Who Owns SIGA TECHNOLOGIES INC (SIGA)? -- Institutional Holders (2026-06-30)

193 institutions reported holding $128.5M of SIGA TECHNOLOGIES INC (SIGA) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($15.2M), DIMENSIONAL FUND ADVISORS LP ($9.9M), VANGUARD GROUP INC ($9.5M), AltraVue Capital, LLC ($8.5M), AMERICAN CENTURY COMPANIES INC ($5.5M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$15.2M4.2MAdded
2DIMENSIONAL FUND ADVISORS LP$9.9M2.7MAdded
3VANGUARD GROUP INC$9.5M2.6MTrimmed
4AltraVue Capital, LLC$8.5M2.3MTrimmed
5AMERICAN CENTURY COMPANIES INC$5.5M1.5MAdded
6ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$5.4M1.5MTrimmed
7GEODE CAPITAL MANAGEMENT, LLC$5.2M1.4MAdded
8FIRST WILSHIRE SECURITIES MANAGEMENT INC$4.9M1.3MAdded
9AQR CAPITAL MANAGEMENT LLC$4.5M1.2MAdded
10STATE STREET CORP$4.1M1.1MAdded
11HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC$3.3M914,047Added
12Qube Research & Technologies Ltd$2.7M740,910Added
13NEW YORK STATE COMMON RETIREMENT FUND$2.2M590,761Hold
14MILLENNIUM MANAGEMENT LLC$2.1M579,599Added
15JACOBS LEVY EQUITY MANAGEMENT, INC$2.1M566,863Added
16Uniplan Investment Counsel, Inc.$2.0M560,353Added
17CITADEL ADVISORS LLC$2.0M551,246Trimmed
18ROYCE & ASSOCIATES LP$2.0M551,010Trimmed
19Legato Capital Management LLC$1.9M512,039Hold
20LSV ASSET MANAGEMENT$1.7M461,307Trimmed
21BANK OF AMERICA CORP /DE/$1.6M427,275Trimmed
22RENAISSANCE TECHNOLOGIES LLC$1.5M425,800Trimmed
23MORGAN STANLEY$1.5M421,009Added
24DENALI ADVISORS LLC$1.5M414,436Trimmed
25GOLDMAN SACHS GROUP INC$1.4M393,007Trimmed

Source: SEC Form 13F filings · as of 2026-06-30