Common Stock, Shares, Issued of TETRA TECH INC from 27 Jun 2010 to 28 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
Summary
TETRA TECH INC quarterly Common Stock, Shares, Issued in shares history and change rate from 27 Jun 2010 to 28 Dec 2025.
  • TETRA TECH INC Common Stock, Shares, Issued for the quarter ending 28 Dec 2025 was 260,811,000, a 2.7% decline year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Issued, Quarterly (shares)
Common Stock, Shares, Issued, YoY Quarterly Change (%)

TETRA TECH INC Quarterly Common Stock, Shares, Issued (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 260,811,000 -7,217,000 -2.7% 28 Dec 2025 10-Q 30 Jan 2026 2026 Q1
Q3 2025 261,418,000 -6,299,000 -2.4% 28 Sep 2025 10-Q 30 Jan 2026 2026 Q1
Q2 2025 262,752,000 +209,220,000 +391% 29 Jun 2025 10-Q 01 Aug 2025 2025 Q3
Q1 2025 263,503,000 +210,006,000 +393% 30 Mar 2025 10-Q 08 May 2025 2025 Q2
Q4 2024 268,028,000 +214,562,000 +401% 29 Dec 2024 10-Q 31 Jan 2025 2025 Q1
Q3 2024 267,717,000 +1,479,000 +0.56% 29 Sep 2024 10-K 20 Nov 2025 2025 FY
Q2 2024 53,532,000 +289,000 +0.54% 30 Jun 2024 10-Q 02 Aug 2024 2024 Q3
Q1 2024 53,497,000 +269,000 +0.5% 31 Mar 2024 10-Q 03 May 2024 2024 Q2
Q4 2023 53,466,000 +240,000 +0.45% 31 Dec 2023 10-Q 02 Feb 2024 2024 Q1
Q3 2023 266,238,000 +213,257,000 +403% 01 Oct 2023 10-K 19 Nov 2024 2024 FY
Q2 2023 53,243,000 -76,000 -0.14% 02 Jul 2023 10-Q 10 Aug 2023 2023 Q3
Q1 2023 53,228,000 -455,000 -0.85% 02 Apr 2023 10-Q 11 May 2023 2023 Q2
Q4 2022 53,226,000 -773,000 -1.4% 01 Jan 2023 10-Q 03 Feb 2023 2023 Q1
Q3 2022 52,981,000 -1,000,000 -1.9% 02 Oct 2022 10-K 22 Nov 2023 2023 FY
Q2 2022 53,319,000 -752,000 -1.4% 03 Jul 2022 10-Q 05 Aug 2022 2022 Q3
Q1 2022 53,683,000 -475,000 -0.88% 03 Apr 2022 10-Q 06 May 2022 2022 Q2
Q4 2021 53,999,000 -194,000 -0.36% 02 Jan 2022 10-Q 04 Feb 2022 2022 Q1
Q3 2021 53,981,000 +184,000 +0.34% 03 Oct 2021 10-K 25 Nov 2022 2022 FY
Q2 2021 54,071,000 +183,000 +0.34% 27 Jun 2021 10-Q 30 Jul 2021 2021 Q3
Q1 2021 54,158,000 +16,000 +0.03% 28 Mar 2021 10-Q 30 Apr 2021 2021 Q2
Q4 2020 54,193,000 -372,000 -0.68% 27 Dec 2020 10-Q 29 Jan 2021 2021 Q1
Q3 2020 53,797,000 -768,000 -1.4% 27 Sep 2020 10-K 24 Nov 2021 2021 FY
Q2 2020 53,888,000 -840,000 -1.5% 28 Jun 2020 10-Q 31 Jul 2020 2020 Q3
Q1 2020 54,142,000 -805,000 -1.5% 29 Mar 2020 10-Q 01 May 2020 2020 Q2
Q4 2019 54,565,000 -761,000 -1.4% 29 Dec 2019 10-Q 31 Jan 2020 2020 Q1
Q3 2019 54,565,000 -784,000 -1.4% 29 Sep 2019 10-K 23 Nov 2020 2020 FY
Q2 2019 54,728,000 -604,000 -1.1% 30 Jun 2019 10-Q 31 Jan 2020 2020 Q1
Q1 2019 54,947,000 -802,000 -1.4% 31 Mar 2019 10-Q 03 May 2019 2019 Q2
Q4 2018 55,326,000 -662,000 -1.2% 30 Dec 2018 10-Q 01 Feb 2019 2019 Q1
Q3 2018 55,349,000 -524,000 -0.94% 30 Sep 2018 10-K 29 Nov 2019 2019 FY
Q2 2018 55,332,000 -1,430,000 -2.5% 01 Jul 2018 10-Q 03 Aug 2018 2018 Q3
Q1 2018 55,749,000 -1,454,000 -2.5% 01 Apr 2018 10-Q 04 May 2018 2018 Q2
Q4 2017 55,988,000 -1,231,000 -2.2% 31 Dec 2017 10-Q 01 Feb 2018 2018 Q1
Q3 2017 55,873,000 -1,169,000 -2% 01 Oct 2017 10-K 16 Nov 2018 2018 FY
Q2 2017 56,762,000 -784,000 -1.4% 02 Jul 2017 10-Q 04 Aug 2017 2017 Q3
Q1 2017 57,203,000 -874,000 -1.5% 02 Apr 2017 10-Q 05 May 2017 2017 Q2
Q4 2016 57,219,000 -1,690,000 -2.9% 01 Jan 2017 10-Q 03 Feb 2017 2017 Q1
Q3 2016 57,042,000 -2,339,000 -3.9% 02 Oct 2016 10-K 20 Nov 2017 2017 FY
Q2 2016 57,546,000 -2,616,000 -4.3% 26 Jun 2016 10-Q 29 Jul 2016 2016 Q3
Q1 2016 58,077,000 -2,256,000 -3.7% 27 Mar 2016 10-Q 04 May 2016 2016 Q2
Q4 2015 58,909,000 -3,260,000 -5.2% 27 Dec 2015 10-Q 29 Jan 2016 2016 Q1
Q3 2015 59,381,000 -3,210,000 -5.1% 27 Sep 2015 10-K 22 Nov 2016 2016 FY
Q2 2015 60,162,000 -4,186,000 -6.5% 28 Jun 2015 10-Q 31 Jul 2015 2015 Q3
Q1 2015 60,333,000 -4,735,000 -7.3% 29 Mar 2015 10-Q 01 May 2015 2015 Q2
Q4 2014 62,169,000 -2,569,000 -4% 28 Dec 2014 10-Q 02 Feb 2015 2015 Q1
Q3 2014 62,591,000 -1,543,000 -2.4% 28 Sep 2014 10-K 20 Nov 2015 2015 FY
Q2 2014 64,348,000 -451,000 -0.7% 29 Jun 2014 10-Q 04 Aug 2014 2014 Q3
Q1 2014 65,068,000 +143,000 +0.22% 30 Mar 2014 10-Q 02 May 2014 2014 Q2
Q4 2013 64,738,000 +364,000 +0.56% 29 Dec 2013 10-Q 31 Jan 2014 2014 Q1
Q3 2013 64,134,000 +297,000 +0.46% 29 Sep 2013 10-K 19 Nov 2014 2014 FY
Q2 2013 64,799,000 30 Jun 2013 10-Q 09 Aug 2013 2013 Q3
Q1 2013 64,925,000 +1,553,000 +2.5% 31 Mar 2013 10-Q 03 May 2013 2013 Q2
Q4 2012 64,374,000 +1,626,000 +2.6% 30 Dec 2012 10-Q 01 Feb 2013 2013 Q1
Q3 2012 63,837,000 +1,342,000 +2.1% 30 Sep 2012 10-K 20 Nov 2013 2013 FY
Q1 2012 63,372,000 +1,042,000 +1.7% 01 Apr 2012 10-Q 04 May 2012 2012 Q2
Q4 2011 62,748,000 +775,000 +1.3% 01 Jan 2012 10-Q 03 Feb 2012 2012 Q1
Q3 2011 62,495,000 +740,000 +1.2% 02 Oct 2011 10-K 15 Nov 2012 2012 FY
Q2 2011 62,464,000 +721,000 +1.2% 03 Jul 2011 10-Q 05 Aug 2011 2011 Q3
Q1 2011 62,330,000 03 Apr 2011 10-Q 06 May 2011 2011 Q2
Q4 2010 61,973,000 02 Jan 2011 10-Q 04 Feb 2011 2011 Q1
Q3 2010 61,755,000 03 Oct 2010 10-K 17 Nov 2011 2011 FY
Q2 2010 61,743,000 27 Jun 2010 10-Q 30 Jul 2010 2010 Q3
* An asterisk sign (*) next to the value indicates that the value is likely invalid.