United Microelectronics Corporation (NEW) Common Stock (UMC)

Shares Out (Basic)

2.50B

Quarterly · Period ending: Jun 30, 2026

UMC Shares Out (Basic)

Latest reported2.50Bperiod endingJun 30, 2026

UMC Quarterly Shares Out (Basic) (2.55B → 2.50B)

Quarterly shares out (basic)

High-resolution chart · PNG

UMC shares out (basic) history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

United Microelectronics Corporation (NEW) Common Stock Shares Out (Basic) — Quarterly
Period ending	Shares Out (Basic)
Jun 30, 2026	2,495,016,000
Mar 31, 2026	2,497,000,000
Dec 31, 2025	2,497,400,000
Sep 30, 2025	2,496,956,200
Jun 30, 2025	2,496,956,200
Mar 31, 2025	2,496,956,200
Dec 31, 2024	2,496,200,000
Sep 30, 2024	2,511,871,600
Jun 30, 2024	2,482,837,800
Mar 31, 2024	2,482,817,600
Dec 31, 2023	2,484,779,000
Sep 30, 2023	2,474,226,000
Jun 30, 2023	2,469,797,200
Mar 31, 2023	2,469,776,000
Dec 31, 2022	2,471,603,400
Sep 30, 2022	2,458,899,800
Jun 30, 2022	2,456,695,800
Mar 31, 2022	2,456,695,800
Dec 31, 2021	2,441,258,600
Sep 30, 2021	2,441,258,600
Jun 30, 2021	2,441,258,600
Mar 31, 2021	2,441,258,600
Dec 31, 2020	2,421,530,200
Sep 30, 2020	2,421,530,200
Jun 30, 2020	2,438,630,000
Mar 31, 2020	2,356,587,200
Dec 31, 2019	2,341,648,000
Sep 30, 2019	2,341,648,000
Jun 30, 2019	2,363,531,600
Mar 31, 2019	2,381,741,400
Dec 31, 2018	2,410,778,400
Sep 30, 2018	2,410,778,400
Jun 30, 2018	2,409,715,000
Mar 31, 2018	2,440,554,600
Dec 31, 2017	2,441,648,000
Sep 30, 2017	2,441,648,000
Jun 30, 2017	2,441,648,000
Mar 31, 2017	2,441,648,000
Dec 31, 2016	2,441,648,000
Sep 30, 2016	2,441,648,000
Jun 30, 2016	2,466,977,600
Mar 31, 2016	2,481,648,000
Dec 31, 2015	2,504,901,000
Sep 30, 2015	2,504,901,000
Jun 30, 2015	2,514,499,400
Mar 31, 2015	2,505,252,000
Dec 31, 2014	2,373,118,400
Sep 30, 2014	2,500,161,800
Jun 30, 2014	2,497,819,200
Mar 31, 2014	2,495,985,000
Dec 31, 2013	2,401,178,000
Sep 30, 2013	2,503,620,600
Jun 30, 2013	2,492,994,400
Mar 31, 2013	2,526,248,200
Dec 31, 2012	2,485,990,832
Sep 30, 2012	2,525,731,800
Jun 30, 2012	2,524,301,400
Mar 31, 2012	2,522,661,400
Dec 31, 2011	2,521,980,600
Sep 30, 2011	2,521,459,000
Jun 30, 2011	2,502,779,800
Mar 31, 2011	2,502,779,800
Dec 31, 2010	2,490,023,400
Sep 30, 2010	2,489,779,400
Jun 30, 2010	2,489,777,200
Mar 31, 2010	2,527,608,000
Dec 31, 2009	2,527,608,000
Sep 30, 2009	2,527,608,000
Jun 30, 2009	2,533,307,200
Mar 31, 2009	2,553,422,800
Dec 31, 2008	2,553,422,800
Sep 30, 2008	2,498,962,000
Jun 30, 2008	2,498,962,000
Mar 31, 2008	2,634,338,400
Dec 31, 2007	2,971,058,200
Sep 30, 2007	3,030,278,600
Jun 30, 2007	2,590,888,688
Mar 31, 2007	2,576,878,800
Dec 31, 2006	2,661,193,600
Sep 30, 2006	2,661,193,600
Jun 30, 2006	2,678,954,456
Mar 31, 2006	2,661,193,600
Dec 31, 2005	2,440,662,400
Sep 30, 2005	2,440,662,400
Jun 30, 2005	2,440,662,386
Mar 31, 2005	2,559,662,576
Dec 31, 2004	2,726,408,400
Sep 30, 2004	2,732,940,200
Jun 30, 2004	2,734,674,400
Mar 31, 2004	2,733,922,800
Dec 31, 2003	2,700,359,000
Sep 30, 2003	2,700,359,000
Jun 30, 2003	2,573,490,800
Mar 31, 2003	2,582,646,600
Dec 31, 2002	2,636,712,400
Sep 30, 2002	2,503,435,200
Jun 30, 2002	2,316,092,200
Mar 31, 2002	2,310,097,800
Dec 31, 2001	2,204,140,600
Sep 30, 2001	2,204,140,600