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, Q3 2021
Institutional positions in Siga Technologies Inc as of Sep 30, 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
- 104
- +3 vs. Q2 2021
- Shares held
- 21.6M
- +1.21M (+5.9%) vs. Q2 2021
- Total value
- $159.6M
- +$31.4M (+24.5%) vs. Q2 2021
- New holders
- 19
- 37 more added
- Sold out
- 16
- 28 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 4,097,003 | $30.3M | 0.00% | +164,097+4.2% | Added |
| AltraVue Capital, LLC | 2,500,776 | $18.5M | 2.73% | +512,030+25.7% | Added |
| Vanguard Group Inc | 2,237,774 | $16.5M | 0.00% | −134,905−5.7% | Reduced |
| Price Michael F | 1,205,900 | $8.91M | 1.03% | 00.0% | Unchanged |
| State Street Corp | 1,051,890 | $7.77M | 0.00% | −45,985−4.2% | Reduced |
| Kempen Capital Management N.V. | 958,605 | $7.08M | 0.25% | +958,605 | New |
| Geode Capital Management, LLC | 829,464 | $6.13M | 0.00% | −11,752−1.4% | Reduced |
| Dimensional Fund Advisors LP | 802,267 | $5.93M | 0.00% | +109,042+15.7% | Added |
| Wells Fargo & Company | 625,417 | $4.62M | 0.00% | −1,563−0.2% | Reduced |
| Renaissance Technologies LLC | 616,690 | $4.56M | 0.01% | −415,327−40.2% | Reduced |
| Royce & Associates LP | 542,453 | $4.01M | 0.03% | +29,366+5.7% | Added |
| Legato Capital Management LLC | 542,010 | $4.00M | 0.76% | +97,220+21.9% | Added |
| Northern Trust Corp | 478,763 | $3.54M | 0.00% | −32,752−6.4% | Reduced |
| Russell Investments Group, Ltd. | 468,174 | $3.46M | 0.01% | +468,174 | New |
| New York State Common Retirement Fund | 430,124 | $3.18M | 0.00% | +55,331+14.8% | Added |
| Arrowstreet Capital, Limited Partnership | 345,034 | $2.55M | 0.00% | −355,600−50.8% | Reduced |
| Goldman Sachs Group Inc | 290,725 | $2.15M | 0.00% | +53,934+22.8% | Added |
| Bank of New York Mellon Corp | 264,829 | $1.96M | 0.00% | +2,587+1.0% | Added |
| Davenport & Co LLC | 219,077 | $1.62M | 0.01% | 00.0% | Unchanged |
| Globeflex Capital L P | 185,535 | $1.37M | 0.30% | −181,514−49.5% | Reduced |
| Morgan Stanley | 178,552 | $1.32M | 0.00% | +60,719+51.5% | Added |
| Nuveen Asset Management, LLC | 186,793 | $1.26M | 0.00% | −91,362−32.8% | Reduced |
| Los Angeles Capital Management LLC | 145,816 | $1.08M | 0.00% | +33,096+29.4% | Added |
| Charles Schwab Investment Management Inc | 122,529 | $906.0K | 0.00% | −189,130−60.7% | Reduced |
| Winton Group Ltd | 105,955 | $783.0K | 0.04% | +16,646+18.6% | Added |
| Swiss National Bank | 102,400 | $757.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 95,848 | $708.0K | 0.00% | −9,826−9.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 94,900 | $701.0K | 0.23% | +53,500+129.2% | Added |
| Parametric Portfolio Associates LLC | 91,269 | $674.0K | 0.00% | +33,287+57.4% | Added |
| STRS Ohio | 80,200 | $592.0K | 0.00% | +60,000+297.0% | Added |
| Jupiter Asset Management Ltd | 72,207 | $534.0K | 0.01% | +60,129+497.8% | Added |
| Invesco Ltd. | 71,789 | $530.0K | 0.00% | +4,951+7.4% | Added |
| Alliancebernstein L.P. | 70,600 | $522.0K | 0.00% | 00.0% | Unchanged |
| IndexIQ Advisors LLC | 69,169 | $511.0K | 0.02% | +6,928+11.1% | Added |
| Martingale Asset Management L P | 68,954 | $511.0K | 0.01% | +40,200+139.8% | Added |
| California State Teachers Retirement System | 65,496 | $484.0K | 0.00% | −2,995−4.4% | Reduced |
| Millennium Management LLC | 63,383 | $468.0K | 0.00% | −61,147−49.1% | Reduced |
| UBS Asset Management Americas Inc | 61,255 | $452.7K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 60,340 | $446.0K | 0.00% | −7,317−10.8% | Reduced |
| TRUE Private Wealth Advisors | 54,114 | $399.0K | 0.06% | 00.0% | Unchanged |
| Rhumbline Advisers | 53,500 | $395.0K | 0.00% | +361+0.7% | Added |
| HRT Financial LP | 51,150 | $377.0K | 0.00% | +3,256+6.8% | Added |
| Virginia Retirement Systems Et Al | 45,200 | $334.0K | 0.00% | +26,400+140.4% | Added |
| O'Shaughnessy Asset Management, LLC | 44,369 | $328.0K | 0.01% | +5,262+13.5% | Added |
| Man Group plc | 40,900 | $302.0K | 0.00% | +40,900 | New |
| Mackenzie Financial Corp | 37,316 | $276.0K | 0.00% | +1,226+3.4% | Added |
| Summit Global Investments | 36,700 | $271.0K | 0.02% | +36,700 | New |
| Bank of America Corp | 36,334 | $268.0K | 0.00% | +12,226+50.7% | Added |
| SG Americas Securities, LLC | 34,040 | $252.0K | 0.00% | +34,040 | New |
| Credit Suisse AG | 33,307 | $247.0K | 0.00% | +1,635+5.2% | Added |
| Nisa Investment Advisors, LLC | 30,851 | $228.0K | 0.00% | −28,584−48.1% | Reduced |
| Deutsche Bank AG | 30,615 | $227.0K | 0.00% | −1,216−3.8% | Reduced |
| CIBC Private Wealth Group, LLC | 30,000 | $222.0K | 0.00% | +30,000 | New |
| Manufacturers Life Insurance Company, The | 28,564 | $211.0K | 0.00% | −3,630−11.3% | Reduced |
| ETF Managers Group, LLC | 28,888 | $211.0K | 0.00% | +6,456+28.8% | Added |
| Zebra Capital Management LLC | 27,528 | $204.0K | 0.25% | +13,069+90.4% | Added |
| JPMorgan Chase & Co | 27,421 | $203.0K | 0.00% | +4,474+19.5% | Added |
| American International Group, Inc. | 26,749 | $198.0K | 0.00% | −996−3.6% | Reduced |
| Barclays PLC | 23,460 | $174.0K | 0.00% | +15,989+214.0% | Added |
| Raymond James & Associates | 22,800 | $168.0K | 0.00% | +22,800 | New |
| ProShare Advisors LLC | 22,289 | $165.0K | 0.00% | −4,224−15.9% | Reduced |
| Ergoteles LLC | 21,800 | $161.0K | 0.01% | −900−4.0% | Reduced |
| Regions Financial Corp | 21,500 | $159.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,304 | $157.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 19,242 | $142.0K | 0.00% | +8,937+86.7% | Added |
| MetLife Investment Management | 18,339 | $135.5K | 0.00% | +18,339 | New |
| Cubist Systematic Strategies, LLC | 17,446 | $129.0K | 0.00% | +17,446 | New |
| Onyx Bridge Wealth Group LLC | 17,000 | $118.0K | 0.04% | +17,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,749 | $109.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 14,164 | $105.0K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 14,063 | $104.0K | 0.00% | +14,063 | New |
| Franklin Resources Inc | 13,801 | $102.0K | 0.00% | +65+0.5% | Added |
| Gsa Capital Partners LLP | 13,627 | $101.0K | 0.01% | +13,627 | New |
| Citadel Advisors LLC | 13,323 | $98.0K | 0.00% | +13,323 | New |
| Arizona State Retirement System | 12,432 | $92.0K | 0.00% | −192−1.5% | Reduced |
| Metropolitan Life Insurance Co | 12,129 | $89.6K | 0.00% | +12,129 | New |
| Cypress Capital Management LLC | 12,500 | $79.0K | 0.01% | 00.0% | Unchanged |
| Principal Financial Group Inc | 10,688 | $79.0K | 0.00% | +10,688 | New |
| Commonwealth Equity Services, LLC | 10,290 | $76.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 10,299 | $76.0K | 0.00% | +1,575+18.1% | Added |
| D. E. Shaw & Co., Inc. | 10,037 | $74.0K | 0.00% | −47,121−82.4% | Reduced |
| BNP Paribas Arbitrage, SA | 8,951 | $66.1K | 0.00% | +7,079+378.2% | Added |
| Royal Bank of Canada | 7,516 | $56.0K | 0.00% | +2,126+39.4% | Added |
| Clearstead Advisors, LLC | 7,000 | $52.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,584 | $34.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Tower Research Capital LLC (TRC) | 2,887 | $22.0K | 0.00% | −1,478−33.9% | Reduced |
| Advisor Group Holdings, Inc. | 2,400 | $18.0K | 0.00% | −110−4.4% | Reduced |
| Jacobi Capital Management LLC | 2,500 | $18.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 1,715 | $12.0K | 0.00% | −15−0.9% | Reduced |
| Macquarie Group Ltd | 1,355 | $10.0K | 0.00% | 00.0% | Unchanged |
| Graves-Light Private Wealth Management, Inc. | 1,200 | $9.00K | 0.00% | +645+116.2% | Added |
| Signaturefd, LLC | 829 | $6.00K | 0.00% | +53+6.8% | Added |
| Parallel Advisors, LLC | 835 | $6.00K | 0.00% | +835 | New |
| Lazard Asset Management LLC | 743 | $5.00K | 0.00% | −4,414−85.6% | Reduced |
| FMR LLC | 425 | $3.00K | 0.00% | −1−0.2% | Reduced |
| Harbour Investments, Inc. | 373 | $3.00K | 0.00% | +69+22.7% | Added |
| Quadrant Capital Group LLC | 470 | $3.00K | 0.00% | +470 | New |
| The PNC Financial Services Group, Inc. | 392 | $2.00K | 0.00% | −120−23.4% | Reduced |