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CastleKnight Management LP

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1835751 New York, NY

Position in UCTT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$1,007,316
-$185,727 QoQ
Shares Held
16,200
-65.6% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2021
18 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

CastleKnight Management LP holds $16,932,802 across 6 Semiconductor Equipment & Materials names. UCTT ranks #4 (5.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 UCTT
Ultra Clean Holdings, Inc.
This page
16,200 $1,007,316

All Filings in UCTT

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18 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,007,316 16,200
2025-12-31 $1,193,043 47,100
2025-09-30 $1,283,475 47,100
2025-06-30 $1,243,607 55,100
2025-03-31 $802,875 37,500
2024-12-31 $1,348,125 37,500
2024-09-30 $1,497,375 37,500
2024-06-30 $1,327,900 27,100
2024-03-31 $1,244,974 27,100
2023-12-31 $761,322 22,300
2023-09-30 $661,641 22,300
2023-06-30 $857,658 22,300
2023-03-31 $397,920 12,000
2022-12-31 $1,146,990 34,600
2022-09-30 $1,624,825 63,100
2022-06-30 $1,878,487 63,100
2022-03-31 $2,310,255 54,500
2021-12-31 $2,414,856 42,100