Weighted Average Number of Shares Outstanding, Basic of LAM RESEARCH CORP from 28 Mar 2010 to 28 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
LAM RESEARCH CORP quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 28 Mar 2010 to 28 Dec 2025.
  • LAM RESEARCH CORP Weighted Average Number of Shares Outstanding, Basic for the quarter ending 28 Dec 2025 was 1,254,856,000, a 2.5% decline year-over-year.
  • LAM RESEARCH CORP annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 1,286,101,000.
  • LAM RESEARCH CORP annual Weighted Average Number of Shares Outstanding, Basic for 2022 was 1,354,715,000, a 868% increase from 2021.
  • LAM RESEARCH CORP annual Weighted Average Number of Shares Outstanding, Basic for 2021 was 139,899,000, a 2.6% decline from 2020.
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 (%)

LAM RESEARCH CORP 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 1,254,856,000 -32,253,000 -2.5% 29 Sep 2025 28 Dec 2025 10-Q 29 Jan 2026 2026 Q2
Q3 2025 1,264,446,000 -34,790,000 -2.7% 30 Jun 2025 28 Sep 2025 10-Q 24 Oct 2025 2026 Q1
Q2 2025 1,286,101,000 31 Mar 2025 29 Jun 2025 10-K 11 Aug 2025 2025 FY
Q1 2025 1,283,779,000 -24,603,000 -1.9% 30 Dec 2024 30 Mar 2025 10-Q 25 Apr 2025 2025 Q3
Q4 2024 1,287,109,000 -29,184,000 -2.2% 30 Sep 2024 29 Dec 2024 10-Q 29 Jan 2026 2026 Q2
Q3 2024 1,299,236,000 -26,604,000 -2% 01 Jul 2024 29 Sep 2024 10-Q 24 Oct 2025 2026 Q1
Q1 2024 1,308,382,000 +1,173,458,000 +870% 25 Dec 2023 31 Mar 2024 10-Q 25 Apr 2025 2025 Q3
Q4 2023 1,316,293,000 +1,180,275,000 +868% 25 Sep 2023 24 Dec 2023 10-Q 31 Jan 2025 2025 Q2
Q3 2023 1,325,840,000 +1,188,949,000 +869% 26 Jun 2023 24 Sep 2023 10-Q 28 Oct 2024 2025 Q1
Q2 2023 1,354,715,000 +1,214,816,000 +868% 27 Mar 2023 25 Jun 2023 10-K 11 Aug 2025 2025 FY
Q1 2023 134,924,000 -4,305,000 -3.1% 26 Dec 2022 26 Mar 2023 10-Q 29 Apr 2024 2024 Q3
Q4 2022 136,018,000 -4,612,000 -3.3% 26 Sep 2022 25 Dec 2022 10-Q 29 Jan 2024 2024 Q2
Q3 2022 136,891,000 -4,852,000 -3.4% 27 Jun 2022 25 Sep 2022 10-Q 23 Oct 2023 2024 Q1
Q2 2022 139,899,000 -3,710,000 -2.6% 28 Mar 2022 26 Jun 2022 10-K 29 Aug 2024 2024 FY
Q1 2022 139,229,000 -3,447,000 -2.4% 27 Dec 2021 27 Mar 2022 10-Q 24 Apr 2023 2023 Q3
Q4 2021 140,630,000 -3,200,000 -2.2% 27 Sep 2021 26 Dec 2021 10-Q 30 Jan 2023 2023 Q2
Q3 2021 141,743,000 -3,524,000 -2.4% 28 Jun 2021 26 Sep 2021 10-Q 24 Oct 2022 2023 Q1
Q2 2021 143,609,000 -1,205,000 -0.83% 29 Mar 2021 27 Jun 2021 10-K 15 Aug 2023 2023 FY
Q1 2021 142,676,000 -2,625,000 -1.8% 28 Dec 2020 28 Mar 2021 10-Q 26 Apr 2022 2022 Q3
Q4 2020 143,830,000 -157,000 -0.11% 28 Sep 2020 27 Dec 2020 10-Q 01 Feb 2022 2022 Q2
Q3 2020 145,267,000 +594,000 +0.41% 29 Jun 2020 27 Sep 2020 10-Q 26 Oct 2021 2022 Q1
Q2 2020 144,814,000 30 Mar 2020 28 Jun 2020 10-K 24 Aug 2022 2022 FY
Q1 2020 145,301,000 -5,900,000 -3.9% 30 Dec 2019 29 Mar 2020 10-Q 28 Apr 2021 2021 Q3
Q4 2019 143,987,000 -11,035,000 -7.1% 30 Sep 2019 29 Dec 2019 10-Q 02 Feb 2021 2021 Q2
Q3 2019 144,673,000 -10,985,000 -7.1% 01 Jul 2019 29 Sep 2019 10-Q 27 Oct 2020 2021 Q1
Q1 2019 151,201,000 -11,177,000 -6.9% 24 Dec 2018 31 Mar 2019 10-Q 28 Apr 2020 2020 Q3
Q4 2018 155,022,000 -6,113,000 -3.8% 24 Sep 2018 23 Dec 2018 10-Q 04 Feb 2020 2020 Q2
Q3 2018 155,658,000 -6,483,000 -4% 25 Jun 2018 23 Sep 2018 10-Q 29 Oct 2019 2020 Q1
Q2 2018 161,643,000 -579,000 -0.36% 26 Mar 2018 24 Jun 2018 10-K 18 Aug 2020 2020 FY
Q1 2018 162,378,000 -1,030,000 -0.63% 25 Dec 2017 25 Mar 2018 10-Q 30 Apr 2019 2019 Q3
Q4 2017 161,135,000 -1,524,000 -0.94% 25 Sep 2017 24 Dec 2017 10-Q 30 Jan 2019 2019 Q2
Q3 2017 162,141,000 +1,534,000 +0.96% 26 Jun 2017 24 Sep 2017 10-Q 23 Oct 2018 2019 Q1
Q2 2017 162,222,000 +3,303,000 +2.1% 27 Mar 2017 25 Jun 2017 10-K 20 Aug 2019 2019 FY
Q1 2017 163,408,000 +4,369,000 +2.7% 26 Dec 2016 26 Mar 2017 10-Q 24 Apr 2018 2018 Q3
Q4 2016 162,659,000 +4,235,000 +2.7% 26 Sep 2016 25 Dec 2016 10-Q 30 Jan 2018 2018 Q2
Q3 2016 160,607,000 +2,255,000 +1.4% 27 Jun 2016 25 Sep 2016 10-Q 23 Oct 2017 2018 Q1
Q2 2016 158,919,000 -710,000 -0.44% 28 Mar 2016 26 Jun 2016 10-K 14 Aug 2018 2018 FY
Q1 2016 159,039,000 +47,000 +0.03% 28 Dec 2015 27 Mar 2016 10-Q 24 Apr 2017 2017 Q3
Q4 2015 158,424,000 -824,000 -0.52% 28 Sep 2015 27 Dec 2015 10-Q 30 Jan 2017 2017 Q2
Q3 2015 158,352,000 -3,333,000 -2.1% 29 Jun 2015 27 Sep 2015 10-Q 25 Oct 2016 2017 Q1
Q2 2015 159,629,000 -5,112,000 -3.1% 30 Mar 2015 28 Jun 2015 10-K 15 Aug 2017 2017 FY
Q1 2015 158,992,000 -3,246,000 -2% 29 Dec 2014 29 Mar 2015 10-Q 25 Apr 2016 2016 Q3
Q4 2014 159,248,000 -3,057,000 -1.9% 29 Sep 2014 28 Dec 2014 10-Q 03 Feb 2016 2016 Q2
Q3 2014 161,685,000 -1,211,000 -0.74% 30 Jun 2014 28 Sep 2014 10-Q 03 Nov 2015 2016 Q1
Q2 2014 164,741,000 31 Mar 2014 29 Jun 2014 10-K 17 Aug 2016 2016 FY
Q1 2014 162,238,000 -796,000 -0.49% 30 Dec 2013 30 Mar 2014 10-Q 30 Apr 2015 2015 Q3
Q4 2013 162,305,000 -8,394,000 -4.9% 30 Sep 2013 29 Dec 2013 10-Q 03 Feb 2015 2015 Q2
Q3 2013 162,896,000 -17,032,000 -9.5% 01 Jul 2013 29 Sep 2013 10-Q 03 Nov 2014 2015 Q1
Q1 2013 163,034,000 +43,193,000 +36% 24 Dec 2012 31 Mar 2013 10-Q 08 May 2014 2014 Q3
Q4 2012 170,699,000 +50,960,000 +43% 24 Sep 2012 23 Dec 2012 10-Q 06 Feb 2014 2014 Q2
Q3 2012 179,928,000 +56,798,000 +46% 25 Jun 2012 23 Sep 2012 10-Q 07 Nov 2013 2014 Q1
Q2 2012 124,176,000 +647,000 +0.52% 26 Mar 2012 24 Jun 2012 10-K 26 Aug 2014 2014 FY
Q1 2012 119,841,000 -3,833,000 -3.1% 26 Dec 2011 25 Mar 2012 10-Q 09 May 2013 2013 Q3
Q4 2011 119,739,000 -3,362,000 -2.7% 26 Sep 2011 25 Dec 2011 10-Q 31 Jan 2013 2013 Q2
Q3 2011 123,130,000 -535,000 -0.43% 27 Jun 2011 25 Sep 2011 10-Q 01 Nov 2012 2013 Q1
Q2 2011 123,529,000 28 Mar 2011 26 Jun 2011 10-K 27 Aug 2013 2013 FY
Q1 2011 123,674,000 -3,633,000 -2.9% 27 Dec 2010 27 Mar 2011 10-Q 03 May 2012 2012 Q3
Q4 2010 123,101,000 27 Sep 2010 26 Dec 2010 10-Q 03 Feb 2012 2012 Q2
Q3 2010 123,665,000 28 Jun 2010 26 Sep 2010 10-Q 03 Nov 2011 2012 Q1
Q1 2010 127,307,000 28 Dec 2009 28 Mar 2010 10-Q 03 May 2011 2011 Q3

LAM RESEARCH CORP Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2024 1,286,101,000 01 Jul 2024 29 Jun 2025 10-K 11 Aug 2025 2025 FY
2022 1,354,715,000 +1,214,816,000 +868% 27 Jun 2022 25 Jun 2023 10-K 11 Aug 2025 2025 FY
2021 139,899,000 -3,710,000 -2.6% 28 Jun 2021 26 Jun 2022 10-K 29 Aug 2024 2024 FY
2020 143,609,000 -1,205,000 -0.83% 29 Jun 2020 27 Jun 2021 10-K 15 Aug 2023 2023 FY
2019 144,814,000 01 Jul 2019 28 Jun 2020 10-K 24 Aug 2022 2022 FY
2017 161,643,000 -579,000 -0.36% 26 Jun 2017 24 Jun 2018 10-K 18 Aug 2020 2020 FY
2016 162,222,000 +3,303,000 +2.1% 27 Jun 2016 25 Jun 2017 10-K 20 Aug 2019 2019 FY
2015 158,919,000 -710,000 -0.44% 29 Jun 2015 26 Jun 2016 10-K 14 Aug 2018 2018 FY
2014 159,629,000 -5,112,000 -3.1% 30 Jun 2014 28 Jun 2015 10-K 15 Aug 2017 2017 FY
2013 164,741,000 01 Jul 2013 29 Jun 2014 10-K 17 Aug 2016 2016 FY
2011 124,176,000 +647,000 +0.52% 27 Jun 2011 24 Jun 2012 10-K 26 Aug 2014 2014 FY
2010 123,529,000 -3,404,000 -2.7% 28 Jun 2010 26 Jun 2011 10-K 27 Aug 2013 2013 FY
2009 126,933,000 29 Jun 2009 27 Jun 2010 10-K 22 Aug 2012 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.