Siga TechnologiesSIGA
13F holders, Q1 2025 (March 31)167holders −3
19new positions
23sold out
4famous investors
$5.48avg. 13F price*
At the end of Q1 2025, 167 institutions reported holding Siga Technologies Inc. (SIGA) in their 13F filings, down 3 from Q4 2024. 19 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($20.8M), Hotchkis & Wiley Capital Management LLC ($17.3M) and Vanguard Group Inc. ($13.7M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Siga Technologies Inc.
- CUSIP
- 826917106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $1.2M |
| Exits | 23 | $3.9M |
All 13F filers, Q4 2024 → Q1 2025: 3,337,472 shares bought and 2,840,556 shares sold, net +496,916 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 167 holders
| BlackRock, Inc. | 0.00% | Reduce -2.1% | 3,796,176 | $20.8M |
| Hotchkis & Wiley Capital Management LLC | 0.06% | Add +52.9% | 3,158,320 | $17.3M |
| Vanguard Group Inc. | 0.00% | Add +0.4% | 2,493,425 | $13.7M |
| AltraVue Capital, LLC | 1.32% | Reduce -9.2% | 2,396,954 | $13.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +10.7% | 2,352,883 | $12.9M |
| First Wilshire Securities Management Inc. | 2.49% | Reduce -33.2% | 1,586,849 | $8.7M |
| American Century Companies Inc. | 0.00% | Add +7.8% | 1,370,660 | $7.5M |
| Citadel Advisors | 0.01% | Add +10.3% | 1,160,813 | $6.4M |
| State Street Corp. | 0.00% | Reduce -4.3% | 1,107,427 | $6.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -7.4% | 1,048,825 | $5.7M |
| Jupiter Asset Management Ltd. | 0.05% | No change | 990,648 | $5.4M |
| Royce & Associates LP | 0.05% | Reduce -10.1% | 758,676 | $4.2M |
| Renaissance Technologies | 0.01% | Add +50.3% | 627,536 | $3.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +37.4% | 593,273 | $3.3M |
| New York State Common Retirement Fund | 0.00% | No change | 589,620 | $3.2M |
| D. E. Shaw & Co. | 0.00% | Reduce -7.6% | 547,855 | $3.0M |
| General American Investors Co. Inc. | 0.22% | No change | 539,738 | $3.0M |
| Legato Capital Management LLC | 0.39% | No change | 532,441 | $2.9M |
| Uniplan Investment Counsel, Inc. | 0.28% | Add +0.7% | 504,561 | $2.8M |
| Northern Trust Corp. | 0.00% | Add +1.0% | 469,594 | $2.6M |
| Foundry Partners, LLC | 0.13% | Add +1.4% | 447,783 | $2.5M |
| Denali Advisors LLC | 0.24% | Add +3.2% | 390,530 | $2.1M |
| LSV Asset Management | 0.01% | Add +135.2% | 380,988 | $2.1M |
| Federated Hermes, Inc. | 0.00% | Add +0.0% | 360,970 | $2.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -21.9% | 360,784 | $2.0M |
| Macquarie Group Ltd. | 0.00% | Reduce -39.3% | 321,173 | $1.8M |
| Segall Bryant & Hamill, LLC | 0.03% | Reduce -0.4% | 312,700 | $1.7M |
| Morgan Stanley | 0.00% | Add +16.4% | 292,859 | $1.6M |
| Bank of New York Mellon Corp | 0.00% | Add +0.3% | 290,433 | $1.6M |
| Los Angeles Capital Management LLC | 0.01% | Add +225.1% | 285,597 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -17.1% | 283,196 | $1.6M |
| Victory Capital Management Inc. | 0.00% | Reduce -9.2% | 280,041 | $1.5M |
| State of Wisconsin Investment Board | 0.00% | Reduce -15.9% | 254,702 | $1.4M |
| Harbor Capital Advisors, Inc. | 0.06% | Add +31.8% | 222,012 | $1.2M |
| Ameriprise Financial Inc. | 0.00% | Add +255.2% | 198,029 | $1.1M |
| Wellington Management Group LLP | 0.00% | Add +51.7% | 182,328 | $999K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +33.1% | 178,845 | $980K |
| Bank of America Corp. | 0.00% | Add +513.0% | 166,861 | $914K |
| Nuveen, LLC | 0.00% | — | 148,721 | $815K |
| First Trust Advisors LP | 0.00% | Reduce -2.1% | 143,085 | $784K |
| Invesco Ltd. | 0.00% | Reduce -0.4% | 120,774 | $662K |
| Jane Street Group, LLC | 0.00% | Add +233.9% | 114,147 | $626K |
| Aviva PLC | 0.00% | Add +12.4% | 105,861 | $580K |
| SummerHaven Investment Management, LLC | 0.37% | Add +2.6% | 96,208 | $527K |
| State of Wyoming | 0.06% | Add +91.0% | 87,203 | $478K |
| Martingale Asset Management L P | 0.01% | Add +3.2% | 86,157 | $472K |
| Swiss National Bank | 0.00% | No change | 83,900 | $460K |
| KLP Kapitalforvaltning As | 0.00% | No change | 81,200 | $445K |
| Franklin Resources Inc. | 0.00% | Reduce -1.2% | 73,676 | $404K |
| Rhumbline Advisers | 0.00% | Add +0.8% | 67,655 | $371K |
| Barclays PLC | 0.00% | Reduce -25.1% | 65,911 | $361K |
| Alliancebernstein L.P. | 0.00% | No change | 65,110 | $357K |
| Susquehanna International Group, LLP | 0.00% | Reduce -21.6% | 61,952 | $339K |
| Legal & General Group Plc | 0.00% | Reduce -0.8% | 59,470 | $326K |
| Ashton Thomas Private Wealth, LLC | 0.01% | Reduce -16.4% | 58,737 | $322K |
| Penn Mutual Asset Management | 0.81% | No change | 58,280 | $319K |
| James Investment Research, Inc. | 0.04% | No change | 53,546 | $293K |
| State of Tennessee, Department of Treasury | 0.00% | Add +64.7% | 50,771 | $278K |
| Kestra Advisory Services, LLC | 0.00% | Reduce -9.8% | 45,940 | $252K |
| UBS Group AG | 0.00% | Reduce -26.8% | 45,839 | $251K |
| Allianz Asset Management GmbH | 0.00% | Reduce -9.8% | 45,200 | $248K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -9.3% | 44,631 | $245K |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.3% | 43,328 | $238K |
| Engineers Gate Manager LP | 0.00% | Add +28.3% | 40,576 | $222K |
| California State Teachers Retirement System | 0.00% | No change | 40,272 | $221K |
| Citigroup Inc. | 0.00% | Reduce -18.3% | 38,705 | $212K |
| Campbell & CO Investment Adviser LLC | 0.02% | Add +250.1% | 38,634 | $212K |
| Sei Investments Co. | 0.00% | New | 38,320 | $210K |
| Creative Planning | 0.00% | Reduce -4.0% | 37,687 | $207K |
| Deutsche Bank AG | 0.00% | Reduce -12.3% | 36,665 | $201K |
| Man Group plc | 0.00% | New | 35,965 | $197K |
| Millennium Management | 0.00% | Reduce -49.2% | 34,430 | $189K |
| Significant Wealth Partners LLC | 0.10% | Add +21.4% | 34,269 | $188K |
| DGS Capital Management, LLC | 0.05% | Add +65.7% | 33,201 | $182K |
| Squarepoint Ops LLC | 0.00% | New | 30,938 | $170K |
| JPMorgan Chase & Co. | 0.00% | Add +13.0% | 30,848 | $169K |
| Intech Investment Management LLC | 0.00% | Add +20.2% | 30,397 | $167K |
| STRS Ohio | 0.00% | Reduce -55.0% | 30,200 | $165K |
| Cresset Asset Management, LLC | 0.00% | Add +0.6% | 28,530 | $156K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 26,000 | $154K |
| Two Sigma Investments, LP | 0.00% | New | 27,742 | $152K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 27,593 | $151K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.9% | 27,444 | $150K |
| Linden Thomas Advisory Services, LLC | 0.02% | Add +8.0% | 26,230 | $144K |
| HRT Financial LP | 0.00% | Add +27.7% | 25,704 | $140K |
| Cim Investment Management Inc. | 0.03% | Reduce -2.3% | 25,224 | $138K |
| Wells Fargo & Company | 0.00% | Add +2.2% | 24,125 | $132K |
| Principal Financial Group Inc. | 0.00% | Add +0.8% | 24,116 | $132K |
| FMR LLC | 0.00% | Reduce -43.1% | 23,962 | $131K |
| Freedom Investment Management, Inc. | 0.01% | Reduce -5.4% | 23,254 | $127K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 22,689 | $124K |
| Cerity Partners LLC | 0.00% | New | 21,797 | $119K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 21,057 | $115K |
| Sherbrooke Park Advisers LLC | 0.05% | Add +47.5% | 20,293 | $111K |
| Metis Global Partners, LLC | 0.00% | No change | 20,164 | $110K |
| EP Wealth Advisors, LLC | 0.00% | Add +44.1% | 20,018 | $110K |
| DAVENPORT & Co LLC | 0.00% | Reduce -36.5% | 20,000 | $110K |
| Janus Henderson Group PLC | 0.00% | No change | 19,579 | $109K |
| Cambria Investment Management, L.P. | 0.01% | New | 18,691 | $102K |
| Evergreen Capital Management LLC | 0.00% | New | 18,500 | $101K |
"% of holder's portfolio" is SIGA's weight in each manager's 13F, not the share of Siga Technologies Inc. the manager owns.