Compare · ARM vs UMC
ARM vs UMC
Side-by-side comparison of Arm Holdings plc (ARM) and United Microelectronics Corporation (NEW) (UMC): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both ARM and UMC operate in Semiconductors (Technology), so they compete in similar markets.
- ARM is the larger of the two at $257.03B, about 5.2x UMC ($49.35B).
- UMC has been more active in the news (7 items in the past 4 weeks vs 3 for ARM).
- Both have 25 recent analyst ratings on file.
- Company
- Arm Holdings plc
- United Microelectronics Corporation (NEW)
- Price
- -
- -
- Market cap
- $257.03B
- $49.35B
- 1M return
- -
- -
- 1Y return
- -
- -
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NYSE
- IPO
- 2023
- News (4w)
- 3
- 7
- Recent ratings
- 25
- 25
United Microelectronics Corporation (NEW)
United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, Singapore, China, Hong Kong, Japan, the United States, Europe, and internationally. It operates through Wafer Fabrication and New Business segments. The company provides circuit design, mask tooling, wafer fabrication, and assembly and testing services. It serves fabless design companies and integrated device manufacturers. United Microelectronics Corporation was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.
Latest ARM
- Chief Accounting Officer Bartels Laura Kathleen covered exercise/tax liability with 856 units of Ordinary Shares and converted options into 1,681 units of Ordinary Shares, increasing direct ownership by 7% to 12,960 units (SEC Form 4) (withholding obligation)
- Director Sine Jeffrey gifted 9,572 units of Ordinary Shares, closing all direct ownership in the company (SEC Form 4)
- SEC Form 6-K filed by Arm Holdings plc
- Arm Holdings plc upgraded by New Street
- SEC Form 6-K filed by Arm Holdings plc
- Arm Holdings plc Reports Results for the First Quarter of the Fiscal Year Ending 2027
- SEC Form 6-K filed by Arm Holdings plc
- The Benchmark Company resumed coverage on Arm Holdings plc
- Arm Holdings plc downgraded by HSBC Securities with a new price target
- Arm Announces Earnings Release Date for First Quarter Fiscal Year Ended 2027
Latest UMC
- SEC Form 6-K filed by United Microelectronics Corporation (NEW)
- Tradr Expands Lineup with Leveraged Funds on Everspin, SiTime and UMC
- United Micro upgraded by Arete
- Tradr Announces Upcoming Leveraged ETFs on MRAM, SITM & UMC
- SEC Form 6-K filed by United Microelectronics Corporation (NEW)
- UMC Reports Sales for July 2026
- SEC Form 6-K filed by United Microelectronics Corporation (NEW)
- SEC Form 6-K filed by United Microelectronics Corporation (NEW)
- UMC Reports Second Quarter 2026 Results
- SEC Form 6-K filed by United Microelectronics Corporation (NEW)