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 |
|---|---|---|---|---|---|
| Mariner, LLC | 21,023 | $112.5K | 0.00% | +9,463+81.9% | Added |
| Guggenheim Capital LLC | 20,376 | $109.0K | 0.00% | +7,550+58.9% | Added |
| October Effect Ltd | 20,300 | $108.6K | 0.13% | −2,800−12.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 19,526 | $104.5K | 0.00% | +476+2.5% | Added |
| EP Wealth Advisors, LLC | 19,127 | $102.3K | 0.00% | −1,028−5.1% | Reduced |
| Mercer Global Advisors Inc | 18,879 | $101.0K | 0.00% | +18,879 | New |
| Public Employees Retirement System of Ohio | 17,900 | $95.8K | 0.00% | −1,000−5.3% | Reduced |
| Citigroup Inc | 17,271 | $92.4K | 0.00% | +11,029+176.7% | Added |
| Kestra Advisory Services, LLC | 16,100 | $86.1K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 15,868 | $84.9K | 0.00% | −2,928−15.6% | Reduced |
| Wells Fargo & Company | 15,038 | $80.5K | 0.00% | −30,116−66.7% | Reduced |
| Barclays PLC | 14,316 | $76.6K | 0.00% | −63,009−81.5% | Reduced |
| CI Private Wealth, LLC | 14,064 | $75.2K | 0.00% | +44+0.3% | Added |
| Commonwealth Equity Services, LLC | 13,733 | $73.5K | 0.00% | −101−0.7% | Reduced |
| Ieq Capital, LLC | 13,534 | $72.4K | 0.00% | +13,534 | New |
| HSBC Holdings PLC | 13,385 | $70.7K | 0.00% | −28,626−68.1% | Reduced |
| Globeflex Capital L P | 13,104 | $70.1K | 0.01% | 00.0% | Unchanged |
| Onyx Bridge Wealth Group LLC | 13,000 | $69.5K | 0.01% | 00.0% | Unchanged |
| Headlands Technologies LLC | 12,861 | $68.8K | 0.01% | +12,861 | New |
| Captrust Financial Advisors | 12,803 | $68.5K | 0.00% | +1,213+10.5% | Added |
| China Universal Asset Management Co., Ltd. | 12,708 | $68.0K | 0.01% | +1,039+8.9% | Added |
| Envestnet Asset Management Inc | 12,053 | $64.5K | 0.00% | −1,974−14.1% | Reduced |
| Metis Global Partners, LLC | 11,766 | $62.9K | 0.00% | −8,398−41.6% | Reduced |
| MetLife Investment Management | 11,757 | $62.9K | 0.00% | −10,094−46.2% | Reduced |
| Manufacturers Life Insurance Company, The | 11,642 | $62.3K | 0.00% | −1,441−11.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,414 | $61.1K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 11,018 | $58.0K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 10,788 | $57.7K | 0.00% | +10,788 | New |
| Legal & General Group Plc | 10,697 | $57.2K | 0.00% | −34,169−76.2% | Reduced |
| BNP Paribas Arbitrage, SA | 10,323 | $55.2K | 0.00% | −13−0.1% | Reduced |
| CWM, LLC | 10,173 | $54.4K | 0.00% | +5,146+102.4% | Added |
| OneAscent Financial Services LLC | 10,134 | $54.2K | 0.00% | +10,134 | New |
| Advisor Group Holdings, Inc. | 7,621 | $40.8K | 0.00% | −156−2.0% | Reduced |
| Signaturefd, LLC | 4,850 | $25.9K | 0.00% | +1,724+55.2% | Added |
| Simplex Trading, LLC | 4,483 | $24.0K | 0.00% | +2,011+81.4% | Added |
| SBI Securities Co., Ltd. | 3,999 | $21.4K | 0.00% | +1,162+41.0% | Added |
| Ameritas Investment Partners, Inc. | 3,774 | $20.2K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 3,735 | $17.7K | 0.00% | +255+7.3% | Added |
| Quadrant Capital Group LLC | 3,240 | $17.3K | 0.00% | −771−19.2% | Reduced |
| Group One Trading, L.P. | 3,180 | $17.0K | 0.00% | −415−11.5% | Reduced |
| WealthCollab, LLC | 2,869 | $15.3K | 0.01% | −72−2.4% | Reduced |
| Tower Research Capital LLC (TRC) | 2,444 | $13.1K | 0.00% | −3,060−55.6% | Reduced |
| Royal Bank of Canada | 2,246 | $12.0K | 0.00% | −2,750−55.0% | Reduced |
| California State Teachers Retirement System | 2,223 | $11.9K | 0.00% | −37,222−94.4% | Reduced |
| 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 |
| Private Wealth Asset Management, LLC | 1,700 | $9.10K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,598 | $8.55K | 0.00% | +192+13.7% | Added |
| Farther Finance Advisors, LLC | 1,535 | $7.94K | 0.00% | −2,615−63.0% | Reduced |
| Aquatic Capital Management LLC | 1,387 | $7.42K | 0.00% | −750−35.1% | Reduced |
| MAI Capital Management | 1,234 | $6.60K | 0.00% | +1,174+1,956.7% | Added |
| Allworth Financial LP | 1,134 | $6.07K | 0.00% | +207+22.3% | Added |
| The PNC Financial Services Group, Inc. | 955 | $5.11K | 0.00% | +801+520.1% | Added |
| Harbor Capital Advisors, Inc. | 689 | $4.00K | 0.00% | +75+12.2% | Added |
| Nisa Investment Advisors, LLC | 635 | $3.40K | 0.00% | −210−24.9% | Reduced |
| Rockefeller Capital Management L.P. | 630 | $3.37K | 0.00% | +456+262.1% | Added |
| UBS Asset Management Americas Inc | 625 | $3.34K | 0.00% | −127,204−99.5% | Reduced |
| Sterling Capital Management LLC | 492 | $2.63K | 0.00% | −305−38.3% | Reduced |
| Rothschild Investment LLC | 391 | $2.09K | 0.00% | +63+19.2% | Added |
| GAMMA Investing LLC | 358 | $1.92K | 0.00% | +39+12.2% | Added |
| Optiver Holding B.V. | 322 | $1.72K | 0.00% | −128−28.4% | Reduced |
| Parallel Advisors, LLC | 303 | $1.62K | 0.00% | −7,666−96.2% | Reduced |
| EverSource Wealth Advisors, LLC | 202 | $1.08K | 0.00% | −113−35.9% | Reduced |
| Covestor Ltd | 201 | $1.00K | 0.00% | +14+7.5% | Added |
| Harbour Investments, Inc. | 138 | $740 | 0.00% | +138 | New |
| SJS Investment Consulting Inc. | 127 | $680 | 0.00% | +61+92.4% | Added |
| SRS Capital Advisors, Inc. | 122 | $653 | 0.00% | −35−22.3% | Reduced |
| Basecamp Wealth Advisors LLC | 119 | $637 | 0.00% | +119 | New |
| Versant Capital Management, Inc | 108 | $578 | 0.00% | −1,134−91.3% | Reduced |
| Essential Partners LLC | 104 | $556 | 0.00% | −49−32.0% | Reduced |
| Bell Investment Advisors, Inc | 75 | $402 | 0.00% | +75 | New |
| Root Financial Partners, LLC | 64 | $342 | 0.00% | +50+357.1% | Added |
| IFP Advisors, Inc | 61 | $326 | 0.00% | −3−4.7% | Reduced |
| Larson Financial Group LLC | 47 | $251 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 41 | $212 | 0.00% | +41 | New |
| Game Plan Financial Advisors, LLC | 35 | $187 | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 25 | $134 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 23 | $124 | 0.00% | +23 | New |
| Ritter Daniher Financial Advisory LLC | 13 | $70 | 0.00% | +13 | New |
| Golden State Equity Partners | 13 | $69 | 0.00% | +13 | New |
| Smartleaf Asset Management LLC | 12 | $63 | 0.00% | −88−88.0% | Reduced |
| True Wealth Design, LLC | 2 | $11 | 0.00% | −29−93.5% | Reduced |
| Avion Wealth | 108 | $0 | 0.00% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −990,648−100.0% | Sold out |
| CSM Advisors, LLC | 0 | $0 | 0.00% | −627,870−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −197,868−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −127,969−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −104,645−100.0% | Sold out |
| Point Nemo Capital, LLC | 0 | $0 | 0.00% | −85,553−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −83,900−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −78,893−100.0% | Sold out |
| Precision Wealth Strategies, LLC | 0 | $0 | 0.00% | −67,794−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −63,782−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −54,014−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −51,688−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −49,189−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −36,398−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −34,786−100.0% | Sold out |
| Linden Thomas Advisory Services, LLC | 0 | $0 | 0.00% | −28,465−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −21,057−100.0% | Sold out |