United Microelectronics Corp. (2303)
2303 · Information Technology · 
Taiwan
United Microelectronics Corp. (2303) is a Taiwanese company in the Information Technology sector. The stock has its largest weight in SUSM (MSCI EM SRI), at 3.40%. Anyone who holds an ETF containing United Microelectronics also has an indirect stake in the company.
Data and Charts: United Microelectronics
Key Data for United Microelectronics
Alysly Data Analysis: United Microelectronics
What ETF Is United Microelectronics In?
United Microelectronics has average ETF coverage and is held by 9 of the 104 ETFs we track, which together follow 5 indices. That puts the stock in more ETFs than 57.7% of the 4,341 stocks we track.
| ETF | Index | Weight | per €1,000 in the ETF |
|---|---|---|---|
| SUSM | MSCI EM SRI | 3.40% | €34.00 |
| SPYM | MSCI Emerging Markets | 0.35% | €3.50 |
| XMME / XEMD | MSCI Emerging Markets | 0.35% | €3.48 |
| IS3N | MSCI EM IMI | 0.31% | €3.10 |
| IUSQ | MSCI ACWI | 0.05% | €0.50 |
| SPYY | MSCI ACWI | 0.04% | €0.41 |
| SPYI / SPSA | MSCI ACWI IMI | 0.03% | €0.33 |
The last column shows how much of €1,000 in one of these funds goes to United Microelectronics, based on each fund's latest holdings list.
US-listed ETFs holding United Microelectronics (weight per latest SEC filing): VXUS 0.10%. These funds are registered in the US; retail investors in the EU usually cannot buy them.
United Microelectronics Weight in iShares Core MSCI EM IMI (IS3N) Since 2019
In iShares Core MSCI EM IMI (IS3N), United Microelectronics had a weight of 0.08% on Sep 30, 2019 and 0.31% on Oct 29, 2026. The fund tracks the MSCI EM IMI. Its share peaked at 0.41% on Jun 30, 2026. The weight rises and falls with the stock's price performance relative to the other index members. It can also change when the index provider adjusts the index composition.
What's Inside Your ETF Portfolio and the ETF overlap check show how much United Microelectronics overlaps with the rest of a portfolio.
Stocks With ETF Exposure Similar to United Microelectronics
| Stock | Shared ETFs | r |
|---|---|---|
| United Microelectronics | – | – |
 Delta Electronics | 9 | – |
| Asia Vital Components | 9 | – |
| Samsung SDI Co. Ltd | 9 | – |
| Samsung Electro-Mechanics Co. Ltd | 9 | – |
| Samsung SDS | 9 | – |
| Chunghwa Telecom Co. Ltd | 9 | – |
| Evergreen Marine Corp. (Taiwan) | 9 | – |
| Cathay Financial Holdings | 9 | – |
These stocks reach a portfolio through largely the same funds as United Microelectronics. “Shared ETFs” counts the funds that hold both.
