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
Q2 		$2.05M Buy
75,300
+36,300
+93% +$620K ﹤0.01% 3008
2026
Q1 		$350K Buy
+39,000
New +$380K ﹤0.01% 4409
2025
Q1 		– Sell
-53,800
Closed -$349K – 3496
2024
Q4 		$349K Buy
+53,800
New +$385K ﹤0.01% 2921

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

IMC Chicago's UMC Position: Q2 2026 in Review

IMC Chicago increased its United Microelectronic (UMC) stake by 67% in Q2 2026, buying an estimated $269K and bringing the position to 39,242 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #3782.

IMC Chicago first reported a position in UMC in Q4 2024 and has held it in 3 quarters since. 364 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • IMC Chicago held 39,242 shares of United Microelectronic worth $1.07M as of Q2 2026.
  • IMC Chicago bought 15,713 United Microelectronic shares in Q2 2026, an estimated $269K.
  • United Microelectronic made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #3782 holding.
  • IMC Chicago first reported a position in United Microelectronic in Q4 2024 and has held it in 3 quarters since.
  • 364 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.