Holocene Advisors’s Ultra Clean Holdings UCTT Stock Holding History

Holocene Advisors’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	$415K	Buy	+2,911	New	+$256K	﹤0.01%	747
2025 Q1	–	Sell	-7,615	Closed	-$274K	–	895
2024 Q4	$274K	Sell	7,615 -12,343	-62%	-$456K	﹤0.01%	730
2024 Q3	$797K	Buy	+19,958	New	+$819K	﹤0.01%	629
2022 Q4	–	Sell	-13,860	Closed	-$357K	–	913
2022 Q3	$357K	Sell	13,860 -30,565	-69%	-$936K	﹤0.01%	739
2022 Q2	$1.32M	Buy	+44,425	New	+$1.44M	0.01%	626

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

Holocene Advisors's UCTT Position: Q2 2026 in Review

Holocene Advisors opened a new position in Ultra Clean Holdings (UCTT) in Q2 2026: 2,911 shares worth $415K. The stake represents ﹤0.01% of the portfolio and ranks #747 among its holdings. This is a return to the name: Holocene Advisors previously reported a position in UCTT as recently as Q4 2024.

Holocene Advisors first reported a position in UCTT in Q2 2022 and has held it in 5 quarters since. The position peaked at $1.32M in Q2 2022. 439 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

Holocene Advisors held 2,911 shares of Ultra Clean Holdings worth $415K as of Q2 2026.
Ultra Clean Holdings was a new Holocene Advisors position in Q2 2026.
Ultra Clean Holdings made up ﹤0.01% of Holocene Advisors's portfolio in Q2 2026, its #747 holding.
Holocene Advisors first reported a position in Ultra Clean Holdings in Q2 2022 and has held it in 5 quarters since.
Holocene Advisors's Ultra Clean Holdings position peaked at $1.32M in Q2 2022.
439 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.