AI Holders Summary · Q4 2025

108 institutions reported FORR in Q4 2025. Portolan Capital Management, LLC leads at 10.1% 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

Portolan Capital Management, LLC

CIK 0001350290

$6M706K0.31%Q4 2025 02

BlackRock, Inc.

CIK 0002012383

$5M907K0.00%Q1 2026 03

ArrowMark Colorado Holdings LLC

CIK 0001483859

$5M556K0.10%Q4 2025 04

Tieton Capital Management, LLC

CIK 0001381954

$4M539K1.50%Q4 2025 05

FIRST MANHATTAN CO. LLC.

CIK 0000728083

$4M750K0.01%Q1 2026 06

Pacific Ridge Capital Partners, LLC

CIK 0001591546

$4M711K0.87%Q1 2026 07

Nantahala Capital Management, LLC

CIK 0001472322

$4M694K0.14%Q1 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$3M487K0.00%Q1 2026 09

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$2M437K0.00%Q1 2026 10

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$2M423K0.00%Q1 2026 11

Clear Street Group Inc.

CIK 0001881567

$2M390K0.01%Q1 2026 12

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$2M389K0.00%Q1 2026 13

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

CIK 0001164833

$2M384K0.01%Q1 2026 14

Invenomic Capital Management LP

CIK 0001769456

$2M259K0.10%Q4 2025 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M317K0.00%Q1 2026 16

SEI INVESTMENTS CO

CIK 0000350894

$2M284K0.00%Q1 2026 17

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$2M266K0.00%Q1 2026 18

STATE STREET CORP

CIK 0000093751

$1M259K0.00%Q1 2026 19

Quantinno Capital Management LP

CIK 0001759654

$1M224K0.00%Q1 2026 20

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$1M186K0.00%Q1 2026

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