Thermo Fisher Scientific Inc. (TMO) Key Metrics

NYSE: TMOValuation, returns, debt and efficiency ratios over 10 years.

TMO valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$255.13B
Enterprise value
$284.48B
P/E (TTM)
37.1
10-yr median 31.9
Forward P/E
24.2
PEG ratio
1.98
Price / sales
5.5
10-yr median 4.8
Price / book
4.7
10-yr median 4.2
EV / EBITDA
23.6
10-yr median 20.0
Dividend yield
0.27%
$1.88 a year
Beta
0.88

TMO key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

TMO valuation Price multiples at each fiscal year-end price.

P/E ratio+3.1%
32.4
2025 · hover or tap a bar for each year
2016: 27.7 (−3.9%)2017: 34.0 (+22.5%)2018: 30.9 (−8.9%)2019: 35.4 (+14.5%)2020: 29.2 (−17.7%)2021: 34.3 (+17.6%)2022: 31.2 (−9.0%)2023: 34.4 (+10.0%)2024: 31.5 (−8.4%)2025: 32.4 (+3.1%)
20162025
Price / sales+5.5%
4.9
2025 · hover or tap a bar for each year
2016: 3.1 (−8.7%)2017: 3.6 (+17.7%)2018: 3.7 (+3.2%)2019: 5.1 (+37.4%)2020: 5.8 (+12.5%)2021: 6.8 (+17.1%)2022: 4.8 (−28.5%)2023: 4.8 (−0.5%)2024: 4.6 (−3.3%)2025: 4.9 (+5.5%)
20162025
Price / book+1.8%
4.1
2025 · hover or tap a bar for each year
2016: 2.6 (−2.5%)2017: 3.0 (+14.2%)2018: 3.3 (+10.8%)2019: 4.4 (+34.0%)2020: 5.4 (+22.1%)2021: 6.5 (+20.6%)2022: 4.9 (−24.0%)2023: 4.4 (−10.7%)2024: 4.0 (−8.8%)2025: 4.1 (+1.8%)
20162025
EV / EBITDA+12.6%
21.6
2025 · hover or tap a bar for each year
2016: 16.9 (−1.0%)2017: 18.8 (+11.4%)2018: 17.4 (−7.7%)2019: 20.9 (+20.4%)2020: 19.6 (−6.4%)2021: 24.8 (+26.5%)2022: 20.5 (−17.4%)2023: 34.2 (+66.8%)2024: 19.2 (−43.8%)2025: 21.6 (+12.6%)
20162025
Price / free cash flow+26.6%
34.7
2025 · hover or tap a bar for each year
2016: 20.7 (−13.2%)2017: 21.6 (+4.5%)2018: 24.0 (+11.1%)2019: 32.4 (+34.8%)2020: 27.3 (−15.7%)2021: 37.7 (+38.4%)2022: 31.4 (−16.8%)2023: 29.7 (−5.3%)2024: 27.4 (−7.8%)2025: 34.7 (+26.6%)
20162025
Free cash flow yield−0.8 pts
2.9%
2025 · hover or tap a bar for each year
2016: 4.8% (+0.6 pts)2017: 4.6% (−0.2 pts)2018: 4.2% (−0.5 pts)2019: 3.1% (−1.1 pts)2020: 3.7% (+0.6 pts)2021: 2.7% (−1.0 pts)2022: 3.2% (+0.5 pts)2023: 3.4% (+0.2 pts)2024: 3.6% (+0.3 pts)2025: 2.9% (−0.8 pts)
20162025

TMO valuation history

Fiscal year-endToday10-year median

TMO returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

TMO debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

TMO cash returned to shareholders

DividendsBuybacksFree cash flow

TMO price vs earnings per share

Share price at year-endEPS (right axis)

TMO key metrics

2016–2025
Thermo Fisher Scientific Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$218.45B$199.25B$205.95B$216.97B$264.89B$185.85B$130.92B$90.86B$75.57B$56.07B
Enterprise value$247.73B$226.44B$234.29B$244.52B$296.76B$198.07B$147.01B$107.75B$95.25B$71.92B
P/E ratio32.431.534.431.234.329.235.430.934.027.7
Price / sales4.94.64.84.86.85.85.13.73.63.1
Price / book4.14.04.44.96.55.44.43.33.02.6
Price / free cash flow34.727.429.731.437.727.332.424.021.620.7
Price / operating cash flow27.923.024.523.727.822.426.320.018.917.8
EV / sales5.65.35.55.47.66.15.84.44.63.9
EV / EBITDA21.619.234.220.524.819.620.917.418.816.9
EV / free cash flow39.431.233.835.442.329.136.328.527.226.5
Earnings yield3.1%3.2%2.9%3.2%2.9%3.4%2.8%3.2%2.9%3.6%
Free cash flow yield2.9%3.6%3.4%3.2%2.7%3.7%3.1%4.2%4.6%4.8%
Dividend yield0.3%0.3%0.3%0.2%0.1%0.2%0.2%0.3%0.3%0.4%
Shareholder yield (dividends + buybacks)1.7%2.3%1.7%1.6%0.9%1.0%1.4%0.8%1.3%2.7%
Share price at fiscal year-end$579.45$520.23$530.79$550.69$667.24$465.78$324.87$223.79$189.88$141.10
Per share
Revenue per share$118.19$111.96$110.46$114.00$98.77$80.75$63.38$60.00$52.56$45.98
Earnings per share$17.87$16.54$15.45$17.64$19.46$15.98$9.17$7.24$5.59$5.09
Operating cash flow per share$20.74$22.63$21.66$23.23$24.04$20.77$12.34$11.19$10.06$7.94
Free cash flow per share$16.69$18.97$17.85$17.54$17.68$17.08$10.04$9.32$8.79$6.82
Cash per share$26.80$14.57$20.83$21.63$11.28$25.88$5.95$5.18$3.35$1.98
Book value per share$141.66$129.46$120.45$111.62$102.75$86.48$73.64$67.95$63.85$54.20
Tangible book value per share−$31.28−$30.81−$35.97−$37.30−$53.59−$10.57−$24.95−$31.38−$41.61−$34.62
Dividends per share$1.69$1.52$1.35$1.15$0.99$0.84$0.74$0.66$0.60$0.60
Capex per share$4.05$3.66$3.81$5.69$6.36$3.69$2.30$1.87$1.28$1.12
Debt per share$104.47$85.57$93.88$91.56$91.53$56.50$45.88$46.77$52.78$41.84
Shares outstanding377.0M383.0M388.0M394.0M397.0M399.0M403.0M406.0M398.0M397.4M
Change in shares outstanding−1.6%−1.3%−1.5%−0.8%−0.5%−1.0%−0.7%+2.0%+0.2%−1.1%
Returns & profitability
Return on equity (ROE)13.1%13.2%13.2%16.4%20.5%19.9%12.9%11.1%9.5%9.4%
Return on invested capital (ROIC)9.4%9.1%9.4%10.7%15.1%15.1%8.6%7.8%7.3%8.1%
Return on assets (ROA)6.5%6.5%6.1%7.2%9.4%10.0%6.4%5.2%4.3%4.7%
Return on tangible assets14.9%17.6%15.8%18.1%23.4%21.0%19.8%18.5%15.1%19.1%
Free cash flow margin14.1%16.9%16.2%15.4%17.9%21.2%15.8%15.5%16.7%14.8%
Income quality (OCF / net income)1.161.371.401.321.241.301.351.551.801.56
Financial health
Total debt$39.38B$32.77B$36.42B$36.07B$36.34B$22.55B$18.49B$18.99B$21.01B$16.63B
Cash & short-term investments$10.11B$5.58B$8.08B$8.52B$4.48B$10.32B$2.40B$2.10B$1.33B$786.0M
Net debt$29.28B$27.20B$28.34B$27.55B$31.86B$12.22B$16.09B$16.89B$19.67B$15.84B
Debt / equity0.740.660.780.820.890.650.620.690.830.77
Debt / assets0.360.340.370.370.380.330.320.340.370.36
Net debt / EBITDA2.552.304.132.312.661.212.292.733.893.73
Current ratio1.891.661.751.481.502.131.921.731.341.44
Quick ratio1.531.291.391.151.121.741.381.240.920.99
Interest coverage5.74.65.011.719.214.36.35.85.56.1
Working capital$13.52B$8.80B$10.58B$8.22B$6.68B$11.65B$5.70B$4.48B$2.37B$2.15B
Invested capital$82.69B$76.78B$75.08B$71.53B$72.66B$46.73B$45.77B$44.47B$45.09B$37.38B
Tangible asset value−$11.66B−$11.71B−$13.85B−$14.53B−$21.09B−$4.21B−$10.05B−$12.74B−$16.56B−$13.76B
Net current asset value−$28.10B−$25.51B−$27.30B−$27.78B−$34.03B−$12.58B−$16.81B−$18.02B−$21.84B−$17.35B
Graham number$238.66$219.50$204.63$210.48$212.10$176.32$123.27$105.18$89.62$78.77
Graham net-net per share−$95.66−$84.49−$87.65−$87.80−$101.85−$43.46−$51.88−$53.19−$64.14−$50.80
Capital allocation
Dividends paid$636.0M$583.0M$523.0M$455.0M$395.0M$337.0M$297.0M$266.0M$237.0M$238.4M
Share buybacks (net)$3.00B$4.00B$3.00B$3.00B$2.00B$1.50B$1.50B$500.0M$750.0M$1.25B
Dividend payout ratio9.4%9.2%8.7%6.5%5.1%5.3%8.0%9.1%10.7%11.8%
Dividends + buybacks / free cash flow57.8%63.1%50.9%50.0%34.1%27.0%44.4%20.2%28.2%54.9%
Capex / revenue3.4%3.3%3.5%5.0%6.4%4.6%3.6%3.1%2.4%2.4%
Capex / operating cash flow19.5%16.2%17.6%24.5%26.4%17.8%18.6%16.7%12.7%14.1%
Capex / depreciation0.550.450.430.660.970.630.410.330.250.25
Stock-based compensation / revenue0.7%0.7%0.6%0.7%0.6%0.6%0.7%0.7%0.8%0.7%
R&D / revenue3.1%3.2%3.1%3.3%3.6%3.7%3.9%4.0%4.2%4.1%
SG&A / revenue16.3%20.0%20.1%15.9%17.4%21.5%24.1%24.9%26.3%27.2%
Efficiency
Days sales outstanding82.782.181.374.671.864.768.263.560.455.9
Days of inventory on hand72.173.077.475.384.683.481.981.684.279.2
Days payables outstanding46.543.245.144.047.046.245.441.538.232.9
Cash conversion cycle (days)108.4112.0113.5105.9109.4102.0104.7103.5106.4102.1
Receivables turnover4.414.454.494.895.095.645.355.756.046.53
Payables turnover7.858.458.098.297.777.918.038.799.5511.09
Inventory turnover5.065.004.724.854.314.384.454.474.344.61
Asset turnover0.430.440.440.470.480.510.450.430.410.42
Average receivables$10.10B$9.64B$9.55B$9.19B$7.71B$5.71B$4.77B$4.24B$3.46B$2.80B
Average payables$3.35B$2.98B$3.13B$3.12B$2.52B$2.05B$1.77B$1.52B$1.18B$874.2M
Average inventory$5.20B$5.03B$5.36B$5.34B$4.54B$3.70B$3.19B$2.99B$2.59B$2.10B
Intangibles / total assets59.1%63.1%61.5%60.4%65.3%56.1%68.0%71.7%74.1%76.9%

Computed from TMO's annual financial statements (latest annual report filed February 26, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

TMO valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Thermo Fisher traded at 32.4 times earnings, against a 10-year median of 31.9. Based on the latest twelve months, the trailing P/E is 37.1 and the forward P/E is 24.2. Thermo Fisher earned a return on equity of 13.1% and a return on invested capital of 9.4% in fiscal 2025. It ended the year with $39.4 billion of debt and $10.1 billion in cash and short-term investments, net debt of $29.3 billion. It returned $3.6 billion to shareholders: $636.0 million in dividends and $3.0 billion in share buybacks, 58% of free cash flow. The share count fell 5.1% from 397.4M to 377.0M over 9 years.

See the TMO income statement, the TMO chart for price history, or the TMO stock overview for the latest quote and news.

TMO key metrics FAQ

What is Thermo Fisher's P/E ratio?

Thermo Fisher's trailing P/E ratio is 37.1 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 24.2. At the end of fiscal 2025 it was 32.4, compared with a 10-year median of 31.9.

What is Thermo Fisher's EV/EBITDA?

Thermo Fisher's enterprise value was 21.6 times EBITDA at the end of fiscal 2025 (enterprise value $247.7 billion, EBITDA $11.5 billion); the current EV/EBITDA is 23.6.

What is Thermo Fisher's return on equity?

Thermo Fisher's return on equity (ROE) was 13.1% in fiscal 2025: net income of $6.7 billion on average shareholders' equity of $51.5 billion.

What is Thermo Fisher's ROIC?

Thermo Fisher's return on invested capital was 9.4% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Thermo Fisher have?

Thermo Fisher had total debt of $39.4 billion at the end of fiscal 2025, a debt-to-equity ratio of 0.74 and $29.3 billion of net debt (2.55 times EBITDA).

What is Thermo Fisher's dividend yield?

Thermo Fisher's forward dividend yield is 0.27%. Thermo Fisher paid $636.0 million in dividends in fiscal 2025 ($1.69 per share), a payout ratio of 9.4%.

Does Thermo Fisher buy back its shares?

Yes. Thermo Fisher spent $3.0 billion on net share repurchases in fiscal 2025 Shares outstanding changed −1.6% over the year, to 377.0M..

What is Thermo Fisher's free cash flow yield?

Thermo Fisher generated $6.3 billion of free cash flow in fiscal 2025, a free cash flow yield of 2.9% on its market value at year-end ($218.5 billion).

What is Thermo Fisher's current ratio?

Thermo Fisher's current ratio was 1.89 at the end of fiscal 2025: current assets were 1.89 times current liabilities.

Diagnostics & Research key metrics