Citadel Advisors
UMC icon

Citadel Advisors’s United Microelectronic UMC Stock Holding History

Citadel Advisors’s Portfolio UMC Stock Details UMC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.48M Buy
165,300
+130,000
+368% +$1.27M ﹤0.01% 6732
2025
Q4 		$277K Buy
35,300
+5,800
+20% +$44K ﹤0.01% 10317
2025
Q3 		$224K Sell
29,500
-34,700
-54% -$246K ﹤0.01% 11028
2025
Q2 		$491K Buy
64,200
+7,700
+14% +$57.1K ﹤0.01% 8674
2025
Q1 		$404K Sell
56,500
-183,300
-76% -$1.17M ﹤0.01% 8952
2024
Q4 		$1.56M Buy
239,800
+167,000
+229% +$1.2M ﹤0.01% 6150
2024
Q3 		$613K Sell
72,800
-21,800
-23% -$182K ﹤0.01% 7827
2024
Q2 		$829K Buy
94,600
+71,400
+308% +$589K ﹤0.01% 6985
2024
Q1 		$188K Sell
23,200
-12,300
-35% -$97.9K ﹤0.01% 10419
2023
Q4 		$300K Sell
35,500
-34,000
-49% -$259K ﹤0.01% 9148
2023
Q3 		$491K Sell
69,500
-60,400
-46% -$438K ﹤0.01% 8096
2023
Q2 		$1.02M Buy
129,900
+61,800
+91% +$509K ﹤0.01% 6404
2023
Q1 		$597K Sell
68,100
-447,700
-87% -$3.63M ﹤0.01% 7954
2022
Q4 		$3.37M Sell
515,800
-377,500
-42% -$2.5M ﹤0.01% 4553
2022
Q3 		$4.98M Sell
893,300
-241,800
-21% -$1.6M ﹤0.01% 3879
2022
Q2 		$7.68M Sell
1,135,100
-363,000
-24% -$2.98M ﹤0.01% 3037
2022
Q1 		$13.7M Buy
1,498,100
+733,900
+96% +$7.27M ﹤0.01% 2494
2021
Q4 		$8.94M Buy
764,200
+235,500
+45% +$2.62M ﹤0.01% 3265
2021
Q3 		$6.04M Buy
528,700
+55,200
+12% +$592K ﹤0.01% 3947
2021
Q2 		$4.47M Buy
473,500
+195,900
+71% +$1.84M ﹤0.01% 4674
2021
Q1 		$2.53M Buy
277,600
+51,700
+23% +$478K ﹤0.01% 5848
2020
Q4 		$1.9M Buy
225,900
+194,100
+610% +$1.27M ﹤0.01% 5441
2020
Q3 		$152K Buy
+31,800
New +$118K ﹤0.01% 8997

Other funds holding UMC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Citadel Advisors's UMC Position: Q1 2026 in Review

Citadel Advisors reduced its United Microelectronic (UMC) stake by 32% in Q1 2026, selling an estimated $3.5M and leaving 765,322 shares worth $6.87M. The position accounts for ﹤0.01% of the portfolio, ranked #3839.

Citadel Advisors first reported a position in UMC in Q2 2013 and has held it in 45 quarters since. The position peaked at $18.6M in Q1 2025. 317 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • Citadel Advisors held 765,322 shares of United Microelectronic worth $6.87M as of Q1 2026.
  • Citadel Advisors sold 358,988 United Microelectronic shares in Q1 2026, an estimated $3.5M.
  • United Microelectronic made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3839 holding.
  • Citadel Advisors first reported a position in United Microelectronic in Q2 2013 and has held it in 45 quarters since.
  • Citadel Advisors's United Microelectronic position peaked at $18.6M in Q1 2025.
  • 317 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.