Canada Pension Plan Investment Board’s Ultra Clean Holdings UCTT Stock Holding History

Canada Pension Plan Investment Board’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	$224K	Sell	3,600 -120,200	-97%	-$6.16M	﹤0.01%	1537
2025 Q4	$3.14M	Buy	123,800 +16,500	+15%	+$439K	﹤0.01%	864
2025 Q3	$2.92M	Buy	+107,300	New	+$2.64M	﹤0.01%	851
2025 Q1	–	Sell	-34,500	Closed	-$1.24M	–	1481
2024 Q4	$1.24M	Buy	34,500 +9,100	+36%	+$336K	﹤0.01%	973
2024 Q3	$1.01M	Buy	+25,400	New	+$1.04M	﹤0.01%	990
2021 Q1	–	Sell	-50,400	Closed	-$1.57M	–	1545
2020 Q4	$1.57M	Buy	+50,400	New	+$1.41M	﹤0.01%	887

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

Canada Pension Plan Investment Board's UCTT Position: Q1 2026 in Review

Canada Pension Plan Investment Board reduced its Ultra Clean Holdings (UCTT) stake by 97% in Q1 2026, selling an estimated $6.16M and leaving 3,600 shares worth $224K. The position accounts for ﹤0.01% of the portfolio, ranked #1537.

Canada Pension Plan Investment Board first reported a position in UCTT in Q4 2020 and has held it in 6 quarters since. The position peaked at $3.14M in Q4 2025. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

Canada Pension Plan Investment Board held 3,600 shares of Ultra Clean Holdings worth $224K as of Q1 2026.
Canada Pension Plan Investment Board sold 120,200 Ultra Clean Holdings shares in Q1 2026, an estimated $6.16M.
Ultra Clean Holdings made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #1537 holding.
Canada Pension Plan Investment Board first reported a position in Ultra Clean Holdings in Q4 2020 and has held it in 6 quarters since.
Canada Pension Plan Investment Board's Ultra Clean Holdings position peaked at $3.14M in Q4 2025.
331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.