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Disclosery

SIGA SIGA TECHNOLOGIES INC

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Stock (common), issuer CIK 1010086

192 managers (197 13F filers) reported a position in SIGA shares at 2025-09-30, 33,990,108 shares in all. 37 filers opened a position and 17 filers sold out during the quarter.

Managers
192
13F filers
197
New
37
Added
68
Reduced
56
Sold out
17
Shares held by filers
33,990,108

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.3,526,009$32.3M<0.01%-101,95513F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,677,644$24.5M+142,306Timeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,432,380$22.3M<0.01%+24,90113F-HRTimelineGroup
AltraVue Capital, LLC2,417,514$22.1M1.83%-83,63013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,232,732$11.3M0.01%-172,44213F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC1,125,163$10.3M0.01%-269,33213F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,033,854$9.46M<0.01%-76,16313F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC998,222$9.14M<0.01%+27413F-HRTimelineGroup
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD990,648$9.06M0.08%013F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …834,683$7.64M<0.01%+255,90213F-HRTimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC827,587$7.57M0.02%-1,240,17313F-HRTimeline
FIRST WILSHIRE SECURITIES MANAGEMENT INC687,897$6.29M1.67%-9,31213F-HRTimeline
ROYCE & ASSOCIATES LP680,222$6.22M0.06%+37,64013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY656,962$6.01M<0.01%+135,09413F-HR/ATimelineGroup
CSM Advisors, LLC596,512$5.46M0.15%+238,25513F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND570,561$5.22M0.01%-22,48913F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC532,140$4.87M<0.01%+10,53313F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/518,771$4.75M<0.01%+113,04113F-HR/ATimelineGroup
Legato Capital Management LLC512,039$4.69M0.51%-24,47213F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.499,753$4.57M<0.01%+66,73113F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC463,705$4.24M0.02%+24,85113F-HRTimeline
LSV ASSET MANAGEMENT418,330$3.83M0.01%+37,34213F-HRTimeline
Uniplan Investment Counsel, Inc.396,519$3.63M0.36%-65,03213F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP392,880$3.59M<0.01%-10,49313F-HRTimelineGroup
DENALI ADVISORS LLC360,300$3.3M0.37%-30,80313F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC357,886$3.27M<0.01%+47,93013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co349,376$3.2M<0.01%+13,78113F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.349,184$3.2M0.01%-13,77713F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC348,081$3.18M<0.01%+328,72513F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC308,500$2.82M<0.01%-290,41213F-HRTimeline
UBS Group AGgroup of 2 filers holding300,841$2.75M+70,605Timeline
JANUS HENDERSON GROUP PLCin group Janus Henderson289,086$2.65M<0.01%+269,50713F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD284,219$2.6M<0.01%-13,55213F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC280,647$2.57M0.03%-1,69813F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp270,330$2.47M<0.01%-21,14513F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding261,869$2.4M+188,108Timeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC256,337$2.35M<0.01%+199,85213F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC217,868$1.99M0.04%+106,30013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD215,302$1.97M<0.01%-38,20013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO211,055$1.93M<0.01%+186,06713F-HR/ATimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC172,490$1.58M<0.01%-94,41513F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP151,645$1.39M<0.01%+73213F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…143,106$1.31M<0.01%-63,22313F-HRTimelineGroup
Cubist Systematic Strategies, LLC126,915$1.16M0.02%new13F-HRTimeline
SummerHaven Investment Management, LLC122,709$1.12M0.65%+24,18413F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…117,662$1.08M<0.01%+104,30213F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC108,546$993K<0.01%+10,31313F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P105,660$967K0.02%-14,08713F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd105,583$966K0.04%new13F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.105,275$963K<0.01%-4,35313F-HRTimelineGroup
Nuveen, LLCin group TIAA100,098$916K<0.01%013F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC90,906$832K0.01%+41,82613F-HRTimelineGroup
KLP KAPITALFORVALTNING AS87,600$802K<0.01%+6,40013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC85,481$778K<0.01%new13F-HRTimelineGroup
Swiss National Bank83,900$768K<0.01%013F-HRTimeline
Campbell & CO Investment Adviser LLC83,413$763K0.06%-115,00013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC83,387$763K<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA79,550$728K<0.01%-134,28813F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC74,170$679K0.01%new13F-HR/ATimelineGroup
BARCLAYS PLCin group BARCLAYS PLC72,618$664K<0.01%-22,46813F-HR/ATimelineGroup
STRS OHIO66,400$608K<0.01%+41,00013F-HRTimeline
RHUMBLINE ADVISERS64,337$589K<0.01%-3,74913F-HRTimeline
ALLIANCEBERNSTEIN L.P.63,710$583K<0.01%-5,40013F-HRTimeline
State of Wyoming58,520$535K0.06%+18,21813F-HRTimeline
Creative Planningin group Creative Planning56,959$521K<0.01%+22,41313F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…60,420$510K<0.01%+1,52813F-HRTimeline
AVIVA PLCin group AVIVA PLC55,623$509K<0.01%+4,47913F-HRTimelineGroup
JAMES INVESTMENT RESEARCH, INC.53,546$490K0.05%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc53,094$486K<0.01%013F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC51,120$468K<0.01%new13F-HRTimelineGroup
Man Group plcin group Man Group plc47,191$432K<0.01%+10,99213F-HRTimelineGroup
Qube Research & Technologies Ltd46,189$423K<0.01%new13F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC45,447$416K<0.01%-115,40613F-HRTimeline
Trexquant Investment LP45,318$415K<0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC44,797$410K<0.01%new13F-HRTimeline
Significant Wealth Partners LLC44,452$407K0.2%+73113F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding44,093$403K+11,717Timeline
PRICE T ROWE ASSOCIATES INC /MD/42,765$392K<0.01%013F-HRTimeline
Cresset Asset Management, LLC40,690$372K<0.01%+13,35913F-HR/ATimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…40,274$369K<0.01%+213F-HRTimeline
Penn Mutual Asset Management38,280$350K0.68%013F-HRTimeline
DGS Capital Management, LLCin group DGS Capital Management, LLC33,268$304K0.06%+3,49213F-HRTimelineGroup
ExodusPoint Capital Management, LP32,904$301K<0.01%new13F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC31,433$288K<0.01%-7,79013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC31,400$287K<0.01%+2,93913F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN30,778$282K<0.01%+8,39813F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO30,422$278K<0.01%+213F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\29,910$274K<0.01%013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…29,201$267K<0.01%-41,45013F-HRTimelineGroup
Linden Thomas Advisory Services, LLC28,547$261K0.03%+91413F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…27,706$254K<0.01%+12,06913F-HRTimelineGroup
Petrus Trust Company, LTA26,414$242K0.03%new13F-HRTimeline
WASHINGTON GROWTH STRATEGIES LLC26,216$240K0.17%013F-HRTimeline
Centiva Capital, LP25,828$236K0.02%+6,46213F-HRTimeline
October Effect Ltd25,666$235K0.26%-2,00013F-HRTimeline
CIM INVESTMENT MANAGEMENT INC24,379$223K0.06%-26,25613F-HRTimeline
State of Tennessee, Department of Treas…23,244$213K<0.01%-7,46413F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC22,179$203K<0.01%new13F-HRTimelineGroup
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding22,036$202K-3,204Timeline
MetLife Investment Management, LLCin group MetLife Investment Management…21,903$200K<0.01%-5,62113F-HRTimelineGroup
Cambria Investment Management, L.P.21,884$200K0.01%+95113F-HR/ATimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.21,316$195K<0.01%013F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…21,057$193K<0.01%013F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC20,289$186K<0.01%-2,66713F-HRTimeline
Metis Global Partners, LLC20,164$185K<0.01%013F-HRTimeline
Corton Capital Inc.19,823$181K0.45%new13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC19,700$180K0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…18,900$173K<0.01%013F-HRTimeline
Graham Capital Management, L.P.18,358$168K0.01%new13F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC18,103$166K<0.01%-8713F-HRTimeline
Quantinno Capital Management LP17,231$158K<0.01%+61113F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC16,162$148K<0.01%new13F-HRTimelineGroup
Engineers Gate Manager LP16,135$148K<0.01%new13F-HRTimeline
PharVision Advisers, LLC15,061$138K0.08%new13F-HRTimeline
Vestcor Inc14,603$134K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …14,301$131K<0.01%-1,36313F-HRTimelineGroup
BAILARD, INC.14,200$130K<0.01%+2,30013F-HRTimeline
Schonfeld Strategic Advisors LLC14,103$129K<0.01%new13F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP14,067$129K<0.01%-3013F-HRTimelineGroup
SG Americas Securities, LLC13,880$127K<0.01%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC13,838$127K<0.01%013F-HRTimeline
SHERBROOKE PARK ADVISERS LLC13,628$125K0.06%new13F-HRTimeline
GLOBEFLEX CAPITAL L P13,104$120K0.02%013F-HRTimeline
Onyx Bridge Wealth Group LLC13,000$119K0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM12,699$116K<0.01%+21013F-HRTimeline
China Universal Asset Management Co., L…12,551$115K0.01%-1,79813F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …12,078$111K<0.01%-2,53713F-HRTimelineGroup
One Wealth Advisors, LLC11,622$106K0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…11,414$104K<0.01%+2,18813F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC11,381$104K<0.01%-12013F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS10,911$99.8K<0.01%+60513F-HRTimeline
AlphaQuest LLC10,550$96.5K0.01%new13F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS10,441$95.5K<0.01%-1,11313F-HRTimeline
Gotham Asset Management, LLC10,059$92K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS9,041$82.7K<0.01%+4,38013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC7,422$67.9K<0.01%-10,91313F-HRTimelineGroup
SIMPLEX TRADING, LLC5,682$51K<0.01%+3,36613F-HRTimeline
Parallel Advisors, LLC5,420$49.6K<0.01%+15913F-HRTimeline
DekaBank Deutsche Girozentrale5,160$48K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC4,014$36.7K<0.01%+29013F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC4,011$36.7K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,774$34.5K<0.01%013F-HRTimelineGroup
State of Alaska, Department of Revenue3,767$34K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC3,627$33.2K<0.01%+7313F-HRTimeline
SBI Securities Co., Ltd.3,520$32.2K<0.01%-67013F-HRTimeline
GROUP ONE TRADING LLC2,995$27.4K<0.01%+70313F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/2,963$27.1K<0.01%-3713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,885$26.4K<0.01%-3,93213F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,093$26.1K<0.01%+3113F-HRTimelineGroup
WealthCollab, LLC2,857$26.1K0.01%+75213F-HRTimeline
Point72 (DIFC) Ltd2,848$26.1K<0.01%new13F-HRTimeline
Quarry LP2,488$22.8K0.01%new13F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co2,265$20K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC2,022$19K<0.01%+1,49913F-HRTimelineGroup
Clearstead Advisors, LLC2,055$18.8K<0.01%-94513F-HRTimeline
CURIO WEALTH, LLC2,000$18.3K0.01%new13F-HRTimeline
AMALGAMATED BANK1,680$15K<0.01%013F-HRTimeline
GF FUND MANAGEMENT CO. LTD.1,529$14K<0.01%-29913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,527$14K<0.01%013F-HRTimeline
Arax Advisory Partners1,504$13.8K<0.01%+1,35313F-HRTimeline
Private Wealth Asset Management, LLC1,350$12.4K<0.01%013F-HRTimeline
Versant Capital Management, Inc1,242$11.4K<0.01%013F-HRTimeline
Global Retirement Partners, LLC1,119$10.2K<0.01%013F-HRTimeline
Allworth Financial LP899$8.23K<0.01%+6113F-HRTimeline
Covestor Ltd923$8K<0.01%+91413F-HRTimeline
Farther Finance Advisors, LLC801$7.33K<0.01%+22913F-HRTimeline
Sterling Capital Management LLC664$6.08K<0.01%+25713F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …634$6K<0.01%-16213F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.625$6K<0.01%-135,83213F-HRTimeline
Altshuler Shaham Ltd488$4.46K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.455$4.16K<0.01%new13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.450$4.12K<0.01%new13F-HRTimelineGroup
GAMMA Investing LLC319$2.92K<0.01%-5013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\313$2.86K<0.01%-9,38013F-HRTimelineGroup
Essential Partners LLC277$2.54K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC255$2.33K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…255$2.33K<0.01%-2513F-HRTimelineGroup
TOTH FINANCIAL ADVISORY CORP250$2.29K<0.01%013F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.270$2K<0.01%013F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…211$1.93K<0.01%+3413F-HRTimelineGroup
Physician Wealth Advisors, Inc.154$1.41K<0.01%013F-HRTimeline
Rialto Wealth Management, LLC89$815<0.01%013F-HRTimeline
Smartleaf Asset Management LLC88$788<0.01%013F-HRTimeline
Larson Financial Group LLC47$430<0.01%013F-HRTimeline
Game Plan Financial Advisors, LLC35$320<0.01%013F-HRTimeline
Root Financial Partners, LLC14$128<0.01%new13F-HRTimeline
IFP Advisors, Inc12$110<0.01%+1213F-HR/ATimeline
Caitong International Asset Management …8$73<0.01%new13F-HRTimeline
True Wealth Design, LLC6$55<0.01%013F-HRTimeline
Sunbelt Securities, Inc.3$27<0.01%-2413F-HRTimeline
Parkside Financial Bank & Trust1$10<0.01%013F-HRTimeline
Avion Wealth108$00%013F-HRTimelineValue filed as zero, left out of ratios.