DOSSIER · 13F Holders · Q2 2026Technology · Special Industry Machinery, NEC
ACLS

AXCELIS TECHNOLOGIES INC

431 institutions still hold AXCELIS TECHNOLOGIES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 054540208·Special Industry Machinery, NEC·431 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$3.9B
visible holders
Holders
431
filers reporting
Concentration
24.54%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

431 institutions reported ACLS in Q2 2026. BlackRock, Inc. leads at 24.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$953M5.0M0.01%Q2 2026
02
FMR LLC
CIK 0000315066
$471M3.6M0.02%Q3 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$470M2.5M0.02%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$263M1.4M0.01%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$233M1.2M0.01%Q2 2026
06
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$161M1.2M0.09%Q3 2026
07
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$152M803K0.15%Q2 2026
08
REINHART PARTNERS, LLC.
CIK 0001080298
$139M1.1M3.38%Q3 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$122M926K0.01%Q3 2026
10
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$117M616K0.15%Q2 2026
11
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
$116M610K0.07%Q2 2026
12
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$104M791K0.02%Q3 2026
13
Invesco Ltd.
CIK 0000914208
$100M528K0.01%Q2 2026
14
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$79M416K0.01%Q2 2026
15
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$74M392K0.23%Q2 2026
16
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 0000928047
$73M384K0.06%Q2 2026
17
NORTHERN TRUST CORP
CIK 0000073124· Index
$72M382K0.01%Q2 2026
18
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$70M370K0.03%Q2 2026
19
MORGAN STANLEY
CIK 0000895421
$69M366K0.00%Q2 2026
20
UBS Group AG
CIK 0001610520
$46M350K0.01%Q3 2026
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411 more holders available. Log in →
Insiders at AXCELIS TECHNOLOGIES INC
Tatnall Christopher →Redinbo Greg →Ryzhik David →Blumenstock Gerald M →Sayiner Necip →Mahoney Robert John →Sutton Todd →St Dennis Thomas →