O'SHAUGHNESSY ASSET MANAGEMENT, LLC
Position in UMC — United Microelectronics Corp
CIK 1423442
Stamford, CT
Position in UMC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$3,831,236
+$819,960 QoQ
Shares Held
426,641
+11.4% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $1,560,219,862 across 33 Semiconductors names. UMC ranks #15 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
4,707,545 | $820,995,848 | |
| 2 | AVGO |
Broadcom Inc.
|
978,167 | $302,752,468 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
409,370 | $138,346,591 | |
| 4 | MU |
Micron Technology Inc
|
219,555 | $74,174,461 | |
| 5 | AMD |
Advanced Micro Devices Inc
|
266,231 | $54,159,372 | |
| 6 | ADI |
Analog Devices Inc
|
103,553 | $32,944,351 | |
| 7 | TXN |
Texas Instruments Inc
|
153,969 | $29,891,541 | |
| 8 | INTC |
Intel Corp
|
541,705 | $23,905,441 |
All Filings in UMC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,831,236 | 426,641 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,011,276 | 383,114 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $2,799,369 | 369,310 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $2,949,312 | 385,531 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $2,204,688 | 308,348 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $1,913,316 | 294,810 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $3,076,263 | 365,352 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $3,147,748 | 359,332 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,860,834 | 353,626 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $2,877,398 | 340,118 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $2,307,031 | 326,775 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $2,496,822 | 316,454 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $2,809,174 | 320,682 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,249,931 | 344,553 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $1,772,374 | 318,200 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,386,106 | 352,453 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $3,912,525 | 429,005 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $6,555,135 | 560,268 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $7,831,515 | 685,172 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $8,002,694 | 846,846 | Shares | Sole | 2021-08-09 | |
| 2021-03-31 | $7,471,830 | 820,179 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $6,392,991 | 758,362 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $3,162,161 | 660,159 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $1,037,549 | 393,011 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $239,353 | 110,301 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||