Weighted Average Number of Shares Outstanding, Diluted of ILLUMINA, INC. from 03 Jan 2010 to 28 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
Summary
ILLUMINA, INC. quarterly and annual Weighted Average Number of Shares Outstanding, Diluted in shares history and change rate from 03 Jan 2010 to 28 Dec 2025.
  • ILLUMINA, INC. Weighted Average Number of Shares Outstanding, Diluted for the quarter ending 28 Dec 2025 was 156,000,000, a 1.9% decline year-over-year.
  • ILLUMINA, INC. annual Weighted Average Number of Shares Outstanding, Diluted for 2025 was 156,000,000, a 1.9% decline from 2024.
  • ILLUMINA, INC. annual Weighted Average Number of Shares Outstanding, Diluted for 2024 was 159,000,000, a 0.63% increase from 2023.
  • ILLUMINA, INC. annual Weighted Average Number of Shares Outstanding, Diluted for 2023 was 158,000,000, a 0.64% increase from 2022.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Diluted, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Diluted, Annual (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Annual Change (%)

ILLUMINA, INC. Quarterly Weighted Average Number of Shares Outstanding, Diluted (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 156,000,000 -3,000,000 -1.9% 29 Sep 2025 28 Dec 2025 10-K 12 Feb 2026 2025 FY
Q3 2025 154,000,000 -6,000,000 -3.8% 30 Jun 2025 28 Sep 2025 10-Q 31 Oct 2025 2025 Q3
Q2 2025 157,000,000 -2,000,000 -1.3% 31 Mar 2025 29 Jun 2025 10-Q 01 Aug 2025 2025 Q2
Q1 2025 159,000,000 0 0% 30 Dec 2024 30 Mar 2025 10-Q 09 May 2025 2025 Q1
Q4 2024 159,000,000 +1,000,000 +0.63% 30 Sep 2024 29 Dec 2024 10-K 12 Feb 2026 2025 FY
Q3 2024 160,000,000 +2,000,000 +1.3% 01 Jul 2024 29 Sep 2024 10-Q 31 Oct 2025 2025 Q3
Q2 2024 159,000,000 +1,000,000 +0.63% 01 Apr 2024 30 Jun 2024 10-Q 01 Aug 2025 2025 Q2
Q1 2024 159,000,000 +1,000,000 +0.63% 01 Jan 2024 31 Mar 2024 10-Q 09 May 2025 2025 Q1
Q4 2023 158,000,000 +1,000,000 +0.64% 02 Oct 2023 31 Dec 2023 10-K 12 Feb 2026 2025 FY
Q3 2023 158,000,000 +1,000,000 +0.64% 03 Jul 2023 01 Oct 2023 10-Q 06 Nov 2024 2024 Q3
Q2 2023 158,000,000 +1,000,000 +0.64% 03 Apr 2023 02 Jul 2023 10-Q 07 Aug 2024 2024 Q2
Q1 2023 158,000,000 -1,000,000 -0.63% 02 Jan 2023 02 Apr 2023 10-Q 03 May 2024 2024 Q1
Q4 2022 157,000,000 +6,000,000 +4% 03 Oct 2022 01 Jan 2023 10-K 12 Feb 2025 2024 FY
Q3 2022 157,000,000 +4,000,000 +2.6% 04 Jul 2022 02 Oct 2022 10-Q 13 Nov 2023 2023 Q3
Q2 2022 157,000,000 +10,000,000 +6.8% 04 Apr 2022 03 Jul 2022 10-Q 10 Aug 2023 2023 Q2
Q1 2022 159,000,000 +12,000,000 +8.2% 03 Jan 2022 03 Apr 2022 10-Q 05 May 2023 2023 Q1
Q4 2021 151,000,000 +3,000,000 +2% 04 Oct 2021 02 Jan 2022 10-K 16 Feb 2024 2023 FY
Q3 2021 153,000,000 +5,000,000 +3.4% 05 Jul 2021 03 Oct 2021 10-Q 04 Nov 2022 2022 Q3
Q2 2021 147,000,000 -1,000,000 -0.68% 05 Apr 2021 04 Jul 2021 10-Q 11 Aug 2022 2022 Q2
Q1 2021 147,000,000 -1,000,000 -0.68% 04 Jan 2021 04 Apr 2021 10-Q 05 May 2022 2022 Q1
Q4 2020 148,000,000 -1,000,000 -0.67% 28 Sep 2020 03 Jan 2021 10-K 17 Feb 2023 2022 FY
Q3 2020 148,000,000 0 0% 29 Jun 2020 27 Sep 2020 10-Q 05 Nov 2021 2021 Q3
Q2 2020 148,000,000 -1,000,000 -0.67% 30 Mar 2020 28 Jun 2020 10-Q 06 Aug 2021 2021 Q2
Q1 2020 148,000,000 -1,000,000 -0.67% 30 Dec 2019 29 Mar 2020 10-Q 28 Apr 2021 2021 Q1
Q4 2019 149,000,000 0 0% 30 Sep 2019 29 Dec 2019 10-K 18 Feb 2022 2021 FY
Q3 2019 148,000,000 -1,000,000 -0.67% 01 Jul 2019 29 Sep 2019 10-Q 30 Oct 2020 2020 Q3
Q2 2019 149,000,000 +1,000,000 +0.68% 01 Apr 2019 30 Jun 2019 10-Q 07 Aug 2020 2020 Q2
Q1 2019 149,000,000 +1,000,000 +0.68% 31 Dec 2018 31 Mar 2019 10-Q 01 May 2020 2020 Q1
Q4 2018 149,000,000 +1,000,000 +0.68% 01 Oct 2018 30 Dec 2018 10-K 17 Feb 2021 2020 FY
Q3 2018 149,000,000 +1,000,000 +0.68% 02 Jul 2018 30 Sep 2018 10-Q 25 Oct 2019 2019 Q3
Q2 2018 148,000,000 +1,000,000 +0.68% 02 Apr 2018 01 Jul 2018 10-Q 31 Jul 2019 2019 Q2
Q1 2018 148,000,000 +1,000,000 +0.68% 01 Jan 2018 01 Apr 2018 10-Q 26 Apr 2019 2019 Q1
Q4 2017 148,000,000 0 0% 02 Oct 2017 31 Dec 2017 10-K 11 Feb 2020 2019 FY
Q3 2017 148,000,000 0 0% 03 Jul 2017 01 Oct 2017 10-Q 24 Oct 2018 2018 Q3
Q2 2017 147,000,000 -1,000,000 -0.68% 03 Apr 2017 02 Jul 2017 10-Q 31 Jul 2018 2018 Q2
Q1 2017 147,000,000 -1,000,000 -0.68% 02 Jan 2017 02 Apr 2017 10-Q 25 Apr 2018 2018 Q1
Q4 2016 148,000,000 -1,000,000 -0.67% 03 Oct 2016 01 Jan 2017 10-K 12 Feb 2019 2018 FY
Q3 2016 148,000,000 -1,672,000 -1.1% 04 Jul 2016 02 Oct 2016 10-Q 25 Oct 2017 2017 Q3
Q2 2016 148,000,000 -969,000 -0.65% 04 Apr 2016 03 Jul 2016 10-Q 03 Aug 2017 2017 Q2
Q1 2016 148,000,000 -683,000 -0.46% 04 Jan 2016 03 Apr 2016 10-Q 05 May 2017 2017 Q1
Q4 2015 149,000,000 +23,000 +0.02% 28 Sep 2015 03 Jan 2016 10-K 13 Feb 2018 2017 FY
Q3 2015 149,672,000 +2,160,000 +1.5% 29 Jun 2015 27 Sep 2015 10-Q 08 Nov 2016 2016 Q3
Q2 2015 148,969,000 -152,000 -0.1% 30 Mar 2015 28 Jun 2015 10-Q 02 Aug 2016 2016 Q2
Q1 2015 148,683,000 -1,936,000 -1.3% 29 Dec 2014 29 Mar 2015 10-Q 09 May 2016 2016 Q1
Q4 2014 148,977,000 +9,041,000 +6.5% 29 Sep 2014 28 Dec 2014 10-K 14 Feb 2017 2016 FY
Q3 2014 147,512,000 +6,911,000 +4.9% 30 Jun 2014 28 Sep 2014 10-Q 02 Nov 2015 2015 Q3
Q2 2014 149,121,000 +9,744,000 +7% 31 Mar 2014 29 Jun 2014 10-Q 31 Jul 2015 2015 Q2
Q1 2014 150,619,000 +26,851,000 +22% 30 Dec 2013 30 Mar 2014 10-Q 01 May 2015 2015 Q1
Q4 2013 139,936,000 +6,243,000 +4.7% 30 Sep 2013 29 Dec 2013 10-K 02 Mar 2016 2015 FY
Q3 2013 140,601,000 +8,094,000 +6.1% 01 Jul 2013 29 Sep 2013 10-Q 29 Oct 2014 2014 Q3
Q2 2013 139,377,000 +6,366,000 +4.8% 01 Apr 2013 30 Jun 2013 10-Q 01 Aug 2014 2014 Q2
Q1 2013 123,768,000 -10,091,000 -7.5% 31 Dec 2012 31 Mar 2013 10-Q 07 May 2014 2014 Q1
Q4 2012 133,693,000 -5,244,000 -3.8% 01 Oct 2012 30 Dec 2012 10-K 18 Feb 2015 2014 FY
Q3 2012 132,507,000 -3,459,000 -2.5% 02 Jul 2012 30 Sep 2012 10-Q 06 Nov 2013 2013 Q3
Q2 2012 133,011,000 -8,754,000 -6.2% 02 Apr 2012 01 Jul 2012 10-Q 29 Jul 2013 2013 Q2
Q1 2012 133,859,000 -19,270,000 -13% 02 Jan 2012 01 Apr 2012 10-Q 01 May 2013 2013 Q1
Q4 2011 138,937,000 -4,496,000 -3.1% 03 Oct 2011 01 Jan 2012 10-K 18 Feb 2014 2013 FY
Q3 2011 135,966,000 -9,239,000 -6.4% 04 Jul 2011 02 Oct 2011 10-Q 29 Oct 2012 2012 Q3
Q2 2011 141,765,000 +814,000 +0.58% 04 Apr 2011 03 Jul 2011 10-Q 30 Jul 2012 2012 Q2
Q1 2011 153,129,000 +16,722,000 +12% 03 Jan 2011 03 Apr 2011 10-Q 03 May 2012 2012 Q1
Q4 2010 143,433,000 04 Oct 2010 02 Jan 2011 10-K 15 Feb 2013 2012 FY
Q3 2010 145,205,000 05 Jul 2010 03 Oct 2010 10-Q 04 Nov 2011 2011 Q3
Q2 2010 140,951,000 05 Apr 2010 04 Jul 2010 10-Q 10 Aug 2011 2011 Q2
Q1 2010 136,407,000 04 Jan 2010 04 Apr 2010 10-Q 04 May 2011 2011 Q1

ILLUMINA, INC. Annual Weighted Average Number of Shares Outstanding, Diluted (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 156,000,000 -3,000,000 -1.9% 30 Dec 2024 28 Dec 2025 10-K 12 Feb 2026 2025 FY
2024 159,000,000 +1,000,000 +0.63% 01 Jan 2024 29 Dec 2024 10-K 12 Feb 2026 2025 FY
2023 158,000,000 +1,000,000 +0.64% 02 Jan 2023 31 Dec 2023 10-K 12 Feb 2026 2025 FY
2022 157,000,000 +6,000,000 +4% 03 Jan 2022 01 Jan 2023 10-K 12 Feb 2025 2024 FY
2021 151,000,000 +3,000,000 +2% 04 Jan 2021 02 Jan 2022 10-K 16 Feb 2024 2023 FY
2020 148,000,000 -1,000,000 -0.67% 30 Dec 2019 03 Jan 2021 10-K 17 Feb 2023 2022 FY
2019 149,000,000 0 0% 31 Dec 2018 29 Dec 2019 10-K 18 Feb 2022 2021 FY
2018 149,000,000 +1,000,000 +0.68% 01 Jan 2018 30 Dec 2018 10-K 17 Feb 2021 2020 FY
2017 148,000,000 0 0% 02 Jan 2017 31 Dec 2017 10-K 11 Feb 2020 2019 FY
2016 148,000,000 -1,000,000 -0.67% 04 Jan 2016 01 Jan 2017 10-K 12 Feb 2019 2018 FY
2015 149,000,000 +23,000 +0.02% 29 Dec 2014 03 Jan 2016 10-K 13 Feb 2018 2017 FY
2014 148,977,000 +9,041,000 +6.5% 30 Dec 2013 28 Dec 2014 10-K 14 Feb 2017 2016 FY
2013 139,936,000 +6,243,000 +4.7% 31 Dec 2012 29 Dec 2013 10-K 02 Mar 2016 2015 FY
2012 133,693,000 -5,244,000 -3.8% 02 Jan 2012 30 Dec 2012 10-K 18 Feb 2015 2014 FY
2011 138,937,000 -4,496,000 -3.1% 03 Jan 2011 01 Jan 2012 10-K 18 Feb 2014 2013 FY
2010 143,433,000 +6,337,000 +4.6% 04 Jan 2010 02 Jan 2011 10-K 15 Feb 2013 2012 FY
2009 137,096,000 29 Dec 2008 03 Jan 2010 10-K 24 Feb 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.