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Latest period

371M

YoY change

-1.6%

5Y CAGR

-1.1%

Peak year (FY2007)

444M

Shares Outstanding history chart for Thermo Fisher Scientific (TMO) from 2016 to 2025

Latest: 377M

Shares Outstanding growth chart for Thermo Fisher Scientific (TMO) from 2016 to 2025

Latest: -1.6%

Shares Outstanding history table for Thermo Fisher Scientific (TMO) from 1985 to 2025

  • FY2025377M-1.6%
  • FY2024383M-1.3%
  • FY2023388M-1.5%
  • FY2022394M-0.8%
  • FY2021397M-0.5%
  • FY2020399M-1.0%
  • FY2019403M-0.7%
  • FY2018406M+2.0%
  • FY2017398M+0.2%
  • FY2016397M-1.1%
  • FY2015402M-0.1%
  • FY2014402M+10.0%
  • FY2013366M-0.2%
  • FY2012367M-4.7%
  • FY2011385M-6.0%
  • FY2010409M-3.2%
  • FY2009423M-2.7%
  • FY2008435M-2.0%
  • FY2007444M+117.8%
  • FY2006204M+23.2%
  • FY2005165M-1.4%
  • FY2004168M-1.8%
  • FY2003171M-4.6%
  • FY2002179M-3.2%
  • FY2001185M+12.7%
  • FY2000164M+3.7%
  • FY1999158M-6.1%
  • FY1998168M-0.8%
  • FY1997170M-3.4%
  • FY1996176M+11.1%
  • FY1995158M+8.6%
  • FY1994146M+35.1%
  • FY1993108M+18.3%
  • FY199291M+4.6%
  • FY199187.1M+23.3%
  • FY199070.6M+15.6%
  • FY198961.1M+4.0%
  • FY198858.7M+1.4%
  • FY198757.9M-1.4%
  • FY198658.7M+20.4%
  • FY198548.8M

Shares Outstanding values are taken from Thermo Fisher Scientific's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Shares Outstanding at Thermo Fisher Scientific (TMO)

According to Thermo Fisher Scientific's latest reported financial statements, the company's latest reported diluted shares outstanding is 371M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

Thermo Fisher Scientific (TMO) most recent annual diluted shares outstanding stands at 377M (2025) – edged down 1.6% year-over-year.

Thermo Fisher Scientific diluted shares outstanding has contracted on net over the period, with a -1.1% compound annual growth rate over 2020–2025 (5 years).

Thermo Fisher Scientific diluted shares outstanding peaked at 444M in 2007; the latest annual figure is 377M in 2025 (15.0% below peak).

The record annual diluted shares outstanding stands at 444M, reached in 2007; the historical low of 48.8M was recorded in 1985.

Thermo Fisher Scientific Shares Outstanding by Year

Thermo Fisher Scientific Shares Outstanding 2025: 377M

In 2025, Thermo Fisher Scientific reported diluted shares outstanding of 377M, edged down 1.6% below 2024.

Thermo Fisher Scientific Shares Outstanding 2024: 383M

Thermo Fisher Scientific diluted shares outstanding in 2024 was 383M, edged down 1.3% below 2023.

Thermo Fisher Scientific Shares Outstanding 2023: 388M

2023's diluted shares outstanding for Thermo Fisher Scientific came in at 388M, edged down 1.5% below 2022.

Thermo Fisher Scientific Shares Outstanding 2022: 394M

Thermo Fisher Scientific posted diluted shares outstanding of 394M in 2022, edged down 0.8% below 2021.

Thermo Fisher Scientific Shares Outstanding 2021: 397M

Thermo Fisher Scientific diluted shares outstanding in 2021 was 397M.

See more financial history for Thermo Fisher Scientific (TMO).

Sector peers by Shares Outstanding

Healthcare peers of Thermo Fisher Scientific (TMO), ranked by their latest diluted shares outstanding

Frequently asked questions