IMC Chicago
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IMC Chicago’s United Microelectronic UMC Stock Holding History

IMC Chicago’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 		$576K Sell
64,100
-1,800
-3% -$17.6K ﹤0.01% 3891
2025
Q4 		$518K Buy
65,900
+26,800
+69% +$203K ﹤0.01% 3452
2025
Q3 		$296K Buy
+39,100
New +$277K ﹤0.01% 3412
2025
Q2 		– Sell
-57,500
Closed -$411K – 3611
2025
Q1 		$411K Buy
+57,500
New +$366K ﹤0.01% 2774

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

IMC Chicago's UMC Position: Q1 2026 in Review

IMC Chicago opened a new position in United Microelectronic (UMC) in Q1 2026: 23,529 shares worth $211K. The stake represents ﹤0.01% of the portfolio and ranks #4963 among its holdings. This is a return to the name: IMC Chicago previously reported a position in UMC as recently as Q4 2024.

IMC Chicago first reported a position in UMC in Q4 2024 and has held it in 2 quarters since. The position peaked at $256K in Q4 2024. 316 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • IMC Chicago held 23,529 shares of United Microelectronic worth $211K as of Q1 2026.
  • United Microelectronic was a new IMC Chicago position in Q1 2026.
  • United Microelectronic made up ﹤0.01% of IMC Chicago's portfolio in Q1 2026, its #4963 holding.
  • IMC Chicago first reported a position in United Microelectronic in Q4 2024 and has held it in 2 quarters since.
  • IMC Chicago's United Microelectronic position peaked at $256K in Q4 2024.
  • 316 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.