AI Holders Summary · Q4 2025

157 institutions reported OFIX in Q4 2025. Rubric Capital Management LP leads at 15.0% 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

Rubric Capital Management LP

CIK 0001687509

$56M3.7M0.67%Q4 2025 02

Juniper Investment Company, LLC

CIK 0001794034

$53M3.5M18.30%Q4 2025 03

Engine Capital Management, LP

CIK 0001665590

$50M4.4M6.08%Q1 2026 04

PARADIGM CAPITAL MANAGEMENT INC/NY

CIK 0001037792

$38M3.3M1.45%Q1 2026 05

BlackRock, Inc.

CIK 0002012383

$37M3.2M0.00%Q1 2026 06

ARMISTICE CAPITAL, LLC

CIK 0001601086

$31M2.7M0.55%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$19M1.7M0.00%Q1 2026 08

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$12M1.1M0.01%Q1 2026 09

AYAL Capital Advisors Ltd

CIK 0002011524

$11M742K3.92%Q4 2025 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M939K0.00%Q1 2026 11

STATE STREET CORP

CIK 0000093751

$10M907K0.00%Q1 2026 12

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$10M842K0.00%Q1 2026 13

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$6M560K0.01%Q1 2026 14

Philosophy Capital Management LLC

CIK 0001869199

$6M559K0.39%Q1 2026 15

Vanguard Portfolio Management

CIK 0002100121· Index

$5M397K0.00%Q1 2026 16

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$4M379K0.02%Q1 2026 17

NORTHERN TRUST CORP

CIK 0000073124· Index

$4M337K0.00%Q1 2026 18

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$4M326K0.00%Q1 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$4M324K0.00%Q1 2026 20

TUDOR INVESTMENT CORP ET AL

CIK 0000923093

$3M263K0.01%Q1 2026

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