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Side-by-side financial comparison of Charles River Laboratories (CRL) and Vertex Pharmaceuticals (VRTX). Click either name above to swap in a different company.

Vertex Pharmaceuticals is the larger business by last-quarter revenue ($3.2B vs $994.2M, roughly 3.2× Charles River Laboratories). Vertex Pharmaceuticals runs the higher net margin — 37.3% vs -27.8%, a 65.2% gap on every dollar of revenue. On growth, Vertex Pharmaceuticals posted the faster year-over-year revenue change (9.5% vs -0.8%). Vertex Pharmaceuticals produced more free cash flow last quarter ($348.6M vs $58.6M). Over the past eight quarters, Vertex Pharmaceuticals's revenue compounded faster (8.9% CAGR vs -0.9%).

Charles River Laboratories International, Inc. is an American pharmaceutical and biotechnology contract research organisation (CRO) headquartered in Wilmington, Massachusetts, United States. Founded in 1947, the company provides preclinical and clinical laboratory services for the development of new drugs, vaccines, and medical devices.

Vertex Pharmaceuticals Incorporated is an American biopharmaceutical company based in Boston, Massachusetts. It was one of the first biotech firms to use an explicit strategy of rational drug design rather than combinatorial chemistry. It maintains headquarters in Boston, Massachusetts, and three research facilities, in San Diego, California, and Milton Park, Oxfordshire, England.

CRL vs VRTX — Head-to-Head

Bigger by revenue
VRTX
VRTX
3.2× larger
VRTX
$3.2B
$994.2M
CRL
Growing faster (revenue YoY)
VRTX
VRTX
+10.4% gap
VRTX
9.5%
-0.8%
CRL
Higher net margin
VRTX
VRTX
65.2% more per $
VRTX
37.3%
-27.8%
CRL
More free cash flow
VRTX
VRTX
$290.0M more FCF
VRTX
$348.6M
$58.6M
CRL
Faster 2-yr revenue CAGR
VRTX
VRTX
Annualised
VRTX
8.9%
-0.9%
CRL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CRL
CRL
VRTX
VRTX
Revenue
$994.2M
$3.2B
Net Profit
$-276.6M
$1.2B
Gross Margin
85.4%
Operating Margin
-28.5%
37.8%
Net Margin
-27.8%
37.3%
Revenue YoY
-0.8%
9.5%
Net Profit YoY
-28.9%
30.5%
EPS (diluted)
$-5.57
$4.64

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CRL
CRL
VRTX
VRTX
Q4 25
$994.2M
$3.2B
Q3 25
$1.0B
$3.1B
Q2 25
$1.0B
$3.0B
Q1 25
$984.2M
$2.8B
Q4 24
$1.0B
$2.9B
Q3 24
$1.0B
$2.8B
Q2 24
$1.0B
$2.6B
Q1 24
$1.0B
$2.7B
Net Profit
CRL
CRL
VRTX
VRTX
Q4 25
$-276.6M
$1.2B
Q3 25
$54.4M
$1.1B
Q2 25
$52.3M
$1.0B
Q1 25
$25.5M
$646.3M
Q4 24
$-214.5M
$913.0M
Q3 24
$69.7M
$1.0B
Q2 24
$94.1M
$-3.6B
Q1 24
$73.0M
$1.1B
Gross Margin
CRL
CRL
VRTX
VRTX
Q4 25
85.4%
Q3 25
86.5%
Q2 25
86.3%
Q1 25
86.9%
Q4 24
85.5%
Q3 24
34.6%
85.8%
Q2 24
34.5%
85.9%
Q1 24
34.1%
87.3%
Operating Margin
CRL
CRL
VRTX
VRTX
Q4 25
-28.5%
37.8%
Q3 25
13.3%
38.6%
Q2 25
9.7%
38.8%
Q1 25
7.6%
22.7%
Q4 24
-16.7%
35.2%
Q3 24
11.6%
40.3%
Q2 24
14.8%
-132.9%
Q1 24
12.5%
42.4%
Net Margin
CRL
CRL
VRTX
VRTX
Q4 25
-27.8%
37.3%
Q3 25
5.4%
35.2%
Q2 25
5.1%
34.8%
Q1 25
2.6%
23.3%
Q4 24
-21.4%
31.4%
Q3 24
6.9%
37.7%
Q2 24
9.2%
-135.8%
Q1 24
7.2%
40.9%
EPS (diluted)
CRL
CRL
VRTX
VRTX
Q4 25
$-5.57
$4.64
Q3 25
$1.10
$4.20
Q2 25
$1.06
$3.99
Q1 25
$0.50
$2.49
Q4 24
$-4.17
$3.62
Q3 24
$1.33
$4.01
Q2 24
$1.74
$-13.92
Q1 24
$1.30
$4.21

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CRL
CRL
VRTX
VRTX
Cash + ST InvestmentsLiquidity on hand
$213.8M
$6.6B
Total DebtLower is stronger
$2.1B
Stockholders' EquityBook value
$3.2B
$18.7B
Total Assets
$7.1B
$25.6B
Debt / EquityLower = less leverage
0.68×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
VRTX
VRTX
Q4 25
$213.8M
$6.6B
Q3 25
$207.1M
$6.3B
Q2 25
$182.8M
$6.4B
Q1 25
$229.4M
$6.2B
Q4 24
$194.6M
$6.1B
Q3 24
$210.2M
$6.5B
Q2 24
$179.2M
$5.8B
Q1 24
$327.0M
$10.2B
Total Debt
CRL
CRL
VRTX
VRTX
Q4 25
$2.1B
Q3 25
$2.2B
Q2 25
$2.3B
Q1 25
$2.5B
Q4 24
$2.2B
Q3 24
$2.3B
Q2 24
$2.4B
Q1 24
$2.7B
Stockholders' Equity
CRL
CRL
VRTX
VRTX
Q4 25
$3.2B
$18.7B
Q3 25
$3.4B
$17.3B
Q2 25
$3.4B
$17.2B
Q1 25
$3.2B
$16.5B
Q4 24
$3.5B
$16.4B
Q3 24
$3.8B
$15.6B
Q2 24
$3.7B
$14.8B
Q1 24
$3.6B
$18.5B
Total Assets
CRL
CRL
VRTX
VRTX
Q4 25
$7.1B
$25.6B
Q3 25
$7.5B
$24.9B
Q2 25
$7.6B
$24.0B
Q1 25
$7.6B
$22.9B
Q4 24
$7.5B
$22.5B
Q3 24
$8.0B
$22.2B
Q2 24
$7.9B
$20.1B
Q1 24
$8.2B
$23.9B
Debt / Equity
CRL
CRL
VRTX
VRTX
Q4 25
0.68×
Q3 25
0.64×
Q2 25
0.70×
Q1 25
0.79×
Q4 24
0.65×
Q3 24
0.62×
Q2 24
0.65×
Q1 24
0.73×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CRL
CRL
VRTX
VRTX
Operating Cash FlowLast quarter
$147.5M
$498.0M
Free Cash FlowOCF − Capex
$58.6M
$348.6M
FCF MarginFCF / Revenue
5.9%
10.9%
Capex IntensityCapex / Revenue
8.9%
4.7%
Cash ConversionOCF / Net Profit
0.42×
TTM Free Cash FlowTrailing 4 quarters
$518.5M
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
VRTX
VRTX
Q4 25
$147.5M
$498.0M
Q3 25
$213.8M
$1.2B
Q2 25
$204.6M
$1.1B
Q1 25
$171.7M
$818.9M
Q4 24
$159.4M
$584.6M
Q3 24
$251.8M
$1.4B
Q2 24
$193.5M
$-3.8B
Q1 24
$129.9M
$1.3B
Free Cash Flow
CRL
CRL
VRTX
VRTX
Q4 25
$58.6M
$348.6M
Q3 25
$178.2M
$1.1B
Q2 25
$169.3M
$927.4M
Q1 25
$112.4M
$778.2M
Q4 24
$83.7M
$492.0M
Q3 24
$213.1M
$1.3B
Q2 24
$154.0M
$-3.8B
Q1 24
$50.7M
$1.2B
FCF Margin
CRL
CRL
VRTX
VRTX
Q4 25
5.9%
10.9%
Q3 25
17.7%
37.0%
Q2 25
16.4%
31.3%
Q1 25
11.4%
28.1%
Q4 24
8.4%
16.9%
Q3 24
21.1%
47.0%
Q2 24
15.0%
-144.5%
Q1 24
5.0%
46.0%
Capex Intensity
CRL
CRL
VRTX
VRTX
Q4 25
8.9%
4.7%
Q3 25
3.5%
3.3%
Q2 25
3.4%
4.9%
Q1 25
6.0%
1.5%
Q4 24
7.5%
3.2%
Q3 24
3.8%
2.4%
Q2 24
3.8%
2.6%
Q1 24
7.8%
2.5%
Cash Conversion
CRL
CRL
VRTX
VRTX
Q4 25
0.42×
Q3 25
3.93×
1.15×
Q2 25
3.91×
1.04×
Q1 25
6.74×
1.27×
Q4 24
0.64×
Q3 24
3.61×
1.31×
Q2 24
2.06×
Q1 24
1.78×
1.19×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CRL
CRL

Discovery And Safety Assessment Segment$591.6M60%
Manufacturing Support Segment$196.4M20%
Transferred At Point In Time$108.0M11%
Transferred Over Time$98.3M10%

VRTX
VRTX

TRIKAFTAKAFTRIO$2.6B81%
ALYFTREK$380.1M12%
Manufactured Product Other$237.4M7%

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