Weighted Average Number of Shares Outstanding, Basic of Ultra Clean Holdings, Inc. from 01 Jan 2010 to 26 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
Ultra Clean Holdings, Inc. quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 01 Jan 2010 to 26 Dec 2025.
  • Ultra Clean Holdings, Inc. Weighted Average Number of Shares Outstanding, Basic for the quarter ending 26 Dec 2025 was 45,300,000, a 0.89% increase year-over-year.
  • Ultra Clean Holdings, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2025 was 45,300,000, a 0.89% increase from 2024.
  • Ultra Clean Holdings, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 44,900,000, a 0.45% increase from 2023.
  • Ultra Clean Holdings, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 44,700,000, a 1.1% decline from 2022.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

Ultra Clean Holdings, Inc. Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 45,300,000 +400,000 +0.89% 27 Sep 2025 26 Dec 2025 10-K 23 Feb 2026 2025 FY
Q3 2025 45,400,000 +400,000 +0.89% 28 Jun 2025 26 Sep 2025 10-Q 29 Oct 2025 2025 Q3
Q2 2025 45,200,000 +300,000 +0.67% 29 Mar 2025 27 Jun 2025 10-Q 29 Jul 2025 2025 Q2
Q1 2025 45,100,000 +500,000 +1.1% 28 Dec 2024 28 Mar 2025 10-Q 29 Apr 2025 2025 Q1
Q4 2024 44,900,000 +200,000 +0.45% 28 Sep 2024 27 Dec 2024 10-K 23 Feb 2026 2025 FY
Q3 2024 45,000,000 +200,000 +0.45% 29 Jun 2024 27 Sep 2024 10-Q 29 Oct 2025 2025 Q3
Q2 2024 44,900,000 +200,000 +0.45% 30 Mar 2024 28 Jun 2024 10-Q 29 Jul 2025 2025 Q2
Q1 2024 44,600,000 -200,000 -0.45% 30 Dec 2023 29 Mar 2024 10-Q 29 Apr 2025 2025 Q1
Q4 2023 44,700,000 -500,000 -1.1% 30 Sep 2023 29 Dec 2023 10-K 23 Feb 2026 2025 FY
Q3 2023 44,800,000 +44,799,955 01 Jul 2023 29 Sep 2023 10-Q 30 Oct 2024 2024 Q3
Q2 2023 44,700,000 +44,699,955 01 Apr 2023 30 Jun 2023 10-Q 26 Jul 2024 2024 Q2
Q1 2023 44,800,000 +44,799,955 31 Dec 2022 31 Mar 2023 10-Q 06 May 2024 2024 Q1
Q4 2022 45,200,000 01 Oct 2022 30 Dec 2022 10-K 25 Feb 2025 2024 FY
Q3 2022 45* +1 02 Jul 2022 30 Sep 2022 10-Q 07 Nov 2023 2023 Q3
Q2 2022 45* -43,299,955 02 Apr 2022 01 Jul 2022 10-Q 11 Aug 2023 2023 Q3
Q1 2022 45* +4 01 Jan 2022 01 Apr 2022 10-Q 05 May 2023 2023 Q3
Q3 2021 45* -40,399,955 26 Jun 2021 24 Sep 2021 10-Q 09 Nov 2022 2022 Q3
Q2 2021 43,300,000 +3,200,000 +8% 26 Mar 2021 25 Jun 2021 10-Q 04 Aug 2021 2021 Q2
Q1 2021 41* -39,799,959 26 Dec 2020 26 Mar 2021 10-Q 10 May 2022 2022 Q1
Q3 2020 40,400,000 +900,000 +2.3% 27 Jun 2020 25 Sep 2020 10-Q 03 Nov 2021 2021 Q3
Q2 2020 40,100,000 +700,000 +1.8% 27 Mar 2020 26 Jun 2020 10-Q 04 Aug 2021 2021 Q2
Q1 2020 39,800,000 +700,000 +1.8% 28 Dec 2019 27 Mar 2020 10-Q 05 May 2021 2021 Q1
Q3 2019 39,500,000 +570,000 +1.5% 29 Jun 2019 27 Sep 2019 10-Q 04 Nov 2020 2020 Q3
Q2 2019 39,400,000 +598,000 +1.5% 30 Mar 2019 28 Jun 2019 10-Q 03 Aug 2020 2020 Q2
Q1 2019 39,100,000 +2,377,000 +6.5% 29 Dec 2018 29 Mar 2019 10-Q 06 May 2020 2020 Q1
Q3 2018 38,930,000 +5,390,000 +16% 30 Jun 2018 28 Sep 2018 10-Q 05 Nov 2019 2019 Q3
Q2 2018 38,802,000 +5,369,000 +16% 31 Mar 2018 29 Jun 2018 10-Q 07 Aug 2019 2019 Q2
Q1 2018 36,723,000 +3,662,000 +11% 30 Dec 2017 30 Mar 2018 10-Q 08 May 2019 2019 Q1
Q3 2017 33,540,000 +781,000 +2.4% 30 Jun 2017 29 Sep 2017 10-Q 07 Nov 2018 2018 Q3
Q2 2017 33,433,000 +868,000 +2.7% 01 Apr 2017 30 Jun 2017 10-Q 08 Aug 2018 2018 Q2
Q1 2017 33,061,000 +752,000 +2.3% 31 Dec 2016 31 Mar 2017 10-Q 09 May 2018 2018 Q1
Q4 2016 32,632,000 +1,068,000 +3.4% 24 Sep 2016 30 Dec 2016 10-K 22 Mar 2019 2018 FY
Q3 2016 32,759,000 +766,000 +2.4% 25 Jun 2016 23 Sep 2016 10-Q 08 Nov 2017 2017 Q3
Q2 2016 32,565,000 +950,000 +3% 26 Mar 2016 24 Jun 2016 10-Q 09 Aug 2017 2017 Q2
Q1 2016 32,309,000 +1,824,000 +6% 26 Dec 2015 25 Mar 2016 10-Q 10 May 2017 2017 Q1
Q4 2015 31,564,000 +2,263,000 +7.7% 26 Sep 2015 25 Dec 2015 10-K 14 Mar 2018 2017 FY
Q3 2015 31,993,000 +2,516,000 +8.5% 27 Jun 2015 25 Sep 2015 10-Q 01 Nov 2016 2016 Q3
Q2 2015 31,615,000 +2,177,000 +7.4% 28 Mar 2015 26 Jun 2015 10-Q 03 Aug 2016 2016 Q2
Q1 2015 30,485,000 +1,608,000 +5.6% 27 Dec 2014 27 Mar 2015 10-Q 02 May 2016 2016 Q1
Q4 2014 29,301,000 +955,000 +3.4% 27 Sep 2014 26 Dec 2014 10-K 15 Mar 2017 2016 FY
Q3 2014 29,477,000 +1,026,000 +3.6% 28 Jun 2014 26 Sep 2014 10-Q 04 Nov 2015 2015 Q3
Q2 2014 29,438,000 +1,068,000 +3.8% 29 Mar 2014 27 Jun 2014 10-Q 05 Aug 2015 2015 Q2
Q1 2014 28,877,000 +899,000 +3.2% 28 Dec 2013 28 Mar 2014 10-Q 04 May 2015 2015 Q1
Q4 2013 28,346,000 +2,648,000 +10% 28 Sep 2013 27 Dec 2013 10-K 09 Mar 2016 2015 FY
Q3 2013 28,451,000 +795,000 +2.9% 29 Jun 2013 27 Sep 2013 10-Q 03 Nov 2014 2014 Q3
Q2 2013 28,370,000 +5,078,000 +22% 30 Mar 2013 28 Jun 2013 10-Q 04 Aug 2014 2014 Q2
Q1 2013 27,978,000 +4,965,000 +22% 29 Dec 2012 29 Mar 2013 10-Q 05 May 2014 2014 Q1
Q4 2012 25,698,000 +3,009,000 +13% 29 Sep 2012 28 Dec 2012 10-K 11 Mar 2015 2014 FY
Q3 2012 27,656,000 +4,852,000 +21% 30 Jun 2012 28 Sep 2012 10-Q 01 Nov 2013 2013 Q3
Q2 2012 23,292,000 +558,000 +2.5% 31 Mar 2012 29 Jun 2012 10-Q 02 Aug 2013 2013 Q2
Q1 2012 23,013,000 +545,000 +2.4% 31 Dec 2011 30 Mar 2012 10-Q 03 May 2013 2013 Q1
Q4 2011 22,689,000 01 Oct 2011 30 Dec 2011 10-K 12 Mar 2014 2013 FY
Q3 2011 22,804,000 +913,000 +4.2% 02 Jul 2011 30 Sep 2011 10-Q 07 Nov 2012 2012 Q3
Q2 2011 22,734,000 +1,064,000 +4.9% 02 Apr 2011 01 Jul 2011 10-Q 07 Aug 2012 2012 Q2
Q1 2011 22,468,000 01 Jan 2011 01 Apr 2011 10-Q 07 May 2012 2012 Q1
Q3 2010 21,891,000 03 Jul 2010 01 Oct 2010 10-Q 03 Nov 2011 2011 Q3
Q2 2010 21,670,000 03 Apr 2010 02 Jul 2010 10-Q 03 Aug 2011 2011 Q2

Ultra Clean Holdings, Inc. Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 45,300,000 +400,000 +0.89% 28 Dec 2024 26 Dec 2025 10-K 23 Feb 2026 2025 FY
2024 44,900,000 +200,000 +0.45% 30 Dec 2023 27 Dec 2024 10-K 23 Feb 2026 2025 FY
2023 44,700,000 -500,000 -1.1% 31 Dec 2022 29 Dec 2023 10-K 23 Feb 2026 2025 FY
2022 45,200,000 +45,199,956 01 Jan 2022 30 Dec 2022 10-K 25 Feb 2025 2024 FY
2021 44* +3 01 Jan 2021 31 Dec 2021 10-K 06 Mar 2024 2023 FY
2020 40* +1 28 Dec 2019 25 Dec 2020 10-K 28 Feb 2023 2022 FY
2019 40* +1 29 Dec 2018 27 Dec 2019 10-K 01 Mar 2022 2020 FY
2018 38* +5 30 Dec 2017 28 Dec 2018 10-K 23 Feb 2021 2020 FY
2017 33* -32,631,967 31 Dec 2016 29 Dec 2017 10-K 11 Mar 2020 2019 FY
2016 32,632,000 +1,068,000 +3.4% 26 Dec 2015 30 Dec 2016 10-K 22 Mar 2019 2018 FY
2015 31,564,000 +2,263,000 +7.7% 27 Dec 2014 25 Dec 2015 10-K 14 Mar 2018 2017 FY
2014 29,301,000 +955,000 +3.4% 28 Dec 2013 26 Dec 2014 10-K 15 Mar 2017 2016 FY
2013 28,346,000 +2,648,000 +10% 29 Dec 2012 27 Dec 2013 10-K 09 Mar 2016 2015 FY
2012 25,698,000 +3,009,000 +13% 31 Dec 2011 28 Dec 2012 10-K 11 Mar 2015 2014 FY
2011 22,689,000 +890,000 +4.1% 01 Jan 2011 30 Dec 2011 10-K 12 Mar 2014 2013 FY
2010 21,799,000 +396,000 +1.8% 02 Jan 2010 31 Dec 2010 10-K/A 14 Mar 2013 2012 FY
2009 21,403,000 03 Jan 2009 01 Jan 2010 10-K 21 Mar 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.