AI Holders Summary · Q2 2026

177 institutions reported SIGA in Q2 2026. BlackRock, Inc. leads at 15.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$15M4.2M0.00%Q2 2026 02

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$10M2.7M0.00%Q2 2026 03

AltraVue Capital, LLC

CIK 0001740837

$8M2.3M0.61%Q2 2026 04

CITADEL ADVISORS LLC

CIK 0001423053

$7M1.1M0.00%Q4 2025 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$6M1.7M0.00%Q2 2026 06

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$5M1.5M0.00%Q2 2026 07

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$5M1.5M0.00%Q2 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$5M1.4M0.00%Q2 2026 09

FIRST WILSHIRE SECURITIES MANAGEMENT INC

CIK 0000732847

$5M1.3M1.00%Q2 2026 10

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$5M1.2M0.00%Q2 2026 11

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

CIK 0001164833

$4M827K0.01%Q1 2026 12

STATE STREET CORP

CIK 0000093751

$4M1.1M0.00%Q2 2026 13

D. E. Shaw & Co., Inc.

CIK 0001009207

$3M555K0.00%Q4 2025 14

LSV ASSET MANAGEMENT

CIK 0001050470

$3M539K0.01%Q1 2026 15

Qube Research & Technologies Ltd

CIK 0001729829

$3M741K0.00%Q2 2026 16

Foundry Partners, LLC

CIK 0001573913

$2M448K0.13%Q1 2025 17

NEW YORK STATE COMMON RETIREMENT FUND

CIK 0000810265

$2M591K0.00%Q2 2026 18

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$2M580K0.00%Q2 2026 19

Uniplan Investment Counsel, Inc.

CIK 0001520710

$2M560K0.19%Q2 2026 20

ROYCE & ASSOCIATES LP

CIK 0000906304

$2M551K0.02%Q2 2026

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