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; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Siga Technologies Inc as of Dec 31, 2025. 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
- 200
- +6 vs. Q3 2025
- Shares held
- 35.8M
- +1.99M (+5.9%) vs. Q3 2025
- Total value
- $219.1M
- −$90.5M (−29.2%) vs. Q3 2025
- New holders
- 26
- 77 more added
- Sold out
- 20
- 61 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 | 161 | $127.0M |
| 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 2025
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SEI Investments Co | 25,020 | $152.9K | 0.00% | −5,402−17.8% | Reduced |
| Cim Investment Mangement Inc | 24,379 | $149.0K | 0.04% | 00.0% | Unchanged |
| October Effect Ltd | 23,100 | $141.1K | 0.16% | −2,566−10.0% | Reduced |
| UBS Group AG | 22,396 | $136.8K | 0.00% | −150,616−87.1% | Reduced |
| Significant Wealth Partners LLC | 22,202 | $135.7K | 0.15% | −22,250−50.1% | Reduced |
| MetLife Investment Management | 21,851 | $133.5K | 0.00% | −52−0.2% | Reduced |
| CIBC Private Wealth Group, LLC | 21,316 | $130.2K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,057 | $128.7K | 0.00% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 20,164 | $123.2K | 0.00% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 20,155 | $123.1K | 0.00% | +20,155 | New |
| Quantinno Capital Management LP | 19,997 | $122.2K | 0.00% | +2,766+16.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 19,050 | $116.4K | 0.00% | −218−1.1% | Reduced |
| Public Employees Retirement System of Ohio | 18,900 | $115.5K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 18,796 | $114.8K | 0.00% | −2,906−13.4% | Reduced |
| Evergreen Capital Management LLC | 18,652 | $114.0K | 0.00% | +549+3.0% | Added |
| Axq Capital, LP | 17,030 | $104.1K | 0.02% | +17,030 | New |
| Intech Investment Management LLC | 16,877 | $103.1K | 0.00% | −3,412−16.8% | Reduced |
| Inspire Advisors, LLC | 16,767 | $102.4K | 0.01% | +16,767 | New |
| Kestra Advisory Services, LLC | 16,100 | $98.4K | 0.00% | +4,719+41.5% | Added |
| Jump Financial, LLC | 15,643 | $95.6K | 0.00% | −58,527−78.9% | Reduced |
| Squarepoint Ops LLC | 15,014 | $91.7K | 0.00% | +15,014 | New |
| Envestnet Asset Management Inc | 14,027 | $85.7K | 0.00% | −8,152−36.8% | Reduced |
| CI Private Wealth, LLC | 14,020 | $85.7K | 0.00% | −47−0.3% | Reduced |
| Commonwealth Equity Services, LLC | 13,834 | $84.5K | 0.00% | −40.0% | Reduced |
| Globeflex Capital L P | 13,104 | $80.1K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,083 | $79.9K | 0.00% | −1,218−8.5% | Reduced |
| Onyx Bridge Wealth Group LLC | 13,000 | $79.4K | 0.01% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 12,826 | $78.4K | 0.00% | +12,826 | New |
| Arizona State Retirement System | 12,017 | $73.4K | 0.00% | −682−5.4% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,669 | $71.3K | 0.01% | −882−7.0% | Reduced |
| Captrust Financial Advisors | 11,590 | $70.8K | 0.00% | +679+6.2% | Added |
| Mariner, LLC | 11,560 | $70.7K | 0.00% | +11,560 | New |
| Police & Firemen's Retirement System of New Jersey | 11,414 | $69.7K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 11,282 | $68.9K | 0.00% | +732+6.9% | Added |
| State of Alaska, Department of Revenue | 11,018 | $67.0K | 0.00% | +7,251+192.5% | Added |
| ProShare Advisors LLC | 10,659 | $65.1K | 0.00% | +10,659 | New |
| SG Americas Securities, LLC | 10,666 | $65.0K | 0.00% | −3,214−23.2% | Reduced |
| Sherbrooke Park Advisers LLC | 10,562 | $64.5K | 0.17% | −3,066−22.5% | Reduced |
| Two Sigma Investments, LP | 10,400 | $63.5K | 0.00% | +10,400 | New |
| BNP Paribas Arbitrage, SA | 10,336 | $63.2K | 0.00% | +1,295+14.3% | Added |
| Parallel Advisors, LLC | 7,969 | $48.7K | 0.00% | +2,549+47.0% | Added |
| DekaBank Deutsche Girozentrale | 5,160 | $48.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,777 | $47.5K | 0.00% | +4,684+151.4% | Added |
| Citigroup Inc | 6,242 | $38.1K | 0.00% | −1,180−15.9% | Reduced |
| FMR LLC | 5,709 | $34.9K | 0.00% | +1,695+42.2% | Added |
| Tower Research Capital LLC (TRC) | 5,504 | $33.6K | 0.00% | +2,619+90.8% | Added |
| CWM, LLC | 5,027 | $31.0K | 0.00% | +3,005+148.6% | Added |
| Royal Bank of Canada | 4,996 | $30.0K | 0.00% | −74,554−93.7% | Reduced |
| Farther Finance Advisors, LLC | 4,150 | $25.4K | 0.00% | +3,349+418.1% | Added |
| Quadrant Capital Group LLC | 4,011 | $24.5K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,774 | $23.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,595 | $22.0K | 0.00% | +600+20.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,480 | $21.3K | 0.00% | +712+25.7% | Added |
| Signaturefd, LLC | 3,126 | $19.1K | 0.00% | −501−13.8% | Reduced |
| WealthCollab, LLC | 2,941 | $18.0K | 0.01% | +84+2.9% | Added |
| SBI Securities Co., Ltd. | 2,837 | $17.3K | 0.00% | −683−19.4% | Reduced |
| Simplex Trading, LLC | 2,472 | $15.1K | 0.00% | −3,210−56.5% | Reduced |
| Great West Life Assurance Co | 2,265 | $14.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 2,137 | $13.1K | 0.00% | +2,137 | New |
| Curio Wealth, LLC | 2,000 | $12.5K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 2,008 | $12.3K | 0.00% | −47−2.3% | Reduced |
| Private Wealth Asset Management, LLC | 1,700 | $10.4K | 0.00% | +350+25.9% | Added |
| GF Fund Management Co. Ltd. | 1,406 | $8.59K | 0.00% | −123−8.0% | Reduced |
| Amalgamated Bank | 1,290 | $8.00K | 0.00% | −390−23.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,266 | $8.00K | 0.00% | +632+99.7% | Added |
| Versant Capital Management, Inc | 1,242 | $7.59K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1,119 | $6.84K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 927 | $5.66K | 0.00% | +28+3.1% | Added |
| Nisa Investment Advisors, LLC | 845 | $5.16K | 0.00% | −682−44.7% | Reduced |
| Sterling Capital Management LLC | 797 | $4.87K | 0.00% | +133+20.0% | Added |
| Harbor Capital Advisors, Inc. | 614 | $4.00K | 0.00% | −11−1.8% | Reduced |
| Optiver Holding B.V. | 450 | $2.75K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 328 | $2.00K | 0.00% | +73+28.6% | Added |
| Daiwa Securities Group Inc. | 270 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 313 | $2.00K | 0.00% | +313 | New |
| GAMMA Investing LLC | 319 | $1.95K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 315 | $1.92K | 0.00% | +104+49.3% | Added |
| Toth Financial Advisory Corp | 250 | $1.53K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 177 | $1.08K | 0.00% | +177 | New |
| Rockefeller Capital Management L.P. | 174 | $1.06K | 0.00% | +174 | New |
| Covestor Ltd | 187 | $1.00K | 0.00% | −736−79.7% | Reduced |
| SRS Capital Advisors, Inc. | 157 | $960 | 0.00% | −1,347−89.6% | Reduced |
| The PNC Financial Services Group, Inc. | 154 | $941 | 0.00% | −101−39.6% | Reduced |
| Essential Partners LLC | 153 | $935 | 0.00% | −124−44.8% | Reduced |
| US Bancorp | 144 | $880 | 0.00% | −169−54.0% | Reduced |
| Smartleaf Asset Management LLC | 100 | $617 | 0.00% | +12+13.6% | Added |
| Rialto Wealth Management, LLC | 89 | $544 | 0.00% | 00.0% | Unchanged |
| Optima Capital LLC | 81 | $495 | 0.00% | +81 | New |
| SJS Investment Consulting Inc. | 66 | $404 | 0.00% | −389−85.5% | Reduced |
| IFP Advisors, Inc | 64 | $391 | 0.00% | +52+433.3% | Added |
| MAI Capital Management | 60 | $367 | 0.00% | +60 | New |
| Torren Management, LLC | 57 | $351 | 0.00% | +57 | New |
| Larson Financial Group LLC | 47 | $287 | 0.00% | 00.0% | Unchanged |
| Game Plan Financial Advisors, LLC | 35 | $214 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 31 | $190 | 0.00% | +25+416.7% | Added |
| Triumph Capital Management | 25 | $153 | 0.00% | +25 | New |
| Root Financial Partners, LLC | 14 | $86 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 3 | $18 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 1 | $7 | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 108 | $0 | 0.00% | 00.0% | Unchanged |