ABC Arbitrage’s United Microelectronic UMC Stock Holding History

ABC Arbitrage’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	–	Sell	-19,658	Closed	-$177K	–	493
2026 Q1	$177K	Buy	+19,658	New	+$192K	0.02%	320

Other funds holding UMC

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

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

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

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Rafferty Asset Management New York $43.9B AUM 121.74% 1-Year Est. Return

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

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

ABC Arbitrage's UMC Position: Q2 2026 in Review

ABC Arbitrage sold out of United Microelectronic (UMC) in Q2 2026, closing a stake of 19,658 shares — an estimated $177K sold.

ABC Arbitrage first reported a position in UMC in Q1 2026 and held it in 1 quarter. The position peaked at $177K in Q1 2026. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

ABC Arbitrage reported no remaining United Microelectronic position as of Q2 2026 after selling out during the quarter.
ABC Arbitrage sold 19,658 United Microelectronic shares in Q2 2026, an estimated $177K.
ABC Arbitrage first reported a position in United Microelectronic in Q1 2026 and held it in 1 quarter.
ABC Arbitrage's United Microelectronic position peaked at $177K in Q1 2026.
362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on ABC Arbitrage's 13F filing for Q2 2026, filed 20 Jul 2026.