About Thermo Fisher Scientific Inc. (TMO)
Thermo Fisher Scientific Inc. is a Diagnostics & Research company operating in the Healthcare sector.
TMO trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $478.12
- Market Cap
- $177.61B
- 52-Week High
- $643.99
- 52-Week Low
- $385.46
- Sector
- Healthcare
- Industry
- Diagnostics & Research
$1,000 Invested in Thermo Fisher Scientific Inc. (TMO)
How much would $1,000 invested in TMO be worth today?
What would $1,000 invested in TMO 1 year ago be worth today?
A $1,000 investment in Thermo Fisher Scientific Inc. (TMO) in 2025 would be worth $927 as of May 2026, representing a -7.3% total return.
What would $1,000 invested in TMO 3 years ago be worth today?
A $1,000 investment in Thermo Fisher Scientific Inc. (TMO) in 2023 would be worth $882 as of May 2026, representing a -11.8% total return.
What would $1,000 invested in TMO 5 years ago be worth today?
A $1,000 investment in Thermo Fisher Scientific Inc. (TMO) in 2021 would be worth $1,095 as of May 2026, representing a +9.5% total return.
What would $1,000 invested in TMO 10 years ago be worth today?
A $1,000 investment in Thermo Fisher Scientific Inc. (TMO) in 2016 would be worth $3,558 as of May 2026, representing a +255.8% total return.
What would $1,000 invested in TMO at IPO be worth today?
A $1,000 investment in Thermo Fisher Scientific Inc. (TMO) at IPO would be worth $285,488 as of May 2026, representing a +28448.8% total return.
DCA vs Lump Sum Calculator
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TMO vs S&P 500
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Monthly Returns Heatmap
Over the past 46+ years (552 months), Thermo Fisher Scientific Inc. (TMO) has averaged a monthly return of +1.43% with a median return of +1.09%. The stock had 308 positive months (56%) and 239 negative months (43%). The best month in TMO's history was January 1983 with a +44.7% return, while the worst was October 1987 at -39.6%. Historically, April tends to be the strongest month (averaging +3.7%), and September the weakest (-0.9%).
TMO's longest winning streak was 12 consecutive months of gains, while its longest losing streak was 7 consecutive months of losses. The best full year was 1983 with a cumulative return of +96.8%, and the worst was 1998 at -75.6%.
Annual Returns
Over 46 years of trading history, Thermo Fisher Scientific Inc. (TMO) has delivered an average annual return of +17.99% with a median return of +14.91%. The compound annual growth rate (CAGR) is +12.42%. The stock posted gains in 29 years (63%) and losses in 17 years (37%).
TMO's best year was 1983 with a +114.63% gain, while the worst was 1998 at -61.51%. The longest streak of consecutive positive years was 7, and the longest losing streak was 3 years. TMO achieved double-digit gains (10%+) in 26 years. It suffered double-digit losses in 10 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | -17.41% | $578.88 | $478.12 |
| 2025 | +11.78% | $517.88 | $578.88 |
| 2024 | -1.72% | $526.96 | $517.88 |
| 2023 | -3.36% | $545.26 | $526.96 |
| 2022 | -17.29% | $659.20 | $545.26 |
| 2021 | +43.54% | $459.25 | $659.20 |
| 2020 | +43.72% | $319.55 | $459.25 |
| 2019 | +45.55% | $219.54 | $319.55 |
| 2018 | +18.21% | $185.72 | $219.54 |
| 2017 | +35.03% | $137.55 | $185.72 |
| 2016 | -0.12% | $137.71 | $137.55 |
| 2015 | +13.75% | $121.06 | $137.71 |
| 2014 | +13.06% | $107.08 | $121.06 |
| 2013 | +75.78% | $60.91 | $107.08 |
| 2012 | +43.17% | $42.55 | $60.91 |
| 2011 | -18.77% | $52.38 | $42.55 |
| 2010 | +16.08% | $45.12 | $52.38 |
| 2009 | +39.98% | $32.23 | $45.12 |
| 2008 | -40.93% | $54.57 | $32.23 |
| 2007 | +27.36% | $42.85 | $54.57 |
| 2006 | +50.32% | $28.51 | $42.85 |
| 2005 | -0.20% | $28.56 | $28.51 |
| 2004 | +19.80% | $23.84 | $28.56 |
| 2003 | +25.25% | $19.04 | $23.84 |
| 2002 | -15.67% | $22.57 | $19.04 |
| 2001 | -6.77% | $24.21 | $22.57 |
| 2000 | +98.33% | $12.21 | $24.21 |
| 1999 | -11.44% | $13.79 | $12.21 |
| 1998 | -61.51% | $35.81 | $13.79 |
| 1997 | +6.67% | $33.57 | $35.81 |
| 1996 | +19.00% | $28.21 | $33.57 |
| 1995 | +73.82% | $16.23 | $28.21 |
| 1994 | +6.85% | $15.19 | $16.23 |
| 1993 | +34.02% | $11.33 | $15.19 |
| 1992 | +1.07% | $11.21 | $11.33 |
| 1991 | +61.47% | $6.95 | $11.21 |
| 1990 | -5.71% | $7.37 | $6.95 |
| 1989 | +51.23% | $4.87 | $7.37 |
| 1988 | +48.62% | $3.28 | $4.87 |
| 1987 | -19.85% | $4.09 | $3.28 |
| 1986 | +26.71% | $3.23 | $4.09 |
| 1985 | +50.94% | $2.14 | $3.23 |
| 1984 | -9.09% | $2.35 | $2.14 |
| 1983 | +114.63% | $1.10 | $2.35 |
| 1982 | -27.65% | $1.51 | $1.10 |
| 1981 | -30.89% | $2.19 | $1.51 |
Frequently Asked Questions: TMO
What sector is TMO in? ▼
TMO operates in the Healthcare sector, specifically in the Diagnostics & Research industry. This sector includes pharmaceutical companies, biotechnology firms, medical device manufacturers, and healthcare providers.
How has TMO performed historically? ▼
Over 46 years of trading history, TMO has posted gains in 29 years (63% of the time). The best year was 1983 with a +114.6% return. Past performance does not guarantee future results.
How can I invest in TMO? ▼
You can invest in TMO through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold TMO.
Last updated: 3/24/2026