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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

UCTT holding history

Ultra Clean Holdings, Inc. in every 13F filed by Renaissance Technologies 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)
91,900
Value
$13.1M
% of portfolio
<0.1%
Quarters held
20
Since Q2 2021
Holdings of UCTT by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202691,900$13.1M<0.1%+91,900NewHolders
Q1 20260$00.0%−106,400−100.0%Sold outHolders
Q4 2025106,400$2.70M<0.1%+16,900+18.9%AddedHolders
Q3 202589,500$2.44M<0.1%−167,700−65.2%ReducedHolders
Q2 2025257,200$5.81M<0.1%+197,400+330.1%AddedHolders
Q1 202559,800$1.28M<0.1%−102,689−63.2%ReducedHolders
Q4 2024162,489$5.84M<0.1%−35,400−17.9%ReducedHolders
Q3 2024197,889$7.90M<0.1%+78,789+66.2%AddedHolders
Q2 2024119,100$5.84M<0.1%+20,700+21.0%AddedHolders
Q1 202498,400$4.52M<0.1%+28,500+40.8%AddedHolders
Q4 202369,900$2.39M<0.1%−48,400−40.9%ReducedHolders
Q3 2023118,300$3.51M<0.1%−40,900−25.7%ReducedHolders
Q2 2023159,200$6.12M<0.1%−108,300−40.5%ReducedHolders
Q1 2023267,500$8.87M<0.1%+95,800+55.8%AddedHolders
Q4 2022171,700$5.69M<0.1%−40,200−19.0%ReducedHolders
Q3 2022211,900$5.46M<0.1%+151,100+248.5%AddedHolders
Q2 202260,800$1.81M<0.1%−56,100−48.0%ReducedHolders
Q1 2022116,900$4.96M<0.1%+19,000+19.4%AddedHolders
Q4 202197,900$5.62M<0.1%−74,700−43.3%ReducedHolders
Q3 2021172,600$7.35M<0.1%+125,400+265.7%AddedHolders
Q2 202147,200$2.54M<0.1%+47,200NewHolders