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 2021
Institutional positions in Siga Technologies Inc as of Jun 30, 2021. 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
- 102
- −3 vs. Q1 2021
- Shares held
- 20.4M
- −1.10M (−5.1%) vs. Q1 2021
- Total value
- $128.2M
- −$11.6M (−8.3%) vs. Q1 2021
- New holders
- 16
- 35 more added
- Sold out
- 19
- 33 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,932,906 | $24.7M | 0.00% | −755,535−16.1% | Reduced |
| Vanguard Group Inc | 2,372,679 | $14.9M | 0.00% | −210,369−8.1% | Reduced |
| AltraVue Capital, LLC | 1,988,746 | $12.5M | 2.21% | −287,177−12.6% | Reduced |
| Price Michael F | 1,205,900 | $7.57M | 0.83% | 00.0% | Unchanged |
| State Street Corp | 1,097,875 | $6.89M | 0.00% | +81,602+8.0% | Added |
| Renaissance Technologies LLC | 1,032,017 | $6.48M | 0.01% | +265,003+34.5% | Added |
| Geode Capital Management, LLC | 841,216 | $5.28M | 0.00% | −33,302−3.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 700,634 | $4.40M | 0.01% | +102,629+17.2% | Added |
| Dimensional Fund Advisors LP | 693,225 | $4.35M | 0.00% | +144,415+26.3% | Added |
| Wells Fargo & Company | 626,980 | $3.94M | 0.00% | +6,163+1.0% | Added |
| Royce & Associates LP | 513,087 | $3.22M | 0.02% | +425,956+488.9% | Added |
| Northern Trust Corp | 511,515 | $3.21M | 0.00% | −62,081−10.8% | Reduced |
| Legato Capital Management LLC | 444,790 | $2.79M | 0.39% | −5,270−1.2% | Reduced |
| New York State Common Retirement Fund | 374,793 | $2.35M | 0.00% | −4,723−1.2% | Reduced |
| Globeflex Capital L P | 367,049 | $2.31M | 0.41% | +367,049 | New |
| Charles Schwab Investment Management Inc | 311,659 | $1.96M | 0.00% | −9,245−2.9% | Reduced |
| Nuveen Asset Management, LLC | 278,155 | $1.75M | 0.00% | +54,728+24.5% | Added |
| Bank of New York Mellon Corp | 262,242 | $1.65M | 0.00% | −41,159−13.6% | Reduced |
| Goldman Sachs Group Inc | 236,791 | $1.49M | 0.00% | −19,357−7.6% | Reduced |
| Davenport & Co LLC | 219,077 | $1.38M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 124,530 | $782.0K | 0.00% | +81,849+191.8% | Added |
| Morgan Stanley | 117,833 | $741.0K | 0.00% | +112,992+2,334.1% | Added |
| Los Angeles Capital Management LLC | 112,720 | $708.0K | 0.00% | −7,140−6.0% | Reduced |
| Victory Capital Management Inc | 105,674 | $664.0K | 0.00% | +60,328+133.0% | Added |
| Swiss National Bank | 102,400 | $643.0K | 0.00% | −12,400−10.8% | Reduced |
| State Board of Administration of Florida Retirement System | 99,496 | $625.0K | 0.00% | +10,000+11.2% | Added |
| Winton Group Ltd | 89,309 | $561.0K | 0.03% | +19,932+28.7% | Added |
| Alliancebernstein L.P. | 70,600 | $443.0K | 0.00% | +6,000+9.3% | Added |
| California State Teachers Retirement System | 68,491 | $430.0K | 0.00% | −10,394−13.2% | Reduced |
| State of Tennessee, Treasury Department | 67,657 | $425.0K | 0.00% | +67,657 | New |
| Invesco Ltd. | 66,838 | $419.0K | 0.00% | +947+1.4% | Added |
| IndexIQ Advisors LLC | 62,241 | $391.0K | 0.01% | +683+1.1% | Added |
| UBS Asset Management Americas Inc | 61,255 | $384.7K | 0.00% | +3,294+5.7% | Added |
| ExodusPoint Capital Management, LP | 61,199 | $384.0K | 0.01% | +61,199 | New |
| Nisa Investment Advisors, LLC | 59,435 | $373.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 57,982 | $364.0K | 0.00% | +6,462+12.5% | Added |
| D. E. Shaw & Co., Inc. | 57,158 | $359.0K | 0.00% | +38,013+198.6% | Added |
| TRUE Private Wealth Advisors | 54,114 | $339.0K | 0.05% | +39,908+280.9% | Added |
| Rhumbline Advisers | 53,139 | $334.0K | 0.00% | −6,585−11.0% | Reduced |
| Nantahala Capital Management, LLC | 49,605 | $312.0K | 0.02% | −55,097−52.6% | Reduced |
| HRT Financial LP | 47,894 | $300.0K | 0.00% | +32,180+204.8% | Added |
| Campbell & CO Investment Adviser LLC | 41,400 | $260.0K | 0.11% | +41,400 | New |
| O'Shaughnessy Asset Management, LLC | 39,107 | $246.0K | 0.00% | +19,122+95.7% | Added |
| Tudor Investment Corp Et Al | 37,962 | $238.0K | 0.00% | −40,737−51.8% | Reduced |
| Mackenzie Financial Corp | 36,090 | $227.0K | 0.00% | +36,090 | New |
| Manufacturers Life Insurance Company, The | 32,194 | $202.0K | 0.00% | −435−1.3% | Reduced |
| Deutsche Bank AG | 31,831 | $200.0K | 0.00% | −3,444−9.8% | Reduced |
| Credit Suisse AG | 31,672 | $198.0K | 0.00% | −3,632−10.3% | Reduced |
| Martingale Asset Management L P | 28,754 | $182.0K | 0.00% | +29+0.1% | Added |
| American International Group, Inc. | 27,745 | $174.0K | 0.00% | −2,636−8.7% | Reduced |
| ProShare Advisors LLC | 26,513 | $167.0K | 0.00% | +1,874+7.6% | Added |
| Balyasny Asset Management LLC | 26,091 | $164.0K | 0.00% | +26,091 | New |
| Bank of America Corp | 24,108 | $151.0K | 0.00% | −57,557−70.5% | Reduced |
| JPMorgan Chase & Co | 22,947 | $144.0K | 0.00% | −11,293−33.0% | Reduced |
| Ergoteles LLC | 22,700 | $143.0K | 0.00% | +22,700 | New |
| ETF Managers Group, LLC | 22,432 | $142.0K | 0.00% | −1,277−5.4% | Reduced |
| Acadian Asset Management LLC | 22,401 | $141.0K | 0.00% | +7,654+51.9% | Added |
| Regions Financial Corp | 21,500 | $135.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,304 | $134.0K | 0.00% | −4,629−17.8% | Reduced |
| Mutual Advisors, LLC | 20,546 | $129.0K | 0.01% | +6,000+41.2% | Added |
| STRS Ohio | 20,200 | $126.0K | 0.00% | +7,600+60.3% | Added |
| Virginia Retirement Systems Et Al | 18,800 | $118.0K | 0.00% | +18,800 | New |
| Federated Hermes, Inc. | 15,053 | $95.0K | 0.00% | −8−0.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,749 | $93.0K | 0.00% | 00.0% | Unchanged |
| Zebra Capital Management LLC | 14,459 | $91.0K | 0.11% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 14,164 | $89.0K | 0.00% | +575+4.2% | Added |
| Franklin Resources Inc | 13,736 | $86.0K | 0.00% | +1,334+10.8% | Added |
| Susquehanna International Group, LLP | 13,297 | $84.0K | 0.00% | +13,297 | New |
| Jane Street Group, LLC | 13,354 | $84.0K | 0.00% | +13,354 | New |
| Arizona State Retirement System | 12,624 | $79.0K | 0.00% | −2,021−13.8% | Reduced |
| Cypress Capital Management LLC | 12,500 | $79.0K | 0.01% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 12,078 | $76.0K | 0.00% | +12,078 | New |
| Commonwealth Equity Services, LLC | 10,290 | $64.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 10,305 | $64.0K | 0.00% | +2,489+31.8% | Added |
| Citigroup Inc | 8,724 | $55.0K | 0.00% | +3,242+59.1% | Added |
| Barclays PLC | 7,471 | $47.0K | 0.00% | −36,855−83.1% | Reduced |
| Clearstead Advisors, LLC | 7,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| Elmwood Wealth Management, Inc. | 6,600 | $41.0K | 0.02% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,390 | $34.0K | 0.00% | −375−6.5% | Reduced |
| Lazard Asset Management LLC | 5,157 | $32.0K | 0.00% | −5,591−52.0% | Reduced |
| FinTrust Capital Advisors, LLC | 5,000 | $31.0K | 0.01% | +5,000 | New |
| Ameritas Investment Partners, Inc. | 4,584 | $29.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,365 | $28.0K | 0.00% | −183−4.0% | Reduced |
| Advisory Services Network, LLC | 4,000 | $25.0K | 0.00% | +4,000 | New |
| Great West Life Assurance Co | 3,881 | $24.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 3,500 | $22.0K | 0.00% | +2,900+483.3% | Added |
| Jacobi Capital Management LLC | 2,500 | $16.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,510 | $16.0K | 0.00% | +310+14.1% | Added |
| BNP Paribas Arbitrage, SA | 1,872 | $11.8K | 0.00% | −5,606−75.0% | Reduced |
| Penserra Capital Management LLC | 1,730 | $10.0K | 0.00% | −60−3.4% | Reduced |
| Macquarie Group Ltd | 1,355 | $9.00K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,200 | $7.00K | 0.00% | +1,200 | New |
| Panagora Asset Management Inc | 806 | $5.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 776 | $5.00K | 0.00% | +65+9.1% | Added |
| The PNC Financial Services Group, Inc. | 512 | $4.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 426 | $3.00K | 0.00% | +251+143.4% | Added |
| Graves-Light Private Wealth Management, Inc. | 555 | $3.00K | 0.00% | +555 | New |
| Harbour Investments, Inc. | 304 | $2.00K | 0.00% | +2+0.7% | Added |
| Daiwa Securities Group Inc. | 172 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 207 | $1.00K | 0.00% | 00.0% | Unchanged |