EAM Investors’s Ultra Clean Holdings UCTT Stock Holding History

EAM Investors’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	$5.87M	Sell	41,163 -640	-2%	-$56.3K	0.52%	71
2026 Q1	$2.6M	Buy	+41,803	New	+$2.14M	0.3%	150
2021 Q3	–	Sell	-49,784	Closed	-$2.67M	–	396
2021 Q2	$2.67M	Sell	49,784 -66,533	-57%	-$3.56M	0.41%	65
2021 Q1	$6.75M	Buy	116,317 +40,031	+52%	+$1.84M	1.02%	2
2020 Q4	$2.38M	Buy	+76,286	New	+$2.13M	0.39%	69
2020 Q1	–	Sell	-151,225	Closed	-$3.55M	–	287
2019 Q4	$3.55M	Buy	151,225 +70,005	+86%	+$1.42M	0.78%	21
2019 Q3	$1.19M	Buy	+81,220	New	+$1.13M	0.31%	156
2017 Q4	–	Sell	-167,414	Closed	-$5.13M	–	348
2017 Q3	$5.13M	Sell	167,414 -35,917	-18%	-$849K	0.68%	25
2017 Q2	$3.81M	Sell	203,331 -168,926	-45%	-$3.4M	0.63%	31
2017 Q1	$6.28M	Buy	372,257 +92,538	+33%	+$1.23M	0.99%	2
2016 Q4	$2.71M	Buy	279,719 +6,567	+2%	+$59.6K	0.36%	141
2016 Q3	$2.02M	Buy	+273,152	New	+$1.79M	0.27%	186
2014 Q2	–	Sell	-205,313	Closed	-$2.7M	–	366
2014 Q1	$2.7M	Buy	+205,313	New	+$2.56M	0.49%	41

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

EAM Investors's UCTT Position: Q2 2026 in Review

EAM Investors reduced its Ultra Clean Holdings (UCTT) stake by 1.5% in Q2 2026, selling an estimated $56.3K and leaving 41,163 shares worth $5.87M. The position accounts for 0.52% of the portfolio, ranked #71.

EAM Investors first reported a position in UCTT in Q1 2014 and has held it in 13 quarters since. The position peaked at $6.75M in Q1 2021. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

EAM Investors held 41,163 shares of Ultra Clean Holdings worth $5.87M as of Q2 2026.
EAM Investors sold 640 Ultra Clean Holdings shares in Q2 2026, an estimated $56.3K.
Ultra Clean Holdings made up 0.52% of EAM Investors's portfolio in Q2 2026, its #71 holding.
EAM Investors first reported a position in Ultra Clean Holdings in Q1 2014 and has held it in 13 quarters since.
EAM Investors's Ultra Clean Holdings position peaked at $6.75M in Q1 2021.
438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on EAM Investors's 13F filing for Q2 2026, filed 13 Aug 2026.