Entity Common Stock, Shares Outstanding of TETRA TECH INC from 26 Jul 2010 to 19 Jan 2026

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
TETRA TECH INC quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 26 Jul 2010 to 19 Jan 2026.
  • TETRA TECH INC Entity Common Stock, Shares Outstanding for the quarter ending 19 Jan 2026 was 260,807,561, a 2.7% decline year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

TETRA TECH INC Quarterly Entity Common Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 260,807,561 -7,228,526 -2.7% 19 Jan 2026 10-Q 30 Jan 2026 2026 Q1
Q3 2025 260,828,236 -6,912,889 -2.6% 07 Nov 2025 10-K 20 Nov 2025 2025 FY
Q2 2025 262,773,412 +209,240,999 +391% 21 Jul 2025 10-Q 01 Aug 2025 2025 Q3
Q1 2025 263,502,619 +210,005,349 +393% 24 Apr 2025 10-Q 08 May 2025 2025 Q2
Q4 2024 268,036,087 +214,569,706 +401% 20 Jan 2025 10-Q 31 Jan 2025 2025 Q1
Q3 2024 267,741,125 +214,493,457 +403% 08 Nov 2024 10-K 19 Nov 2024 2024 FY
Q2 2024 53,532,413 +286,810 +0.54% 22 Jul 2024 10-Q 02 Aug 2024 2024 Q3
Q1 2024 53,497,270 +267,777 +0.5% 22 Apr 2024 10-Q 03 May 2024 2024 Q2
Q4 2023 53,466,381 +240,242 +0.45% 22 Jan 2024 10-Q 02 Feb 2024 2024 Q1
Q3 2023 53,247,668 +266,525 +0.5% 08 Nov 2023 10-K 22 Nov 2023 2023 FY
Q2 2023 53,245,603 -73,112 -0.14% 31 Jul 2023 10-Q 10 Aug 2023 2023 Q3
Q1 2023 53,229,493 -453,830 -0.84% 01 May 2023 10-Q 11 May 2023 2023 Q2
Q4 2022 53,226,139 -773,271 -1.4% 23 Jan 2023 10-Q 03 Feb 2023 2023 Q1
Q3 2022 52,981,143 -904,403 -1.7% 09 Nov 2022 10-K/A 15 Aug 2023 2022 FY
Q2 2022 53,318,715 -752,469 -1.4% 25 Jul 2022 10-Q 05 Aug 2022 2022 Q3
Q1 2022 53,683,323 -477,030 -0.88% 25 Apr 2022 10-Q 06 May 2022 2022 Q2
Q4 2021 53,999,410 -229,513 -0.42% 24 Jan 2022 10-Q 04 Feb 2022 2022 Q1
Q3 2021 53,885,546 +108,165 +0.2% 12 Nov 2021 10-K 24 Nov 2021 2021 FY
Q2 2021 54,071,184 +182,866 +0.34% 19 Jul 2021 10-Q 30 Jul 2021 2021 Q3
Q1 2021 54,160,353 +134,283 +0.25% 19 Apr 2021 10-Q 30 Apr 2021 2021 Q2
Q4 2020 54,228,923 -454,889 -0.83% 19 Jan 2021 10-Q 29 Jan 2021 2021 Q1
Q3 2020 53,777,381 12 Nov 2020 10-K 23 Nov 2020 2020 FY
Q2 2020 53,888,318 -760,317 -1.4% 21 Jul 2020 10-Q 31 Jul 2020 2020 Q3
Q1 2020 54,026,070 -840,394 -1.5% 22 Apr 2020 10-Q 01 May 2020 2020 Q2
Q4 2019 54,683,812 -528,888 -0.96% 22 Jan 2020 10-Q 31 Jan 2020 2020 Q1
Q2 2019 54,648,635 -685,205 -1.2% 22 Jul 2019 10-Q 02 Aug 2019 2019 Q3
Q1 2019 54,866,464 -749,461 -1.3% 26 Apr 2019 10-Q 03 May 2019 2019 Q2
Q4 2018 55,212,700 -638,148 -1.1% 25 Jan 2019 10-Q 01 Feb 2019 2019 Q1
Q3 2018 55,356,389 -366,203 -0.66% 01 Nov 2018 10-K 16 Nov 2018 2018 FY
Q2 2018 55,333,840 -1,217,628 -2.2% 30 Jul 2018 10-Q 03 Aug 2018 2018 Q3
Q1 2018 55,615,925 -1,540,660 -2.7% 30 Apr 2018 10-Q 04 May 2018 2018 Q2
Q4 2017 55,850,848 -1,466,205 -2.6% 29 Jan 2018 10-Q 01 Feb 2018 2018 Q1
Q3 2017 55,722,592 -1,338,211 -2.3% 01 Nov 2017 10-K 20 Nov 2017 2017 FY
Q2 2017 56,551,468 -878,093 -1.5% 27 Jul 2017 10-Q 04 Aug 2017 2017 Q3
Q1 2017 57,156,585 -773,020 -1.3% 01 May 2017 10-Q 05 May 2017 2017 Q2
Q4 2016 57,317,053 -1,307,194 -2.2% 30 Jan 2017 10-Q 03 Feb 2017 2017 Q1
Q3 2016 57,060,803 -1,966,255 -3.3% 07 Nov 2016 10-K 22 Nov 2016 2016 FY
Q2 2016 57,429,561 -2,778,426 -4.6% 25 Jul 2016 10-Q 29 Jul 2016 2016 Q3
Q1 2016 57,929,605 -2,329,410 -3.9% 25 Apr 2016 10-Q 04 May 2016 2016 Q2
Q4 2015 58,624,247 -3,036,824 -4.9% 25 Jan 2016 10-Q 29 Jan 2016 2016 Q1
Q3 2015 59,027,058 -3,578,040 -5.7% 09 Nov 2015 10-K 20 Nov 2015 2015 FY
Q2 2015 60,207,987 -4,035,808 -6.3% 27 Jul 2015 10-Q 31 Jul 2015 2015 Q3
Q1 2015 60,259,015 -4,698,343 -7.2% 27 Apr 2015 10-Q 01 May 2015 2015 Q2
Q4 2014 61,661,071 -3,289,720 -5.1% 26 Jan 2015 10-Q 02 Feb 2015 2015 Q1
Q3 2014 62,605,098 -1,558,079 -2.4% 10 Nov 2014 10-K 19 Nov 2014 2014 FY
Q2 2014 64,243,795 -252,685 -0.39% 28 Jul 2014 10-Q 04 Aug 2014 2014 Q3
Q1 2014 64,957,358 +29,374 +0.04% 28 Apr 2014 10-Q 02 May 2014 2014 Q2
Q4 2013 64,950,791 +431,750 +0.67% 27 Jan 2014 10-Q 31 Jan 2014 2014 Q1
Q3 2013 64,163,177 +319,441 +0.5% 11 Nov 2013 10-K 20 Nov 2013 2013 FY
Q2 2013 64,496,480 +844,418 +1.3% 05 Aug 2013 10-Q 09 Aug 2013 2013 Q3
Q1 2013 64,927,984 +1,500,243 +2.4% 29 Apr 2013 10-Q 03 May 2013 2013 Q2
Q4 2012 64,519,041 +1,379,103 +2.2% 28 Jan 2013 10-Q 01 Feb 2013 2013 Q1
Q3 2012 63,843,736 +1,306,364 +2.1% 07 Nov 2012 10-K 15 Nov 2012 2012 FY
Q2 2012 63,652,062 +1,170,330 +1.9% 30 Jul 2012 10-Q 03 Aug 2012 2012 Q3
Q1 2012 63,427,741 +1,084,660 +1.7% 30 Apr 2012 10-Q 04 May 2012 2012 Q2
Q4 2011 63,139,938 +845,391 +1.4% 30 Jan 2012 10-Q 03 Feb 2012 2012 Q1
Q3 2011 62,537,372 +776,462 +1.3% 07 Nov 2011 10-K 17 Nov 2011 2011 FY
Q2 2011 62,481,732 +737,040 +1.2% 01 Aug 2011 10-Q 05 Aug 2011 2011 Q3
Q1 2011 62,343,081 02 May 2011 10-Q 06 May 2011 2011 Q2
Q4 2010 62,294,547 31 Jan 2011 10-Q 04 Feb 2011 2011 Q1
Q3 2010 61,760,910 08 Nov 2010 10-K 16 Nov 2010 2010 FY
Q2 2010 61,744,692 26 Jul 2010 10-Q 30 Jul 2010 2010 Q3
* An asterisk sign (*) next to the value indicates that the value is likely invalid.