Wellington Management Group’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
$873K Buy
+97,227
New +$948K ﹤0.01% 1697
2025
Q1
Sell
-58,333
Closed -$379K 2053
2024
Q4
$379K Buy
+58,333
New +$418K ﹤0.01% 1859
2023
Q1
Sell
-66,930
Closed -$437K 2107
2022
Q4
$437K Sell
66,930
-121,804
-65% -$807K ﹤0.01% 1826
2022
Q3
$1.05M Buy
188,734
+15,592
+9% +$103K ﹤0.01% 1642
2022
Q2
$1.17M Hold
173,142
﹤0.01% 1650
2022
Q1
$1.58M Hold
173,142
﹤0.01% 1646
2021
Q4
$2.02M Sell
173,142
-57,446
-25% -$639K ﹤0.01% 1666
2021
Q3
$2.64M Sell
230,588
-29,624
-11% -$318K ﹤0.01% 1644
2021
Q2
$2.46M Sell
260,212
-72,521
-22% -$680K ﹤0.01% 1638
2021
Q1
$3.03M Hold
332,733
﹤0.01% 1538
2020
Q4
$2.81M Sell
332,733
-265,176
-44% -$1.73M ﹤0.01% 1420
2020
Q3
$2.86M Sell
597,909
-330,059
-36% -$1.23M ﹤0.01% 1362
2020
Q2
$2.45M Buy
927,968
+450,110
+94% +$1.13M ﹤0.01% 1324
2020
Q1
$1.04M Buy
477,858
+275,408
+136% +$695K ﹤0.01% 1523
2019
Q4
$543K Buy
202,450
+1,206
+0.6% +$2.91K ﹤0.01% 1843
2019
Q3
$421K Hold
201,244
﹤0.01% 1901
2019
Q2
$445K Buy
201,244
+74,334
+59% +$152K ﹤0.01% 1925
2019
Q1
$238K Sell
126,910
-350,546
-73% -$646K ﹤0.01% 1990
2018
Q4
$854K Buy
477,456
+177,471
+59% +$341K ﹤0.01% 1828
2018
Q3
$774K Buy
299,985
+28,493
+10% +$77.8K ﹤0.01% 1941
2018
Q2
$766K Buy
+271,492
New +$741K ﹤0.01% 1950
2017
Q3
Sell
-67,267
Closed -$164K 2287
2017
Q2
$164K Hold
67,267
﹤0.01% 2177
2017
Q1
$130K Buy
+67,267
New +$128K ﹤0.01% 2219
2016
Q2
Sell
-1,786,000
Closed -$3.71M 2181
2016
Q1
$3.71M Hold
1,786,000
﹤0.01% 1427
2015
Q4
$3.36M Hold
1,786,000
﹤0.01% 1489
2015
Q3
$2.89M Hold
1,786,000
﹤0.01% 1521
2015
Q2
$3.66M Hold
1,786,000
﹤0.01% 1493
2015
Q1
$4.36M Hold
1,786,000
﹤0.01% 1491
2014
Q4
$4.05M Hold
1,786,000
﹤0.01% 1499
2014
Q3
$3.55M Hold
1,786,000
﹤0.01% 1536
2014
Q2
$4.3M Sell
1,786,000
-450,400
-20% -$1M ﹤0.01% 1495
2014
Q1
$4.65M Sell
2,236,400
-293,100
-12% -$597K ﹤0.01% 1484
2013
Q4
$5.16M Hold
2,529,500
﹤0.01% 1453
2013
Q3
$5.21M Hold
2,529,500
﹤0.01% 1429
2013
Q2
$5.89M Buy
+2,529,500
New +$5.14M ﹤0.01% 1380

Other funds holding UMC

Wellington Management Group's UMC Position: Q1 2026 in Review

Wellington Management Group opened a new position in United Microelectronic (UMC) in Q1 2026: 97,227 shares worth $873K. The stake represents ﹤0.01% of the portfolio and ranks #1697 among its holdings. This is a return to the name: Wellington Management Group previously reported a position in UMC as recently as Q4 2024.

Wellington Management Group first reported a position in UMC in Q2 2013 and has held it in 35 quarters since. The position peaked at $5.89M in Q2 2013. 318 funds tracked by Wall St. Rank hold UMC as of Q1 2026.

  • Wellington Management Group held 97,227 shares of United Microelectronic worth $873K as of Q1 2026.
  • United Microelectronic was a new Wellington Management Group position in Q1 2026.
  • United Microelectronic made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1697 holding.
  • Wellington Management Group first reported a position in United Microelectronic in Q2 2013 and has held it in 35 quarters since.
  • Wellington Management Group's United Microelectronic position peaked at $5.89M in Q2 2013.
  • 318 funds tracked by Wall St. Rank held United Microelectronic as of Q1 2026.

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