RS
UMC icon

R Squared’s United Microelectronic UMC Stock Holding History

R Squared’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 		– Sell
-27,926
Closed -$219K – 668
2025
Q4 		$219K Buy
+27,926
New +$212K 0.1% 328
2025
Q2 		– Sell
-16,450
Closed -$118K – 563
2025
Q1 		$118K Sell
16,450
-2,240
-12% -$14.3K 0.13% 219
2024
Q4 		$121K Buy
+18,690
New +$134K 0.12% 221

Other funds holding UMC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 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
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

R Squared's UMC Position: Q1 2026 in Review

R Squared sold out of United Microelectronic (UMC) in Q1 2026, closing a stake of 27,926 shares — an estimated $219K sold.

R Squared first reported a position in UMC in Q4 2024 and held it in 3 quarters. The position peaked at $219K in Q4 2025. 318 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • R Squared reported no remaining United Microelectronic position as of Q1 2026 after selling out during the quarter.
  • R Squared sold 27,926 United Microelectronic shares in Q1 2026, an estimated $219K.
  • R Squared first reported a position in United Microelectronic in Q4 2024 and held it in 3 quarters.
  • R Squared's United Microelectronic position peaked at $219K in Q4 2025.
  • 318 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on R Squared's 13F filing for Q1 2026, filed 29 Apr 2026.