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Ridgewood Investments’s United Microelectronic UMC Stock Holding History

Ridgewood Investments’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 		$1.34M Sell
49,192
-1,500
-3% -$25.6K 0.5% 61
2026
Q1 		$455K Buy
+50,692
New +$494K 0.19% 144
2025
Q3 		$414K Buy
+54,667
New +$388K 0.17% 146

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

Ridgewood Investments's UMC Position: Q2 2026 in Review

Ridgewood Investments reduced its United Microelectronic (UMC) stake by 3% in Q2 2026, selling an estimated $25.6K and leaving 49,192 shares worth $1.34M. The position accounts for 0.5% of the portfolio, ranked #61.

Ridgewood Investments first reported a position in UMC in Q3 2025 and has held it in 3 quarters since. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Ridgewood Investments held 49,192 shares of United Microelectronic worth $1.34M as of Q2 2026.
  • Ridgewood Investments sold 1,500 United Microelectronic shares in Q2 2026, an estimated $25.6K.
  • United Microelectronic made up 0.5% of Ridgewood Investments's portfolio in Q2 2026, its #61 holding.
  • Ridgewood Investments first reported a position in United Microelectronic in Q3 2025 and has held it in 3 quarters since.
  • 362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Ridgewood Investments's 13F filing for Q2 2026, filed 3 Aug 2026.