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 2022
Institutional positions in Siga Technologies Inc as of Jun 30, 2022. 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
- 142
- +36 vs. Q1 2022
- Shares held
- 26.1M
- +6.13M (+30.7%) vs. Q1 2022
- Total value
- $302.3M
- +$160.9M (+113.8%) vs. Q1 2022
- New holders
- 43
- 28 more added
- Sold out
- 7
- 51 more reduced
4 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Uniplan Investment Counsel, Inc. | 103,411 | $1.20M | 0.08% | +103,411 | New |
| Swiss National Bank | 105,100 | $1.22M | 0.00% | 00.0% | Unchanged |
| EAM Investors, LLC | 108,941 | $1.26M | 0.31% | +108,941 | New |
| Ancora Advisors, LLC | 109,735 | $1.27M | 0.04% | +15,600+16.6% | Added |
| Davenport & Co LLC | 112,885 | $1.31M | 0.01% | −106,192−48.5% | Reduced |
| Charles Schwab Investment Management Inc | 120,583 | $1.40M | 0.00% | −5,750−4.6% | Reduced |
| Friess Associates LLC | 121,225 | $1.40M | 2.34% | +121,225 | New |
| Jane Street Group, LLC | 123,514 | $1.43M | 0.00% | +123,514 | New |
| Royce & Associates LP | 128,682 | $1.49M | 0.02% | −324,678−71.6% | Reduced |
| Russell Investments Group, Ltd. | 133,327 | $1.54M | 0.00% | −39,845−23.0% | Reduced |
| Globeflex Capital L P | 138,893 | $1.61M | 0.39% | −46,642−25.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 141,412 | $1.64M | 0.00% | −130,729−48.0% | Reduced |
| EAM Global Investors LLC | 159,135 | $1.84M | 0.45% | +159,135 | New |
| Hillsdale Investment Management Inc. | 159,905 | $1.85M | 0.15% | 00.0% | Unchanged |
| First Wilshire Securities Management Inc | 161,739 | $1.87M | 0.70% | +161,739 | New |
| Nuveen Asset Management, LLC | 162,290 | $1.88M | 0.00% | −7,290−4.3% | Reduced |
| American Century Companies Inc | 212,235 | $2.46M | 0.00% | +124,927+143.1% | Added |
| Bank of New York Mellon Corp | 213,114 | $2.47M | 0.00% | −12,163−5.4% | Reduced |
| Teacher Retirement System of Texas | 217,162 | $2.52M | 0.02% | +155,288+251.0% | Added |
| Invesco Ltd. | 219,489 | $2.54M | 0.00% | +130,691+147.2% | Added |
| Morgan Stanley | 245,534 | $2.84M | 0.00% | +154,915+171.0% | Added |
| Two Sigma Advisers, LP | 256,300 | $2.97M | 0.01% | +256,300 | New |
| Credit Suisse AG | 268,162 | $3.10M | 0.00% | +16,976+6.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 288,979 | $3.35M | 0.02% | +288,979 | New |
| Cubist Systematic Strategies, LLC | 326,640 | $3.78M | 0.03% | +326,640 | New |
| New York State Common Retirement Fund | 331,186 | $3.83M | 0.01% | −98,867−23.0% | Reduced |
| Voloridge Investment Management, LLC | 405,756 | $4.70M | 0.02% | +405,756 | New |
| Legato Capital Management LLC | 409,310 | $4.74M | 1.06% | −132,700−24.5% | Reduced |
| Northern Trust Corp | 447,588 | $5.18M | 0.00% | +11,622+2.7% | Added |
| Renaissance Technologies LLC | 637,511 | $7.38M | 0.01% | −47,803−7.0% | Reduced |
| Two Sigma Investments, LP | 668,204 | $7.74M | 0.03% | +668,204 | New |
| Geode Capital Management, LLC | 785,974 | $9.10M | 0.00% | −28,018−3.4% | Reduced |
| Price Jennifer C. | 804,559 | $9.32M | 1.59% | +804,559 | New |
| Marshall Wace, LLP | 878,129 | $10.2M | 0.02% | +878,129 | New |
| State Street Corp | 992,844 | $11.5M | 0.00% | −71,363−6.7% | Reduced |
| Dimensional Fund Advisors LP | 1,138,032 | $13.2M | 0.00% | +185,398+19.5% | Added |
| Kempen Capital Management N.V. | 1,461,871 | $16.9M | 0.61% | +84,889+6.2% | Added |
| AltraVue Capital, LLC | 1,862,476 | $21.6M | 3.17% | −609,490−24.7% | Reduced |
| Vanguard Group Inc | 2,159,386 | $25.0M | 0.00% | −75,131−3.4% | Reduced |
| D. E. Shaw & Co., Inc. | 3,216,528 | $37.2M | 0.06% | +3,072,322+2,130.5% | Added |
| BlackRock Inc. | 3,419,333 | $39.6M | 0.00% | −168,522−4.7% | Reduced |
| IFP Advisors, Inc | 445 | – | – | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −122,327−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −25,069−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −21,618−100.0% | Sold out |
| Cypress Capital Management LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −10,753−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −4,428−100.0% | Sold out |
| Aaron Wealth Advisors | 0 | $0 | 0.00% | −3,885−100.0% | Sold out |
| Price Michael F | – | – | – | – | Not filed |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |