ULTRA CLEAN HOLDINGS INC (UCTT) Stock Institutional Trading Activity


ULTRA CLEAN HOLDINGS INC (UCTT) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, First Eagle U.S. Value, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy16,900106,400$2,695,112
Q3 2025Renaissance Technologies LLCSell-167,70089,500$2,438,875
Q3 2025First Eagle U.S. ValueBuy42,430402,569$10,970,005
Q2 2025Renaissance Technologies LLCBuy197,400257,200$5,805,004
Q2 2025First Eagle U.S. ValueSell-45,300360,139$8,128,337
Q1 2025Renaissance Technologies LLCSell-102,68959,800$1,280,318
Q1 2025First Eagle U.S. ValueBuy4,500405,439$8,680,449
Q4 2024Renaissance Technologies LLCSell-35,400162,489$5,841,480
Q4 2024First Eagle U.S. ValueBuy27,300400,939$14,413,757
Q3 2024Renaissance Technologies LLCBuy78,789197,889$7,901,708
Q3 2024First Eagle U.S. ValueBuy36,100373,639$14,919,405
Q2 2024Renaissance Technologies LLCBuy20,700119,100$5,835,900
Q2 2024First Eagle U.S. ValueBuy7,596337,539$16,539,411
Q1 2024Renaissance Technologies LLCBuy28,50098,400$4,520
Q1 2024First Eagle U.S. ValueSell-85,449329,943$15,157,581
Q4 2023Renaissance Technologies LLCSell-48,40069,900$2,386
Q4 2023First Eagle U.S. ValueBuy118,304415,392$14,181,483
Q3 2023Renaissance Technologies LLCSell-40,900118,300$3,510
Q3 2023First Eagle U.S. ValueBuy42,109297,088$8,814,601
Q2 2023Renaissance Technologies LLCSell-108,300159,200$6,123
Q2 2023First Eagle U.S. ValueBuy65,379254,979$9,806,492
Q1 2023Renaissance Technologies LLCBuy95,800267,500$8,870
Q1 2023First Eagle U.S. ValueBuy29,000189,600$6,287,136
Q4 2022Renaissance Technologies LLCSell-40,200171,700$5,692
Q4 2022First Eagle U.S. ValueBuy27,726160,600$5,323,890
Q3 2022First Eagle U.S. ValueBuy29,858132,874$3,422
Q3 2022Renaissance Technologies LLCBuy151,100211,900$5,456
Q2 2022Renaissance Technologies LLCSell-56,10060,800$1,810
Q2 2022First Eagle U.S. ValueBuy62,011103,016$3,067
Q1 2022First Eagle U.S. ValueBuy29,89141,005$1,738

Frequently asked questions about UCTT activity

  • Which institutional owners are buying UCTT?

    Institutional owners buying UCTT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in UCTT activity?

    "Buy" means an investor increased their reported position in UCTT compared to the prior reporting period. This reflects growing exposure to ULTRA CLEAN HOLDINGS INC (UCTT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in UCTT increasing?

    Institutional interest in UCTT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.