Dimensional Fund Advisors
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Dimensional Fund Advisors’s United Microelectronic UMC Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$13.3M Buy
1,743,615
+311,498
+22% +$2.38M ﹤0.01% 2156
2025
Q1
$10.2M Buy
1,432,117
+143,604
+11% +$1.03M ﹤0.01% 2245
2024
Q4
$8.36M Buy
1,288,513
+214,783
+20% +$1.39M ﹤0.01% 2369
2024
Q3
$9.04M Buy
1,073,730
+356,349
+50% +$3M ﹤0.01% 2339
2024
Q2
$6.28M Sell
717,381
-2,951
-0.4% -$25.8K ﹤0.01% 2414
2024
Q1
$5.83M Buy
720,332
+65,792
+10% +$532K ﹤0.01% 2511
2023
Q4
$5.54M Sell
654,540
-25,047
-4% -$212K ﹤0.01% 2528
2023
Q3
$4.8M Sell
679,587
-8,959
-1% -$63.3K ﹤0.01% 2542
2023
Q2
$5.43M Buy
688,546
+4,134
+0.6% +$32.6K ﹤0.01% 2494
2023
Q1
$5.99M Buy
684,412
+15,251
+2% +$134K ﹤0.01% 2424
2022
Q4
$4.38K Sell
669,161
-128,047
-16% -$838 ﹤0.01% 2495
2022
Q3
$4.44M Buy
797,208
+196,482
+33% +$1.1M ﹤0.01% 2469
2022
Q2
$4.07M Buy
600,726
+3,797
+0.6% +$25.7K ﹤0.01% 2508
2022
Q1
$5.45M Buy
596,929
+335,240
+128% +$3.06M ﹤0.01% 2511
2021
Q4
$3.06M Buy
261,689
+174,400
+200% +$2.04M ﹤0.01% 2728
2021
Q3
$998K Sell
87,289
-43,487
-33% -$497K ﹤0.01% 3051
2021
Q2
$1.24M Sell
130,776
-3,016
-2% -$28.5K ﹤0.01% 2988
2021
Q1
$1.22M Sell
133,792
-61,751
-32% -$563K ﹤0.01% 2973
2020
Q4
$1.65M Sell
195,543
-106,764
-35% -$900K ﹤0.01% 2860
2020
Q3
$1.45M Sell
302,307
-4,006
-1% -$19.2K ﹤0.01% 2835
2020
Q2
$809K Sell
306,313
-12,107
-4% -$32K ﹤0.01% 2990
2020
Q1
$691K Sell
318,420
-27,590
-8% -$59.9K ﹤0.01% 2988
2019
Q4
$927K Sell
346,010
-110,622
-24% -$296K ﹤0.01% 3023
2019
Q3
$954K Sell
456,632
-10,300
-2% -$21.5K ﹤0.01% 3019
2019
Q2
$1.03M Sell
466,932
-43,101
-8% -$95.3K ﹤0.01% 3039
2019
Q1
$959K Hold
510,033
﹤0.01% 3043
2018
Q4
$913K Sell
510,033
-85,485
-14% -$153K ﹤0.01% 3033
2018
Q3
$1.54M Sell
595,518
-32,240
-5% -$83.2K ﹤0.01% 2980
2018
Q2
$1.77M Buy
627,758
+4,835
+0.8% +$13.6K ﹤0.01% 2914
2018
Q1
$1.61M Buy
622,923
+124,215
+25% +$322K ﹤0.01% 2901
2017
Q4
$1.19M Buy
498,708
+9,700
+2% +$23.2K ﹤0.01% 2954
2017
Q3
$1.22M Buy
489,008
+77,481
+19% +$194K ﹤0.01% 2957
2017
Q2
$1M Sell
411,527
-4,700
-1% -$11.5K ﹤0.01% 2976
2017
Q1
$803K Hold
416,227
﹤0.01% 3016
2016
Q4
$728K Sell
416,227
-65,455
-14% -$114K ﹤0.01% 3034
2016
Q3
$891K Sell
481,682
-19,482
-4% -$36K ﹤0.01% 2962
2016
Q2
$998K Sell
501,164
-169,527
-25% -$338K ﹤0.01% 2922
2016
Q1
$1.4M Sell
670,691
-35,669
-5% -$74.2K ﹤0.01% 2852
2015
Q4
$1.33M Hold
706,360
﹤0.01% 2901
2015
Q3
$1.15M Hold
706,360
﹤0.01% 2965
2015
Q2
$1.45M Buy
706,360
+220,593
+45% +$452K ﹤0.01% 2933
2015
Q1
$1.19M Sell
485,767
-5
-0% -$12 ﹤0.01% 2950
2014
Q4
$1.1M Buy
485,772
+137,583
+40% +$312K ﹤0.01% 2987
2014
Q3
$693K Sell
348,189
-17,900
-5% -$35.6K ﹤0.01% 3089
2014
Q2
$882K Hold
366,089
﹤0.01% 3065
2014
Q1
$761K Buy
366,089
+6,219
+2% +$12.9K ﹤0.01% 3099
2013
Q4
$734K Buy
359,870
+154,709
+75% +$316K ﹤0.01% 3092
2013
Q3
$422K Buy
205,161
+1,155
+0.6% +$2.38K ﹤0.01% 3213
2013
Q2
$476K Buy
+204,006
New +$476K ﹤0.01% 3191