United Microelectronics Corporation
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Range $10.2 – $10.2
Price Chart
About the company
United Microelectronics Corporation (UMC) operates as a specialized semiconductor wafer foundry, extending its services globally with operations across Taiwan, Singapore, China, Hong Kong, Japan, the United States, and Europe. The company offers a comprehensive range of solutions, from initial circuit blueprinting and mask generation to wafer manufacturing, final assembly, and rigorous testing. UMC's customer base consists of both integrated device manufacturers and companies focused solely on chip design.
- CEO
- Jason S. Wang
- IPO
- 2000
- Employees
- 20,000
- HQ
- Hsinchu City, TP, TW
AI snapshot
Six angles, distilled from the data.
The stock remains in a strong multi-month uptrend, trading well above its 200-day average of 14.96 and 50-day average of 20.42. It is still below the 52-week high of 28.46, leaving room for continuation if the broader semiconductor cycle stays constructive.
Street sentiment is cautious-to-neutral, with a Hold consensus and an average target of 10.20, far below the current market level. Recent changes have been mixed but skewed negative, with BNP Paribas and Exane leaning bearish even as KGI and Morgan Stanley turned more constructive.
Momentum into the next print is solid, with UMC beating EPS in 3 of the last 7 quarters and posting a 237.5% surprise in the most recent reported quarter. Analysts still model strong revenue and earnings growth, so shareholders should watch whether execution keeps pace with elevated expectations.
Recent insider activity leans clearly toward selling, led by CFO Chi-Tung Liu with multiple large disposals in July and September. The other filings are largely non-discretionary or zero-share entries, so the signal is concentrated in the discretionary sales rather than routine award noise.
Profitability is healthy, with a 30.6% gross margin, 21.7% operating margin, and 33.3% net margin. Growth remains strong at 17% revenue growth and 374.6% earnings growth year over year, while the balance sheet shows net cash of 68.6 billion and 128.4 billion in cash and equivalents.
UMC screens as a profitable foundry with stronger margins than many cyclical peers, but the valuation is not cheap at 23 times earnings. The setup favors investors who want cash generation and balance-sheet strength over deep value.
Similar companies
Peers in the same neighborhood.
- Market Cap
- $61.39B
- P/E
- 23.32
- Fwd P/E
- 0.66
- PEG
- 0.21
- P/S
- 7.80
- P/B
- 4.38
- EV/EBITDA
- 12.18
- Div Yield
- 1.67%
- Gross Margin
- 30.60%
- Op Margin
- 18.93%
- Net Margin
- 33.29%
- ROE
- 20.98%
- ROIC
- 7.63%
Latest fiscal year · YoY change
- Revenue
- $237.55B+2.3%
- Gross Profit
- $68.91B-8.9%
- Op Income
- $43.66B
- Net Income
- $40.36B-14.5%
- EPS
- $16.70-12.1%
- OCF Growth
- +6.9%
- FCF Growth
- +1960.2%
- 52W High
- $28.96
- 52W Low
- $6.97
- 50D MA
- $20.42
- 200D MA
- $14.96
- Beta
- 1.55
- RSI (14)
- 70
- Avg Volume
- 14.78M
Earnings call summaries
Pick a quarter — each call distilled into takeaways, results, and a bull vs bear read.
UMC posted a strong Q2 with higher revenue, margin, and utilization, and raised CapEx to support silicon photonics, advanced packaging, and AI-related demand.· July 29, 2026
- Q2 revenue was TWD 68.73 billion, gross margin was 32.5%, and EPS was TWD 3.39; utilization improved to 85% from 79% in Q1.
- Management lifted 2026 CapEx to USD 2 billion from USD 1.5 billion and said the Board approved about USD 5 billion of spending across the next 2 to 3 years.
- Third-quarter guidance calls for wafer shipments up high single digits, gross margin in the mid-30% range, ASPs to remain firm, and utilization above 90%.
- Silicon photonics and advanced packaging are becoming central growth themes, with UMC aiming to launch general customer use of its silicon photonics platform in 2027.
- Management said AI-related revenue is projected to be close to USD 300 million in 2026 and expected to exceed USD 1 billion in three years.
2Q 2026 consolidated revenue was TWD 68.73 billion, up 12.6% quarter over quarter; gross margin was 32.5%, up by more than 3 percentage points; net income attributable to parent shareholders was TWD 42.26 billion; and EPS was TWD 3.39. For 1H 2026, revenue was TWD 129.77 billion, up 11.3% year over year; gross margin was 30.9%; net income was TWD 58.4 billion; and EPS was TWD 4.68. Cash on hand was TWD 124.7 billion and total equity was TWD 443.9 billion at quarter end. For 3Q 2026, management guided wafer shipments up high single digits, ASP in U.S. dollars to remain firm, gross margin in the mid-30% range, and utilization above 90%; it also raised 2026 CapEx to USD 2 billion from USD 1.5 billion.
Jason Wang framed the quarter as evidence that UMC is gaining traction in communications, consumer, and specialty segments while also building a longer-term AI-related opportunity set. He highlighted record 22/28nm revenue, first mass production delivery of a 12-inch photonics IC, and the plan to scale silicon photonics and advanced packaging as future growth engines. His tone was constructive and forward-looking, but he repeatedly emphasized phased execution, customer commitment, and capital discipline.
Chi-Tung Liu reported the quarter’s hard numbers and pointed to stronger utilization, higher wafer shipments, and improved gross margin as the key operating drivers. He also noted strong nonoperating income tied to stock market performance, with investment and dividend income together reaching TWD 30 billion in the quarter and nonoperating income totaling TWD 35.6 billion in the first half. On capital allocation, he said cash on hand was TWD 124.7 billion, total equity was TWD 443.9 billion, and the Board approved about USD 5 billion of spending across 2026 and 2027; he also said depreciation will rise by low teens year over year for at least this year and 2027 because of the new cleanroom and fab plans.
Analysts pressed management on AI revenue, customer inventory, pricing power, CapEx intensity, and how far gross margins can run in this cycle. UMC said AI-related revenue is close to USD 300 million in 2026 and should exceed USD 1 billion in three years, while also saying inventories are being watched but are not at a level that causes worry. Management said the current environment is not a broad-based recovery, pricing should improve and could see more meaningful uplift in 2027, and gross margin upside is constrained by rising depreciation from new capacity.
The call showed clear momentum in utilization, shipment growth, and specialty-node demand, with 22/28nm at record levels and 3Q guidance calling for another step-up in loading. Management sees silicon photonics, advanced packaging, and AI-related applications as real multi-year growth drivers, not just optionality, and says customer discussions are supporting better pricing. The company also has a sizable balance sheet and is investing ahead of demand with phased capacity additions.
Management openly said the recovery is not broad-based: consumer, handset, PC, and notebook demand remain weak, and inventory at some customers is still elevated. The main gross-margin risk is rising depreciation from the Singapore and Tainan expansion plans, with depreciation expected to increase by low teens year over year for at least the next two years. Even with strong AI themes, management signaled that 12nm and other new initiatives are still early-stage and that meaningful revenue contribution from some projects may not arrive until 2028 or later.
AI summary of the company's earnings call · Paraphrased · Not investment advice
- Free Float
- 86.8%
- Shares Outstanding
- 2.49B
- Float Shares
- 2.17B
of shares held by institutions
335 13F filers
Buy/sell ratio 0.25. Sells can include pre-scheduled 10b5-1 plan sales, not just discretionary selling.
Top institutional holders
Largest 13F positions, with quarter-over-quarter change.
| Holder | Shares | Δ Quarter |
|---|---|---|
| Blackrock, Inc. | 31.54M | ▲ 4.05M |
| Vanguard Group Inc | 13.52M | ▼ 728.40K |
| Ubs Group AG | 11.63M | ▲ 3.46M |
| Goldman Sachs Group Inc | 11.11M | ▲ 5.23M |
| Bank Of America Corp | 10.18M | ▲ 7.58M |
| Vanguard Capital Management LLC | 8.60M | ▼ 386.48K |
| Morgan Stanley | 8.29M | ▼ 492.33K |
| Aqr Capital Management LLC | 7.72M | ▼ 7.00M |
| Rafferty Asset Management, LLC | 7.65M | ▲ 2.67M |
| Acadian Asset Management LLC | 5.75M | ▼ 2.37M |
| Man Group PLC | 5.59M | ▼ 135.47K |
| Citigroup Inc | 5.41M | ▲ 1.12M |
Held by 64 ETFs
Biggest fund positions in UMC by dollar value.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Sep 11, 26 | YEN HUNG-YU | other | 0 |
| Sep 16, 26 | Liu Chitung | sell | 1,200,000 |
| Sep 17, 26 | Liu Chitung | sell | 400,000 |
| Sep 7, 26 | Liu Chitung | other | 1,000,000 |
| Sep 7, 26 | Liu Chitung | other | 1,000,000 |
| Jul 13, 26 | Liu Chitung | sell | 1,900,000 |
| Jun 30, 26 | HU CHE-JEN | sell | 10,000 |
| May 1, 26 | TAN WEN YI | other | 0 |
| May 1, 26 | LU CHIA-AO | other | 0 |
| Apr 29, 26 | LIAO CHING YU | other | 0 |
A “Sell” may be a pre-scheduled 10b5-1 plan sale rather than a discretionary decision — read insider selling with that in mind.
Our UMC coverage
Recent articles, reports, and earnings notes.

United Microelectronics (UMC): Specialty Foundry Recovery Gains Steam
United Microelectronics is seeing a cyclical recovery in utilization and margins while pushing into silicon photonics and advanced packaging. The stock looks balanced: improving fundamentals, but still tied to mature-node pricing and heavier capex.

United Microelectronics Corporation (UMC) climbs 10% After-Hours
United Microelectronics Corporation (UMC) climbs 10% after-hours as semiconductor investors rotate back into foundries after an AI-spending selloff. The rebound follows solid Q2 revenue, strong July sales growth, and upbeat shipment guidance, though investors should wait for regular-session confirmation before treating the move as durable.

GlobalFoundries' photonics promise is not saving the stock
GlobalFoundries has a credible silicon-photonics business, but the stock is still pricing in an earnings payoff that has not arrived. The 7.2% selloff despite bullish headlines makes GFS a proof-point story, not a momentum buy.
Want a deeper read on UMC?
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UMC Up 250% in the Past Year: Should Investors Bet on the Stock Now?
zacks.com · Sep 18
United Microelectronics (UMC) Upgraded to Strong Buy: Here's What You Should Know
zacks.com · Sep 17
Engineers Gate Manager LP Decreases Stock Position in United Microelectronics Corporation $UMC
defenseworld.net · Sep 17
United Microelectronics Corp (UMC) Shares Surge 4.3% -- What GF Score of 83 Tells Investors
gurufocus.com · Sep 16
UMC DCF Analysis: Intrinsic Value $29 vs Price $22
gurufocus.com · Sep 16
RFG Advisory LLC Cuts Stock Position in United Microelectronics Corporation $UMC
defenseworld.net · Sep 16
B. Metzler seel. Sohn & Co. AG Sells 430,524 Shares of United Microelectronics Corporation $UMC
defenseworld.net · Sep 4
UMC Reports Sales for August 2026
businesswire.com · Sep 4
Headlines from third-party outlets — TickerSpark isn't affiliated with these sources.
AI analysis · Last refreshed September 20, 2026 · Live quote · Not investment advice