AI Holders Summary · Q3 2026

448 institutions reported OGS in Q3 2026. BlackRock, Inc. leads at 14.9% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$642M8.9M0.01%Q3 2026 02

Vanguard Portfolio Management

CIK 0002100121· Index

$277M3.9M0.01%Q3 2026 03

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$262M3.6M0.11%Q3 2026 04

STATE STREET CORP

CIK 0000093751

$233M3.2M0.01%Q3 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$203M2.8M0.00%Q3 2026 06

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$160M1.9M0.11%Q1 2026 07

Energy Income Partners, LLC

CIK 0001388814

$135M1.9M2.15%Q3 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$127M1.8M0.01%Q3 2026 09

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$117M1.5M0.04%Q1 2026 10

EARNEST PARTNERS LLC

CIK 0001102578

$95M1.3M0.37%Q3 2026 11

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$86M1.1M0.03%Q2 2026 12

MORGAN STANLEY

CIK 0000895421

$82M1.1M0.00%Q3 2026 13

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$76M1.1M0.01%Q3 2026 14

Boston Trust Walden Corp

CIK 0001534866

$72M999K0.58%Q3 2026 15

FRANKLIN RESOURCES INC

CIK 0000038777

$68M822K0.01%Q3 2026 16

NORTHERN TRUST CORP

CIK 0000073124· Index

$65M845K0.01%Q2 2026 17

GOLDMAN SACHS GROUP INC

CIK 0000886982

$62M807K0.01%Q2 2026 18

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$59M766K0.01%Q2 2026 19

Qube Research & Technologies Ltd

CIK 0001729829

$53M744K0.04%Q3 2026 20

Bank of New York Mellon Corp

CIK 0001390777

$53M743K0.01%Q3 2026

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