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	$4.91M	Sell	180,500 -19,500	-10%	-$333K	﹤0.01%	4180
2026 Q1	$1.8M	Buy	+200,000	New	+$1.95M	﹤0.01%	5073
2025 Q4	–	Sell	-50,000	Closed	-$379K	–	11189
2025 Q3	$379K	Hold	50,000	–	–	﹤0.01%	6287
2025 Q2	$383K	Buy	+50,000	New	+$371K	﹤0.01%	6236
2024 Q4	–	Sell	-450,000	Closed	-$3.79M	–	10417
2024 Q3	$3.79M	Hold	450,000	–	–	﹤0.01%	3364
2024 Q2	$3.94M	Hold	450,000	–	–	﹤0.01%	3095
2024 Q1	$3.64M	Buy	+450,000	New	+$3.58M	﹤0.01%	3314
2023 Q2	–	Sell	-750,000	Closed	-$6.57M	–	9684
2023 Q1	$6.57M	Hold	750,000	–	–	﹤0.01%	2257
2022 Q4	$4.9M	Sell	750,000 -250,000	-25%	-$1.66M	﹤0.01%	2521
2022 Q3	$5.57M	Buy	+1,000,000	New	+$6.6M	﹤0.01%	2259

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.