AXCELIS TECHNOLOGIES INC

PublicCIK: 1113232
ACLSNASDAQ
Location

BEVERLY, MA

13F Filings

Institutional Holders

AXCELIS TECHNOLOGIES INCACLS— Latest position per institution from SEC 13F filings

15

Institutional holders

33.56M

Total shares held

3.39B

Estimated value

1.68M

Avg. position size

1

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

5.81M

Value

825.67M

Filed

Jun 30, 2024

2

BLACKROCK, INC.

CIK 2012383

Shares

4.94M

Value

459.51M

Filed

Mar 31, 2026

3

VANGUARD GROUP INC

CIK 102909

Shares

4.12M

Value

331.20M

Filed

Dec 31, 2025

4

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

2.49M

Value

231.61M

Filed

Mar 31, 2026

5

FMR LLC

CIK 315066

Shares

2.43M

Value

226.29M

Filed

Mar 31, 2026

6

REINHART PARTNERS, LLC.

CIK 1080298

Shares

1.66M

Value

154.30M

Filed

Mar 31, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

1.38M

Value

128.71M

Filed

Mar 31, 2026

8

BALYASNY ASSET MANAGEMENT L.P.

CIK 1218710

Shares

1.36M

Value

127.01M

Filed

Mar 31, 2026

9

VICTORY CAPITAL MANAGEMENT INC

CIK 1040188

Shares

1.28M

Value

119.05M

Filed

Mar 31, 2026

10

STATE STREET CORP

CIK 93751

Shares

1.19M

Value

110.68M

Filed

Mar 31, 2026

11

BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.

CIK 1520354

Shares

1.01M

Value

93.64M

Filed

Mar 31, 2026

12

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

951.91K

Value

88.60M

Filed

Mar 31, 2026

13

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

844.10K

Value

78.57M

Filed

Mar 31, 2026

14

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

811.26K

Value

75.53M

Filed

Mar 31, 2026

15

PRIMECAP MANAGEMENT CO/CA/

CIK 763212

Shares

658.65K

Value

61.31M

Filed

Mar 31, 2026

16

MORGAN STANLEY

CIK 895421

Shares

581.64K

Value

54.14M

Filed

Mar 31, 2026

17

D. E. SHAW & CO., INC.

CIK 1009207

Shares

544.42K

Value

50.67M

Filed

Mar 31, 2026

18

WHALE ROCK CAPITAL MANAGEMENT LLC

CIK 1387322

Shares

517.06K

Value

84.31M

Filed

Sep 30, 2023

19

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

497.62K

Value

46.32M

Filed

Mar 31, 2026

20

MANUFACTURERS LIFE INSURANCE COMPANY, THE

CIK 928047

Shares

491.75K

Value

45.77M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.