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 |
|---|---|---|---|---|---|
| Avion Wealth | 108 | $0 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 1 | $7 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 3 | $18 | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 14 | $86 | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 25 | $153 | 0.00% | +25 | New |
| True Wealth Design, LLC | 31 | $190 | 0.00% | +25+416.7% | Added |
| Game Plan Financial Advisors, LLC | 35 | $214 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 47 | $287 | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 57 | $351 | 0.00% | +57 | New |
| MAI Capital Management | 60 | $367 | 0.00% | +60 | New |
| IFP Advisors, Inc | 64 | $391 | 0.00% | +52+433.3% | Added |
| SJS Investment Consulting Inc. | 66 | $404 | 0.00% | −389−85.5% | Reduced |
| Optima Capital LLC | 81 | $495 | 0.00% | +81 | New |
| Rialto Wealth Management, LLC | 89 | $544 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 100 | $617 | 0.00% | +12+13.6% | Added |
| US Bancorp | 144 | $880 | 0.00% | −169−54.0% | Reduced |
| Essential Partners LLC | 153 | $935 | 0.00% | −124−44.8% | Reduced |
| The PNC Financial Services Group, Inc. | 154 | $941 | 0.00% | −101−39.6% | Reduced |
| SRS Capital Advisors, Inc. | 157 | $960 | 0.00% | −1,347−89.6% | Reduced |
| Covestor Ltd | 187 | $1.00K | 0.00% | −736−79.7% | Reduced |
| Rockefeller Capital Management L.P. | 174 | $1.06K | 0.00% | +174 | New |
| Cornerstone Financial Management LLC | 177 | $1.08K | 0.00% | +177 | New |
| Toth Financial Advisory Corp | 250 | $1.53K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 315 | $1.92K | 0.00% | +104+49.3% | Added |
| GAMMA Investing LLC | 319 | $1.95K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 270 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 313 | $2.00K | 0.00% | +313 | New |
| Rothschild Investment LLC | 328 | $2.00K | 0.00% | +73+28.6% | Added |
| Optiver Holding B.V. | 450 | $2.75K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 614 | $4.00K | 0.00% | −11−1.8% | Reduced |
| Sterling Capital Management LLC | 797 | $4.87K | 0.00% | +133+20.0% | Added |
| Nisa Investment Advisors, LLC | 845 | $5.16K | 0.00% | −682−44.7% | Reduced |
| Allworth Financial LP | 927 | $5.66K | 0.00% | +28+3.1% | Added |
| Global Retirement Partners, LLC | 1,119 | $6.84K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,242 | $7.59K | 0.00% | 00.0% | Unchanged |
| 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 |
| GF Fund Management Co. Ltd. | 1,406 | $8.59K | 0.00% | −123−8.0% | Reduced |
| Private Wealth Asset Management, LLC | 1,700 | $10.4K | 0.00% | +350+25.9% | Added |
| Clearstead Advisors, LLC | 2,008 | $12.3K | 0.00% | −47−2.3% | Reduced |
| Curio Wealth, LLC | 2,000 | $12.5K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 2,137 | $13.1K | 0.00% | +2,137 | New |
| Great West Life Assurance Co | 2,265 | $14.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,472 | $15.1K | 0.00% | −3,210−56.5% | Reduced |
| SBI Securities Co., Ltd. | 2,837 | $17.3K | 0.00% | −683−19.4% | Reduced |
| WealthCollab, LLC | 2,941 | $18.0K | 0.01% | +84+2.9% | Added |
| Signaturefd, LLC | 3,126 | $19.1K | 0.00% | −501−13.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,480 | $21.3K | 0.00% | +712+25.7% | Added |
| Group One Trading, L.P. | 3,595 | $22.0K | 0.00% | +600+20.0% | Added |
| Ameritas Investment Partners, Inc. | 3,774 | $23.1K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 4,011 | $24.5K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 4,150 | $25.4K | 0.00% | +3,349+418.1% | Added |
| Royal Bank of Canada | 4,996 | $30.0K | 0.00% | −74,554−93.7% | Reduced |
| CWM, LLC | 5,027 | $31.0K | 0.00% | +3,005+148.6% | Added |
| Tower Research Capital LLC (TRC) | 5,504 | $33.6K | 0.00% | +2,619+90.8% | Added |
| FMR LLC | 5,709 | $34.9K | 0.00% | +1,695+42.2% | Added |
| Citigroup Inc | 6,242 | $38.1K | 0.00% | −1,180−15.9% | Reduced |
| Advisor Group Holdings, Inc. | 7,777 | $47.5K | 0.00% | +4,684+151.4% | Added |
| DekaBank Deutsche Girozentrale | 5,160 | $48.0K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 7,969 | $48.7K | 0.00% | +2,549+47.0% | Added |
| BNP Paribas Arbitrage, SA | 10,336 | $63.2K | 0.00% | +1,295+14.3% | Added |
| Two Sigma Investments, LP | 10,400 | $63.5K | 0.00% | +10,400 | New |
| Sherbrooke Park Advisers LLC | 10,562 | $64.5K | 0.17% | −3,066−22.5% | Reduced |
| SG Americas Securities, LLC | 10,666 | $65.0K | 0.00% | −3,214−23.2% | Reduced |
| ProShare Advisors LLC | 10,659 | $65.1K | 0.00% | +10,659 | New |
| State of Alaska, Department of Revenue | 11,018 | $67.0K | 0.00% | +7,251+192.5% | Added |
| Quest Partners LLC | 11,282 | $68.9K | 0.00% | +732+6.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,414 | $69.7K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 11,560 | $70.7K | 0.00% | +11,560 | New |
| Captrust Financial Advisors | 11,590 | $70.8K | 0.00% | +679+6.2% | Added |
| China Universal Asset Management Co., Ltd. | 11,669 | $71.3K | 0.01% | −882−7.0% | Reduced |
| Arizona State Retirement System | 12,017 | $73.4K | 0.00% | −682−5.4% | Reduced |
| Guggenheim Capital LLC | 12,826 | $78.4K | 0.00% | +12,826 | New |
| Onyx Bridge Wealth Group LLC | 13,000 | $79.4K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 13,083 | $79.9K | 0.00% | −1,218−8.5% | Reduced |
| Globeflex Capital L P | 13,104 | $80.1K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 13,834 | $84.5K | 0.00% | −40.0% | Reduced |
| CI Private Wealth, LLC | 14,020 | $85.7K | 0.00% | −47−0.3% | Reduced |
| Envestnet Asset Management Inc | 14,027 | $85.7K | 0.00% | −8,152−36.8% | Reduced |
| Squarepoint Ops LLC | 15,014 | $91.7K | 0.00% | +15,014 | New |
| Jump Financial, LLC | 15,643 | $95.6K | 0.00% | −58,527−78.9% | Reduced |
| Kestra Advisory Services, LLC | 16,100 | $98.4K | 0.00% | +4,719+41.5% | Added |
| Inspire Advisors, LLC | 16,767 | $102.4K | 0.01% | +16,767 | New |
| Intech Investment Management LLC | 16,877 | $103.1K | 0.00% | −3,412−16.8% | Reduced |
| Axq Capital, LP | 17,030 | $104.1K | 0.02% | +17,030 | New |
| Evergreen Capital Management LLC | 18,652 | $114.0K | 0.00% | +549+3.0% | Added |
| JustInvest LLC | 18,796 | $114.8K | 0.00% | −2,906−13.4% | Reduced |
| Public Employees Retirement System of Ohio | 18,900 | $115.5K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 19,050 | $116.4K | 0.00% | −218−1.1% | Reduced |
| Quantinno Capital Management LP | 19,997 | $122.2K | 0.00% | +2,766+16.1% | Added |
| EP Wealth Advisors, LLC | 20,155 | $123.1K | 0.00% | +20,155 | New |
| Metis Global Partners, LLC | 20,164 | $123.2K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,057 | $128.7K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 21,316 | $130.2K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 21,851 | $133.5K | 0.00% | −52−0.2% | Reduced |
| Significant Wealth Partners LLC | 22,202 | $135.7K | 0.15% | −22,250−50.1% | Reduced |
| UBS Group AG | 22,396 | $136.8K | 0.00% | −150,616−87.1% | Reduced |
| October Effect Ltd | 23,100 | $141.1K | 0.16% | −2,566−10.0% | Reduced |
| Cim Investment Mangement Inc | 24,379 | $149.0K | 0.04% | 00.0% | Unchanged |
| SEI Investments Co | 25,020 | $152.9K | 0.00% | −5,402−17.8% | Reduced |