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

State Street's Tax Rate history runs 18 years deep, the most recent figure standing at 21.16% for Q1 2026.

• Quarterly Tax Rate fell 50.0% year-over-year to 21.16% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 20.96% (up 21.0% YoY) and the FY2025 annual result came in at 21.07%, up 21.0% from the prior year.
• Tax Rate was 21.16% for Q1 2026 at State Street, up from 18.63% in the prior quarter.
• Across five years, Tax Rate topped out at 22.58% in Q1 2024 and bottomed at 4.48% in Q4 2023.
• A 5-year average of 18.0% and a median of 19.89% in 2022 frame the typical range for Tax Rate.
• Annual changes were most pronounced in 2023 — Tax Rate tumbled 2203 bps — and 2024, when it surged 2292 bps.
• State Street's Tax Rate stood at 17.55% in 2022, then slumped by 126 bps to 4.48% in 2023, then jumped by 512 bps to 18.44% in 2024, then increased by 1 bps to 18.63% in 2025, then advanced by 14 bps to 21.16% in 2026.
• Business Quant data shows STT's Tax Rate at 21.16% in Q1 2026, 18.63% in Q4 2025, and 21.87% in Q3 2025.