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Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

UCTT holding history

Ultra Clean Holdings, Inc. in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

UCTT overviewAll 13F holders of UCTTFull Q2 2026 holdings

Shares (Q2 2026)
95,770
Value
$13.7M
% of portfolio
0.4%
Quarters held
3
Since Q2 2021
Holdings of UCTT by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202695,770$13.7M0.4%−4,360−4.4%ReducedHolders
Q1 2026100,130$6.23M0.2%+100,130NewHolders
Q3 20210$00.0%−128,849−100.0%Sold outHolders
Q2 2021128,849$6.92M0.2%+128,849NewHolders