Group One Trading
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Group One Trading’s United Microelectronic UMC Stock Holding History

Group One Trading’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 		$3.45M Buy
384,600
+383,900
+54,843% +$3.74M 0.01% 1589
2025
Q4 		$5.5K Buy
+700
New +$5.31K ﹤0.01% 7141
2025
Q3 		– Sell
-100
Closed -$765 – 9198
2025
Q2 		$765 Sell
100
-3,500
-97% -$26K ﹤0.01% 7608
2025
Q1 		$25.7K Sell
3,600
-16,500
-82% -$105K ﹤0.01% 5650
2024
Q4 		$130K Sell
20,100
-1,100
-5% -$7.88K ﹤0.01% 4292
2024
Q3 		$179K Sell
21,200
-4,600
-18% -$38.5K ﹤0.01% 3729
2024
Q2 		$226K Sell
25,800
-37,000
-59% -$305K ﹤0.01% 3290
2024
Q1 		$508K Buy
62,800
+27,000
+75% +$215K ﹤0.01% 2709
2023
Q4 		$303K Sell
35,800
-4,400
-11% -$33.5K ﹤0.01% 3498
2023
Q3 		$284K Sell
40,200
-131,500
-77% -$953K ﹤0.01% 3487
2023
Q2 		$1.35M Buy
171,700
+157,100
+1,076% +$1.29M ﹤0.01% 2067
2023
Q1 		$128K Sell
14,600
-252,800
-95% -$2.05M ﹤0.01% 4073
2022
Q4 		$1.75M Sell
267,400
-372,700
-58% -$2.47M ﹤0.01% 1940
2022
Q3 		$3.56M Sell
640,100
-1,621,200
-72% -$10.7M 0.01% 1438
2022
Q2 		$15.3M Sell
2,261,300
-240,200
-10% -$1.97M 0.02% 601
2022
Q1 		$22.8M Buy
2,501,500
+1,181,100
+89% +$11.7M 0.02% 547
2021
Q4 		$15.4M Buy
1,320,400
+715,600
+118% +$7.96M 0.01% 815
2021
Q3 		$6.91M Buy
604,800
+204,200
+51% +$2.19M 0.01% 1394
2021
Q2 		$3.79M Buy
400,600
+206,800
+107% +$1.94M ﹤0.01% 1967
2021
Q1 		$1.77M Buy
193,800
+102,400
+112% +$947K ﹤0.01% 2603
2020
Q4 		$771K Buy
+91,400
New +$596K ﹤0.01% 2878
2015
Q4 		– Sell
-3,500
Closed -$6K – 5121
2015
Q3 		$6K Hold
3,500
– – ﹤0.01% 4467
2015
Q2 		$7K Buy
+3,500
New +$7.88K ﹤0.01% 4407

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

Group One Trading's UMC Position: Q1 2026 in Review

Group One Trading opened a new position in United Microelectronic (UMC) in Q1 2026: 113,737 shares worth $1.02M. The stake represents ﹤0.01% of the portfolio and ranks #2702 among its holdings. This is a return to the name: Group One Trading previously reported a position in UMC as recently as Q2 2025.

Group One Trading first reported a position in UMC in Q2 2013 and has held it in 15 quarters since. The position peaked at $7.63M in Q2 2022. 316 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • Group One Trading held 113,737 shares of United Microelectronic worth $1.02M as of Q1 2026.
  • United Microelectronic was a new Group One Trading position in Q1 2026.
  • United Microelectronic made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2702 holding.
  • Group One Trading first reported a position in United Microelectronic in Q2 2013 and has held it in 15 quarters since.
  • Group One Trading's United Microelectronic position peaked at $7.63M in Q2 2022.
  • 316 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.