Vanguard Personalized Indexing Management, LLC
Position in UMC — United Microelectronics Corp
CIK 1767306
OAKLAND, CA
Position in UMC
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$3,756,513
+$515,207 QoQ
Shares Held
418,320
+1.4% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 75.00215146299483.ToString("F0")%
Shared 0.ToString("F0")%
None 24.99784853700516.ToString("F0")%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026Vanguard Personalized Indexing Management, LLC holds $1,205,876,919 across 44 Semiconductors names. UMC ranks #15 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
3,744,688 | $653,073,587 | |
| 2 | AVGO |
Broadcom Inc.
|
806,796 | $249,711,429 | |
| 3 | MU |
Micron Technology Inc
|
163,827 | $55,347,313 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
231,343 | $47,062,106 | |
| 5 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
132,355 | $44,729,372 | |
| 6 | ADI |
Analog Devices Inc
|
74,768 | $23,786,691 | |
| 7 | TXN |
Texas Instruments Inc
|
117,349 | $22,782,134 | |
| 8 | INTC |
Intel Corp
|
450,425 | $19,877,255 |
All Filings in UMC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,756,513 | 418,320 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,241,306 | 412,380 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,526,800 | 333,351 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $2,797,666 | 365,708 | Shares | Sole | 2025-07-25 | |
| 2025-03-31 | $1,983,917 | 277,471 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,529,550 | 235,678 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $2,510,810 | 298,196 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,641,788 | 301,574 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,161,186 | 267,143 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,990,451 | 235,278 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $1,609,369 | 227,956 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,539,252 | 195,089 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $1,614,222 | 184,272 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $1,147,242 | 175,688 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $540,902 | 97,110 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $620,118 | 91,598 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $654,095 | 71,721 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $766,677 | 65,528 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $705,013 | 61,681 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $496,909 | 52,583 | Shares | Sole | 2021-08-11 | |
| 2021-03-31 | $988,316 | 108,487 | Shares | Sole | 2021-04-28 | |
| 2020-12-31 | $964,897 | 114,460 | Shares | Sole | 2021-01-20 | |
| 2020-09-30 | $541,533 | 113,055 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $273,828 | 103,723 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $237,890 | 109,627 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||