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STATE OF WISCONSIN INVESTMENT BOARD

Position in ACLS — Axcelis Technologies Inc

CIK 854157 MADISON, WI

Position in ACLS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,835,547
-$222,105 QoQ
Shares Held
41,207
-18.4% QoQ
Ownership
0.134%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACLS Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $504,357,957 across 21 Semiconductor Equipment & Materials names. ACLS ranks #11 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACLS

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23 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,835,547 41,207
2025-12-31 $4,057,652 50,506
2025-09-30 $4,902,894 50,214
2025-06-30 $6,312,032 90,573
2025-03-31 $3,897,455 78,467
2024-12-31 $3,755,512 53,750
2024-09-30 $4,737,332 45,182
2024-06-30 $8,527,845 59,975
2024-03-31 $6,578,564 58,990
2023-12-31 $5,609,740 43,255
2023-09-30 $6,903,863 42,342
2023-06-30 $7,259,684 39,599
2023-03-31 $5,789,712 43,450
2022-12-31 $3,993,157 50,317
2022-09-30 $3,170,437 52,352
2022-06-30 $3,078,278 56,132
2022-03-31 $6,427,603 85,100
2021-12-31 $6,844,608 91,800
2021-09-30 $3,691,855 78,500
2021-06-30 $2,841,526 70,300
2021-03-31 $3,205,020 78,000
2020-12-31 $2,287,725 78,562
2020-09-30 $325,600 14,800