# UNITED MICROELECTRONICS CORP (UMC) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 910873405
Page URL: https://superinvestorclub.com/stock/UMC
Last updated: 2026-08-29T13:48:49.632Z

## Summary

As of the most recent 13F filing period, UNITED MICROELECTRONICS CORP (UMC) is held by 1 tracked superinvestors with an aggregate position value of $782,532 representing 028759 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 28759 | $782,532 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2026-03-31: 1 holders, $1.2M aggregate, 0134029 shares
- 2026-06-30: 1 holders, $782,532 aggregate, 028759 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "UNITED MICROELECTRONICS CORP (UMC) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/UMC), aggregating SEC 13F, Form 4, and congressional disclosures."