Siga TechnologiesSIGA

13F holders, Q2 2025 (June 30)
177holders +10
32new positions
22sold out
6famous investors
$6.52avg. 13F price*

At the end of Q2 2025, 177 institutions reported holding Siga Technologies Inc. (SIGA) in their 13F filings, up 10 from Q1 2025. 32 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($23.7M), Vanguard Group Inc. ($16.4M) and AltraVue Capital, LLC ($16.3M). 6 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

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 Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions32$8.7M
Exits22$1.8M

All 13F filers, Q1 2025 → Q2 2025: 3,330,316 shares bought and 3,587,284 shares sold, net −256,968 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 177 holders

BlackRock, Inc. 0.00% Reduce -4.4% 3,627,964 $23.7M
Vanguard Group Inc. 0.00% Add +0.8% 2,513,906 $16.4M
AltraVue Capital, LLC 1.43% Add +4.3% 2,501,144 $16.3M
Dimensional Fund Advisors LP 0.00% Add +2.3% 2,407,479 $15.7M
Hotchkis & Wiley Capital Management LLC 0.04% Reduce -34.5% 2,067,760 $13.5M
American Century Companies Inc. 0.01% Add +2.5% 1,405,174 $9.2M
Citadel Advisors 0.01% Add +20.1% 1,394,495 $9.1M
State Street Corp. 0.00% Add +0.2% 1,110,017 $7.2M
Geode Capital Management, LLC 0.00% Reduce -4.8% 997,948 $6.5M
Jupiter Asset Management Ltd. 0.05% No change 990,648 $6.5M
First Wilshire Securities Management Inc. 1.24% Reduce -56.1% 697,209 $4.5M
Royce & Associates LP 0.04% Reduce -15.3% 642,582 $4.2M
Renaissance Technologies 0.01% Reduce -4.6% 598,912 $3.9M
New York State Common Retirement Fund 0.01% Add +0.6% 593,050 $3.9M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -2.4% 578,781 $3.8M
General American Investors Co. Inc. 0.24% No change 539,738 $3.5M
Legato Capital Management LLC 0.42% Add +0.8% 536,511 $3.5M
Morgan Stanley 0.00% Add +78.2% 521,868 $3.4M
Goldman Sachs Group Inc. 0.00% Add +84.2% 521,607 $3.4M
Uniplan Investment Counsel, Inc. 0.32% Reduce -8.5% 461,551 $3.0M
Jacobs Levy Equity Management, Inc. 0.01% New 438,854 $2.9M
D. E. Shaw & Co. 0.00% Reduce -21.0% 433,022 $2.8M
Bank of America Corp. 0.00% Add +143.2% 405,730 $2.6M
Northern Trust Corp. 0.00% Reduce -14.1% 403,373 $2.6M
Denali Advisors LLC 0.27% Add +0.1% 391,103 $2.5M
LSV Asset Management 0.01% No change 380,988 $2.5M
Federated Hermes, Inc. 0.00% Add +0.6% 362,961 $2.4M
CSM Advisors, LLC 0.07% New 358,257 $2.3M
Charles Schwab Investment Management Inc. 0.00% Reduce -7.0% 335,595 $2.2M
Victory Capital Management Inc. 0.00% Add +10.7% 309,956 $2.0M
Macquarie Group Ltd. 0.00% Reduce -7.3% 297,771 $1.9M
Bank of New York Mellon Corp 0.00% Add +0.4% 291,475 $1.9M
Segall Bryant & Hamill, LLC 0.03% Reduce -9.7% 282,345 $1.8M
Ameriprise Financial Inc. 0.00% Add +34.8% 266,905 $1.7M
State of Wisconsin Investment Board 0.00% Reduce -0.5% 253,502 $1.7M
Royal Bank of Canada 0.00% Add +227387.2% 213,838 $1.4M
Wellington Management Group LLP 0.00% Add +13.2% 206,329 $1.3M
Campbell & CO Investment Adviser LLC 0.08% Add +413.6% 198,413 $1.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +9.3% 195,475 $1.3M
Los Angeles Capital Management LLC 0.00% Reduce -43.7% 160,853 $1.0M
First Trust Advisors LP 0.00% Add +5.5% 150,913 $984K
Harbor Capital Advisors, Inc. 0.04% Reduce -38.5% 136,457 $890K
Martingale Asset Management L P 0.02% Add +39.0% 119,747 $781K
Two Sigma Investments, LP 0.00% Add +310.0% 113,735 $742K
Bridgeway Capital Management, LLC 0.02% New 111,568 $727K
Invesco Ltd. 0.00% Reduce -9.2% 109,628 $715K
Nuveen, LLC 0.00% Reduce -32.7% 100,098 $653K
SummerHaven Investment Management, LLC 0.42% Add +2.4% 98,525 $642K
Jane Street Group, LLC 0.00% Reduce -13.9% 98,233 $640K
Barclays PLC 0.00% Add +44.3% 95,086 $620K
Swiss National Bank 0.00% No change 83,900 $547K
KLP Kapitalforvaltning As 0.00% No change 81,200 $529K
Franklin Resources Inc. 0.00% Add +0.1% 73,761 $481K
Susquehanna International Group, LLP 0.00% Add +14.0% 70,651 $461K
Alliancebernstein L.P. 0.00% Add +6.1% 69,110 $451K
Rhumbline Advisers 0.00% Add +0.6% 68,086 $444K
Wealth Enhancement Advisory Services, LLC 0.00% New 58,892 $394K
Millennium Management 0.00% Add +64.1% 56,485 $368K
James Investment Research, Inc. 0.04% No change 53,546 $349K
Legal & General Group Plc 0.00% Reduce -10.7% 53,094 $346K
Aviva PLC 0.00% Reduce -51.7% 51,144 $333K
DAVENPORT & Co LLC 0.00% Add +150.0% 50,000 $326K
Walleye Capital LLC 0.00% New 49,080 $320K
Cim Investment Management Inc. 0.06% Add +100.7% 50,635 $317K
HRT Financial LP 0.00% Add +83.0% 47,044 $306K
Significant Wealth Partners LLC 0.14% Add +27.6% 43,721 $285K
T. Rowe Price Associates Inc. 0.00% Reduce -1.3% 42,765 $279K
State of Wyoming 0.03% Reduce -53.8% 40,302 $263K
California State Teachers Retirement System 0.00% No change 40,272 $263K
Exchange Traded Concepts, LLC 0.00% Reduce -12.1% 39,223 $256K
Penn Mutual Asset Management 0.55% Reduce -34.3% 38,280 $250K
Tudor Investment Corporation 0.00% New 36,576 $238K
Man Group plc 0.00% Add +0.7% 36,199 $236K
UBS Group AG 0.00% Reduce -24.2% 34,761 $227K
Creative Planning 0.00% Reduce -8.3% 34,546 $225K
Principal Financial Group Inc. 0.00% Add +33.8% 32,276 $210K
Two Sigma Advisers, LP 0.00% New 32,100 $209K
State of Tennessee, Department of Treasury 0.00% Reduce -39.5% 30,708 $200K
Sei Investments Co. 0.00% Reduce -20.6% 30,420 $198K
Deutsche Bank AG 0.00% Reduce -18.4% 29,910 $195K
DGS Capital Management, LLC 0.04% Reduce -10.3% 29,776 $194K
HSBC Holdings PLC 0.00% New 28,461 $190K
Brevan Howard Capital Management LP 0.00% New 28,936 $189K
Kapitalo Investimentos Ltda 0.04% New 28,089 $183K
October Effect Ltd 0.22% — 27,666 $180K
Linden Thomas Advisory Services, LLC 0.02% Add +5.3% 27,633 $180K
MetLife Investment Management, LLC 0.00% Add +0.3% 27,524 $179K
Cresset Asset Management, LLC 0.00% Reduce -4.2% 27,331 $178K
Oxford Asset Management LLP 0.06% New 27,112 $177K
Washington Growth Strategies LLC 0.13% — 26,216 $171K
STRS Ohio 0.00% Reduce -15.9% 25,400 $166K
JPMorgan Chase & Co. 0.00% Reduce -19.0% 24,988 $163K
Intech Investment Management LLC 0.00% Reduce -24.5% 22,956 $150K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -18.5% 22,480 $147K
Wells Fargo & Company 0.00% Reduce -7.2% 22,380 $146K
Vanguard Personalized Indexing Management, LLC 0.00% Add +44.6% 21,432 $140K
CIBC Private Wealth Group LLC 0.00% Reduce -18.0% 21,316 $139K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 21,057 $137K
Cambria Investment Management, L.P. 0.01% Add +12.0% 20,933 $136K
Metis Global Partners, LLC 0.00% No change 20,164 $131K
EP Wealth Advisors, LLC 0.00% Reduce -1.6% 19,707 $128K
Janus Henderson Group PLC 0.00% No change 19,579 $128K
Centiva Capital, LP 0.01% New 19,366 $126K
AQR Capital Management 0.00% New 19,356 $126K
Public Employees Retirement System of Ohio 0.00% New 18,900 $123K
Citigroup Inc. 0.00% Reduce -52.6% 18,335 $120K
Evergreen Capital Management LLC 0.00% Reduce -1.7% 18,190 $119K
Freedom Investment Management, Inc. 0.01% Reduce -27.8% 16,799 $110K
Quantinno Capital Management LP 0.00% New 16,620 $108K
Manufacturers Life Insurance Company, The 0.00% Reduce -9.4% 15,664 $102K
Russell Investments Group, Ltd. 0.00% Add +57.5% 15,637 $102K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 14,615 $95K
China Universal Asset Management Co., Ltd. 0.01% Add +0.2% 14,349 $94K
Corient Private Wealth LP 0.00% Add +16.4% 14,097 $92K
Commonwealth Equity Services, LLC 0.00% Add +10.4% 13,838 $90K
State Board of Administration of Florida Retirement System 0.00% No change 13,360 $87K
Globeflex Capital L P 0.01% No change 13,104 $85K
Voya Investment Management LLC 0.00% No change 13,065 $85K
Onyx Bridge Wealth Group LLC 0.01% No change 13,000 $85K
Arizona State Retirement System 0.00% Add +1.8% 12,489 $81K
Bailard, Inc. 0.00% New 11,900 $78K
Teacher Retirement System of Texas 0.00% Add +0.2% 11,554 $75K
Kestra Advisory Services, LLC 0.00% Reduce -75.0% 11,501 $75K
ProShare Advisors LLC 0.00% Reduce -16.3% 11,089 $72K
Captrust Financial Advisors 0.00% Reduce -5.4% 10,306 $67K
US Bancorp \de 0.00% New 9,693 $63K
Police & Firemen's Retirement System of New Jersey 0.00% Add +1.4% 9,226 $60K
DekaBank Deutsche Girozentrale 0.00% New 5,160 $48K
Tower Research Capital LLC (TRC) 0.00% Add +116.5% 6,817 $44K
Brooklyn Investment Group 0.01% Add +7186.3% 5,829 $38K
Parallel Advisors, LLC 0.00% Add +25.1% 5,261 $34K
BNP Paribas Financial Markets 0.00% Add +34.0% 4,661 $30K
Summit Securities Group LLC 0.01% New 4,365 $28K
SBI Securities Co., Ltd. 0.00% Add +24.6% 4,190 $27K
Ameritas Investment Partners, Inc. 0.00% No change 3,774 $25K
FMR LLC 0.00% Reduce -84.5% 3,724 $24K
Signaturefd, LLC 0.00% Add +64.5% 3,554 $23K
Osaic Holdings, Inc. 0.00% Reduce -43.1% 3,062 $20K
Clearstead Advisors, LLC 0.00% No change 3,000 $20K
National Bank of Canada 0.00% Add +50.0% 3,000 $20K
Steward Partners Investment Advisory, LLC 0.00% No change 2,900 $19K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +15.5% 2,760 $18K
Simplex Trading, LLC 0.00% Reduce -5.3% 2,316 $15K
CANADA LIFE ASSURANCE Co 0.00% No change 2,265 $15K
Group One Trading LLC 0.00% New 2,292 $15K
WealthCollab, LLC 0.01% Add +33.0% 2,105 $14K
GF Fund Management Co. LTD. 0.00% No change 1,828 $12K
Amalgamated Bank 0.00% No change 1,680 $11K
Nisa Investment Advisors, LLC 0.00% Add +3.4% 1,527 $10K
Private Wealth Asset Management, LLC 0.00% No change 1,350 $9K
Versant Capital Management, Inc 0.00% New 1,242 $8K
Global Retirement Partners, LLC 0.00% — 1,119 $7K
Raymond James Financial Inc. 0.00% New 1,049 $7K
Allworth Financial LP 0.00% Add +27.6% 838 $5K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 796 $5K
Farther Finance Advisors, LLC 0.00% Add +495.8% 572 $4K
Cwm, LLC 0.00% Add +131.4% 523 $3K
Sterling Capital Management LLC 0.00% Add +59.6% 407 $3K
GAMMA Investing LLC 0.00% New 369 $2K
Daiwa Securities Group Inc. 0.00% No change 270 $2K
PNC Financial Services Group, Inc. 0.00% New 280 $2K
Rothschild Investment LLC 0.00% Add +24.4% 255 $2K
Toth Financial Advisory Corp. 0.00% New 250 $2K
EverSource Wealth Advisors, LLC 0.00% Reduce -40.4% 177 $1K
Physician Wealth Advisors, Inc. 0.00% New 154 $1K
Arax Advisory Partners 0.00% No change 151 $985
Principal Securities, Inc. 0.00% No change 100 $652
Rialto Wealth Management, LLC 0.00% No change 89 $581
Smartleaf Asset Management LLC 0.00% Reduce -20.0% 88 $568
Stephens Consulting, LLC 0.00% New 65 $424
Larson Financial Group LLC 0.00% No change 47 $306
Game Plan Financial Advisors, LLC 0.00% No change 35 $228
Sunbelt Securities, Inc. 0.00% New 27 $162
True Wealth Design, LLC 0.00% New 6 $40
Parkside Financial Bank & Trust 0.00% Reduce -98.8% 1 $7
Avion Wealth 0.00% No change 108 $0
Covestor Ltd 0.00% No change 9 $0

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