Tetra Tech, Inc.

Tetra Tech, Inc. annual/quarterly shares outstanding history and growth rate from 2016 to 2026. Shares outstanding refers to a company's stock currently held by all its shareholders, including institutional investors and company insiders.

• Tetra Tech, Inc. shares outstanding for the quarter ending March 29, 2026 was 0.26 B shs, a 2.06% decrease year-over-year.
• Tetra Tech, Inc. annual shares outstanding for 2025 was 0.27 B shs, a 1.08% decrease from 2024.
• Tetra Tech, Inc. annual shares outstanding for 2024 was 0.27 B shs, a 0.69% increase from 2023.
• Tetra Tech, Inc. annual shares outstanding for 2023 was 0.27 B shs, a 0.97% decrease from 2022.
• Tetra Tech, Inc. annual shares outstanding for 2022 was 0.27 B shs.