Walleye Trading
UCTT icon

Walleye Trading’s Ultra Clean Holdings UCTT Stock Holding History

Walleye Trading’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 		$3.14M Buy
+22,000
New +$1.94M ﹤0.01% 1577
2025
Q2 		– Sell
-1,100
Closed -$23.6K – 4717
2025
Q1 		$23.6K Buy
+1,100
New +$35.1K ﹤0.01% 3767
2024
Q1 		– Sell
-1,400
Closed -$47.8K – 5375
2023
Q4 		$47.8K Buy
+1,400
New +$38.9K ﹤0.01% 4349
2023
Q3 		– Sell
-15,400
Closed -$592K – 5381
2023
Q2 		$592K Sell
15,400
-9,200
-37% -$296K ﹤0.01% 2610
2023
Q1 		$816K Buy
24,600
+20,600
+515% +$681K ﹤0.01% 2389
2022
Q4 		$133K Buy
+4,000
New +$128K ﹤0.01% 3836
2022
Q3 		– Sell
-8,800
Closed -$262K – 5571
2022
Q2 		$262K Sell
8,800
-6,200
-41% -$201K ﹤0.01% 3497
2022
Q1 		$636K Buy
15,000
+11,700
+355% +$560K ﹤0.01% 2659
2021
Q4 		$189K Sell
3,300
-15,800
-83% -$822K ﹤0.01% 3920
2021
Q3 		$814K Buy
19,100
+14,500
+315% +$684K ﹤0.01% 2436
2021
Q2 		$247K Buy
4,600
+600
+15% +$32.1K ﹤0.01% 3727
2021
Q1 		$232K Buy
+4,000
New +$184K ﹤0.01% 3488
2020
Q4 		– Sell
-56,900
Closed -$1.22M – 4949
2020
Q3 		$1.22M Buy
+56,900
New +$1.38M 0.01% 1495
2020
Q1 		– Sell
-1,000
Closed -$23K – 4598
2019
Q4 		$23K Buy
+1,000
New +$20.2K ﹤0.01% 3961
2019
Q2 		– Sell
-104,900
Closed -$1.09M – 4512
2019
Q1 		$1.09M Sell
104,900
-3,700
-3% -$39.7K 0.01% 1577
2018
Q4 		$920K Buy
108,600
+85,600
+372% +$837K 0.01% 1805
2018
Q3 		$289K Sell
23,000
-3,800
-14% -$55.3K ﹤0.01% 3430
2018
Q2 		$445K Sell
26,800
-21,400
-44% -$375K ﹤0.01% 2953
2018
Q1 		$928K Sell
48,200
-100
-0.2% -$2.11K 0.01% 2006
2017
Q4 		$1.11M Buy
48,300
+29,900
+163% +$766K 0.01% 1828
2017
Q3 		$562K Buy
18,400
+17,100
+1,315% +$404K ﹤0.01% 2365
2017
Q2 		$25K Buy
+1,300
New +$26.2K ﹤0.01% 4082

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 $3.38T AUM 44.17% 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

Walleye Trading's UCTT Position: Q2 2026 in Review

Walleye Trading opened a new position in Ultra Clean Holdings (UCTT) in Q2 2026: 3,213 shares worth $458K. The stake represents ﹤0.01% of the portfolio and ranks #2733 among its holdings. This is a return to the name: Walleye Trading previously reported a position in UCTT as recently as Q4 2023.

Walleye Trading first reported a position in UCTT in Q3 2015 and has held it in 17 quarters since. The position peaked at $1.56M in Q3 2018. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Walleye Trading held 3,213 shares of Ultra Clean Holdings worth $458K as of Q2 2026.
  • Ultra Clean Holdings was a new Walleye Trading position in Q2 2026.
  • Ultra Clean Holdings made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2733 holding.
  • Walleye Trading first reported a position in Ultra Clean Holdings in Q3 2015 and has held it in 17 quarters since.
  • Walleye Trading's Ultra Clean Holdings position peaked at $1.56M in Q3 2018.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.