United Microelectronics Corporation - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US9108734057

SecurityUMC / United Microelectronics Corporation - Depositary Receipt (Common Stock)
InstitutionDiversified Trust Co
Latest Disclosed Ownership13,317 shares
Latest Disclosed Value $ 119,586
Diversified Trust Co reports 10.23% decrease in ownership of UMC / United Microelectronics Corporation - Depositary Receipt (Common Stock)

On April 16, 2026 - Diversified Trust Co filed a 13F-HR form disclosing ownership of 13,317 shares of United Microelectronics Corporation - Depositary Receipt (Common Stock) (US:UMC) valued at $119,587 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 9, 2026 disclosing 14,835 shares of United Microelectronics Corporation - Depositary Receipt (Common Stock). This represents a change in shares of -10.23% during the quarter. The current value of the position is $285,250 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-16 2026-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 13,317 -1,518 -10.23 120 2.59 0.0015
2026-01-09 2025-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 14,835 157 1.07 117 4.50 0.0021
2025-10-20 2025-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 14,678 14,678 111 0.0022
2025-04-24 2025-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 0 -10,228 -100.00 0 -100.00
2025-01-07 2024-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 10,228 -2,539 -19.89 66 -38.32 0.0016
2024-10-07 2024-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 12,767 -119 -0.92 107 -4.46 0.0027
2024-07-16 2024-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 12,886 12,886 113 0.0032
2022-07-12 2022-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 0 -54,964 -100.00 0 -100.00
2022-04-07 2022-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 54,964 -164,417 -74.95 501 -80.48 0.0175
2022-01-13 2021-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 219,381 21,096 10.64 2,567 13.28 0.0845
2022-01-13 2021-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 198,285 4,040 2.08 2,266 23.42 0.0815
2021-07-20 2021-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 194,245 0 0.00 1,836 3.73 0.0662
2021-05-10 2021-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 194,245 2,376 1.24 1,770 9.46 0.0682
2021-01-08 2020-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 1,617 75.95 0.0656
2020-10-15 2020-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 919 81.26 0.0424
2020-07-07 2020-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 507 21.88 0.0256
2020-04-10 2020-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 416 -19.07 0.0243
2020-01-09 2019-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 514 28.18 0.0230
2019-10-09 2019-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 401 -5.42 0.0188
2019-07-12 2019-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 424 17.45 0.0202
2019-05-22 2019-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 361 5.25 0.0176
2019-01-18 2018-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 343 -30.71 0.0192
2018-11-26 2018-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 495 -8.50 0.0247
2018-07-23 2018-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 541 8.85 0.0344
2018-06-01 2018-03-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 497 8.28 0.0317
2018-01-19 2017-12-31 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 459 -4.37 0.0281
2017-10-17 2017-09-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 0 0.00 480 2.56 0.0367
2017-07-18 2017-06-30 13F UNITED MICROELECTRONICS SPON ADR NEW 910873405 191,869 191,869 468 0.0380
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.