Tetra Tech (TTEK) Shares Outstanding (Diluted Average) (2009 - 2026)

Tetra Tech (TTEK) has 15 years of Shares Outstanding (Diluted Average) data on file, last reported at $262.5 million in Q1 2026.

• Shares Outstanding (Diluted Average) for Q1 2026 came in at $262.5 million, down 1.85% year-over-year; the trailing twelve-month figure through Mar 2026 was $262.5 million (down 1.85% YoY), and the FY2025 annual result was $267.1 million, down 1.67% from the prior year.
• Shares Outstanding (Diluted Average) was little changed at $262.5 million in Q1 2026 per TTEK's latest filing, from $262.7 million in the prior quarter.
• Over five years, Shares Outstanding (Diluted Average) peaked at $271.9 million in Q4 2024 and troughed at $54.0 million in Q3 2022.
• A 5-year average of $232.4 million and a median of $267.9 million in 2023 frame the typical range for Shares Outstanding (Diluted Average).
• The sharpest annual moves came in 2023 and 2025: Shares Outstanding (Diluted Average) soared 396.73% in 2023, then fell 3.37% in 2025.
• A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $270.8 million in 2022, then dropped by 0.78% to $268.7 million in 2023, then grew by 1.19% to $271.9 million in 2024, then slipped by 3.37% to $262.7 million in 2025, then fell by 0.09% to $262.5 million in 2026.
• Business Quant data shows TTEK's Shares Outstanding (Diluted Average) at $262.5 million in Q1 2026, $262.7 million in Q4 2025, and $267.1 million in Q3 2025.