SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.3,589,270$21,930
VANGUARD GROUP INC2,723,750$16,642
DIMENSIONAL FUND ADVISORS LP2,536,794$15,500
AltraVue Capital, LLC2,408,824$14,718
AMERICAN CENTURY COMPANIES INC1,165,489$7,121
STATE STREET CORP1,075,570$6,572
CITADEL ADVISORS LLC1,043,083$6,373
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1,025,080$6,263
GEODE CAPITAL MANAGEMENT, LLC1,004,734$6,140
JUPITER ASSET MANAGEMENT LTD990,648$6,053
AQR CAPITAL MANAGEMENT LLC872,795$5,333
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC819,447$5,007
FIRST WILSHIRE SECURITIES MANAGEMENT INC684,053$4,180
GOLDMAN SACHS GROUP INC647,146$3,954
BANK OF AMERICA CORP /DE/641,421$3,919
CSM Advisors, LLC627,870$4
ROYCE & ASSOCIATES LP611,019$3,733
Legato Capital Management LLC580,545$3,547
NEW YORK STATE COMMON RETIREMENT FUND570,561$3,486
D. E. Shaw & Co., Inc.554,571$3,388
LSV ASSET MANAGEMENT538,630$3
JACOBS LEVY EQUITY MANAGEMENT, INC496,166$3,032
MORGAN STANLEY494,456$3,021
MILLENNIUM MANAGEMENT LLC489,310$2,990
Uniplan Investment Counsel, Inc.395,897$2,419
RENAISSANCE TECHNOLOGIES LLC378,100$2,310
NORTHERN TRUST CORP375,847$2,296
DENALI ADVISORS LLC361,800$2,211
VICTORY CAPITAL MANAGEMENT INC339,944$2,077
CHARLES SCHWAB INVESTMENT MANAGEMENT INC316,701$1,935
ACADIAN ASSET MANAGEMENT LLC294,189$2
SEGALL BRYANT & HAMILL, LLC274,008$1,674
Bank of New York Mellon Corp254,168$1,553
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.244,853$1,496
MACQUARIE GROUP LTD244,853$1,496
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM238,975$1,460
STATE OF WISCONSIN INVESTMENT BOARD215,316$1,316
AMERIPRISE FINANCIAL INC198,010$1,210
BRIDGEWAY CAPITAL MANAGEMENT, LLC197,868$1,209
JANUS HENDERSON GROUP PLC188,717$1,153
JPMORGAN CHASE & CO184,966$1,130
Brandywine Global Investment Management, LLC175,030$1,069
Qube Research & Technologies Ltd164,835$1,007
FIRST TRUST ADVISORS LP154,944$947
FEDERATED HERMES, INC.139,510$852
WELLINGTON MANAGEMENT GROUP LLP127,969$782
UBS ASSET MANAGEMENT AMERICAS INC127,829$781
SummerHaven Investment Management, LLC122,709$750
JANE STREET GROUP, LLC120,858$738
Invesco Ltd.113,437$693
Integrated Quantitative Investments LLC104,645$639
Nuveen, LLC100,098$612
WINTON GROUP Ltd97,377$595
PRUDENTIAL FINANCIAL INC96,892$592
KLP KAPITALFORVALTNING AS96,200$588
MARTINGALE ASSET MANAGEMENT L P92,260$564
STRS OHIO90,100$551
Swiss National Bank83,900$513
State of Wyoming82,949$507
AVIVA PLC78,893$482
BARCLAYS PLC77,325$472
CANADA PENSION PLAN INVESTMENT BOARD75,000$458
Creative Planning72,281$442
Precision Wealth Strategies, LLC67,794$414
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC65,942$439
PRINCIPAL FINANCIAL GROUP INC63,782$390
ALLIANCEBERNSTEIN L.P.63,710$389
FRANKLIN RESOURCES INC60,132$367
Trexquant Investment LP57,597$352
Man Group plc57,544$352
Campbell & CO Investment Adviser LLC55,648$340
ExodusPoint Capital Management, LP54,014$330
RHUMBLINE ADVISERS53,635$328
JAMES INVESTMENT RESEARCH INC53,546$327
Vestcor Inc53,317$0
ALPS ADVISORS INC51,688$316
Strategic Blueprint, LLC51,100$312
DGS Capital Management, LLC50,370$308
DAVENPORT & Co LLC50,000$306
O'SHAUGHNESSY ASSET MANAGEMENT, LLC49,657$303
Brooklyn Investment Group49,189$307
LAZARD ASSET MANAGEMENT LLC47,766$292
LOS ANGELES CAPITAL MANAGEMENT LLC46,553$387
PRICE T ROWE ASSOCIATES INC /MD/46,344$0
WELLS FARGO & COMPANY/MN45,154$276
Legal & General Group Plc44,866$274
Schonfeld Strategic Advisors LLC44,754$273
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management43,922$268
HSBC HOLDINGS PLC42,011$257
Cresset Asset Management, LLC40,690$249
EXCHANGE TRADED CONCEPTS, LLC39,888$244
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM39,445$241
State of Tennessee, Department of Treasury36,398$244
Russell Investments Group, Ltd.35,255$215
OXFORD ASSET MANAGEMENT LLP34,786$213
DEUTSCHE BANK AG\31,512$193
Linden Thomas Advisory Services, LLC28,465$174
WASHINGTON GROWTH STRATEGIES LLC26,216$160
Cambria Investment Management, L.P.25,898$158
SEI INVESTMENTS CO25,020$153
98 other institutions718,918$4,159
Total (198 institutions)35,743,011$208,801