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TWO SIGMA INVESTMENTS, LP

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1179392 NEW YORK, NY

Position in UCTT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$86,958,654
+$50,823,929 QoQ
Shares Held
609,851
+4.9% QoQ
Ownership
1.35%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#18
of 438 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Derivatives in UCTT

reported options exposure · as of Dec 31, 2021
CallValue
$378,576
CallShares
6,600
PutValue
$688,320
PutShares
12,000

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 Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $2,573,468,005 across 27 Semiconductor Equipment & Materials names. UCTT ranks #9 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UCTT

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $86,958,654 609,851
2026-03-31 $36,134,725 581,131
2024-12-31 $1,739,620 48,390
2024-09-30 $3,380,074 84,650
2023-09-30 $2,377,842 80,143
2023-06-30 $269,220 7,000
2023-03-31 $444,344 13,400
2022-09-30 $229,175 8,900
2021-12-31 $378,576 6,600
2021-12-31 $688,320 12,000
2021-09-30 $967,020 22,700
2021-09-30 $1,405,800 33,000
2021-09-30 $2,070,871 48,612
2021-06-30 $746,708 13,900
2021-06-30 $2,433,945 45,308
2021-06-30 $547,944 10,200
2021-03-31 $650,048 11,200
2020-12-31 $2,379,486 76,388
2020-06-30 $795,851 35,168
2020-03-31 $204,764 14,838