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
Q2 | $6.29M | Buy |
231,006
+133,779
| +138% | +$2.29M | ﹤0.01% | 1408 |
|
|
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: Q2 2026 in Review
Wellington Management Group increased its United Microelectronic (UMC) stake by 138% in Q2 2026, buying an estimated $2.29M and bringing the position to 231,006 shares worth $6.29M. The position accounts for ﹤0.01% of the portfolio, ranked #1408.
Wellington Management Group first reported a position in UMC in Q2 2013 and has held it in 36 quarters since. 364 funds tracked by Wall St. Rank hold UMC as of Q2 2026.
- Wellington Management Group held 231,006 shares of United Microelectronic worth $6.29M as of Q2 2026.
- Wellington Management Group bought 133,779 United Microelectronic shares in Q2 2026, an estimated $2.29M.
- United Microelectronic made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1408 holding.
- Wellington Management Group first reported a position in United Microelectronic in Q2 2013 and has held it in 36 quarters since.
- 364 funds tracked by Wall St. Rank held United Microelectronic as of Q2 2026.
Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.