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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 GAAP Operating Margin by Quarter

GAAP Operating Margin (%)

QuarterlyAnnual

Thermo Fisher Scientific GAAP Operating Margin: 18.6% in Q3 2026, up 1.2 pts from a year earlier. That is the highest of the 15 quarters on record here.

Latest, Q3 2026
18.6%
Period ended Sep 30, 2026
Change on a year earlier
+1.2 pts
17.4% in Q3 2025
History
15 quarters
Since Q1 2023
Sources
3
Documents cited below

Where the Q3 2026 figure comes from

“GAAP operating income 1,716 16.6 % 1,834 16.9 % 1,941 17.4 % 2,255 18.5 % 1,863 16.9 % 2,087 17.4 % 2,263 18.6 %”

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

PeriodEndedGAAP Operating Margin (%)Year on yearSource
Q3 2026Sep 30, 202618.6%+1.2 ptsQ3 2026 Reconciliation of Financial Information ↗
Q2 2026Jun 30, 202617.4%+0.5 ptsQ3 2026 Reconciliation of Financial Information ↗
Q1 2026Mar 31, 202616.9%+0.3 ptsQ3 2026 Reconciliation of Financial Information ↗
Q4 2025Dec 31, 202518.5%+0.8 ptsQ3 2026 Reconciliation of Financial Information ↗
Q3 2025Sep 30, 202517.4%+0.1 ptsQ3 2026 Reconciliation of Financial Information ↗
Q2 2025Jun 30, 202516.9%-0.4 ptsQ3 2026 Reconciliation of Financial Information ↗
Q1 2025Mar 31, 202516.6%+0.5 ptsQ3 2026 Reconciliation of Financial Information ↗
Q4 2024Dec 31, 202417.7%+0.7 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q3 2024Sep 30, 202417.3%-0.3 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q2 2024Jun 30, 202417.3%+2.5 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q1 2024Mar 31, 202416.1%+1.5 ptsQ4 & FY2025 Reconciliation of Financial Information ↗
Q4 2023Dec 31, 202317.0%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q3 2023Sep 30, 202317.6%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q2 2023Jun 30, 202314.8%–Q4 & FY2024 Reconciliation of Financial Information ↗
Q1 2023Mar 31, 202314.6%–Q4 & FY2024 Reconciliation of Financial Information ↗

Cite this data

StockData. (2026). Thermo Fisher Scientific GAAP Operating Margin (%), quarterly Q1 2023–Q3 2026 [Data set]. Compiled from Thermo Fisher Scientific SEC filings and investor materials. https://stockdatahq.com/stocks/tmo/kpis/gaap-op-margin-pct

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