Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s United Microelectronic UMC Stock Holding History

Robeco Institutional Asset Management’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 		$5.04M Sell
185,209
-126,323
-41% -$2.16M 0.01% 529
2026
Q1 		$2.8M Buy
311,532
+66,761
+27% +$651K ﹤0.01% 635
2025
Q4 		$1.92M Buy
+244,771
New +$1.86M ﹤0.01% 675

Other funds holding UMC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
MICM
Matthews International Capital Management San Francisco, California $292M AUM 75.01% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return
MWM
Moran Wealth Management Naples, Florida $3.67B AUM 36.71% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
EI
Ethic Inc New York $8.02B AUM 45.39% 1-Year Est. Return
S
SignatureFD Atlanta, Georgia $7.49B AUM 24.82% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

Robeco Institutional Asset Management's UMC Position: Q2 2026 in Review

Robeco Institutional Asset Management reduced its United Microelectronic (UMC) stake by 41% in Q2 2026, selling an estimated $2.16M and leaving 185,209 shares worth $5.04M. The position accounts for 0.01% of the portfolio, ranked #529.

Robeco Institutional Asset Management first reported a position in UMC in Q4 2025 and has held it in 3 quarters since. 178 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Robeco Institutional Asset Management held 185,209 shares of United Microelectronic worth $5.04M as of Q2 2026.
  • Robeco Institutional Asset Management sold 126,323 United Microelectronic shares in Q2 2026, an estimated $2.16M.
  • United Microelectronic made up 0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #529 holding.
  • Robeco Institutional Asset Management first reported a position in United Microelectronic in Q4 2025 and has held it in 3 quarters since.
  • 178 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.