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
Q2 		– Sell
-113,737
Closed -$1.94M – 8563
2026
Q1 		$1.02M Buy
+113,737
New +$1.11M ﹤0.01% 2702
2025
Q3 		– Sell
-521
Closed -$3.7K – 9197
2025
Q2 		$3.99K Buy
+521
New +$3.87K ﹤0.01% 7185
2024
Q1 		– Sell
-57,365
Closed -$456K – 7999
2023
Q4 		$485K Buy
+57,365
New +$437K ﹤0.01% 3099
2022
Q4 		– Sell
-270,855
Closed -$1.79M – 8129
2022
Q3 		$1.51M Sell
270,855
-855,991
-76% -$5.65M ﹤0.01% 2150
2022
Q2 		$7.63M Buy
1,126,846
+571,527
+103% +$4.69M 0.01% 1022
2022
Q1 		$5.07M Buy
555,319
+85,438
+18% +$847K 0.01% 1541
2021
Q4 		$5.5M Buy
469,881
+386,206
+462% +$4.3M ﹤0.01% 1622
2021
Q3 		$956K Buy
+83,675
New +$898K ﹤0.01% 3463
2020
Q3 		– Sell
-400
Closed -$1.49K – 6568
2020
Q2 		$1K Buy
+400
New +$1.01K ﹤0.01% 5678
2019
Q1 		– Sell
-400
Closed -$1K – 5391
2018
Q4 		$1K Hold
400
– – ﹤0.01% 4751
2018
Q3 		$1K Buy
+400
New +$1.09K ﹤0.01% 5086
2016
Q1 		– Sell
-1,000
Closed -$2K – 4967
2015
Q4 		$2K Sell
1,000
-3,500
-78% -$6.55K ﹤0.01% 4546
2015
Q3 		$7K Hold
4,500
– – ﹤0.01% 4421
2015
Q2 		$9K Buy
+4,500
New +$10.1K ﹤0.01% 4335
2013
Q3 		– Sell
-3,000
Closed -$7K – 5593
2013
Q2 		$7K Buy
+3,000
New +$6.09K ﹤0.01% 4584

Other funds holding UMC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Rafferty Asset Management
Rafferty Asset Management New York $43.9B AUM 121.74% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return

Group One Trading's UMC Position: Q2 2026 in Review

Group One Trading sold out of United Microelectronic (UMC) in Q2 2026, closing a stake of 113,737 shares — an estimated $1.94M sold.

Group One Trading first reported a position in UMC in Q2 2013 and held it in 15 quarters. The position peaked at $7.63M in Q2 2022. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Group One Trading reported no remaining United Microelectronic position as of Q2 2026 after selling out during the quarter.
  • Group One Trading sold 113,737 United Microelectronic shares in Q2 2026, an estimated $1.94M.
  • Group One Trading first reported a position in United Microelectronic in Q2 2013 and held it in 15 quarters.
  • Group One Trading's United Microelectronic position peaked at $7.63M in Q2 2022.
  • 362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.