Vanguard Personalized Indexing Management, LLC
Position in UMC — United Microelectronics Corp
CIK 1767306
OAKLAND, CA
Position in UMC
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$11,821,330
+$8,064,817 QoQ
Shares Held
434,448
+3.9% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#42
of 363 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 76%
Shared 0%
None 24%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026Vanguard Personalized Indexing Management, LLC holds $1,846,682,222 across 46 Semiconductors names. UMC ranks #13 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
3,838,871 | $768,119,698 | |
| 2 | AVGO |
Broadcom Inc.
|
834,264 | $315,143,226 | |
| 3 | MU |
Micron Technology Inc
|
180,196 | $207,998,440 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
254,343 | $147,750,392 | |
| 5 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
159,102 | $75,982,342 | |
| 6 | INTC |
Intel Corp
|
538,159 | $75,143,141 | |
| 7 | TXN |
Texas Instruments Inc
|
144,337 | $43,022,529 | |
| 8 | ADI |
Analog Devices Inc
|
81,383 | $32,322,886 |
All Filings in UMC
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,821,330 | 434,448 | Shares | Sole | 2026-08-11 | |
| 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. | ||||||