Bayban’s United Microelectronic UMC Stock Holding History

Bayban’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	-100	Closed	-$786	–	725
2025 Q4	$786	Buy	+100	New	+$759	﹤0.01%	581

Other funds holding UMC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

Bayban's UMC Position: Q1 2026 in Review

Bayban sold out of United Microelectronic (UMC) in Q1 2026, closing a stake of 100 shares — an estimated $786 sold.

Bayban first reported a position in UMC in Q4 2025 and held it in 1 quarter. The position peaked at $786 in Q4 2025. 318 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

Bayban reported no remaining United Microelectronic position as of Q1 2026 after selling out during the quarter.
Bayban sold 100 United Microelectronic shares in Q1 2026, an estimated $786.
Bayban first reported a position in United Microelectronic in Q4 2025 and held it in 1 quarter.
Bayban's United Microelectronic position peaked at $786 in Q4 2025.
318 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Bayban's 13F filing for Q1 2026, filed 24 Apr 2026.