Market Cap

United Microelectronics Corporation Market Capitalization:

TW$613.04 Billion

TWD as of Jan. 1, 2026

US$19.57 Billion

business United Microelectronics Corporation Company Profile

United Microelectronics Corporation Main Stock Listing

TWSE: 2303

Market Capitalization History of United Microelectronics Corporation

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Semiconductors
Company Market Cap (USD)
Nvidia $4.598 T
Broadcom $1.648 T
TSMC $1.312 T
AMD $363.82 B
Micron $355.01 B
Sector: Technology
Company Market Cap (USD)
Nvidia $4.598 T
Apple $4.022 T
Microsoft $3.515 T
Broadcom $1.648 T
TSMC $1.312 T

Yearly evolution of United Microelectronics Corporation market cap

Date Market Cap YoY Change
Jan. 1, 2026 TW$613.04 B 14.17%
Jan. 1, 2025 TW$536.97 B -15.62%
Jan. 1, 2024 TW$636.41 B 23.01%
Jan. 1, 2023 TW$517.37 B -26.00%
Jan. 1, 2022 TW$699.18 B 14.60%
Jan. 1, 2021 TW$610.10 B 235.57%
Jan. 1, 2020 TW$181.81 B 31.28%
Jan. 1, 2019 TW$138.49 B -20.35%
Jan. 1, 2018 TW$173.88 B 25.55%
Jan. 1, 2017 TW$138.49 B -11.67%
Jan. 1, 2016 TW$156.80 B -16.56%
Jan. 1, 2015 TW$187.91 B 24.70%
Jan. 1, 2014 TW$150.70 B 7.39%
Jan. 1, 2013 TW$140.32 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

United Microelectronics Corporation Categories

Taiwan languages Technology languages Semiconductors
Taiwan Technology Taiwan Semiconductors

Stocks & Indices

United Microelectronics Corporation has the following listings and related stock indices.


Stock: TWSE: 2303

Stock: NYSE: UMC

Stock: FSX: UMCB

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.