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, Q2 2026
Institutional positions in Siga Technologies Inc as of Jun 30, 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
- 160
- −19 vs. Q1 2026
- Shares held
- 34.8M
- +701.6K (+2.1%) vs. Q1 2026
- Total value
- $126.9M
- −$55.7M (−30.5%) vs. Q1 2026
- New holders
- 16
- 80 more added
- Sold out
- 35
- 46 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HSBC Holdings PLC | 16,904 | $62.4K | 0.00% | +3,519+26.3% | Added |
| Commonwealth Equity Services, LLC | 15,534 | $56.5K | 0.00% | +1,801+13.1% | Added |
| Headlands Technologies LLC | 15,442 | $56.2K | 0.01% | +2,581+20.1% | Added |
| State of Wyoming | 15,350 | $55.9K | 0.01% | −69,890−82.0% | Reduced |
| Stifel Financial Corp | 15,197 | $55.3K | 0.00% | +15,197 | New |
| R Squared Ltd | 14,793 | $53.8K | 0.03% | +14,793 | New |
| Manufacturers Life Insurance Company, The | 14,366 | $52.3K | 0.00% | +2,724+23.4% | Added |
| Captrust Financial Advisors | 14,116 | $51.4K | 0.00% | +1,313+10.3% | Added |
| State Board of Administration of Florida Retirement System | 13,360 | $48.6K | 0.00% | −118,266−89.9% | Reduced |
| Barclays PLC | 13,140 | $47.8K | 0.00% | −1,176−8.2% | Reduced |
| Onyx Bridge Wealth Group LLC | 13,000 | $47.3K | 0.00% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 11,766 | $42.8K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 11,415 | $41.6K | 0.00% | −1,293−10.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,414 | $41.5K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 11,362 | $41.4K | 0.00% | +11,362 | New |
| Franklin Resources Inc | 10,959 | $39.9K | 0.00% | −32,903−75.0% | Reduced |
| Voya Investment Management LLC | 10,092 | $36.7K | 0.00% | +10,092 | New |
| BNP Paribas Arbitrage, SA | 8,540 | $31.1K | 0.00% | −1,783−17.3% | Reduced |
| Advisor Group Holdings, Inc. | 8,191 | $29.8K | 0.00% | +570+7.5% | Added |
| Signaturefd, LLC | 7,955 | $29.0K | 0.00% | +3,105+64.0% | Added |
| Federated Hermes, Inc. | 6,290 | $22.9K | 0.00% | −22,132−77.9% | Reduced |
| Nisa Investment Advisors, LLC | 5,003 | $18.2K | 0.00% | +4,368+687.9% | Added |
| Simplex Trading, LLC | 4,885 | $17.8K | 0.00% | +402+9.0% | Added |
| SBI Securities Co., Ltd. | 3,995 | $14.5K | 0.00% | −4−0.1% | Reduced |
| Ameritas Investment Partners, Inc. | 3,774 | $13.7K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,638 | $13.2K | 0.00% | −7,059−66.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,208 | $11.7K | 0.00% | −527−14.1% | Reduced |
| Tower Research Capital LLC (TRC) | 2,837 | $10.3K | 0.00% | +393+16.1% | Added |
| Clearstead Advisors, LLC | 2,165 | $7.88K | 0.00% | +165+8.3% | Added |
| SRS Capital Advisors, Inc. | 2,084 | $7.58K | 0.00% | +1,962+1,608.2% | Added |
| Royal Bank of Canada | 1,728 | $7.00K | 0.00% | −518−23.1% | Reduced |
| GF Fund Management Co. Ltd. | 1,487 | $5.41K | 0.00% | −111−6.9% | Reduced |
| The PNC Financial Services Group, Inc. | 1,348 | $4.91K | 0.00% | +393+41.2% | Added |
| Global Retirement Partners, LLC | 1,268 | $4.62K | 0.00% | +1,268 | New |
| Harbor Capital Advisors, Inc. | 1,133 | $4.00K | 0.00% | +444+64.4% | Added |
| Allworth Financial LP | 1,059 | $3.85K | 0.00% | −75−6.6% | Reduced |
| Sterling Capital Management LLC | 852 | $3.10K | 0.00% | +360+73.2% | Added |
| Parallel Advisors, LLC | 833 | $3.03K | 0.00% | +530+174.9% | Added |
| Group One Trading, L.P. | 832 | $3.03K | 0.00% | −2,348−73.8% | Reduced |
| UBS Asset Management Americas Inc | 625 | $2.27K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 621 | $2.26K | 0.00% | −914−59.5% | Reduced |
| California State Teachers Retirement System | 576 | $2.10K | 0.00% | −1,647−74.1% | Reduced |
| Markowski Investments | 500 | $1.82K | 0.00% | +500 | New |
| Essential Partners LLC | 487 | $1.77K | 0.00% | +383+368.3% | Added |
| Jones Financial Companies LLLP | 315 | $1.24K | 0.00% | +315 | New |
| EverSource Wealth Advisors, LLC | 315 | $1.15K | 0.00% | +113+55.9% | Added |
| Covestor Ltd | 288 | $1.00K | 0.00% | +87+43.3% | Added |
| Rockefeller Capital Management L.P. | 174 | $633 | 0.00% | −456−72.4% | Reduced |
| Rothschild Investment LLC | 172 | $626 | 0.00% | −219−56.0% | Reduced |
| IFP Advisors, Inc | 166 | $604 | 0.00% | +105+172.1% | Added |
| Zions Bancorporation, National Association | 154 | $561 | 0.00% | +154 | New |
| Harbour Investments, Inc. | 128 | $466 | 0.00% | −10−7.2% | Reduced |
| Fifth Third Bancorp | 127 | $462 | 0.00% | +127 | New |
| TD Private Client Wealth LLC | 92 | $335 | 0.00% | +92 | New |
| Wealth Enhancement Trust Services, Inc. | 76 | $277 | 0.00% | +76 | New |
| SJS Investment Consulting Inc. | 72 | $263 | 0.00% | −55−43.3% | Reduced |
| WealthCollab, LLC | 41 | $150 | 0.00% | −2,828−98.6% | Reduced |
| Game Plan Financial Advisors, LLC | 35 | $127 | 0.00% | 00.0% | Unchanged |
| Ritter Daniher Financial Advisory LLC | 18 | $66 | 0.00% | +5+38.5% | Added |
| Smartleaf Asset Management LLC | 12 | $43 | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 0 | $0 | 0.00% | −360,067−100.0% | Sold out |
| Nomura Asset Management International Inc. | 0 | $0 | 0.00% | −244,853−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −244,853−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −188,484−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −107,138−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −93,440−100.0% | Sold out |
| James Investment Research Inc | 0 | $0 | 0.00% | −53,546−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −52,080−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −41,200−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −29,907−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −26,812−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −25,996−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −24,519−100.0% | Sold out |
| EP Wealth Advisors, LLC | 0 | $0 | 0.00% | −19,127−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −16,100−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −15,868−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −14,064−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −13,104−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −3,240−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Private Wealth Asset Management, LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1,234−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −358−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −322−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Triumph Capital Management | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| DGS Capital Management, LLC | – | – | – | – | Not filed |
| Cim Investment Mangement Inc | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |