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

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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions19$1.2M
Exits23$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
Manufacturers Life Insurance Company, The 0.00% Reduce -2.2% 17,282 $95K
Lazard Asset Management LLC 0.00% Reduce -27.1% 16,182 $87K
Vanguard Personalized Indexing Management, LLC 0.00% Add +47.5% 14,816 $81K
China Universal Asset Management Co., Ltd. 0.01% Reduce -5.4% 14,323 $78K
State Board of Administration of Florida Retirement System 0.00% No change 13,360 $73K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% — 13,341 $73K
ProShare Advisors LLC 0.00% Reduce -19.4% 13,246 $73K
Globeflex Capital L P 0.01% No change 13,104 $72K
Voya Investment Management LLC 0.00% Reduce -11.7% 13,065 $72K
Atom Investors LP 0.01% New 13,012 $71K
Onyx Bridge Wealth Group LLC 0.01% No change 13,000 $71K
Commonwealth Equity Services, LLC 0.00% Reduce -0.4% 12,529 $69K
Arizona State Retirement System 0.00% Reduce -1.2% 12,267 $67K
Corient Private Wealth LP 0.00% Reduce -4.0% 12,112 $66K
Teacher Retirement System of Texas 0.00% Reduce -10.1% 11,530 $63K
Teza Capital Management LLC 0.03% Reduce -71.7% 11,141 $61K
Verition Fund Management LLC 0.00% Reduce -28.4% 11,030 $60K
Captrust Financial Advisors 0.00% Add +1.3% 10,895 $60K
Corton Capital Inc. 0.19% New 10,594 $58K
Cibc World Markets Corp. 0.00% New 10,277 $56K
Russell Investments Group, Ltd. 0.00% Add +6344.8% 9,925 $54K
Police & Firemen's Retirement System of New Jersey 0.00% No change 9,102 $50K
Osaic Holdings, Inc. 0.00% Reduce -5.5% 5,385 $30K
Parallel Advisors, LLC 0.00% Add +1412.2% 4,204 $23K
Quadrant Capital Group LLC 0.00% Reduce -3.5% 4,196 $23K
Ameritas Investment Partners, Inc. 0.00% No change 3,774 $21K
BNP Paribas Financial Markets 0.00% Reduce -45.5% 3,477 $19K
SBI Securities Co., Ltd. 0.00% Reduce -1.1% 3,362 $18K
Tower Research Capital LLC (TRC) 0.00% Add +422.1% 3,148 $17K
Clearstead Advisors, LLC 0.00% No change 3,000 $16K
Steward Partners Investment Advisory, LLC 0.00% No change 2,900 $16K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +0.4% 2,389 $13K
Simplex Trading, LLC 0.00% Reduce -96.5% 2,447 $13K
CANADA LIFE ASSURANCE Co 0.00% No change 2,265 $12K
Signaturefd, LLC 0.00% Add +56.8% 2,160 $12K
National Bank of Canada 0.00% Add +100.0% 2,000 $11K
GF Fund Management Co. LTD. 0.00% Add +21.9% 1,828 $10K
Amalgamated Bank 0.00% No change 1,680 $9K
WealthCollab, LLC 0.01% Add +73.2% 1,583 $9K
Nisa Investment Advisors, LLC 0.00% Add +4.5% 1,477 $8K
Private Wealth Asset Management, LLC 0.00% — 1,350 $7K
Vestcor Inc 0.00% Reduce -98.1% 932 $5K
Allworth Financial LP 0.00% No change 657 $4K
Caitong International Asset Management Co., Ltd 0.00% New 442 $2K
Quantbot Technologies LP 0.00% New 394 $2K
EverSource Wealth Advisors, LLC 0.00% Add +48.5% 297 $2K
Sterling Capital Management LLC 0.00% Reduce -43.3% 255 $1K
Rothschild Investment LLC 0.00% New 205 $1K
Federation des caisses Desjardins du Quebec 0.00% No change 193 $1K
Daiwa Securities Group Inc. 0.00% No change 270 $1K
Cwm, LLC 0.00% Reduce -7.0% 226 $1K
Rise Advisors, LLC 0.00% New 182 $997
Arax Advisory Partners 0.00% New 151 $828
Lindbrook Capital, LLC 0.00% Add +4.2% 150 $822
Smartleaf Asset Management LLC 0.00% Reduce -45.3% 110 $610
Principal Securities, Inc. 0.00% No change 100 $601
Farther Finance Advisors, LLC 0.00% No change 96 $526
Rialto Wealth Management, LLC 0.00% New 89 $488
Coldstream Capital Management Inc. 0.00% New 89 $488
Parkside Financial Bank & Trust 0.00% New 85 $467
Brooklyn Investment Group 0.00% Reduce -66.1% 80 $439
Larson Financial Group LLC 0.00% Reduce -98.9% 47 $258
Game Plan Financial Advisors, LLC 0.00% No change 35 $192
Royal Bank of Canada 0.00% Reduce -96.3% 94 $0
Capital Advisors, Ltd. LLC 0.00% No change 22 $0
Avion Wealth 0.00% New 108 $0
Covestor Ltd 0.00% Reduce -99.8% 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.