State Street (STT) Tax Rate (2009 - 2026)

State Street has reported Tax Rate for 18 years, with the latest figure at 21.16% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate fell 50.0% year-over-year to 21.16%; the trailing twelve-month figure through Mar 2026 stood at 20.96% (up 21.0% YoY), and the FY2025 full-year result was 21.07%, up 21.0% from the prior year.
• Tax Rate for Q1 2026 stood at 21.16%, up from 18.63% in the prior quarter.
• The five-year high for Tax Rate was 22.58% in Q1 2024, with the low at 4.48% in Q4 2023.
• Historically, Tax Rate has averaged 18.0% across 5 years, with a median of 19.89% in 2022.
• Annual changes were most pronounced in 2023 — Tax Rate plunged 2203 bps — and 2024, when it surged 2292 bps.
• State Street's Tax Rate stood at 17.55% in 2022, then plunged by 126 bps to 4.48% in 2023, then surged by 512 bps to 18.44% in 2024, then climbed by 1 bps to 18.63% in 2025, then rose by 14 bps to 21.16% in 2026.
• The last three Tax Rate figures came in at 21.16% (Q1 2026), 18.63% (Q4 2025), and 21.87% (Q3 2025), per Business Quant data.