Wellington Management Group
UCTT

Wellington Management Group’s Ultra Clean Holdings UCTT Stock Holding History

Wellington Management Group’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 		$7.67M Buy
+53,796
New +$4.73M ﹤0.01% 1363
2024
Q3 		– Sell
-531,013
Closed -$26M – 2028
2024
Q2 		$26M Sell
531,013
-17
-0% -$763 ﹤0.01% 881
2024
Q1 		$24.4M Buy
+531,030
New +$21.6M ﹤0.01% 898
2022
Q2 		– Sell
-14,661
Closed -$621K – 2198
2022
Q1 		$621K Buy
+14,661
New +$702K ﹤0.01% 1847
2021
Q1 		– Sell
-11,596
Closed -$361K – 2185
2020
Q4 		$361K Sell
11,596
-15,021
-56% -$419K ﹤0.01% 1783
2020
Q3 		$571K Sell
26,617
-22,069
-45% -$536K ﹤0.01% 1676
2020
Q2 		$1.1M Sell
48,686
-33,360
-41% -$634K ﹤0.01% 1473
2020
Q1 		$1.13M Buy
82,046
+3,094
+4% +$65.7K ﹤0.01% 1498
2019
Q4 		$1.85M Buy
+78,952
New +$1.6M ﹤0.01% 1569
2018
Q1 		– Sell
-20,405
Closed -$471K – 2322
2017
Q4 		$471K Sell
20,405
-101,927
-83% -$2.61M ﹤0.01% 2053
2017
Q3 		$3.75M Buy
122,332
+104
+0.1% +$2.46K ﹤0.01% 1558
2017
Q2 		$2.29M Buy
122,228
+89,165
+270% +$1.79M ﹤0.01% 1662
2017
Q1 		$558K Buy
+33,063
New +$439K ﹤0.01% 2058
2014
Q2 		– Sell
-70,200
Closed -$923K – 2231
2014
Q1 		$923K Buy
+70,200
New +$876K ﹤0.01% 1838

Other funds holding UCTT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Geode Capital Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Wellington Management Group's UCTT Position: Q2 2026 in Review

Wellington Management Group opened a new position in Ultra Clean Holdings (UCTT) in Q2 2026: 53,796 shares worth $7.67M. The stake represents ﹤0.01% of the portfolio and ranks #1363 among its holdings. This is a return to the name: Wellington Management Group previously reported a position in UCTT as recently as Q2 2024.

Wellington Management Group first reported a position in UCTT in Q1 2014 and has held it in 14 quarters since. The position peaked at $26M in Q2 2024. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Wellington Management Group held 53,796 shares of Ultra Clean Holdings worth $7.67M as of Q2 2026.
  • Ultra Clean Holdings was a new Wellington Management Group position in Q2 2026.
  • Ultra Clean Holdings made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1363 holding.
  • Wellington Management Group first reported a position in Ultra Clean Holdings in Q1 2014 and has held it in 14 quarters since.
  • Wellington Management Group's Ultra Clean Holdings position peaked at $26M in Q2 2024.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.