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Thermo Fisher Scientific Inc.

TMONYSEMeasuring & Controlling Devices, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 26, 2026Last filing: 10-Q on Oct 30, 2026Score 12/3027% above fair value
$682.65−14.35 (-2.06%)

Close on Nov 2, 2026Market cap $252.41BP/E 36.0Yield 0.25%

Thermo Fisher Scientific Adjusted Effective Tax Rate by Quarter

Adjusted Effective Tax Rate (%)

QuarterlyAnnual

Thermo Fisher Scientific Adjusted Effective Tax Rate: 11.6% in Q3 2026, up 0.6 pts from a year earlier. That is the highest of the 15 quarters on record here.

Latest, Q3 2026
11.6%
Period ended Sep 30, 2026
Change on a year earlier
+0.6 pts
11.0% in Q3 2025
History
15 quarters
Since Q1 2023
Sources
3
Documents cited below

Where the Q3 2026 figure comes from

“Adjusted tax provision (non-GAAP measure) 217 10.0 % 225 10.0 % 271 11.0 % 291 10.5 % 238 10.5 % 295 11.6 % 326 11.6 %”

Source: Q3 2026 Reconciliation of Financial Information ↗

Reported in IR Financial Reconciliation Package.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedAdjusted Effective Tax Rate (%)Year on yearSource
Q3 2026Sep 30, 202611.6%+0.6 ptsQ3 2026 Reconciliation of Financial Information ↗
Q2 2026Jun 30, 202611.6%+1.6 ptsQ3 2026 Reconciliation of Financial Information ↗
Q1 2026Mar 31, 202610.5%+0.5 ptsQ3 2026 Reconciliation of Financial Information ↗
Q4 2025Dec 31, 202510.5%-0.4 ptsQ3 2026 Reconciliation of Financial Information ↗
Q3 2025Sep 30, 202511.0%+0.5 ptsQ3 2026 Reconciliation of Financial Information ↗
Q2 2025Jun 30, 202510.0%0.0 ptsQ3 2026 Reconciliation of Financial Information ↗
Q1 2025Mar 31, 202510.0%-0.5 ptsQ3 2026 Reconciliation of Financial Information ↗
Q4 2024Dec 31, 202410.9%+0.9 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q3 2024Sep 30, 202410.5%+0.5 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q2 2024Jun 30, 202410.0%0.0 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q1 2024Mar 31, 202410.5%+0.5 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q4 2023Dec 31, 202310.0%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q3 2023Sep 30, 202310.0%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q2 2023Jun 30, 202310.0%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q1 2023Mar 31, 202310.0%–Q4 & FY2024 Reconciliation of Financial Information ↗

Cite this data

StockData. (2026). Thermo Fisher Scientific Adjusted Effective Tax Rate (%), quarterly Q1 2023–Q3 2026 [Data set]. Compiled from Thermo Fisher Scientific SEC filings and investor materials. https://stockdatahq.com/stocks/tmo/kpis/adj-tax-rate-pct

See every metric in the Thermo Fisher Scientific KPI table. Data updated Oct 29, 2026.