Thermo Fisher Scientific (TMO)
Health Care5 articles
Price chart
Why is TMO moving today?
+3.5%TMO is +3.5% today, a large move, and no story about it reached the feed in the last 24 hours. Large moves without a headline are common: index flows, options positioning, a peer's report or a sector rotation can all do it. We do not invent a reason.
What this does not prove. A story on the same day is evidence of timing, not of cause: it explains a move only if it accounts for the size and the direction, and most single-stock moves carry a sector or index component too. Nothing here is a forecast.
Source: Yahoo Finance - quote as of 14 hours ago
Thermo Fisher Scientific (TMO) overview
Thermo Fisher Scientific is a leading supplier of laboratory instruments, reagents, and life-science services.
TMO is a member of the S&P 500. It sits in the Health Care sector. That sector covers pharmaceutical, biotech, device and managed-care companies.
Thermo Fisher Scientific trades on the NYSE under the ticker symbol TMO. The most recent market data puts the share price at about $696.49. That is up 3.46% on the session. At that price the company is worth roughly $257.53B.
Over the past 52 weeks, TMO has traded between $435.27 and $704.00. Shares change hands at a trailing price-to-earnings (P/E) ratio of about 37.5. The P/E ratio sets the share price against a year of earnings. A higher number means the market is paying more for each dollar the company earns. TMO also pays a dividend. It yields around 0.27% at the current price.
Key statistics
Source: Yahoo Finance - quote as of 14 hours ago
Informational only, not financial advice. Content is AI-generated and may contain errors. How this works.
Why investors watch TMO
TMO is one of the larger names in the Health Care sector, so investors follow it closely. It tends to move with the rest of the sector. This page sums up each TMO story as it breaks, and tags it bullish, bearish or neutral.
Size matters here as well. The S&P 500 is weighted by market value. TMO is large enough that its own share price nudges the whole index. So it is worth watching even for investors who only hold index funds.
What moves TMO
- Earnings. TMO reports results four times a year. A surprise against the estimate tends to move the stock that day.
- Analyst calls. Upgrades, downgrades and new price targets change what the market expects from TMO.
- Sector news. Health Care stocks often move together, so a rival's news can move TMO too.
- Index weight. TMO is big enough to move the S&P 500 on its own.
Market Mood
Latest TMO news
Thermo Fisher (TMO) CEO Marc Casper Sells $8.6M in Stock
Marc Casper, the chairman and CEO of Thermo Fisher Scientific Inc. (TMO), sold $8.6 million worth of company stock. This sale comes amidst ongoing trading activity by executives, which often attracts investor scrutiny. Significant stock sales by company leaders can influence market perceptions and investor confidence. Understanding these transactions helps investors assess potential impacts on Thermo Fisher's market performance.
Read More: Thermo Fisher (TMO) CEO Marc Casper Sells $8.6M in Stock
Thermo Fisher (TMO) CEO Casper sells $8.6M in stock options
Thermo Fisher Scientific CEO Marc Casper sold $8.6 million worth of stock and exercised options. This transaction involved the sale of approximately 39,000 shares at an average price of $220.61. Such stock sales can indicate a shift in management's confidence or financial strategy, potentially impacting investor sentiment. Transparency in insider transactions is crucial for investors considering the company's future performance. This matters for ordinary investors as CEO stock sales can influence market perceptions of company stability and growth potential.
Read More: Thermo Fisher (TMO) CEO Casper sells $8.6M in stock options
Thermo Fisher (TMO) Senior VP Lisa Britt Sells $3.39M in Shares
Lisa Britt, Senior Vice President at Thermo Fisher Scientific (TMO), sold $3.39 million worth of shares. This transaction indicates activity by a key executive within the company, which could influence investor perceptions. The sale's timing and amount might prompt analysis from market participants regarding the company's future performance and executive sentiment. Movements in insider trading can potentially impact stock prices and investor confidence.
Read More: Thermo Fisher (TMO) Senior VP Lisa Britt Sells $3.39M in Shares
Thermo Fisher Scientific Inc. (TMO) Form 144 Filed on May 27
Thermo Fisher Scientific Inc. (TMO) filed Form 144 on May 27 regarding the sale of shares. Form 144 is generally used by insiders to notify the SEC of their intent to sell shares. This filing can indicate potential stock movement, affecting investor perception. The specific number of shares or executives involved was not disclosed, but such events are monitored closely by market participants.
Read More: Thermo Fisher Scientific Inc. (TMO) Form 144 Filed on May 27
Thermo Fisher Completes $8.875 Billion Acquisition of Clario Holdings
On March 24, 2026, Thermo Fisher Scientific Inc. announced the completion of its acquisition of Clario Holdings, Inc. for $8.875 billion in cash, with additional performance-dependent earnouts. The Clario business will enhance Thermo Fisher's Laboratory Products and Biopharma Services segment. It is projected to contribute $0.45 to adjusted EPS in its first year and generate approximately $175 million in adjusted operating income from synergies by year five. This acquisition is expected to drive high single-digit growth in Clario’s business and improve operating margins for Thermo Fisher.
Read More: Thermo Fisher Completes $8.875 Billion Acquisition of Clario HoldingsMore Health Care stocks
Frequently asked questions
Is Thermo Fisher Scientific in the S&P 500?
Yes. Thermo Fisher Scientific trades as TMO and is a member of the S&P 500. The index lists it in the Health Care sector.
What sector is TMO in?
TMO sits in the Health Care sector of the S&P 500.
Where can I find the latest TMO news?
Right here. This page collects recent TMO news and market analysis. Every story gets an AI summary and a bullish, bearish or neutral tag.
What is Thermo Fisher Scientific's stock price?
TMO last traded at about $696.49. Prices move all through the session, so this is the latest quote rather than a live one.
What is Thermo Fisher Scientific's market cap?
TMO is worth roughly $257.53B. Market cap is the share price times the number of shares outstanding.
What is TMO's P/E ratio?
TMO trades at a trailing P/E ratio of about 37.5. The ratio compares the share price with earnings per share over the past year.
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