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 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 $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Jane Street's UCTT Position: Q1 2026 in Review

Jane Street increased its Ultra Clean Holdings (UCTT) stake by 205% in Q1 2026, buying an estimated $10.7M and bringing the position to 309,703 shares worth $19.3M. The position accounts for ﹤0.01% of the portfolio, ranked #1808.

Jane Street first reported a position in UCTT in Q4 2013 and has held it in 26 quarters since. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

Jane Street held 309,703 shares of Ultra Clean Holdings worth $19.3M as of Q1 2026.
Jane Street bought 208,149 Ultra Clean Holdings shares in Q1 2026, an estimated $10.7M.
Ultra Clean Holdings made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1808 holding.
Jane Street first reported a position in Ultra Clean Holdings in Q4 2013 and has held it in 26 quarters since.
331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.