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Side-by-side financial comparison of Charles River Laboratories (CRL) and Frontier Group Holdings, Inc. (ULCC). Click either name above to swap in a different company.

Frontier Group Holdings, Inc. is the larger business by last-quarter revenue ($997.0M vs $994.2M, roughly 1.0× Charles River Laboratories). Frontier Group Holdings, Inc. runs the higher net margin — 5.3% vs -27.8%, a 33.1% gap on every dollar of revenue. On growth, Frontier Group Holdings, Inc. posted the faster year-over-year revenue change (-0.5% vs -0.8%). Charles River Laboratories produced more free cash flow last quarter ($58.6M vs $-113.0M). Over the past eight quarters, Frontier Group Holdings, Inc.'s revenue compounded faster (7.4% 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.

Frontier Communications Parent, Inc. is an American telecommunications company with a fiber-optic network and cloud-based services owned by Verizon. It was previously known as Citizens Utilities Co., Citizens Communications Co., and Frontier Communications Corp.

CRL vs ULCC — Head-to-Head

Bigger by revenue
ULCC
ULCC
1.0× larger
ULCC
$997.0M
$994.2M
CRL
Growing faster (revenue YoY)
ULCC
ULCC
+0.3% gap
ULCC
-0.5%
-0.8%
CRL
Higher net margin
ULCC
ULCC
33.1% more per $
ULCC
5.3%
-27.8%
CRL
More free cash flow
CRL
CRL
$171.6M more FCF
CRL
$58.6M
$-113.0M
ULCC
Faster 2-yr revenue CAGR
ULCC
ULCC
Annualised
ULCC
7.4%
-0.9%
CRL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CRL
CRL
ULCC
ULCC
Revenue
$994.2M
$997.0M
Net Profit
$-276.6M
$53.0M
Gross Margin
Operating Margin
-28.5%
4.9%
Net Margin
-27.8%
5.3%
Revenue YoY
-0.8%
-0.5%
Net Profit YoY
-28.9%
-1.9%
EPS (diluted)
$-5.57
$0.24

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
ULCC
ULCC
Q4 25
$994.2M
$997.0M
Q3 25
$1.0B
$886.0M
Q2 25
$1.0B
$929.0M
Q1 25
$984.2M
$912.0M
Q4 24
$1.0B
$1.0B
Q3 24
$1.0B
$935.0M
Q2 24
$1.0B
$973.0M
Q1 24
$1.0B
$865.0M
Net Profit
CRL
CRL
ULCC
ULCC
Q4 25
$-276.6M
$53.0M
Q3 25
$54.4M
$-77.0M
Q2 25
$52.3M
$-70.0M
Q1 25
$25.5M
$-43.0M
Q4 24
$-214.5M
$54.0M
Q3 24
$69.7M
$26.0M
Q2 24
$94.1M
$31.0M
Q1 24
$73.0M
$-26.0M
Gross Margin
CRL
CRL
ULCC
ULCC
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
34.6%
Q2 24
34.5%
Q1 24
34.1%
Operating Margin
CRL
CRL
ULCC
ULCC
Q4 25
-28.5%
4.9%
Q3 25
13.3%
-8.7%
Q2 25
9.7%
-8.1%
Q1 25
7.6%
-5.0%
Q4 24
-16.7%
4.5%
Q3 24
11.6%
2.0%
Q2 24
14.8%
2.6%
Q1 24
12.5%
-3.6%
Net Margin
CRL
CRL
ULCC
ULCC
Q4 25
-27.8%
5.3%
Q3 25
5.4%
-8.7%
Q2 25
5.1%
-7.5%
Q1 25
2.6%
-4.7%
Q4 24
-21.4%
5.4%
Q3 24
6.9%
2.8%
Q2 24
9.2%
3.2%
Q1 24
7.2%
-3.0%
EPS (diluted)
CRL
CRL
ULCC
ULCC
Q4 25
$-5.57
$0.24
Q3 25
$1.10
$-0.34
Q2 25
$1.06
$-0.31
Q1 25
$0.50
$-0.19
Q4 24
$-4.17
$0.24
Q3 24
$1.33
$0.11
Q2 24
$1.74
$0.14
Q1 24
$1.30
$-0.12

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
ULCC
ULCC
Cash + ST InvestmentsLiquidity on hand
$213.8M
$671.0M
Total DebtLower is stronger
$2.1B
$620.0M
Stockholders' EquityBook value
$3.2B
$491.0M
Total Assets
$7.1B
$7.2B
Debt / EquityLower = less leverage
0.68×
1.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
ULCC
ULCC
Q4 25
$213.8M
$671.0M
Q3 25
$207.1M
$566.0M
Q2 25
$182.8M
$563.0M
Q1 25
$229.4M
$686.0M
Q4 24
$194.6M
$740.0M
Q3 24
$210.2M
$576.0M
Q2 24
$179.2M
$658.0M
Q1 24
$327.0M
$622.0M
Total Debt
CRL
CRL
ULCC
ULCC
Q4 25
$2.1B
$620.0M
Q3 25
$2.2B
$673.0M
Q2 25
$2.3B
$565.0M
Q1 25
$2.5B
$512.0M
Q4 24
$2.2B
$507.0M
Q3 24
$2.3B
$474.0M
Q2 24
$2.4B
$455.0M
Q1 24
$2.7B
$469.0M
Stockholders' Equity
CRL
CRL
ULCC
ULCC
Q4 25
$3.2B
$491.0M
Q3 25
$3.4B
$434.0M
Q2 25
$3.4B
$506.0M
Q1 25
$3.2B
$570.0M
Q4 24
$3.5B
$604.0M
Q3 24
$3.8B
$549.0M
Q2 24
$3.7B
$520.0M
Q1 24
$3.6B
$484.0M
Total Assets
CRL
CRL
ULCC
ULCC
Q4 25
$7.1B
$7.2B
Q3 25
$7.5B
$6.7B
Q2 25
$7.6B
$6.5B
Q1 25
$7.6B
$6.5B
Q4 24
$7.5B
$6.2B
Q3 24
$8.0B
$5.8B
Q2 24
$7.9B
$5.7B
Q1 24
$8.2B
$5.2B
Debt / Equity
CRL
CRL
ULCC
ULCC
Q4 25
0.68×
1.26×
Q3 25
0.64×
1.55×
Q2 25
0.70×
1.12×
Q1 25
0.79×
0.90×
Q4 24
0.65×
0.84×
Q3 24
0.62×
0.86×
Q2 24
0.65×
0.88×
Q1 24
0.73×
0.97×

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
ULCC
ULCC
Operating Cash FlowLast quarter
$147.5M
$-91.0M
Free Cash FlowOCF − Capex
$58.6M
$-113.0M
FCF MarginFCF / Revenue
5.9%
-11.3%
Capex IntensityCapex / Revenue
8.9%
2.2%
Cash ConversionOCF / Net Profit
-1.72×
TTM Free Cash FlowTrailing 4 quarters
$518.5M
$-600.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
ULCC
ULCC
Q4 25
$147.5M
$-91.0M
Q3 25
$213.8M
$-215.0M
Q2 25
$204.6M
$-133.0M
Q1 25
$171.7M
$-86.0M
Q4 24
$159.4M
$87.0M
Q3 24
$251.8M
$-156.0M
Q2 24
$193.5M
$9.0M
Q1 24
$129.9M
$-22.0M
Free Cash Flow
CRL
CRL
ULCC
ULCC
Q4 25
$58.6M
$-113.0M
Q3 25
$178.2M
$-217.0M
Q2 25
$169.3M
$-166.0M
Q1 25
$112.4M
$-104.0M
Q4 24
$83.7M
$73.0M
Q3 24
$213.1M
$-170.0M
Q2 24
$154.0M
$-22.0M
Q1 24
$50.7M
$-39.0M
FCF Margin
CRL
CRL
ULCC
ULCC
Q4 25
5.9%
-11.3%
Q3 25
17.7%
-24.5%
Q2 25
16.4%
-17.9%
Q1 25
11.4%
-11.4%
Q4 24
8.4%
7.3%
Q3 24
21.1%
-18.2%
Q2 24
15.0%
-2.3%
Q1 24
5.0%
-4.5%
Capex Intensity
CRL
CRL
ULCC
ULCC
Q4 25
8.9%
2.2%
Q3 25
3.5%
0.2%
Q2 25
3.4%
3.6%
Q1 25
6.0%
2.0%
Q4 24
7.5%
1.4%
Q3 24
3.8%
1.5%
Q2 24
3.8%
3.2%
Q1 24
7.8%
2.0%
Cash Conversion
CRL
CRL
ULCC
ULCC
Q4 25
-1.72×
Q3 25
3.93×
Q2 25
3.91×
Q1 25
6.74×
Q4 24
1.61×
Q3 24
3.61×
-6.00×
Q2 24
2.06×
0.29×
Q1 24
1.78×

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%

ULCC
ULCC

Aircraft Fare$453.0M45%
Passenger Service Fees$227.0M23%
Passenger Baggage$177.0M18%
Passenger Seat Selection$69.0M7%
Other Passenger Revenue$36.0M4%
Other$35.0M4%

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