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ACADIAN ASSET MANAGEMENT LLC

Position in ASYS — Amtech Systems Inc

CIK 916542 Boston, MA

Position in ASYS

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$5,452,656
+$2,490,756 QoQ
Shares Held
466,837
+97.8% QoQ
Ownership
3.22%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASYS Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

ACADIAN ASSET MANAGEMENT LLC holds $3,304,737,335 across 25 Semiconductor Equipment & Materials names. ASYS ranks #15 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ASYS

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,452,656 466,837
2025-12-31 $2,961,900 236,008
2025-09-30 $773,506 83,532
2025-06-30 $190,777 42,968
2025-03-31 $205,680 42,584
2024-12-31 $121,644 22,320
2024-09-30 $149,297 25,741
2024-06-30 $108,269 18,476
2024-03-31 $83,773 15,485
2023-12-31 $58,917 14,028
2023-09-30 $175,915 23,086
2023-06-30 $514,328 53,800
2023-03-31 $513,252 53,800
2022-12-31 $315,103 41,461
2022-09-30 $352,418 41,461
2022-06-30 $302,665 41,461
2022-03-31 $791,078 78,636
2021-12-31 $1,218,569 123,337
2021-09-30 $1,310,243 114,632
2021-06-30 $1,188,872 123,327
2021-03-31 $1,429,487 120,938
2020-12-31 $552,488 86,597
2020-09-30 $436,799 89,325
2020-06-30 $630,002 129,364