UNITED MICROELECTRONICS CORP (UMC) Stock
UMC has an Alpha Score of 54 out of 100 (weak), computed on Apr 15, 2026 from 3 of 4 sub-scores. 5 of the hedge funds AlphaScala tracks reported UMC in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Millennium Management's at $13.76M. Company insiders reported 0 open-market buys and 3 sales on SEC Form 4 in the 90 days to Oct 21, 2026. Its trailing P/E ratio is 19.1 and its net margin 33.3% (key statistics as of Oct 22, 2026).
What is UMC's Alpha Score?
How it works →Alpha Score of 54 reflects moderate overall profile with moderate momentum, moderate value, weak quality. Based on 3 of 4 signals — score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Apr 15, 2026 · 189 days ago; due for a rescore
A rules-based research rating, not a recommendation to buy or sell.
Which hedge funds own UMC?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Millennium Management Israel Englander | 506K | $13.76M | -71% |
| Citadel Ken Griffin | 210K | $5.72M | -73% |
| D.E. Shaw David Shaw | 196K | $5.34M | -90% |
| Marshall Wace | 140K | $3.80M | -32% |
| Maverick Capital Lee Ainslie | 29K | $782.5K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are UNITED MICROELECTRONICS CORP insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 22, 26 | Lin Jen-Tsung | Vice President | SELL | 10.0K | $1.6M |
| Sep 17, 26 | Liu Chitung | CFO & SVP | SELL | 400.0K | $58.0M |
| Sep 16, 26 | Liu Chitung | CFO & SVP | SELL | 1.20M | $170.8M |
SEC Form 4 filings as of Oct 21, 2026
See cluster-buy signals across all tickers →What are UMC's key statistics?
Key statistics as of Oct 22, 2026
How does UMC's valuation compare with the Technology sector?
| Metric | UMC | Technology median | Companies in median |
|---|---|---|---|
| P/E ratio | 19.1 | 34.3 | 139 |
| Net margin | 33.29% | 13.92% | 153 |
| Return on equity | 20.98% | 16.22% | 155 |
| Dividend yield (payers) | 7.20% | 1.45% | 63 |
Medians over the Technology stocks whose key statistics were refreshed in the last 35 days (newest Oct 22, 2026). P/E excludes loss-making companies.
UMC price chart
Powered by TradingViewWhat does UNITED MICROELECTRONICS CORP do?
United Microelectronics Corp. Sponsored ADR represents shares of United Microelectronics Corporation, a major player in the semiconductor foundry industry, listed on U.S. exchanges. As an American Depositary Receipt (ADR), it allows U.S. investors to hold shares in this Taiwan-based company without having to deal with foreign market complexities directly. United Microelectronics Corporation specializes in providing integrated circuit (IC) manufacturing services, supporting various industry sectors including automotive, consumer electronics, and telecommunications. The ADR facilitates increased accessibility and liquidity for United Microelectronics' shares in the global market, simultaneously broadening the investor base and enhancing capital flow across borders. The role of United Microelectronics Corp. in the semiconductor supply chain highlights its importance in the technology sector, especially amid growing demand for electronic components worldwide.