Jane Street’s Ultra Clean Holdings UCTT Stock Holding History

Jane Street’s Portfolio UCTT Stock Details UCTT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$11.1M	Buy	77,700 +41,000	+112%	+$3.61M	﹤0.01%	2727
2026 Q1	$2.28M	Buy	+36,700	New	+$1.88M	﹤0.01%	4834
2025 Q4	–	Sell	-10,700	Closed	-$292K	–	12432
2025 Q3	$292K	Buy	+10,700	New	+$263K	﹤0.01%	8956
2024 Q3	–	Sell	-4,100	Closed	-$201K	–	10421
2024 Q2	$201K	Buy	+4,100	New	+$184K	﹤0.01%	8379
2023 Q3	–	Sell	-7,500	Closed	-$288K	–	9422
2023 Q2	$288K	Buy	+7,500	New	+$241K	﹤0.01%	7194
2023 Q1	–	Sell	-27,300	Closed	-$905K	–	9964
2022 Q4	$905K	Buy	27,300 +17,100	+168%	+$545K	﹤0.01%	5134
2022 Q3	$263K	Sell	10,200 -2,800	-22%	-$85.7K	﹤0.01%	7783
2022 Q2	$387K	Sell	13,000 -23,800	-65%	-$772K	﹤0.01%	7186
2022 Q1	$1.56M	Sell	36,800 -5,100	-12%	-$244K	﹤0.01%	5229
2021 Q4	$2.4M	Buy	41,900 +11,900	+40%	+$619K	﹤0.01%	4111
2021 Q3	$1.28M	Buy	30,000 +5,100	+20%	+$240K	﹤0.01%	5418
2021 Q2	$1.34M	Buy	+24,900	New	+$1.33M	﹤0.01%	5186

Other funds holding UCTT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street's UCTT Position: Q2 2026 in Review

Jane Street reduced its Ultra Clean Holdings (UCTT) stake by 99% in Q2 2026, selling an estimated $27.1M and leaving 1,970 shares worth $281K. The position accounts for ﹤0.01% of the portfolio, ranked #9363.

Jane Street first reported a position in UCTT in Q4 2013 and has held it in 27 quarters since. The position peaked at $19.3M in Q1 2026. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

Jane Street held 1,970 shares of Ultra Clean Holdings worth $281K as of Q2 2026.
Jane Street sold 307,733 Ultra Clean Holdings shares in Q2 2026, an estimated $27.1M.
Ultra Clean Holdings made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9363 holding.
Jane Street first reported a position in Ultra Clean Holdings in Q4 2013 and has held it in 27 quarters since.
Jane Street's Ultra Clean Holdings position peaked at $19.3M in Q1 2026.
438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.