AI Holders Summary · Q1 2026

388 institutions reported OSIS in Q1 2026. BlackRock, Inc. leads at 19.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$672M2.5M0.01%Q1 2026 02

FMR LLC

CIK 0000315066

$522M2.0M0.03%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$332M1.2M0.02%Q1 2026 04

JANUS HENDERSON GROUP PLC

CIK 0001274173

$205M772K0.10%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$186M699K0.00%Q1 2026 06

Mawer Investment Management Ltd.

CIK 0001538449

$176M663K1.14%Q1 2026 07

STATE STREET CORP

CIK 0000093751

$176M662K0.01%Q1 2026 08

Capital International Investors

CIK 0001562230

$164M619K0.04%Q1 2026 09

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$117M441K0.01%Q1 2026 10

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

CIK 0000861177

$114M431K0.02%Q1 2026 11

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$105M395K0.02%Q1 2026 12

Invesco Ltd.

CIK 0000914208

$99M373K0.01%Q1 2026 13

Hood River Capital Management LLC

CIK 0001578177

$99M372K0.99%Q1 2026 14

Neuberger Berman Group LLC

CIK 0001465109

$81M304K0.06%Q1 2026 15

Clark Capital Management Group, Inc.

CIK 0001352187

$72M270K0.44%Q1 2026 16

Channing Capital Management, LLC

CIK 0001302404

$71M267K1.81%Q1 2026 17

BANK OF AMERICA CORP /DE/

CIK 0000070858

$71M266K0.01%Q1 2026 18

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$69M260K0.01%Q1 2026 19

PRIMECAP MANAGEMENT CO/CA/

CIK 0000763212

$65M245K0.05%Q1 2026 20

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

CIK 0001705339

$62M232K0.08%Q1 2026

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