BlackRock’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
$247M Buy
27,495,880
+512,365
+2% +$5M ﹤0.01% 1543
2025
Q4
$212M Buy
26,983,515
+2,842,754
+12% +$21.6M ﹤0.01% 1651
2025
Q3
$183M Sell
24,140,761
-176,299
-0.7% -$1.25M ﹤0.01% 1714
2025
Q2
$186M Buy
24,317,060
+1,519,805
+7% +$11.3M ﹤0.01% 1660
2025
Q1
$163M Sell
22,797,255
-817,786
-3% -$5.21M ﹤0.01% 1710
2024
Q4
$153M Buy
23,615,041
+657,234
+3% +$4.71M ﹤0.01% 1813
2024
Q3
$193M Sell
22,957,807
-149,806
-0.6% -$1.25M ﹤0.01% 1682
2024
Q2
$202M Buy
23,107,613
+980,055
+4% +$8.08M ﹤0.01% 1613
2024
Q1
$179M Buy
22,127,558
+479,817
+2% +$3.82M ﹤0.01% 1714
2023
Q4
$183M Buy
21,647,741
+1,006,639
+5% +$7.67M ﹤0.01% 1705
2023
Q3
$146M Buy
20,641,102
+172,675
+0.8% +$1.25M ﹤0.01% 1753
2023
Q2
$161M Sell
20,468,427
-69,097
-0.3% -$569K ﹤0.01% 1731
2023
Q1
$180M Buy
20,537,524
+478,742
+2% +$3.88M 0.01% 1616
2022
Q4
$131M Sell
20,058,782
-1,749,162
-8% -$11.6M ﹤0.01% 1833
2022
Q3
$121M Buy
21,807,944
+44,446
+0.2% +$293K ﹤0.01% 1842
2022
Q2
$147M Buy
21,763,498
+5,426,537
+33% +$44.5M ﹤0.01% 1763
2022
Q1
$149M Sell
16,336,961
-1,312,147
-7% -$13M ﹤0.01% 1873
2021
Q4
$206M Buy
17,649,108
+2,701,529
+18% +$30.1M 0.01% 1715
2021
Q3
$171M Buy
14,947,579
+2,418,867
+19% +$26M ﹤0.01% 1837
2021
Q2
$118M Buy
12,528,712
+5,168,856
+70% +$48.4M ﹤0.01% 2153
2021
Q1
$67M Buy
7,359,856
+7,359,430
+1,727,566% +$68.1M ﹤0.01% 2429
2020
Q4
$3K Sell
426
-1,813,243
-100% -$11.8M ﹤0.01% 4963
2020
Q3
$8.69M Sell
1,813,669
-1,101,782
-38% -$4.09M ﹤0.01% 3301
2020
Q2
$7.7M Buy
2,915,451
+293,219
+11% +$737K ﹤0.01% 3337
2020
Q1
$5.69M Sell
2,622,232
-258,882
-9% -$653K ﹤0.01% 3299
2019
Q4
$7.72M Buy
2,881,114
+590,640
+26% +$1.43M ﹤0.01% 3367
2019
Q3
$4.79M Buy
2,290,474
+1,244,082
+119% +$2.65M ﹤0.01% 3492
2019
Q2
$2.31M Sell
1,046,392
-425,543
-29% -$870K ﹤0.01% 3729
2019
Q1
$2.77M Buy
1,471,935
+819,082
+125% +$1.51M ﹤0.01% 3595
2018
Q4
$1.17M Sell
652,853
-27,550
-4% -$52.9K ﹤0.01% 3830
2018
Q3
$1.75M Buy
+680,403
New +$1.86M ﹤0.01% 3820
2018
Q1
Sell
-16,153
Closed -$38K 5021
2017
Q4
$38K Sell
16,153
-21,110
-57% -$53.8K ﹤0.01% 4477
2017
Q3
$93K Sell
37,263
-4,040
-10% -$9.89K ﹤0.01% 4368
2017
Q2
$101K Sell
41,303
-183
-0.4% -$368 ﹤0.01% 4396
2017
Q1
$80K Buy
+41,486
New +$78.8K ﹤0.01% 4376
2015
Q3
Sell
-336,660
Closed -$690K 3258
2015
Q2
$690K Sell
336,660
-58,293
-15% -$131K ﹤0.01% 1470
2015
Q1
$964K Buy
+394,953
New +$964K ﹤0.01% 1354

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