UBS Group’s United Microelectronic UMC Stock Holding History

UBS Group’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	-139,500	Closed	-$1.25M	–	11068
2026 Q1	$1.25M	Sell	139,500 -255,000	-65%	-$2.49M	﹤0.01%	5369
2025 Q4	$3.1M	Buy	394,500 +54,400	+16%	+$413K	﹤0.01%	4532
2025 Q3	$2.58M	Buy	+340,100	New	+$2.41M	﹤0.01%	4710
2023 Q1	–	Sell	-1,250,000	Closed	-$8.16M	–	10405
2022 Q4	$8.16M	Hold	1,250,000	–	–	﹤0.01%	2078
2022 Q3	$6.96M	Buy	1,250,000 +422,900	+51%	+$2.79M	﹤0.01%	2078
2022 Q2	$5.6M	Buy	+827,100	New	+$6.79M	﹤0.01%	2280
2022 Q1	–	Sell	-200,000	Closed	-$2.34M	–	10930
2021 Q4	$2.34M	Sell	200,000 -250,000	-56%	-$2.78M	﹤0.01%	3588
2021 Q3	$5.14M	Sell	450,000 -300,000	-40%	-$3.22M	﹤0.01%	2639
2021 Q2	$7.09M	Buy	750,000 +200,000	+36%	+$1.87M	﹤0.01%	2337
2021 Q1	$5.01M	Buy	+550,000	New	+$5.09M	﹤0.01%	2589

Other funds holding UMC

BlackRock New York $6.73T AUM 46.02% 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

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

UBS Group's UMC Position: Q2 2026 in Review

UBS Group increased its United Microelectronic (UMC) stake by 42% in Q2 2026, buying an estimated $59.1M and bringing the position to 11,632,967 shares worth $317M. The position accounts for 0.04% of the portfolio, ranked #447.

UBS Group first reported a position in UMC in Q4 2014 and has held it in 47 quarters since. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

UBS Group held 11,632,967 shares of United Microelectronic worth $317M as of Q2 2026.
UBS Group bought 3,457,823 United Microelectronic shares in Q2 2026, an estimated $59.1M.
United Microelectronic made up 0.04% of UBS Group's portfolio in Q2 2026, its #447 holding.
UBS Group first reported a position in United Microelectronic in Q4 2014 and has held it in 47 quarters since.
362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.