AI Holders Summary · Q2 2026

300 institutions reported AMSC in Q2 2026. BlackRock, Inc. leads at 17.1% 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

$170M4.1M0.00%Q2 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$84M2.0M0.00%Q2 2026 03

BARROW HANLEY MEWHINNEY & STRAUSS LLC

CIK 0000313028

$71M1.7M0.21%Q2 2026 04

UBS Group AG

CIK 0001610520

$59M1.4M0.01%Q2 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$59M1.4M0.00%Q2 2026 06

STATE STREET CORP

CIK 0000093751

$56M1.4M0.00%Q2 2026 07

GOLDMAN SACHS GROUP INC

CIK 0000886982

$54M1.3M0.00%Q2 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$52M1.2M0.00%Q2 2026 09

FIRST TRUST ADVISORS LP

CIK 0001125816· Index

$49M1.2M0.03%Q2 2026 10

OBERWEIS ASSET MANAGEMENT INC/

CIK 0000937886

$41M988K0.85%Q2 2026 11

AWM Investment Company, Inc.

CIK 0001535264

$40M952K3.43%Q2 2026 12

BAILLIE GIFFORD & CO

CIK 0001088875

$39M933K0.04%Q2 2026 13

EMERALD ADVISERS, LLC

CIK 0001015083

$35M844K0.82%Q2 2026 14

Legal & General Group Plc

CIK 0000764068

$31M757K0.01%Q2 2026 15

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$27M646K0.00%Q2 2026 16

MORGAN STANLEY

CIK 0000895421

$26M636K0.00%Q2 2026 17

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$26M629K0.00%Q2 2026 18

Nuveen, LLC

CIK 0001871926

$26M628K0.01%Q2 2026 19

Telemark Asset Management, LLC

CIK 0001420816

$25M600K1.80%Q2 2026 20

ROYCE & ASSOCIATES LP

CIK 0000906304

$23M556K0.19%Q2 2026

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