CM
UCTT

CastleKnight Management’s Ultra Clean Holdings UCTT Stock Holding History

CastleKnight Management’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 		$2.67M Buy
18,700
+2,500
+15% +$220K 0.04% 268
2026
Q1 		$1.01M Sell
16,200
-30,900
-66% -$1.58M 0.02% 349
2025
Q4 		$1.19M Hold
47,100
– – 0.03% 256
2025
Q3 		$1.28M Sell
47,100
-8,000
-15% -$197K 0.03% 288
2025
Q2 		$1.24M Buy
55,100
+17,600
+47% +$361K 0.04% 268
2025
Q1 		$803K Hold
37,500
– – 0.03% 236
2024
Q4 		$1.35M Hold
37,500
– – 0.04% 209
2024
Q3 		$1.5M Buy
37,500
+10,400
+38% +$427K 0.06% 169
2024
Q2 		$1.33M Hold
27,100
– – 0.07% 181
2024
Q1 		$1.24M Buy
27,100
+4,800
+22% +$195K 0.07% 179
2023
Q4 		$761K Hold
22,300
– – 0.04% 197
2023
Q3 		$662K Hold
22,300
– – 0.04% 211
2023
Q2 		$858K Buy
22,300
+10,300
+86% +$331K 0.09% 147
2023
Q1 		$398K Sell
12,000
-22,600
-65% -$747K 0.04% 201
2022
Q4 		$1.15M Sell
34,600
-28,500
-45% -$909K 0.15% 89
2022
Q3 		$1.63M Hold
63,100
– – 0.23% 58
2022
Q2 		$1.88M Buy
63,100
+8,600
+16% +$279K 0.31% 56
2022
Q1 		$2.31M Buy
54,500
+12,400
+29% +$593K 0.33% 55
2021
Q4 		$2.42M Buy
+42,100
New +$2.19M 0.5% 36

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

CastleKnight Management's UCTT Position: Q2 2026 in Review

CastleKnight Management increased its Ultra Clean Holdings (UCTT) stake by 15% in Q2 2026, buying an estimated $220K and bringing the position to 18,700 shares worth $2.67M. The position accounts for 0.04% of the portfolio, ranked #268.

CastleKnight Management first reported a position in UCTT in Q4 2021 and has held it in 19 quarters since. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • CastleKnight Management held 18,700 shares of Ultra Clean Holdings worth $2.67M as of Q2 2026.
  • CastleKnight Management bought 2,500 Ultra Clean Holdings shares in Q2 2026, an estimated $220K.
  • Ultra Clean Holdings made up 0.04% of CastleKnight Management's portfolio in Q2 2026, its #268 holding.
  • CastleKnight Management first reported a position in Ultra Clean Holdings in Q4 2021 and has held it in 19 quarters since.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

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