AXCELIS TECHNOLOGIES INC (ACLS) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-08-06
10:14 am
Purchase
2026-06-3013GAXCELIS TECHNOLOGIES INC N
ACLS
FMR LLC4,122,402
13.400%
643,146increase
(+18.49%)
Filing
History
2026-07-14
12:51 pm
Sale
2026-06-3013GAXCELIS TECHNOLOGIES INC N
ACLS
REINHART PARTNERS, LLC.928,660
3.000%
-661,238decrease
(-41.59%)
Filing
History
2026-05-07
10:38 am
Purchase
2026-04-3013GAXCELIS TECHNOLOGIES INC N
ACLS
FMR LLC3,479,256
11.300%
1,048,135increase
(+43.11%)
Filing
History
2026-05-06
11:00 am
Purchase
2026-03-3113GAXCELIS TECHNOLOGIES INC N
ACLS
FMR LLC2,431,121
7.900%
1,798,896increase
(+284.53%)
Filing
History
2026-04-29
5:08 pm
Purchase
2026-03-3113GAXCELIS TECHNOLOGIES INC N
ACLS
Vanguard Capital Management1,617,321
5.260%
1,617,321increase
(New Position)
Filing
History
2026-04-28
4:13 pm
Purchase
2026-03-3113GAXCELIS TECHNOLOGIES INC N
ACLS
Vanguard Portfolio Management2,501,359
8.140%
2,501,359increase
(New Position)
Filing
History
2026-03-26
4:09 pm
Sale
2026-03-1313GAXCELIS TECHNOLOGIES INC N
ACLS
VANGUARD GROUP INC0
0.000%
-4,396,134decrease
(Position Closed)
Filing
History
2026-02-12
4:05 pm
Purchase
2025-12-3113GAXCELIS TECHNOLOGIES INC N
ACLS
REINHART PARTNERS, LLC.1,589,898
5.200%
1,589,898increase
(New Position)
Filing
History
2025-11-14
09:46 am
Sale
2025-09-3013GAXCELIS TECHNOLOGIES INC N
ACLS
American Century Investment Management, Inc.1,345,761
4.300%
-313,702decrease
(-18.90%)
Filing
History
2025-08-14
08:56 am
Purchase
2025-06-3013GAXCELIS TECHNOLOGIES INC N
ACLS
American Century Investment Management, Inc.1,659,463
5.200%
1,659,463increase
(New Position)
Filing
History
2025-04-29
4:59 pm
Sale
2025-03-3113GAXCELIS TECHNOLOGIES INC N
ACLS
BlackRock Inc.
BLK
4,911,042
15.300%
-427,583decrease
(-8.01%)
Filing
History
2025-01-30
9:33 pm
Purchase
2024-12-3113GAXCELIS TECHNOLOGIES INC N
ACLS
VANGUARD GROUP INC4,396,134
13.520%
355,222increase
(+8.79%)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-3013GAXCELIS TECHNOLOGIES INC N
ACLS
BlackRock Inc.
BLK
5,338,625
16.400%
0
(Unchanged)
Filing
History
2024-10-18
3:31 pm
Sale
2024-09-3013GAXCELIS TECHNOLOGIES INC N
ACLS
BlackRock Inc.
BLK
5,338,625
16.400%
-750,060decrease
(-12.32%)
Filing
History
2024-02-13
4:58 pm
Purchase
2023-12-2913GAXCELIS TECHNOLOGIES INC N
ACLS
VANGUARD GROUP INC4,040,912
12.340%
517,020increase
(+14.67%)
Filing
History
2024-02-09
4:18 pm
Sale
2023-12-3113GAXCELIS TECHNOLOGIES INC N
ACLS
Senvest Management, LLC0
0.000%
-1,786,434decrease
(Position Closed)
Filing
History
2024-01-19
2:40 pm
Purchase
2023-12-3113GAXCELIS TECHNOLOGIES INC N
ACLS
BlackRock Inc.
BLK
6,088,685
18.600%
777,703increase
(+14.64%)
Filing
History
2023-04-10
1:39 pm
Purchase
2023-03-3113GAXCELIS TECHNOLOGIES INC N
ACLS
VANGUARD GROUP INC3,523,892
10.770%
511,660increase
(+16.99%)
Filing
History
2023-02-10
4:08 pm
Purchase
2022-12-3113GAXCELIS TECHNOLOGIES INC N
ACLS
Senvest Management, LLC1,786,434
5.440%
109,450increase
(+6.53%)
Filing
History
2023-02-09
11:07 am
Purchase
2022-12-3013GAXCELIS TECHNOLOGIES INC N
ACLS
VANGUARD GROUP INC3,012,232
9.170%
339,316increase
(+12.69%)
Filing
History
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