MARTINGALE ASSET MANAGEMENT L P

Position in ACLS — Axcelis Technologies Inc

CIK 936944 BOSTON, MA

Position in ACLS

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$1,101,272

+$466,653 QoQ

Shares Held

5,813

-14.7% QoQ

Ownership

0.019%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#173

of 439 holders

Holding Since

Sep 2020

10 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Technology · as of Jun 30, 2026

MARTINGALE ASSET MANAGEMENT L P holds $46,364,524 across 8 Semiconductor Equipment & Materials names. ACLS ranks #6 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	28,918	$20,907,714
2	LRCX	Lam Research Corp	41,095	$17,807,696
3	PLAB	Photronics Inc	55,930	$1,819,402
4	KLIC	Kulicke & Soffa Industries Inc	13,387	$1,790,645
5	UCTT	Ultra Clean Holdings, Inc.	11,729	$1,672,438
6	ACLS	Axcelis Technologies Inc This page	5,813	$1,101,272
7	ICHR	Ichor Holdings, Ltd.	6,672	$749,132
8	KLAC	Kla Corp	1,711	$516,225

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,101,272	5,813	-14.7%	Shares	Sole	2026-08-13
2026-03-31	$634,619	6,818	-0.1%	Shares	Sole	2026-05-13
2025-12-31	$548,561	6,828	0.0%	Shares	Sole	2026-02-13
2025-09-30	$666,685	6,828	-69.6%	Shares	Sole	2025-11-13
2022-03-31	$1,698,064	22,482	+3.7%	Shares	Sole	2022-05-12
2021-12-31	$1,616,759	21,684	+142.9%	Shares	Sole	2022-02-11
2021-06-30	$360,829	8,927	-77.8%	Shares	Sole	2021-08-13
2021-03-31	$1,654,036	40,254	+14.5%	Shares	Sole	2021-05-13
2020-12-31	$1,023,422	35,145	+74.6%	Shares	Sole	2021-02-10
2020-09-30	$442,772	20,126	—	Shares	Sole	2020-11-12
No filing history on record for this holder in this stock.