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Tetra Tech shares outstanding TTEK

Diluted shares outstanding, averaged over each quarter, from 2009.

Latest quarter, to Jun 28, 2026
259.8M
On a year earlier
−1.9%
fewer shares

Tetra Tech had 259.8M diluted shares outstanding on average in Q3 FY26, the quarter to Jun 28, 2026.

That is 1.9% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025264.2M−3%
FY2024271.7M+1%
FY2023268.5M+0%
FY2022268.3M−2%
FY2021273M−0%
FY2020273M−2%
FY2019278.1M−1%
FY2018281.7M−2%
FY2017286.6M−1%
FY2016291M−3%
FY2015299.8M−7%
FY2014321.2M−1%
FY2013324.3M+1%
FY2012322M+2%
FY2011314.3M+1%

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q3 FY26259.8M−2%
Q2 FY26261.9M−2%
Q1 FY26262.7M−3%
Q4 FY25264.2M−3%
Q3 FY25264.9M−2%
Q2 FY25267.4M−1%
Q1 FY25271.9M+1%
Q4 FY24271.7M+1%
Q3 FY24270.3M+1%
Q2 FY24269.4M+0%
Q1 FY24268.7M+0%
Q4 FY23268.5M+0%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on Tetra Tech

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.