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TWO SIGMA INVESTMENTS, LP

Position in ACLS — Axcelis Technologies Inc

CIK 1179392 NEW YORK, NY

Position in ACLS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$18,389,443
+$12,665,701 QoQ
Shares Held
197,566
+177.3% QoQ
Ownership
0.643%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACLS Over Time

Shares Held

Position Value (USD)

Derivatives in ACLS

reported options exposure · as of Dec 31, 2025
CallValue
$401,700
CallShares
5,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

TWO SIGMA INVESTMENTS, LP holds $1,767,404,156 across 27 Semiconductor Equipment & Materials names. ACLS ranks #14 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACLS

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,389,443 197,566
2025-12-31 $5,723,742 71,244
2025-12-31 $401,700 5,000
2025-09-30 $3,628,790 37,165
2025-06-30 $2,501,383 35,893
2025-03-31 $2,202,566 44,344
2024-12-31 $1,371,897 19,635
2024-09-30 $765,405 7,300
2024-03-31 $1,048,399 9,401
2023-12-31 $5,669,268 43,714
2023-09-30 $1,781,321 10,925
2023-03-31 $406,146 3,048
2022-06-30 $1,443,663 26,325
2022-03-31 $1,920,652 25,429
2021-12-31 $2,523,483 33,845
2021-09-30 $4,121,897 87,644
2021-06-30 $1,920,152 47,505
2020-12-31 $1,620,003 55,632
2020-09-30 $680,966 30,953
2020-06-30 $3,306,602 118,729