Millennium Management’s United Microelectronic UMC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$753K Sell
83,900
-500
-0.6% -$4.88K ﹤0.01% 4568
2025
Q4
$663K Hold
84,400
﹤0.01% 4762
2025
Q3
$640K Buy
+84,400
New +$599K ﹤0.01% 4925
2024
Q1
Sell
-15,000
Closed -$127K 6679
2023
Q4
$127K Hold
15,000
﹤0.01% 5282
2023
Q3
$106K Hold
15,000
﹤0.01% 5318
2023
Q2
$118K Sell
15,000
-1,700,000
-99% -$14M ﹤0.01% 5286
2023
Q1
$15M Buy
1,715,000
+15,000
+0.9% +$122K 0.01% 1584
2022
Q4
$11.1M Sell
1,700,000
-700,000
-29% -$4.64M 0.01% 2023
2022
Q3
$13.4M Buy
2,400,000
+1,700,000
+243% +$11.2M 0.01% 1796
2022
Q2
$4.74M Sell
700,000
-75,000
-10% -$615K ﹤0.01% 2862
2022
Q1
$7.07M Sell
775,000
-2,225,000
-74% -$22M ﹤0.01% 2561
2021
Q4
$35.1M Buy
+3,000,000
New +$33.4M 0.02% 968

Other funds holding UMC

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.