TMO
Thermo Fisher Scientific, Inc.
NYSE · usd
Thermo Fisher Scientific, Inc. (TMO) trades at $673.82 (-0.40%) as of 7:30:04 PM EDT on Oct 23, 2026, -0.67% over the past month. Market cap is $250.15B, with 2.1 days to cover in short interest.
Stock performance
How Thermo Fisher Scientific, Inc. (TMO) stock has performed from one day to one year, with its 52-week range.
- 1D
- -0.40%
- 1W
- -2.34%
- 1M
- -0.67%
- YTD
- +16.29%
- 1Y
- +19.52%
- 52-wk range
- $435.27 – $705.79
Key statistics
Today's trading snapshot for TMO: day range, open, previous close, volume and market cap.
- Day range
- $662.50 – $677.28
- Open
- $672.69
- Prev close
- $676.54
- Volume
- 2.04M
- Market cap
- $250.15B
- Shares out
- 369.75M
Valuation and profitability ratios: P/E, P/S, ROE
Valuation and profitability ratios for Thermo Fisher Scientific, Inc.: P/E, P/S, P/B, ROE and more.
- P/E
- 35.90
- P/S
- 5.40
- P/B
- 4.75
- P/FCF
- 34.19
- ROE
- 13.2%
- ROA
- 6.2%
- Debt/Equity
- 0.81
- Div yield
- 0.26%
As of Oct 22, 2026
8-K filings
Material corporate events Thermo Fisher Scientific, Inc. has disclosed to the SEC on Form 8-K.
- Earnings and performanceOct 21, 2026
On October 21, 2026, the Registrant announced its financial results for the fiscal quarter ended September 26, 2026. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.
- Equity activityFeb 12, 2026
The sale of the Notes was made pursuant to the terms of an Underwriting Agreement, which the Company entered into on February 9, 2026, with Deutsche Bank Securities Inc., RBC Capital Markets, LLC, SMBC Nikko Securities America, Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters.
- Executive leadershipJan 12, 2026
Gianluca Pettiti, currently an Executive Vice President, will be promoted and transition to the role of President and Chief Operating Officer. Also, as of that date, Michael Shafer, currently an Executive Vice President, will be promoted to an expanded role and will report directly to the Chief Executive Officer.
- Equity activityDec 1, 2025
The sale of the Securities was made pursuant to the terms of an Underwriting Agreement, dated November 24, 2025, among Thermo Fisher International, as issuer, the Company, as parent guarantor, and Barclays Bank PLC, BNP PARIBAS, HSBC Continental Europe Morgan Stanley & Co. International plc, as lead managers of the several underwriters.
- Deal agreementsOct 29, 2025
On October 29, 2025, Thermo Fisher Scientific Inc. ("Thermo Fisher") issued a press release announcing the execution of a definitive agreement to acquire Clario Holdings, Inc. ("Clario") for approximately $8.875 billion in cash at the closing of the transaction, with an additional $125 million in deferred consideration and up to $400 million in contingent consideration to be payable following the closing. The transaction is expected to be completed by the middle of 2026 and is subject to customary closing conditions and regulatory approvals.
Dividend history and stock splits
Thermo Fisher Scientific, Inc.'s recent dividend payments and stock splits.
Dividends
- $0.47ex-div Sep 15, 2026
- $0.47ex-div Jun 15, 2026
- $0.47ex-div Mar 13, 2026
- $0.43ex-div Dec 15, 2025
Splits
No recent splits.
TMO short interest
How heavily TMO is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 2.1
- Short interest
- 5.41M
- Avg volume
- 2.61M
As of · reported to FINRA twice monthly.
TMO news
The latest news and headlines about Thermo Fisher Scientific, Inc. (TMO).
- Company News for Oct 22, 2026positiveZacks Investment Research· Oct 22, 2026
- Thermo Fisher Scientific: 3 Key Takeaways for Long-Term InvestorspositiveThe Motley Fool· Oct 21, 2026
- Thermo Fisher Scientific (TMO) Tops Q3 Earnings and Revenue EstimatespositiveZacks Investment Research· Oct 21, 2026
- Why Thermo Fisher (TMO) Could Beat Earnings Estimates AgainpositiveZacks Investment Research· Oct 20, 2026
- Forge’s Fierce Life Sciences Announces 2026 Fierce Innovation Awards Finalists and Unveils the Fierce Vanguard GalapositiveGlobeNewswire Inc.· Oct 19, 2026
Frequently asked questions
What is the Thermo Fisher Scientific, Inc. (TMO) stock price today?
Thermo Fisher Scientific, Inc. (TMO) is trading at $673.82 (-0.40% on the day) as of 7:30:04 PM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is Thermo Fisher Scientific, Inc.?
Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of year-end 2025 (revenue figures include some cross-segment revenue): analytical technologies (17% of…
What is the short interest in TMO?
As of Sep 30, 2026, TMO has 5.41M shares short and 2.1 days to cover.
Does Thermo Fisher Scientific, Inc. (TMO) pay a dividend?
Yes. Thermo Fisher Scientific, Inc. (TMO)'s most recent dividend was $0.47 per share, with an ex-dividend date of Sep 15, 2026. Full TMO dividend history is available from the Massive API.
What exchange is TMO listed on?
Thermo Fisher Scientific, Inc. (TMO) trades on NYSE in USD, in the MEASURING & CONTROLLING DEVICES, NEC industry.
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