United Microelectronics (UMC) Shares Outstanding (Diluted) (2009 - 2026)
United Microelectronics (UMC) reported Weighted Average Shares Outstanding (Diluted) of 2.47 billion for the quarter ended Sep 30, 2026, down 0.2% from 2.47 billion a year earlier and unchanged from the prior quarter.
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Analysis
United Microelectronics (UMC) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
Dating back to the quarter ended Dec 31, 2009, United Microelectronics' Weighted Average Shares Outstanding (Diluted) record includes 68 quarters.
- Weighted Average Shares Outstanding (Diluted) has declined for three consecutive years, though with a five-year compound annual growth rate of 0.2% (years ended Dec 2020 to Dec 2025).
- By year, Weighted Average Shares Outstanding (Diluted) came in at 2.47 billion in the year ended Dec 31, 2024 (-0.1%), 2.48 billion in the year ended Dec 31, 2023 (-0.9%), 2.5 billion in the year ended Dec 31, 2022 (+2.0%) and 2.45 billion in the year ended Dec 31, 2021 (unchanged).
- Five-year quarterly Weighted Average Shares Outstanding (Diluted) spans a low of 2.45 billion in the quarter ended Dec 31, 2021 and a high of 2.5 billion in the quarter ended Sep 30, 2023.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now declined in each of the last 12 quarters, with an average decline of 0.1% over the last eight quarters.
- The high point for year-over-year Weighted Average Shares Outstanding (Diluted) in five years was the quarter ended Sep 30, 2023 (growth of 2.0%); the low point was the quarter ended Dec 31, 2023 (a decline of 0.9%).
- Per Business Quant data, the three quarters before the quarter ended Sep 30, 2026 came in at 2.47 billion (quarter ended Jun 30, 2026), 2.47 billion (quarter ended Mar 31, 2026) and 2.47 billion (quarter ended Dec 31, 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | SK hynix | 24,980.27 Bn | 24,964.04 Bn | 43.99 Bn | 188.19 Bn |
| 2 | Taiwan Semiconductor Manufacturing | 10,337.48 Bn | 9,919.73 Bn | 31.04 Bn | 25.93 Bn |
| 3 | Nvidia | 3,939.34 Bn | 3,713.50 Bn | 72.14 Bn | 24.29 Bn |
| 4 | Broadcom | 1,653.85 Bn | 1,579.89 Bn | 20.46 Bn | 4.89 Bn |
| 5 | Micron Technology | 880.27 Bn | 785.91 Bn | 47.05 Bn | 1.14 Bn |
| 6 | Advanced Micro Devices | 875.86 Bn | 824.07 Bn | 7.21 Bn | 1.66 Bn |
| 7 | Asml Holding | 576.26 Bn | 531.95 Bn | 5.90 Bn | 388.90 Mn |
| 8 | Intel | 316.79 Bn | 179.50 Bn | 7.10 Bn | 5.31 Bn |
| 9 | Applied Materials | 294.03 Bn | 294.03 Bn | 5.25 Bn | 800.00 Mn |
| 10 | United Microelectronics | 38.77 Bn | 23.14 Bn | 788.24 Mn | 2.47 Bn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 2.47 Bn |
| Jun 30, 2026 | 2.47 Bn |
| Mar 31, 2026 | 2.47 Bn |
| Dec 31, 2025 | 2.47 Bn |
| Sep 30, 2025 | 2.47 Bn |
| Jun 30, 2025 | 2.47 Bn |
| Mar 31, 2025 | 2.47 Bn |
| Dec 31, 2024 | 2.47 Bn |
| Sep 30, 2024 | 2.48 Bn |
| Jun 30, 2024 | 2.48 Bn |
| Mar 31, 2024 | 2.48 Bn |
| Dec 31, 2023 | 2.48 Bn |
| Sep 30, 2023 | 2.50 Bn |
| Jun 30, 2023 | 2.50 Bn |
| Mar 31, 2023 | 2.50 Bn |
| Dec 31, 2022 | 2.50 Bn |
| Sep 30, 2022 | 2.45 Bn |
| Jun 30, 2022 | 2.45 Bn |
| Mar 31, 2022 | 2.45 Bn |
| Dec 31, 2021 | 2.45 Bn |
API Access
United Microelectronics Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=UMC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "UMC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=UMC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();