Thermo Fisher Scientific Inc.
Close on Nov 2, 2026Market cap $252.41BP/E 36.0Yield 0.25%
Thermo Fisher Scientific Fiscal Calendar Selling Days Delta by Quarter
Fiscal Calendar Selling Days Delta (days)
Thermo Fisher Scientific Fiscal Calendar Selling Days Delta: -4 days in Q4 2027, down 500.0% from a year earlier. That is the lowest of the 16 quarters on record here.
Where the Q4 2027 figure comes from
“2027 Fiscal Calendar Change in Selling Days vs Prior Year: Q1=+4, Q2=0, Q3=0, Q4=-4”
Source: Q3 2026 Reconciliation of Financial Information ↗
Year-over-year increase or decrease in business/selling days — a fiscal calendar factor directly impacting quarterly organic revenue growth rates.
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
Cite this data
StockData. (2026). Thermo Fisher Scientific Fiscal Calendar Selling Days Delta (days), quarterly Q1 2024–Q4 2027 [Data set]. Compiled from Thermo Fisher Scientific SEC filings and investor materials. https://stockdatahq.com/stocks/tmo/kpis/selling-days-delta
See every metric in the Thermo Fisher Scientific KPI table. Data updated Oct 29, 2026.