Tetra Tech (TTEK) Interest Expenses (2009 - 2026)

Tetra Tech has disclosed Interest Expenses across 12 years of filings, most recently posting $8.8 million for Q1 2026.

• In Q1 2026, Interest Expenses rose 4.09% year-over-year to $8.8 million; the TTM figure through Mar 2026 stood at $40.9 million (changed 0.22% YoY), while the FY2025 annual figure was $40.6 million, down 8.8% from the prior year.
• Interest Expenses advanced to $8.8 million in Q1 2026, from $7.1 million in the prior quarter.
• Over the last five years, Interest Expenses for TTEK reached as high as $16.6 million in Q3 2025 and fell as low as $7.1 million in Q4 2025.
• The 4-year median for Interest Expenses is $9.2 million (2023), against an average of $10.1 million.
• Annual changes were most pronounced in 2024 — Interest Expenses declined 24.63% — and 2025, when it gained 9.6%.
• A 4-year view of Interest Expenses shows it stood at $9.6 million in 2023, then fell by 24.63% to $7.2 million in 2024, then fell by 1.25% to $7.1 million in 2025, then gained by 23.99% to $8.8 million in 2026.
• According to Business Quant data, Interest Expenses over the past three periods registered $8.8 million, $7.1 million, and $16.6 million for Q1 2026, Q4 2025, and Q3 2025 respectively.