13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Special Industry Machinery, NEC
ACMR

ACM RESH INC

326 institutions still hold ACM RESH INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00108J109·Special Industry Machinery, NEC·326 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$1.2B
visible holders
Holders
326
filers reporting
Concentration
26.64%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

326 institutions reported ACMR in Q1 2026. BlackRock, Inc. leads at 26.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$314M8.0M0.01%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$89M2.3M0.00%Q1 202603
Vanguard Portfolio Management
CIK 0002100121· Index
$87M2.2M0.00%Q1 202604
STATE STREET CORP
CIK 0000093751
$79M2.0M0.00%Q1 202605
WCM INVESTMENT MANAGEMENT, LLC
CIK 0001061186
$71M1.9M0.16%Q1 202606
CITIGROUP INC
CIK 0000831001
$63M1.6M0.03%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$54M1.4M0.00%Q1 202608
MORGAN STANLEY
CIK 0000895421
$47M1.2M0.00%Q1 202609
JANUS HENDERSON GROUP PLC
CIK 0001274173
$43M1.1M0.02%Q1 202610
Value Aligned Research Advisors, LLC
CIK 0001963565
$38M956K0.18%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$36M926K0.00%Q1 202612
Polunin Capital Partners Ltd
CIK 0001629869
$32M763K8.25%Q1 202613
Invesco Ltd.
CIK 0000914208
$31M787K0.00%Q1 202614
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
CIK 0000807985
$31M783K1.52%Q1 202615
Qube Research & Technologies Ltd
CIK 0001729829
$29M724K0.03%Q1 202616
CONGRESS ASSET MANAGEMENT CO
CIK 0000897378
$28M224K0.17%Q2 202617
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$28M719K0.01%Q1 202618
Tekne Capital Management, LLC
CIK 0001558971
$28M715K11.89%Q1 202619
Longaeva Partners L.P.
CIK 0002054122
$28M708K1.03%Q1 202620
CITADEL ADVISORS LLC
CIK 0001423053
$25M632K0.00%Q4 2025
Page 1 of 17
306 more holders available. Log in →
Insiders at ACM RESH INC
Cheav Sotheara →Wang David H →Pappis Charles C →Mckechnie Mark →Chen Fuping →Feng Lisa →