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Callan Family Office’s United Microelectronic UMC Stock Holding History

Callan Family Office’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 		$3.64M Sell
133,907
-13,637
-9% -$233K 0.07% 247
2026
Q1 		$1.32M Buy
147,544
+74,725
+103% +$729K 0.03% 482
2025
Q4 		$572K Buy
72,819
+35,353
+94% +$268K 0.01% 740
2025
Q3 		$284K Sell
37,466
-17,288
-32% -$123K 0.01% 729
2025
Q2 		$419K Buy
54,754
+43,950
+407% +$326K 0.01% 657
2025
Q1 		$77.2K Hold
10,804
– – 0.01% 535
2024
Q4 		$70.1K Buy
+10,804
New +$77.3K ﹤0.01% 620

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

Callan Family Office's UMC Position: Q2 2026 in Review

Callan Family Office reduced its United Microelectronic (UMC) stake by 9.2% in Q2 2026, selling an estimated $233K and leaving 133,907 shares worth $3.64M. The position accounts for 0.07% of the portfolio, ranked #247.

Callan Family Office first reported a position in UMC in Q4 2024 and has held it in 7 quarters since. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

  • Callan Family Office held 133,907 shares of United Microelectronic worth $3.64M as of Q2 2026.
  • Callan Family Office sold 13,637 United Microelectronic shares in Q2 2026, an estimated $233K.
  • United Microelectronic made up 0.07% of Callan Family Office's portfolio in Q2 2026, its #247 holding.
  • Callan Family Office first reported a position in United Microelectronic in Q4 2024 and has held it in 7 quarters since.
  • 362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.