Millennium Management’s United Microelectronic UMC Stock Holding History

Millennium Management’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	-37,200	Closed	-$292K	–	6416
2025 Q4	$292K	Buy	+37,200	New	+$282K	﹤0.01%	5278
2025 Q2	–	Sell	-20,000	Closed	-$143K	–	6339
2025 Q1	$143K	Buy	+20,000	New	+$127K	﹤0.01%	5374
2024 Q1	–	Sell	-2,732,700	Closed	-$23.1M	–	6678
2023 Q4	$23.1M	Buy	2,732,700 +50,200	+2%	+$383K	0.01%	1420
2023 Q3	$18.9M	Hold	2,682,500	–	–	0.01%	1481
2023 Q2	$21.2M	Buy	2,682,500 +30,000	+1%	+$247K	0.01%	1336
2023 Q1	$23.2M	Buy	2,652,500 +65,000	+3%	+$527K	0.01%	1230
2022 Q4	$16.9M	Buy	2,587,500 +387,500	+18%	+$2.57M	0.01%	1601
2022 Q3	$12.3M	Buy	2,200,000 +1,500,000	+214%	+$9.9M	0.01%	1892
2022 Q2	$4.74M	Hold	700,000	–	–	﹤0.01%	2861
2022 Q1	$6.38M	Buy	+700,000	New	+$6.94M	﹤0.01%	2665
2021 Q3	–	Sell	-500,000	Closed	-$4.72M	–	7270
2021 Q2	$4.72M	Hold	500,000	–	–	﹤0.01%	2836
2021 Q1	$4.55M	Buy	+500,000	New	+$4.62M	﹤0.01%	2677

Other funds holding UMC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Millennium Management's UMC Position: Q1 2026 in Review

Millennium Management increased its United Microelectronic (UMC) stake by 155% in Q1 2026, buying an estimated $10.5M and bringing the position to 1,770,129 shares worth $15.9M. The position accounts for 0.01% of the portfolio, ranked #1733.

Millennium Management first reported a position in UMC in Q4 2013 and has held it in 45 quarters since. The position peaked at $93M in Q4 2024. 316 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

Millennium Management held 1,770,129 shares of United Microelectronic worth $15.9M as of Q1 2026.
Millennium Management bought 1,074,730 United Microelectronic shares in Q1 2026, an estimated $10.5M.
United Microelectronic made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1733 holding.
Millennium Management first reported a position in United Microelectronic in Q4 2013 and has held it in 45 quarters since.
Millennium Management's United Microelectronic position peaked at $93M in Q4 2024.
316 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.