Public Sector Pension Investment Board (PSP Investments)
UCTT

Public Sector Pension Investment Board (PSP Investments)’s Ultra Clean Holdings UCTT Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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 		$17.2M Buy
277,351
+120,174
+76% +$6.16M 0.05% 304
2025
Q4 		$3.98M Sell
157,177
-19,693
-11% -$524K 0.01% 960
2025
Q3 		$4.82M Buy
176,870
+22,975
+15% +$565K 0.02% 806
2025
Q2 		$3.47M Buy
153,895
+11,047
+8% +$227K 0.01% 848
2025
Q1 		$3.06M Buy
142,848
+30,608
+27% +$977K 0.01% 932
2024
Q4 		$4.04M Buy
112,240
+16,662
+17% +$616K 0.02% 747
2024
Q3 		$3.82M Sell
95,578
-3,200
-3% -$131K 0.02% 604
2024
Q2 		$4.84M Buy
98,778
+6,887
+7% +$309K 0.03% 436
2024
Q1 		$4.22M Sell
91,891
-1,140
-1% -$46.3K 0.03% 441
2023
Q4 		$3.18M Buy
93,031
+37,785
+68% +$1.05M 0.02% 563
2023
Q3 		$1.64M Sell
55,246
-24,093
-30% -$812K 0.01% 878
2023
Q2 		$3.05M Sell
79,339
-679
-0.8% -$21.9K 0.02% 673
2023
Q1 		$2.65M Sell
80,018
-2,754
-3% -$91.1K 0.02% 763
2022
Q4 		$2.74M Sell
82,772
-715
-0.9% -$22.8K 0.02% 733
2022
Q3 		$2.15M Hold
83,487
– – 0.02% 800
2022
Q2 		$2.48M Sell
83,487
-316
-0.4% -$10.3K 0.02% 687
2022
Q1 		$3.55M Sell
83,803
-7,650
-8% -$366K 0.02% 655
2021
Q4 		$5.25M Buy
91,453
+1,130
+1% +$58.8K 0.03% 546
2021
Q3 		$3.85M Buy
90,323
+820
+0.9% +$38.7K 0.02% 708
2021
Q2 		$4.81M Buy
89,503
+6,000
+7% +$321K 0.03% 584
2021
Q1 		$4.85M Sell
83,503
-6,080
-7% -$280K 0.03% 509
2020
Q4 		$2.79M Buy
89,583
+440
+0.5% +$12.3K 0.02% 723
2020
Q3 		$1.91M Hold
89,143
– – 0.02% 882
2020
Q2 		$2.02M Hold
89,143
– – 0.02% 775
2020
Q1 		$1.23M Hold
89,143
– – 0.01% 866
2019
Q4 		$2.09M Sell
89,143
-11,300
-11% -$228K 0.01% 1107
2019
Q3 		$1.47M Buy
100,443
+13,688
+16% +$190K 0.01% 1177
2019
Q2 		$1.21M Buy
86,755
+52,600
+154% +$670K 0.01% 1209
2019
Q1 		$354K Hold
34,155
– – ﹤0.01% 1414
2018
Q4 		$289K Buy
34,155
+7,600
+29% +$74.3K ﹤0.01% 1487
2018
Q3 		$333K Buy
26,555
+2,255
+9% +$32.8K ﹤0.01% 1426
2018
Q2 		$403K Hold
24,300
– – ﹤0.01% 1249
2018
Q1 		$468K Buy
+24,300
New +$513K ﹤0.01% 1157

Other funds holding UCTT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 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 $13.6B AUM 173.98% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s UCTT Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Ultra Clean Holdings (UCTT) stake by 76% in Q1 2026, buying an estimated $6.16M and bringing the position to 277,351 shares worth $17.2M. The position accounts for 0.05% of the portfolio, ranked #304.

Public Sector Pension Investment Board (PSP Investments) first reported a position in UCTT in Q1 2018 and has held it in 33 quarters since. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 277,351 shares of Ultra Clean Holdings worth $17.2M as of Q1 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 120,174 Ultra Clean Holdings shares in Q1 2026, an estimated $6.16M.
  • Ultra Clean Holdings made up 0.05% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #304 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Ultra Clean Holdings in Q1 2018 and has held it in 33 quarters since.
  • 331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.