United Microelectronics (UMC) Shares Outstanding (2017 - 2025)

United Microelectronics (UMC) has 9 years of Shares Outstanding data on file, last reported at $406.1 million in Q4 2025.

• In Q4 2025, Shares Outstanding rose 4.35% year-over-year to $406.1 million; the TTM figure through Dec 2025 stood at $406.1 million (up 4.35% YoY), while the FY2025 annual figure was $406.1 million, up 4.35% from the prior year.
• Shares Outstanding rose to $406.1 million in Q4 2025, from $389.2 million in the prior quarter.
• Across five years, Shares Outstanding topped out at $449.2 million in Q4 2021 and bottomed at $389.2 million in Q4 2024.
• A 5-year average of $407.6 million and a median of $399.3 million in 2022 frame the typical range for Shares Outstanding.
• Annual changes were most pronounced in 2022 — Shares Outstanding retreated 11.12% — and 2025, when it gained 4.35%.
• Year by year, Shares Outstanding stood at $449.2 million in 2021, then dropped by 11.12% to $399.3 million in 2022, then retreated by 1.3% to $394.1 million in 2023, then retreated by 1.25% to $389.2 million in 2024, then climbed by 4.35% to $406.1 million in 2025.
• The last three Shares Outstanding figures came in at $406.1 million (Q4 2025), $389.2 million (Q4 2024), and $394.1 million (Q4 2023), per Business Quant data.

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