Tetra Tech (TTEK) Change in Taxes (2010 - 2026)

Tetra Tech has disclosed Change in Taxes across 17 years of filings, most recently posting -$16.5 million for Q1 2026.

• In Q1 2026, Change in Taxes fell 861.92% year-over-year to -$16.5 million; the TTM figure through Mar 2026 stood at $12.4 million (up 161.47% YoY), while the FY2025 annual figure was $23.2 million, up 165.37% from the prior year.
• Change in Taxes retreated to -$16.5 million in Q1 2026, from $2.4 million in the prior quarter.
• Over the last five years, Change in Taxes for TTEK reached as high as $36.1 million in Q2 2025 and fell as low as -$19.1 million in Q3 2024.
• The 5-year median for Change in Taxes is $1.7 million (2022), against an average of $1.6 million.
• Annual changes were most pronounced in 2025 — Change in Taxes surged 1601.46% — and 2026, when it slumped 861.92%.
• A 5-year view of Change in Taxes shows it stood at $6.5 million in 2022, then plunged by 346.0% to -$15.9 million in 2023, then soared by 90.35% to -$1.5 million in 2024, then soared by 259.3% to $2.4 million in 2025, then sank by 773.35% to -$16.5 million in 2026.
• According to Business Quant data, Change in Taxes over the past three periods registered -$16.5 million, $2.4 million, and -$9.6 million for Q1 2026, Q4 2025, and Q3 2025 respectively.