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

Tetra Tech (TTEK) has reported Interest Expenses for 18 consecutive years, with $32.8 million the latest figure, recorded in Q1 2026.

• In Q1 2026, Interest Expenses rose 1266.35% year-over-year to $32.8 million; the TTM figure through Mar 2026 stood at $32.8 million (down 35.11% YoY), while the FY2025 annual figure was $241.8 million, up 9.69% from the prior year.
• Interest Expenses declined to $32.8 million in Q1 2026 per TTEK's latest filing, from $245.8 million in the prior quarter.
• Across five years, Interest Expenses topped out at $245.8 million in Q4 2025 and bottomed at -$21.7 million in Q4 2022.
• Historically, Interest Expenses has averaged $54.0 million across 5 years, with a median of $19.1 million in 2023.
• Annual changes were most pronounced in 2023 — Interest Expenses surged 1336.72% — and 2025, when it slumped 109.39%.
• Tetra Tech's Interest Expenses stood at -$21.7 million in 2022, then soared by 190.85% to $19.7 million in 2023, then slipped by 5.89% to $18.5 million in 2024, then jumped by 1227.26% to $245.8 million in 2025, then slumped by 86.65% to $32.8 million in 2026.
• Business Quant data shows TTEK's Interest Expenses at $32.8 million in Q1 2026, $245.8 million in Q4 2025, and $16.6 million in Q3 2025.