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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

UCTT holding history

Ultra Clean Holdings, Inc. in every 13F filed by Group One Trading, L.P., 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 (Q1 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
12
Since Q1 2021
Holdings of UCTT by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−629−100.0%Sold outHolders
Q4 2025629$15.9K<0.1%+411+188.5%AddedHolders
Q3 2025218$5.94K<0.1%+218NewHolders
Q2 20250$00.0%−57−100.0%Sold outHolders
Q1 202557$1.22K<0.1%+57NewHolders
Q1 20240$00.0%−535−100.0%Sold outHolders
Q4 2023535$18.3K<0.1%−241−31.1%ReducedHolders
Q3 2023776$23.0K<0.1%−1,578−67.0%ReducedHolders
Q2 20232,354$90.5K<0.1%+2,354NewHolders
Q1 20230$00.0%−595−100.0%Sold outHolders
Q4 2022595$19.7K<0.1%−1,922−76.4%ReducedHolders
Q3 20222,517$65.0K<0.1%+2,517NewHolders
Q2 20220$00.0%−5,627−100.0%Sold outHolders
Q1 20225,627$239.0K<0.1%−33,807−85.7%ReducedHolders
Q4 202139,434$2.26M<0.1%+36,792+1,392.6%AddedHolders
Q3 20212,642$113.0K<0.1%+2,642NewHolders
Q2 20210$00.0%−21,458−100.0%Sold outHolders
Q1 202121,458$1.25M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.