Siga TechnologiesSIGA

13F holders, Q3 2025 (September 30)
197holders +20
37new positions
17sold out
6famous investors
$9.15avg. 13F price*

At the end of Q3 2025, 197 institutions reported holding Siga Technologies Inc. (SIGA) in their 13F filings, up 20 from Q2 2025. 37 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($32.3M), Vanguard Group Inc. ($24.3M) and Dimensional Fund Advisors LP ($22.3M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Siga Technologies Inc.
CUSIP
826917106
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 143Q1 2024Q2 2024: 151Q2 2024Q3 2024: 169Q3 2024Q4 2024: 170Q4 2024Q1 2025: 167Q1 2025Q2 2025: 177Q2 2025Q3 2025: 197Q3 2025Q4 2025: 200Q4 2025Q1 2026: 183Q1 2026Q2 2026: 160Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions37$10.4M
Exits17$6.2M

All 13F filers, Q2 2025 → Q3 2025: 3,887,796 shares bought and 4,349,383 shares sold, net −461,587 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 197 holders

BlackRock, Inc. 0.00% Reduce -2.8% 3,526,009 $32.3M
Vanguard Group Inc. 0.00% Add +5.7% 2,655,942 $24.3M
Dimensional Fund Advisors LP 0.00% Add +1.0% 2,432,380 $22.3M
AltraVue Capital, LLC 1.83% Reduce -3.3% 2,417,514 $22.1M
American Century Companies Inc. 0.01% Reduce -12.3% 1,232,732 $11.3M
Citadel Advisors 0.01% Reduce -19.3% 1,125,163 $10.3M
State Street Corp. 0.00% Reduce -6.9% 1,033,854 $9.5M
Geode Capital Management, LLC 0.00% Add +0.0% 998,222 $9.1M
Jupiter Asset Management Ltd. 0.08% No change 990,648 $9.1M
Arrowstreet Capital, Limited Partnership 0.00% Add +44.2% 834,683 $7.6M
Hotchkis & Wiley Capital Management LLC 0.02% Reduce -60.0% 827,587 $7.6M
First Wilshire Securities Management Inc. 1.67% Reduce -1.3% 687,897 $6.3M
Royce & Associates LP 0.06% Add +5.9% 680,222 $6.2M
Morgan Stanley 0.00% Add +25.9% 656,962 $6.0M
CSM Advisors, LLC 0.15% Add +66.5% 596,512 $5.5M
New York State Common Retirement Fund 0.01% Reduce -3.8% 570,561 $5.2M
Goldman Sachs Group Inc. 0.00% Add +2.0% 532,140 $4.9M
Bank of America Corp. 0.00% Add +27.9% 518,771 $4.7M
Legato Capital Management LLC 0.51% Reduce -4.6% 512,039 $4.7M
D. E. Shaw & Co. 0.00% Add +15.4% 499,753 $4.6M
Jacobs Levy Equity Management, Inc. 0.02% Add +5.7% 463,705 $4.2M
LSV Asset Management 0.01% Add +9.8% 418,330 $3.8M
Uniplan Investment Counsel, Inc. 0.37% Reduce -14.1% 396,519 $3.6M
Northern Trust Corp. 0.00% Reduce -2.6% 392,880 $3.6M
Denali Advisors LLC 0.37% Reduce -7.9% 360,300 $3.3M
Victory Capital Management Inc. 0.00% Add +15.5% 357,886 $3.3M
Charles Schwab Investment Management Inc. 0.00% Add +4.1% 349,376 $3.2M
Federated Hermes, Inc. 0.01% Reduce -3.8% 349,184 $3.2M
AQR Capital Management 0.00% Add +1698.3% 348,081 $3.2M
Renaissance Technologies 0.00% Reduce -48.5% 308,500 $2.8M
Janus Henderson Group PLC 0.00% Add +1376.5% 289,086 $2.6M
Macquarie Group Ltd. 0.00% Reduce -4.5% 284,219 $2.6M
Segall Bryant & Hamill, LLC 0.03% Reduce -0.6% 280,647 $2.6M
Bank of New York Mellon Corp 0.00% Reduce -7.3% 270,330 $2.5M
Millennium Management 0.00% Add +353.8% 256,337 $2.3M
Bridgeway Capital Management, LLC 0.04% Add +95.3% 217,868 $2.0M
State of Wisconsin Investment Board 0.00% Reduce -15.1% 215,302 $2.0M
JPMorgan Chase & Co. 0.00% Add +744.6% 211,055 $1.9M
Brandywine Global Investment Management, LLC 0.01% New 181,630 $1.7M
UBS Group AG 0.00% Add +397.7% 173,012 $1.6M
Ameriprise Financial Inc. 0.00% Reduce -35.4% 172,490 $1.6M
First Trust Advisors LP 0.00% Add +0.5% 151,645 $1.4M
Wellington Management Group LLP 0.00% Reduce -30.6% 143,106 $1.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -34.6% 127,829 $1.2M
Cubist Systematic Strategies, LLC 0.02% New 126,915 $1.2M
SummerHaven Investment Management, LLC 0.65% Add +24.6% 122,709 $1.1M
State Board of Administration of Florida Retirement System 0.00% Add +780.7% 117,662 $1.1M
Jane Street Group, LLC 0.00% Add +10.5% 108,546 $993K
Martingale Asset Management L P 0.02% Reduce -11.8% 105,660 $967K
WINTON GROUP Ltd 0.04% New 105,583 $966K
Invesco Ltd. 0.00% Reduce -4.0% 105,275 $963K
Nuveen, LLC 0.00% No change 100,098 $916K
Walleye Capital LLC 0.01% Add +85.2% 90,906 $832K
KLP Kapitalforvaltning As 0.00% Add +7.9% 87,600 $802K
Acadian Asset Management LLC 0.00% New 85,481 $778K
Swiss National Bank 0.00% No change 83,900 $768K
Campbell & CO Investment Adviser LLC 0.06% Reduce -58.0% 83,413 $763K
Prudential Financial Inc. 0.00% New 83,387 $763K
Franklin Resources Inc. 0.00% Add +8.8% 80,239 $734K
Royal Bank of Canada 0.00% Reduce -62.8% 79,550 $728K
Jump Financial, LLC 0.01% New 74,170 $679K
Barclays PLC 0.00% Reduce -23.6% 72,618 $664K
STRS Ohio 0.00% Add +161.4% 66,400 $608K
Rhumbline Advisers 0.00% Reduce -5.5% 64,337 $589K
Alliancebernstein L.P. 0.00% Reduce -7.8% 63,710 $583K
State of Wyoming 0.06% Add +45.2% 58,520 $535K
Creative Planning 0.00% Add +64.9% 56,959 $521K
Wealth Enhancement Advisory Services, LLC 0.00% Add +2.6% 60,420 $510K
Aviva PLC 0.00% Add +8.8% 55,623 $509K
James Investment Research, Inc. 0.05% No change 53,546 $490K
Legal & General Group Plc 0.00% No change 53,094 $486K
Alps Advisors Inc. 0.00% New 51,120 $468K
Man Group plc 0.00% Add +30.4% 47,191 $432K
Qube Research & Technologies Ltd 0.00% New 46,189 $423K
Los Angeles Capital Management LLC 0.00% Reduce -71.8% 45,447 $416K
Trexquant Investment LP 0.00% New 45,318 $415K
O'shaughnessy Asset Management, LLC 0.00% New 44,797 $410K
Significant Wealth Partners LLC 0.20% Add +1.7% 44,452 $407K
Principal Financial Group Inc. 0.00% Add +36.3% 43,993 $403K
T. Rowe Price Associates Inc. 0.00% No change 42,765 $392K
Cresset Asset Management, LLC 0.00% Add +48.9% 40,690 $372K
California State Teachers Retirement System 0.00% Add +0.0% 40,274 $369K
Penn Mutual Asset Management 0.86% No change 38,280 $350K
DGS Capital Management, LLC 0.06% Add +11.7% 33,268 $304K
ExodusPoint Capital Management, LP 0.00% New 32,904 $301K
Exchange Traded Concepts, LLC 0.00% Reduce -19.9% 31,433 $288K
HSBC Holdings PLC 0.00% Add +10.3% 31,400 $287K
Wells Fargo & Company 0.00% Add +37.5% 30,778 $282K
Sei Investments Co. 0.00% Add +0.0% 30,422 $278K
Deutsche Bank AG 0.00% No change 29,910 $274K
Susquehanna International Group, LLP 0.00% Reduce -58.7% 29,201 $267K
Linden Thomas Advisory Services, LLC 0.03% Add +3.3% 28,547 $261K
Russell Investments Group, Ltd. 0.00% Add +77.2% 27,706 $254K
Petrus Trust Company, LTA 0.03% New 26,414 $242K
Washington Growth Strategies LLC 0.17% No change 26,216 $240K
Centiva Capital, LP 0.02% Add +33.4% 25,828 $236K
October Effect Ltd 0.26% Reduce -7.2% 25,666 $235K
Cim Investment Management Inc. 0.06% Reduce -51.9% 24,379 $223K
State of Tennessee, Department of Treasury 0.00% Reduce -24.3% 23,244 $213K
Envestnet Asset Management Inc. 0.00% New 22,179 $203K
MetLife Investment Management, LLC 0.00% Reduce -20.4% 21,903 $200K
Cambria Investment Management, L.P. 0.01% Add +4.5% 21,884 $200K
Vanguard Personalized Indexing Management, LLC 0.00% Add +1.3% 21,702 $199K
CIBC Private Wealth Group LLC 0.00% No change 21,316 $195K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 21,057 $193K
Intech Investment Management LLC 0.00% Reduce -11.6% 20,289 $186K
Metis Global Partners, LLC 0.00% No change 20,164 $185K
Corton Capital Inc. 0.45% New 19,823 $181K
Prelude Capital Management, LLC 0.01% New 19,700 $180K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -14.3% 19,268 $176K
Public Employees Retirement System of Ohio 0.00% No change 18,900 $173K
Graham Capital Management, L.P. 0.01% New 18,358 $168K
Evergreen Capital Management LLC 0.00% Reduce -0.5% 18,103 $166K
Quantinno Capital Management LP 0.00% Add +3.7% 17,231 $158K
Lazard Asset Management LLC 0.00% New 16,162 $148K
Engineers Gate Manager LP 0.00% New 16,135 $148K
PharVision Advisers, LLC 0.08% New 15,061 $138K
Vestcor Inc 0.00% New 14,603 $134K
Manufacturers Life Insurance Company, The 0.00% Reduce -8.7% 14,301 $131K
Bailard, Inc. 0.00% Add +19.3% 14,200 $130K
Schonfeld Strategic Advisors LLC 0.00% New 14,103 $129K
Corient Private Wealth LP 0.00% Reduce -0.2% 14,067 $129K
SG Americas Securities, LLC 0.00% New 13,880 $127K
Commonwealth Equity Services, LLC 0.00% No change 13,838 $127K
Sherbrooke Park Advisers LLC 0.06% New 13,628 $125K
Globeflex Capital L P 0.02% No change 13,104 $120K
Onyx Bridge Wealth Group LLC 0.01% No change 13,000 $119K
Arizona State Retirement System 0.00% Add +1.7% 12,699 $116K
China Universal Asset Management Co., Ltd. 0.01% Reduce -12.5% 12,551 $115K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -17.4% 12,078 $111K
One Wealth Advisors, LLC 0.01% New 11,622 $106K
Police & Firemen's Retirement System of New Jersey 0.00% Add +23.7% 11,414 $104K
Kestra Advisory Services, LLC 0.00% Reduce -1.0% 11,381 $104K
Captrust Financial Advisors 0.00% Add +5.9% 10,911 $100K
AlphaQuest LLC 0.01% New 10,550 $97K
Teacher Retirement System of Texas 0.00% Reduce -9.6% 10,441 $96K
Gotham Asset Management 0.00% New 10,059 $92K
BNP Paribas Financial Markets 0.00% Add +94.0% 9,041 $83K
Citigroup Inc. 0.00% Reduce -59.5% 7,422 $68K
Simplex Trading, LLC 0.00% Add +145.3% 5,682 $51K
Parallel Advisors, LLC 0.00% Add +3.0% 5,420 $50K
DekaBank Deutsche Girozentrale 0.00% No change 5,160 $48K
FMR LLC 0.00% Add +7.8% 4,014 $37K
Quadrant Capital Group LLC 0.00% New 4,011 $37K
Ameritas Investment Partners, Inc. 0.00% No change 3,774 $35K
State of Alaska, Department of Revenue 0.00% New 3,767 $34K
Signaturefd, LLC 0.00% Add +2.0% 3,627 $33K
SBI Securities Co., Ltd. 0.00% Reduce -16.0% 3,520 $32K
Group One Trading LLC 0.00% Add +30.7% 2,995 $27K
National Bank of Canada 0.00% Reduce -1.2% 2,963 $27K
Tower Research Capital LLC (TRC) 0.00% Reduce -57.7% 2,885 $26K
Osaic Holdings, Inc. 0.00% Add +1.0% 3,093 $26K
WealthCollab, LLC 0.01% Add +35.7% 2,857 $26K
Point72 (DIFC) Ltd 0.00% New 2,848 $26K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +0.3% 2,768 $25K
Quarry LP 0.01% New 2,488 $23K
CANADA LIFE ASSURANCE Co 0.00% No change 2,265 $20K
Cwm, LLC 0.00% Add +286.6% 2,022 $19K
Clearstead Advisors, LLC 0.00% Reduce -31.5% 2,055 $19K
Curio Wealth, LLC 0.01% New 2,000 $18K
Amalgamated Bank 0.00% No change 1,680 $15K
GF Fund Management Co. LTD. 0.00% Reduce -16.4% 1,529 $14K
Nisa Investment Advisors, LLC 0.00% No change 1,527 $14K
Arax Advisory Partners 0.00% Add +896.0% 1,504 $14K
Private Wealth Asset Management, LLC 0.00% No change 1,350 $12K
Versant Capital Management, Inc 0.00% No change 1,242 $11K
Global Retirement Partners, LLC 0.00% No change 1,119 $10K
Allworth Financial LP 0.00% Add +7.3% 899 $8K
Covestor Ltd 0.00% Add +10155.6% 923 $8K
Farther Finance Advisors, LLC 0.00% Add +40.0% 801 $7K
Sterling Capital Management LLC 0.00% Add +63.1% 664 $6K
Harbor Capital Advisors, Inc. 0.00% Reduce -99.5% 625 $6K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -20.4% 634 $6K
Altshuler Shaham Ltd 0.00% New 488 $4K
SJS Investment Consulting Inc. 0.00% New 455 $4K
Optiver Holding B.V. 0.00% New 450 $4K
GAMMA Investing LLC 0.00% Reduce -13.6% 319 $3K
US Bancorp \de 0.00% Reduce -96.8% 313 $3K
Essential Partners LLC 0.00% New 277 $3K
Rothschild Investment LLC 0.00% No change 255 $2K
PNC Financial Services Group, Inc. 0.00% Reduce -8.9% 255 $2K
Toth Financial Advisory Corp. 0.00% No change 250 $2K
Daiwa Securities Group Inc. 0.00% No change 270 $2K
EverSource Wealth Advisors, LLC 0.00% Add +19.2% 211 $2K
Physician Wealth Advisors, Inc. 0.00% No change 154 $1K
Principal Securities, Inc. 0.00% No change 100 $915
Rialto Wealth Management, LLC 0.00% No change 89 $815
Smartleaf Asset Management LLC 0.00% No change 88 $788
Larson Financial Group LLC 0.00% No change 47 $430
Game Plan Financial Advisors, LLC 0.00% No change 35 $320
Root Financial Partners, LLC 0.00% New 14 $128
IFP Advisors, Inc 0.00% Add +0.0% 12 $110
Caitong International Asset Management Co., Ltd 0.00% New 8 $73
True Wealth Design, LLC 0.00% No change 6 $55
Sunbelt Securities, Inc. 0.00% Reduce -88.9% 3 $27
Parkside Financial Bank & Trust 0.00% No change 1 $10
Avion Wealth 0.00% No change 108 $0

"% of holder's portfolio" is SIGA's weight in each manager's 13F, not the share of Siga Technologies Inc. the manager owns.