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 		$4.89M Buy
545,100
+412,300
+310% +$4.02M 0.01% 1319
2025
Q4 		$1.04M Sell
132,800
-4,600
-3% -$34.9K ﹤0.01% 2843
2025
Q3 		$1.04M Buy
137,400
+63,800
+87% +$453K ﹤0.01% 2990
2025
Q2 		$563K Sell
73,600
-171,500
-70% -$1.27M ﹤0.01% 3285
2025
Q1 		$1.75M Buy
245,100
+107,400
+78% +$684K 0.01% 1937
2024
Q4 		$894K Sell
137,700
-23,600
-15% -$169K ﹤0.01% 2670
2024
Q3 		$1.36M Sell
161,300
-87,200
-35% -$730K ﹤0.01% 2048
2024
Q2 		$2.18M Sell
248,500
-46,300
-16% -$382K 0.01% 1377
2024
Q1 		$2.38M Buy
294,800
+157,000
+114% +$1.25M 0.01% 1358
2023
Q4 		$1.17M Sell
137,800
-60,700
-31% -$463K ﹤0.01% 2324
2023
Q3 		$1.4M Buy
198,500
+60,800
+44% +$440K ﹤0.01% 1943
2023
Q2 		$1.09M Sell
137,700
-303,400
-69% -$2.5M ﹤0.01% 2284
2023
Q1 		$3.86M Sell
441,100
-482,900
-52% -$3.91M 0.01% 1009
2022
Q4 		$6.03M Buy
924,000
+126,700
+16% +$839K 0.01% 1031
2022
Q3 		$4.44M Sell
797,300
-489,000
-38% -$3.23M 0.01% 1255
2022
Q2 		$8.71M Buy
1,286,300
+16,400
+1% +$135K 0.01% 938
2022
Q1 		$11.6M Buy
1,269,900
+615,700
+94% +$6.1M 0.01% 895
2021
Q4 		$7.65M Buy
654,200
+78,500
+14% +$873K 0.01% 1338
2021
Q3 		$6.58M Sell
575,700
-630,400
-52% -$6.76M 0.01% 1433
2021
Q2 		$11.4M Sell
1,206,100
-13,600
-1% -$127K 0.01% 974
2021
Q1 		$11.1M Buy
1,219,700
+962,900
+375% +$8.9M 0.02% 862
2020
Q4 		$2.17M Buy
256,800
+221,100
+619% +$1.44M ﹤0.01% 1980
2020
Q3 		$171K Buy
+35,700
New +$133K ﹤0.01% 3789
2018
Q3 		– Sell
-400
Closed -$1K – 5632
2018
Q2 		$1K Buy
+400
New +$1.09K ﹤0.01% 5001

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.