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 2021
Institutional positions in Siga Technologies Inc as of Dec 31, 2021. 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
- 116
- +12 vs. Q3 2021
- Shares held
- 22.2M
- +566.6K (+2.6%) vs. Q3 2021
- Total value
- $166.7M
- +$7.12M (+4.5%) vs. Q3 2021
- New holders
- 21
- 34 more added
- Sold out
- 9
- 41 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,725,323 | $28.0M | 0.00% | −371,680−9.1% | Reduced |
| AltraVue Capital, LLC | 2,499,226 | $18.8M | 2.49% | −1,550−0.1% | Reduced |
| Vanguard Group Inc | 2,234,678 | $16.8M | 0.00% | −3,096−0.1% | Reduced |
| Kempen Capital Management N.V. | 1,152,559 | $8.67M | 0.27% | +193,954+20.2% | Added |
| Price Michael F | 1,148,577 | $8.64M | 0.96% | −57,323−4.8% | Reduced |
| State Street Corp | 1,047,062 | $7.87M | 0.00% | −4,828−0.5% | Reduced |
| Dimensional Fund Advisors LP | 907,833 | $6.83M | 0.00% | +105,566+13.2% | Added |
| Renaissance Technologies LLC | 893,504 | $6.72M | 0.01% | +276,814+44.9% | Added |
| Geode Capital Management, LLC | 807,067 | $6.07M | 0.00% | −22,397−2.7% | Reduced |
| Legato Capital Management LLC | 542,010 | $4.08M | 0.75% | 00.0% | Unchanged |
| Royce & Associates LP | 541,514 | $4.07M | 0.03% | −939−0.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 467,770 | $3.52M | 0.00% | +467,770 | New |
| Northern Trust Corp | 455,890 | $3.43M | 0.00% | −22,873−4.8% | Reduced |
| New York State Common Retirement Fund | 429,997 | $3.23M | 0.00% | −1270.0% | Reduced |
| Russell Investments Group, Ltd. | 299,350 | $2.25M | 0.00% | −168,824−36.1% | Reduced |
| Goldman Sachs Group Inc | 292,004 | $2.19M | 0.00% | +1,279+0.4% | Added |
| Wells Fargo & Company | 267,152 | $2.01M | 0.00% | −358,265−57.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 233,128 | $1.75M | 0.00% | −111,906−32.4% | Reduced |
| Bank of New York Mellon Corp | 220,722 | $1.66M | 0.00% | −44,107−16.7% | Reduced |
| Davenport & Co LLC | 219,077 | $1.65M | 0.01% | 00.0% | Unchanged |
| Credit Suisse AG | 186,548 | $1.40M | 0.00% | +153,241+460.1% | Added |
| Globeflex Capital L P | 185,535 | $1.40M | 0.29% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 167,784 | $1.21M | 0.00% | −19,009−10.2% | Reduced |
| D. E. Shaw & Co., Inc. | 147,335 | $1.11M | 0.00% | +137,298+1,367.9% | Added |
| Los Angeles Capital Management LLC | 145,816 | $1.10M | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 122,529 | $922.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 110,314 | $828.0K | 0.00% | −68,238−38.2% | Reduced |
| STRS Ohio | 102,500 | $770.0K | 0.00% | +22,300+27.8% | Added |
| Raymond James & Associates | 101,075 | $760.0K | 0.00% | +78,275+343.3% | Added |
| Swiss National Bank | 99,100 | $745.0K | 0.00% | −3,300−3.2% | Reduced |
| Ancora Advisors, LLC | 94,135 | $708.0K | 0.02% | +94,135 | New |
| Parametric Portfolio Associates LLC | 92,631 | $697.0K | 0.00% | +1,362+1.5% | Added |
| Teacher Retirement System of Texas | 91,641 | $689.0K | 0.00% | +91,641 | New |
| Man Group plc | 88,400 | $665.0K | 0.00% | +47,500+116.1% | Added |
| Invesco Ltd. | 79,557 | $598.0K | 0.00% | +7,768+10.8% | Added |
| Bank of America Corp | 79,362 | $597.0K | 0.00% | +43,028+118.4% | Added |
| Millennium Management LLC | 74,220 | $558.0K | 0.00% | +10,837+17.1% | Added |
| Alliancebernstein L.P. | 72,600 | $546.0K | 0.00% | +2,000+2.8% | Added |
| Martingale Asset Management L P | 68,912 | $519.0K | 0.01% | −42−0.1% | Reduced |
| IndexIQ Advisors LLC | 64,970 | $489.0K | 0.02% | −4,199−6.1% | Reduced |
| California State Teachers Retirement System | 64,916 | $488.0K | 0.00% | −580−0.9% | Reduced |
| Victory Capital Management Inc | 63,924 | $481.0K | 0.00% | −31,924−33.3% | Reduced |
| State of Wisconsin Investment Board | 63,900 | $481.0K | 0.00% | +63,900 | New |
| JPMorgan Chase & Co | 63,149 | $476.0K | 0.00% | +35,728+130.3% | Added |
| American Century Companies Inc | 62,758 | $472.0K | 0.00% | +48,695+346.3% | Added |
| UBS Asset Management Americas Inc | 61,255 | $460.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 58,561 | $440.0K | 0.00% | +35,101+149.6% | Added |
| Alberta Investment Management Corp | 57,578 | $433.0K | 0.00% | +57,578 | New |
| TRUE Private Wealth Advisors | 54,114 | $406.0K | 0.06% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 53,677 | $403.7K | 0.00% | +53,677 | New |
| Rhumbline Advisers | 52,605 | $396.0K | 0.00% | −895−1.7% | Reduced |
| Virginia Retirement Systems Et Al | 51,100 | $384.0K | 0.00% | +5,900+13.1% | Added |
| HRT Financial LP | 46,484 | $349.0K | 0.00% | −4,666−9.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 42,400 | $319.0K | 0.01% | −1,969−4.4% | Reduced |
| Jupiter Asset Management Ltd | 39,247 | $299.0K | 0.00% | −32,960−45.6% | Reduced |
| Principal Financial Group Inc | 37,837 | $285.0K | 0.00% | +27,149+254.0% | Added |
| Deutsche Bank AG | 32,125 | $241.0K | 0.00% | +1,510+4.9% | Added |
| BNP Paribas Arbitrage, SA | 32,038 | $240.9K | 0.00% | +23,087+257.9% | Added |
| CIBC Private Wealth Group, LLC | 30,000 | $226.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 34,093 | $222.0K | 0.00% | +3,242+10.5% | Added |
| Cubist Systematic Strategies, LLC | 29,276 | $220.0K | 0.00% | +11,830+67.8% | Added |
| Manufacturers Life Insurance Company, The | 26,727 | $201.0K | 0.00% | −1,837−6.4% | Reduced |
| American International Group, Inc. | 25,639 | $193.0K | 0.00% | −1,110−4.1% | Reduced |
| Zebra Capital Management LLC | 24,745 | $186.0K | 0.30% | −2,783−10.1% | Reduced |
| ExodusPoint Capital Management, LP | 24,335 | $183.0K | 0.00% | +24,335 | New |
| Citadel Advisors LLC | 23,100 | $174.0K | 0.00% | +9,777+73.4% | Added |
| ETF Managers Group, LLC | 22,393 | $171.0K | 0.00% | −6,495−22.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 21,500 | $162.0K | 0.06% | −73,400−77.3% | Reduced |
| Winton Group Ltd | 21,064 | $158.0K | 0.01% | −84,891−80.1% | Reduced |
| UBS Group AG | 20,983 | $158.0K | 0.00% | +20,983 | New |
| ProShare Advisors LLC | 20,980 | $157.0K | 0.00% | −1,309−5.9% | Reduced |
| Regions Financial Corp | 20,497 | $154.0K | 0.00% | −1,003−4.7% | Reduced |
| Voya Investment Management LLC | 20,326 | $153.0K | 0.00% | −978−4.6% | Reduced |
| Legal & General Group Plc | 19,338 | $146.0K | 0.00% | +96+0.5% | Added |
| MetLife Investment Management | 18,339 | $137.9K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 18,224 | $137.0K | 0.00% | −15,816−46.5% | Reduced |
| Advisor Group Holdings, Inc. | 17,400 | $131.0K | 0.00% | +15,000+625.0% | Added |
| Onyx Bridge Wealth Group LLC | 17,000 | $129.0K | 0.04% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 15,389 | $116.0K | 0.00% | +12,502+433.0% | Added |
| Citigroup Inc | 15,059 | $113.0K | 0.00% | +4,760+46.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,749 | $111.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 14,785 | $111.0K | 0.00% | +7,269+96.7% | Added |
| Franklin Resources Inc | 13,984 | $106.0K | 0.00% | +183+1.3% | Added |
| Metropolitan Life Insurance Co | 13,664 | $102.8K | 0.00% | +1,535+12.7% | Added |
| Price T Rowe Associates Inc | 13,176 | $99.0K | 0.00% | −988−7.0% | Reduced |
| Cypress Capital Management LLC | 12,500 | $94.0K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 12,225 | $92.0K | 0.00% | +12,225 | New |
| Arizona State Retirement System | 12,124 | $91.0K | 0.00% | −308−2.5% | Reduced |
| Group One Trading, L.P. | 11,351 | $85.0K | 0.00% | +11,351 | New |
| Qube Research & Technologies Ltd | 10,887 | $82.0K | 0.00% | +10,887 | New |
| Vontobel Holding Ltd. | 10,753 | $81.0K | 0.00% | +10,753 | New |
| Commonwealth Equity Services, LLC | 10,290 | $77.0K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 10,033 | $75.0K | 0.00% | +10,033 | New |
| Altshuler Shaham Ltd | 6,052 | $46.0K | 0.00% | +6,052 | New |
| Clearstead Advisors, LLC | 6,000 | $45.0K | 0.00% | −1,000−14.3% | Reduced |
| Ameritas Investment Partners, Inc. | 4,584 | $34.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 3,952 | $30.0K | 0.01% | +3,952 | New |
| Great West Life Assurance Co | 3,881 | $29.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 3,500 | $26.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,998 | $15.0K | 0.00% | +1,169+141.0% | Added |