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, Q1 2026
Institutional positions in Siga Technologies Inc as of Mar 31, 2026. 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
- 183
- −12 vs. Q4 2025
- Shares held
- 34.4M
- +1.49M (+4.5%) vs. Q4 2025
- Total value
- $184.0M
- −$17.2M (−8.5%) vs. Q4 2025
- New holders
- 27
- 66 more added
- Sold out
- 39
- 68 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 108 | $0 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 2 | $11 | 0.00% | −29−93.5% | Reduced |
| Smartleaf Asset Management LLC | 12 | $63 | 0.00% | −88−88.0% | Reduced |
| Golden State Equity Partners | 13 | $69 | 0.00% | +13 | New |
| Ritter Daniher Financial Advisory LLC | 13 | $70 | 0.00% | +13 | New |
| JPL Wealth Management, LLC | 23 | $124 | 0.00% | +23 | New |
| Triumph Capital Management | 25 | $134 | 0.00% | 00.0% | Unchanged |
| Game Plan Financial Advisors, LLC | 35 | $187 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 41 | $212 | 0.00% | +41 | New |
| Larson Financial Group LLC | 47 | $251 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 61 | $326 | 0.00% | −3−4.7% | Reduced |
| Root Financial Partners, LLC | 64 | $342 | 0.00% | +50+357.1% | Added |
| Bell Investment Advisors, Inc | 75 | $402 | 0.00% | +75 | New |
| Essential Partners LLC | 104 | $556 | 0.00% | −49−32.0% | Reduced |
| Versant Capital Management, Inc | 108 | $578 | 0.00% | −1,134−91.3% | Reduced |
| Basecamp Wealth Advisors LLC | 119 | $637 | 0.00% | +119 | New |
| SRS Capital Advisors, Inc. | 122 | $653 | 0.00% | −35−22.3% | Reduced |
| SJS Investment Consulting Inc. | 127 | $680 | 0.00% | +61+92.4% | Added |
| Harbour Investments, Inc. | 138 | $740 | 0.00% | +138 | New |
| Covestor Ltd | 201 | $1.00K | 0.00% | +14+7.5% | Added |
| EverSource Wealth Advisors, LLC | 202 | $1.08K | 0.00% | −113−35.9% | Reduced |
| Parallel Advisors, LLC | 303 | $1.62K | 0.00% | −7,666−96.2% | Reduced |
| Optiver Holding B.V. | 322 | $1.72K | 0.00% | −128−28.4% | Reduced |
| GAMMA Investing LLC | 358 | $1.92K | 0.00% | +39+12.2% | Added |
| Rothschild Investment LLC | 391 | $2.09K | 0.00% | +63+19.2% | Added |
| Sterling Capital Management LLC | 492 | $2.63K | 0.00% | −305−38.3% | Reduced |
| UBS Asset Management Americas Inc | 625 | $3.34K | 0.00% | −127,204−99.5% | Reduced |
| Rockefeller Capital Management L.P. | 630 | $3.37K | 0.00% | +456+262.1% | Added |
| Nisa Investment Advisors, LLC | 635 | $3.40K | 0.00% | −210−24.9% | Reduced |
| Harbor Capital Advisors, Inc. | 689 | $4.00K | 0.00% | +75+12.2% | Added |
| The PNC Financial Services Group, Inc. | 955 | $5.11K | 0.00% | +801+520.1% | Added |
| Allworth Financial LP | 1,134 | $6.07K | 0.00% | +207+22.3% | Added |
| MAI Capital Management | 1,234 | $6.60K | 0.00% | +1,174+1,956.7% | Added |
| Aquatic Capital Management LLC | 1,387 | $7.42K | 0.00% | −750−35.1% | Reduced |
| Farther Finance Advisors, LLC | 1,535 | $7.94K | 0.00% | −2,615−63.0% | Reduced |
| GF Fund Management Co. Ltd. | 1,598 | $8.55K | 0.00% | +192+13.7% | Added |
| Private Wealth Asset Management, LLC | 1,700 | $9.10K | 0.00% | 00.0% | Unchanged |
| Curio Wealth, LLC | 2,000 | $10.7K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 2,000 | $10.7K | 0.00% | −8−0.4% | Reduced |
| California State Teachers Retirement System | 2,223 | $11.9K | 0.00% | −37,222−94.4% | Reduced |
| Royal Bank of Canada | 2,246 | $12.0K | 0.00% | −2,750−55.0% | Reduced |
| Tower Research Capital LLC (TRC) | 2,444 | $13.1K | 0.00% | −3,060−55.6% | Reduced |
| WealthCollab, LLC | 2,869 | $15.3K | 0.01% | −72−2.4% | Reduced |
| Group One Trading, L.P. | 3,180 | $17.0K | 0.00% | −415−11.5% | Reduced |
| Quadrant Capital Group LLC | 3,240 | $17.3K | 0.00% | −771−19.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,735 | $17.7K | 0.00% | +255+7.3% | Added |
| Ameritas Investment Partners, Inc. | 3,774 | $20.2K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 3,999 | $21.4K | 0.00% | +1,162+41.0% | Added |
| Simplex Trading, LLC | 4,483 | $24.0K | 0.00% | +2,011+81.4% | Added |
| Signaturefd, LLC | 4,850 | $25.9K | 0.00% | +1,724+55.2% | Added |
| Advisor Group Holdings, Inc. | 7,621 | $40.8K | 0.00% | −156−2.0% | Reduced |
| OneAscent Financial Services LLC | 10,134 | $54.2K | 0.00% | +10,134 | New |
| CWM, LLC | 10,173 | $54.4K | 0.00% | +5,146+102.4% | Added |
| BNP Paribas Arbitrage, SA | 10,323 | $55.2K | 0.00% | −13−0.1% | Reduced |
| Legal & General Group Plc | 10,697 | $57.2K | 0.00% | −34,169−76.2% | Reduced |
| Cerity Partners LLC | 10,788 | $57.7K | 0.00% | +10,788 | New |
| State of Alaska, Department of Revenue | 11,018 | $58.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 11,414 | $61.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 11,642 | $62.3K | 0.00% | −1,441−11.0% | Reduced |
| MetLife Investment Management | 11,757 | $62.9K | 0.00% | −10,094−46.2% | Reduced |
| Metis Global Partners, LLC | 11,766 | $62.9K | 0.00% | −8,398−41.6% | Reduced |
| Envestnet Asset Management Inc | 12,053 | $64.5K | 0.00% | −1,974−14.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 12,708 | $68.0K | 0.01% | +1,039+8.9% | Added |
| Captrust Financial Advisors | 12,803 | $68.5K | 0.00% | +1,213+10.5% | Added |
| Headlands Technologies LLC | 12,861 | $68.8K | 0.01% | +12,861 | New |
| Onyx Bridge Wealth Group LLC | 13,000 | $69.5K | 0.01% | 00.0% | Unchanged |
| Globeflex Capital L P | 13,104 | $70.1K | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 13,385 | $70.7K | 0.00% | −28,626−68.1% | Reduced |
| Ieq Capital, LLC | 13,534 | $72.4K | 0.00% | +13,534 | New |
| Commonwealth Equity Services, LLC | 13,733 | $73.5K | 0.00% | −101−0.7% | Reduced |
| CI Private Wealth, LLC | 14,064 | $75.2K | 0.00% | +44+0.3% | Added |
| Barclays PLC | 14,316 | $76.6K | 0.00% | −63,009−81.5% | Reduced |
| Wells Fargo & Company | 15,038 | $80.5K | 0.00% | −30,116−66.7% | Reduced |
| JustInvest LLC | 15,868 | $84.9K | 0.00% | −2,928−15.6% | Reduced |
| Kestra Advisory Services, LLC | 16,100 | $86.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 17,271 | $92.4K | 0.00% | +11,029+176.7% | Added |
| Public Employees Retirement System of Ohio | 17,900 | $95.8K | 0.00% | −1,000−5.3% | Reduced |
| Mercer Global Advisors Inc | 18,879 | $101.0K | 0.00% | +18,879 | New |
| EP Wealth Advisors, LLC | 19,127 | $102.3K | 0.00% | −1,028−5.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 19,526 | $104.5K | 0.00% | +476+2.5% | Added |
| October Effect Ltd | 20,300 | $108.6K | 0.13% | −2,800−12.1% | Reduced |
| Guggenheim Capital LLC | 20,376 | $109.0K | 0.00% | +7,550+58.9% | Added |
| Mariner, LLC | 21,023 | $112.5K | 0.00% | +9,463+81.9% | Added |
| Significant Wealth Partners LLC | 23,131 | $123.8K | 0.15% | +929+4.2% | Added |
| CIBC Bancorp USA Inc. | 23,384 | $125.1K | 0.00% | +23,384 | New |
| FMR LLC | 23,402 | $125.2K | 0.00% | +17,693+309.9% | Added |
| Cim Investment Mangement Inc | 24,379 | $130.4K | 0.03% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 24,519 | $131.2K | 0.00% | −23,247−48.7% | Reduced |
| JPMorgan Chase & Co | 25,186 | $132.5K | 0.00% | −159,780−86.4% | Reduced |
| Susquehanna International Group, LLP | 24,767 | $132.5K | 0.00% | +24,767 | New |
| Schonfeld Strategic Advisors LLC | 25,644 | $137.2K | 0.00% | −19,110−42.7% | Reduced |
| Engineers Gate Manager LP | 25,996 | $139.1K | 0.00% | +25,996 | New |
| Washington Growth Strategies LLC | 26,216 | $140.3K | 0.09% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 26,812 | $143.4K | 0.01% | +26,812 | New |
| Federated Hermes, Inc. | 28,422 | $152.1K | 0.00% | −111,088−79.6% | Reduced |
| Graham Capital Management, L.P. | 29,907 | $160.0K | 0.01% | +29,907 | New |
| Empowered Funds, LLC | 30,316 | $162.2K | 0.00% | +30,316 | New |
| Quantinno Capital Management LP | 31,589 | $169.0K | 0.00% | +11,592+58.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 36,064 | $192.9K | 0.00% | +36,064 | New |
| Deutsche Bank AG | 37,164 | $198.8K | 0.00% | +5,652+17.9% | Added |