LMR Partners’s United Microelectronic UMC Stock Holding History

LMR Partners’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	$6.95M	Buy	+255,600	New	+$4.37M	0.03%	544
2025 Q2	–	Sell	-1,000,000	Closed	-$7.15M	–	1653
2025 Q1	$7.15M	Buy	+1,000,000	New	+$6.37M	0.07%	317
2023 Q4	–	Sell	-28,000	Closed	-$198K	–	1138
2023 Q3	$198K	Buy	+28,000	New	+$203K	﹤0.01%	641
2020 Q4	–	Sell	-4,945,548	Closed	-$24.3M	–	639
2020 Q3	$24.3M	Sell	4,945,548 -4,106,870	-45%	-$15.2M	0.5%	26
2020 Q2	$24.3M	Sell	9,052,418 -1,985,006	-18%	-$4.99M	0.61%	29
2020 Q1	$25.5M	Sell	11,037,424 -5,461,069	-33%	-$13.8M	1.19%	26
2019 Q4	$45.2M	Sell	16,498,493 -1,591,705	-9%	-$3.84M	0.07%	37
2019 Q3	$39M	Buy	18,090,198 +481,236	+3%	+$1.03M	1.93%	13
2019 Q2	$39.6M	Sell	17,608,962 -214,503	-1%	-$438K	1.44%	15
2019 Q1	$33.7M	Buy	17,823,465 +1,525,490	+9%	+$2.81M	1.72%	10
2018 Q4	$30M	Buy	16,297,975 +10,789,991	+196%	+$20.7M	1.47%	14
2018 Q3	$14.6M	Buy	+5,507,984	New	+$15M	0.93%	27

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

LMR Partners's UMC Position: Q2 2026 in Review

LMR Partners opened a new position in United Microelectronic (UMC) in Q2 2026: 255,600 shares worth $6.95M. The stake represents 0.03% of the portfolio and ranks #544 among its holdings. This is a return to the name: LMR Partners previously reported a position in UMC as recently as Q1 2025.

LMR Partners first reported a position in UMC in Q3 2018 and has held it in 12 quarters since. The position peaked at $45.2M in Q4 2019. 362 funds tracked by Wall St. Rank hold UMC as of Q2 2026.

LMR Partners held 255,600 shares of United Microelectronic worth $6.95M as of Q2 2026.
United Microelectronic was a new LMR Partners position in Q2 2026.
United Microelectronic made up 0.03% of LMR Partners's portfolio in Q2 2026, its #544 holding.
LMR Partners first reported a position in United Microelectronic in Q3 2018 and has held it in 12 quarters since.
LMR Partners's United Microelectronic position peaked at $45.2M in Q4 2019.
362 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.