Icon plc [ICLR] vs Thermo Fisher [TMO] Detailed Stock Comparison

Icon plc

NASDAQ
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Thermo Fisher Scientific Inc.

NYSE
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TLDR: Quick Comparison Summary

Based on 21 vital metrics comparison: Icon plc wins in 6 metrics, Thermo Fisher Scientific Inc. wins in 13 metrics, with 0 ties. Thermo Fisher Scientific Inc. appears stronger overall.

View Metrics Details

Vital Metrics Comparison

Metric Icon plc Thermo Fisher Scientific Inc. Better
P/E Ratio (TTM) 15.52 25.84 Icon plc
Price-to-Book Ratio 0.94 3.31 Icon plc
Debt-to-Equity Ratio 38.26 82.91 Icon plc
PEG Ratio -0.16 2.29 Thermo Fisher Scientific Inc.
EV/EBITDA 7.82 19.02 Icon plc
Profit Margin (TTM) 7.40% 15.15% Thermo Fisher Scientific Inc.
Operating Margin (TTM) 12.67% 17.89% Thermo Fisher Scientific Inc.
EBITDA Margin (TTM) 12.67% 17.89% Thermo Fisher Scientific Inc.
Return on Equity 6.27% 13.52% Thermo Fisher Scientific Inc.
Return on Assets (TTM) 4.20% 5.00% Thermo Fisher Scientific Inc.
Free Cash Flow (TTM) $1.12B $6.29B Thermo Fisher Scientific Inc.
Dividend Yield N/A 0.38% N/A
1-Year Return 0.36% 16.53% Thermo Fisher Scientific Inc.
Price-to-Sales Ratio (TTM) 1.11 3.86 Icon plc
Enterprise Value $11.90B $214.76B Thermo Fisher Scientific Inc.
EV/Revenue Ratio 1.47 4.75 Icon plc
Gross Profit Margin (TTM) 27.14% N/A N/A
Revenue per Share (TTM) $102 $120 Thermo Fisher Scientific Inc.
Earnings per Share (Diluted) $7.42 $18.18 Thermo Fisher Scientific Inc.
Beta (Stock Volatility) 1.28 0.97 Thermo Fisher Scientific Inc.
Short % of Float 3.82% 1.22% Thermo Fisher Scientific Inc.

Icon plc vs Thermo Fisher Scientific Inc. Stock Performance Analysis

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ICLR
TMO

Performance Comparison

Short-term Returns

Stock1D1W1M3M6MYTD
Icon plc1.05%-2.97%26.93%51.34%-19.88%-21.70%
Thermo Fisher Scientific Inc.0.93%0.87%8.07%0.79%-17.74%-20.05%

Long-term Returns

Stock1Y3Y5Y10Y15Y20Y
Icon plc0.36%-37.56%-31.10%128.30%504.05%1,004.91%
Thermo Fisher Scientific Inc.16.53%-12.65%-2.72%220.94%654.32%1,231.84%

Performance & Financial Health Analysis: Icon plc vs Thermo Fisher Scientific Inc.

MetricICLRTMO
Market Information
Market Cap i$8.98B$174.55B
Market Cap CategoryMid capLarge cap
10 Day Avg. Volume i968,1912,356,220
90 Day Avg. Volume i934,8602,071,517
Last Close$147.72$473.72
52 Week Range$66.57 - $211.00$385.46 - $643.99
% from 52W High-29.99%-26.44%
All-Time High$347.72 (Jul 15, 2024)$672.34 (Dec 27, 2021)
% from All-Time High-57.52%-29.54%
Growth Metrics
Quarterly Revenue Growth0.01%0.06%
Quarterly Earnings Growth-0.99%0.10%
Financial Health
Profit Margin (TTM) i0.07%0.15%
Operating Margin (TTM) i0.13%0.18%
Return on Equity (TTM) i0.06%0.14%
Debt to Equity (MRQ) i38.2682.91
Cash & Liquidity
Book Value per Share (MRQ)$122.25$141.96
Cash per Share (MRQ)$6.14$8.75
Operating Cash Flow (TTM) i$1.14B$8.29B
Levered Free Cash Flow (TTM) i$925.35M$5.51B
Dividends
Last 12-Month Dividend Yield iN/A0.38%
Last 12-Month Dividend iN/A$1.76

Valuation & Enterprise Metrics Analysis: Icon plc vs Thermo Fisher Scientific Inc.

MetricICLR (Apr 23, 2026)TMO (Apr 26, 2026)
Price Ratios
P/E Ratio (TTM) i15.5225.84
Forward P/E i9.4217.16
PEG Ratio i-0.162.29
Price to Sales (TTM) i1.113.86
Price to Book (MRQ) i0.943.31
Market Capitalization
Market Capitalization i$8.98B$174.55B
Enterprise Value i$11.90B$214.76B
Enterprise Value Metrics
Enterprise to Revenue i1.474.75
Enterprise to EBITDA i7.8219.02
Risk & Other Metrics
Beta i1.280.97
Book Value per Share (MRQ) i$122.25$141.96

Financial Statements Comparison: Icon plc vs Thermo Fisher Scientific Inc.

Financial Metrics

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Revenue

Operating Margin

Profit Margin

Long Term Debt

Income Flow Analysis

Financial Statements Comparison

Income Statement

MetricICLR (2024)TMO (2025)
Revenue/Sales i8.28B44.56B
Cost of Goods Sold i5.85B26.32B
COGS % of Revenue i70.6%59.1%
Gross Profit i2.44B18.24B
Gross Margin i29.4%40.9%
Research & Development iN/A1.40B
Operating Income (EBIT) i1.22B8.11B
Operating Margin i14.7%18.2%
EBITDA i1.69B11.86B
EBITDA Margin i20.4%26.6%
Pre-Tax Income i869.18M7.31B
Pre-Tax Income % of Revenue i10.5%16.4%
Income Tax i77.71M547.00M
Income Tax % of Revenue i0.9%1.2%
Net Income (Profit) i791.47M6.72B
Profit Margin i9.6%15.1%

Balance Sheet & Liquidity Metrics

MetricICLR (2024)TMO (2025)
Cash & Equivalents i538.79M9.85B
Total Current Assets i3.53B28.71B
Total Current Assets % of Revenue i42.6%64.4%
Total Current Liabilities i2.80B15.19B
Total Current Liabilities % of Revenue i33.8%34.1%
Long-Term Debt i3.54B35.85B
Long-Term Debt % of Revenue i42.7%80.5%
Total Shareholders Equity i9.52B53.54B
Retained Earnings i2.72B59.16B
Retained Earnings % of Revenue i32.9%132.8%
Property, Plant & Equipment i202.71M0

Cash Flow Statement Comparison

MetricICLR (2024)TMO (2025)
Operating Cash Flow i1.26B7.82B
Operating Cash Flow % of Revenue i15.3%17.5%
Capital Expenditures i-168.06M-1.48B
Free Cash Flow i1.12B6.29B
FCF Margin i13.5%14.1%
Debt Repayment i-2.68B-3.51B
Common Stock Repurchase i-500.00M-3.00B

Short Interest & Institutional Ownership Analysis

MetricICLRTMO
Shares Short i2.90M4.54M
Short Ratio i2.722.38
Short % of Float i3.82%1.22%
Shares Outstanding i76.36M371.62M
Float Shares i75.95M371.07M
% Held by Insiders i0.67%0.17%
% Held by Institutions i112.17%95.23%
% Held by Public i-12.84%4.60%

Dividend Analysis & Yield Comparison: Icon plc vs Thermo Fisher Scientific Inc.

MetricICLRTMO
Last 12-Month Dividend iN/A$1.76
Last 12-Month Dividend Yield iN/A0.38%
3-Year Avg Annual Dividend iN/A$1.60
3-Year Avg Dividend Yield iN/A0.08%
3-Year Total Dividends iN/A$4.80
Ex-Dividend DateN/AMar 13, 2026