,640 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 288,979 | $3.35M | 0.02% | +288,979 | New |
| Credit Suisse AG | 268,162 | $3.10M | 0.00% | +16,976+6.8% | Added |
| Two Sigma Advisers, LP | 256,300 | $2.97M | 0.01% | +256,300 | New |
| Morgan Stanley | 245,534 | $2.84M | 0.00% | +154,915+171.0% | Added |
| Invesco Ltd. | 219,489 | $2.54M | 0.00% | +130,691+147.2% | Added |
| Teacher Retirement System of Texas | 217,162 | $2.52M | 0.02% | +155,288+251.0% | Added |
| Bank of New York Mellon Corp | 213,114 | $2.47M | 0.00% | −12,163−5.4% | Reduced |
| American Century Companies Inc | 212,235 | $2.46M | 0.00% | +124,927+143.1% | Added |
| Nuveen Asset Management, LLC | 162,290 | $1.88M | 0.00% | −7,290−4.3% | Reduced |
| First Wilshire Securities Management Inc | 161,739 | $1.87M | 0.70% | +161,739 | New |
| Hillsdale Investment Management Inc. | 159,905 | $1.85M | 0.15% | 00.0% | Unchanged |
| EAM Global Investors LLC | 159,135 | $1.84M | 0.45% | +159,135 | New |
| Allspring Global Investments Holdings, LLC | 141,412 | $1.64M | 0.00% | −130,729−48.0% | Reduced |
| Globeflex Capital L P | 138,893 | $1.61M | 0.39% | −46,642−25.1% | Reduced |
| Russell Investments Group, Ltd. | 133,327 | $1.54M | 0.00% | −39,845−23.0% | Reduced |
| Royce & Associates LP | 128,682 | $1.49M | 0.02% | −324,678−71.6% | Reduced |
| Jane Street Group, LLC | 123,514 | $1.43M | 0.00% | +123,514 | New |
| Friess Associates LLC | 121,225 | $1.40M | 2.34% | +121,225 | New |
| Charles Schwab Investment Management Inc | 120,583 | $1.40M | 0.00% | −5,750−4.6% | Reduced |
| Davenport & Co LLC | 112,885 | $1.31M | 0.01% | −106,192−48.5% | Reduced |
| Ancora Advisors, LLC | 109,735 | $1.27M | 0.04% | +15,600+16.6% | Added |
| EAM Investors, LLC | 108,941 | $1.26M | 0.31% | +108,941 | New |
| Swiss National Bank | 105,100 | $1.22M | 0.00% | 00.0% | Unchanged |
| Uniplan Investment Counsel, Inc. | 103,411 | $1.20M | 0.08% | +103,411 | New |
| Goldman Sachs Group Inc | 101,138 | $1.17M | 0.00% | −24,984−19.8% | Reduced |
| Janus Henderson Group PLC | 100,941 | $1.17M | 0.00% | +100,941 | New |
| Alliancebernstein L.P. | 84,627 | $980.0K | 0.00% | +11,827+16.2% | Added |
| UBS Asset Management Americas Inc | 78,954 | $914.3K | 0.00% | −22,887−22.5% | Reduced |
| Raymond James & Associates | 71,048 | $823.0K | 0.00% | −7,027−9.0% | Reduced |
| California State Teachers Retirement System | 58,043 | $672.0K | 0.00% | −931−1.6% | Reduced |
| Rhumbline Advisers | 55,134 | $638.0K | 0.00% | +3,531+6.8% | Added |
| TRUE Private Wealth Advisors | 54,114 | $626.0K | 0.09% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 53,677 | $621.6K | 0.00% | 00.0% | Unchanged |
| James Investment Research Inc | 53,300 | $617.0K | 0.08% | 00.0% | Unchanged |
| STRS Ohio | 53,200 | $616.0K | 0.00% | −44,900−45.8% | Reduced |
| Timelo Investment Management Inc. | 50,000 | $579.0K | 0.53% | +50,000 | New |
| State of Wisconsin Investment Board | 47,626 | $552.0K | 0.00% | −16,274−25.5% | Reduced |
| Victory Capital Management Inc | 46,935 | $544.0K | 0.00% | −16,312−25.8% | Reduced |
| Simplex Trading, LLC | 44,291 | $512.0K | 0.02% | +30,610+223.7% | Added |
| Millennium Management LLC | 39,472 | $457.0K | 0.00% | +286+0.7% | Added |
| Susquehanna International Group, LLP | 39,143 | $453.0K | 0.00% | +22,782+139.2% | Added |
| JPMorgan Chase & Co | 38,755 | $449.0K | 0.00% | +5,186+15.4% | Added |
| Exchange Traded Concepts, LLC | 37,887 | $439.0K | 0.01% | −34,349−47.6% | Reduced |
| Los Angeles Capital Management LLC | 37,084 | $429.0K | 0.00% | −128,941−77.7% | Reduced |
| Alberta Investment Management Corp | 34,333 | $398.0K | 0.00% | −23,245−40.4% | Reduced |
| Campbell & CO Investment Adviser LLC | 33,778 | $391.0K | 0.11% | +10,379+44.4% | Added |
| Arrowstreet Capital, Limited Partnership | 33,423 | $387.0K | 0.00% | −36,335−52.1% | Reduced |
| Man Group plc | – | $369.0K | 0.00% | – | – |
| Tudor Investment Corp Et Al | 31,870 | $369.0K | 0.01% | +31,870 | New |
| Squarepoint Ops LLC | 30,319 | $351.0K | 0.00% | +30,319 | New |
| Qube Research & Technologies Ltd | 28,947 | $335.0K | 0.00% | +28,947 | New |
| MetLife Investment Management | 28,561 | $330.7K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 28,292 | $328.0K | 0.04% | +28,292 | New |
| O'Shaughnessy Asset Management, LLC | 26,451 | $306.0K | 0.01% | −6,071−18.7% | Reduced |
| Cambria Investment Management, L.P. | 26,075 | $302.0K | 0.04% | +26,075 | New |
| CIBC Private Wealth Group, LLC | 26,000 | $301.0K | 0.00% | −4,000−13.3% | Reduced |
| Deutsche Bank AG | 24,765 | $286.0K | 0.00% | −3,016−10.9% | Reduced |
| Westwood Holdings Group Inc. | 24,097 | $279.0K | 0.00% | +24,097 | New |
| American International Group, Inc. | 22,047 | $255.0K | 0.00% | −1,907−8.0% | Reduced |
| ETF Managers Group, LLC | 22,876 | $255.0K | 0.01% | +394+1.8% | Added |
| Price T Rowe Associates Inc | 20,784 | $241.0K | 0.00% | −9,792−32.0% | Reduced |
| Two Sigma Securities, LLC | 20,635 | $239.0K | 0.04% | +20,635 | New |
| Regions Financial Corp | 20,497 | $237.0K | 0.00% | 00.0% | Unchanged |
| Plustick Management LLC | 20,000 | $232.0K | 0.19% | +20,000 | New |
| Manufacturers Life Insurance Company, The | 20,026 | $231.9K | 0.00% | −1,257−5.9% | Reduced |
| Wells Fargo & Company | 19,287 | $224.0K | 0.00% | −74,139−79.4% | Reduced |
| Bank of America Corp | 18,795 | $218.0K | 0.00% | −57,123−75.2% | Reduced |
| Franklin Resources Inc | 18,696 | $217.0K | 0.00% | +4,493+31.6% | Added |
| Ci Investments Inc. | 18,200 | $211.0K | 0.00% | +18,200 | New |
| Voya Investment Management LLC | 18,140 | $210.0K | 0.00% | −2,186−10.8% | Reduced |
| Onyx Bridge Wealth Group LLC | 17,000 | $207.0K | 0.09% | 00.0% | Unchanged |
| Legal & General Group Plc | 16,927 | $196.0K | 0.00% | −2,411−12.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 15,648 | $181.0K | 0.00% | +15,648 | New |
| Nisa Investment Advisors, LLC | 15,413 | $178.0K | 0.00% | +11,055+253.7% | Added |
| Envestnet Asset Management Inc | 15,246 | $177.0K | 0.00% | +15,246 | New |
| SG Americas Securities, LLC | 14,272 | $165.0K | 0.00% | +14,272 | New |
| Martingale Asset Management L P | 13,977 | $162.0K | 0.00% | −56,226−80.1% | Reduced |
| Group One Trading, L.P. | 13,204 | $153.0K | 0.00% | +2,438+22.6% | Added |
| Bailard, Inc. | 13,100 | $152.0K | 0.01% | +13,100 | New |
| Lazard Asset Management LLC | 12,507 | $144.0K | 0.00% | −3,498−21.9% | Reduced |
| HRT Financial LP | 12,519 | $144.0K | 0.00% | +12,519 | New |
| Balyasny Asset Management LLC | 12,265 | $142.0K | 0.00% | +12,265 | New |
| Arizona State Retirement System | 12,051 | $140.0K | 0.00% | +30+0.2% | Added |