Walleye Trading
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Walleye Trading’s United Microelectronic UMC Stock Holding History

Walleye 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 		$342K Buy
38,100
+8,800
+30% +$85.8K ﹤0.01% 2808
2025
Q4 		$230K Hold
29,300
– – ﹤0.01% 3323
2025
Q3 		$222K Buy
+29,300
New +$208K ﹤0.01% 3300
2025
Q2 		– Sell
-6,800
Closed -$48.6K – 4722
2025
Q1 		$48.6K Buy
+6,800
New +$43.3K ﹤0.01% 3617
2024
Q4 		– Sell
-900
Closed -$7.58K – 4691
2024
Q3 		$7.58K Buy
+900
New +$7.53K ﹤0.01% 3803
2024
Q2 		– Sell
-10,200
Closed -$82.5K – 4930
2024
Q1 		$82.5K Buy
+10,200
New +$81.2K ﹤0.01% 3841
2023
Q4 		– Sell
-173,700
Closed -$1.23M – 5521
2023
Q3 		$1.23M Buy
173,700
+23,600
+16% +$171K ﹤0.01% 2193
2023
Q2 		$1.18M Sell
150,100
-139,900
-48% -$1.15M ﹤0.01% 2025
2023
Q1 		$2.54M Sell
290,000
-135,100
-32% -$1.09M 0.01% 1507
2022
Q4 		$2.78M Sell
425,100
-75,400
-15% -$499K 0.01% 1461
2022
Q3 		$2.79M Buy
500,500
+500,300
+250,150% +$3.3M 0.01% 1452
2022
Q2 		$1K Sell
200
-157,200
-100% -$1.29M ﹤0.01% 5005
2022
Q1 		$1.44M Buy
+157,400
New +$1.56M ﹤0.01% 1935

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

Walleye Trading's UMC Position: Q1 2026 in Review

Walleye Trading opened a new position in United Microelectronic (UMC) in Q1 2026: 67,271 shares worth $604K. The stake represents ﹤0.01% of the portfolio and ranks #2469 among its holdings. This is a return to the name: Walleye Trading previously reported a position in UMC as recently as Q1 2025.

Walleye Trading first reported a position in UMC in Q1 2024 and has held it in 5 quarters since. The position peaked at $980K in Q1 2025. 316 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • Walleye Trading held 67,271 shares of United Microelectronic worth $604K as of Q1 2026.
  • United Microelectronic was a new Walleye Trading position in Q1 2026.
  • United Microelectronic made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2469 holding.
  • Walleye Trading first reported a position in United Microelectronic in Q1 2024 and has held it in 5 quarters since.
  • Walleye Trading's United Microelectronic position peaked at $980K in Q1 2025.
  • 316 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.