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ISTHMUS PARTNERS, LLC

Position in ACLS — Axcelis Technologies Inc

CIK 1639666 MADISON, WI

Position in ACLS

as of Jun 30, 2026 · filed Jul 20, 2026
Position Value
$4,469,883
+$806,534 QoQ
Shares Held
23,594
-40.1% QoQ
Ownership
0.077%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#3
of 96 holders
Holding Since
Mar 2024
10 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 Jun 30, 2026

ISTHMUS PARTNERS, LLC holds $32,862,766 across 4 Semiconductor Equipment & Materials names. ACLS ranks #2 (13.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ACLS
Axcelis Technologies Inc
This page
23,594 $4,469,883

All Filings in ACLS

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,469,883 23,594
2026-03-31 $3,663,349 39,357
2025-12-31 $3,332,503 41,480
2025-09-30 $4,102,442 42,016
2025-06-30 $2,381,167 34,168
2025-03-31 $1,570,615 31,621
2024-12-31 $1,976,692 28,291
2024-09-30 $2,913,152 27,784
2024-06-30 $4,730,661 33,270
2024-03-31 $1,980,929 17,763