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Side-by-side financial comparison of PTC THERAPEUTICS, INC. (PTCT) and Sun Country Airlines Holdings, Inc. (SNCY). Click either name above to swap in a different company.

Sun Country Airlines Holdings, Inc. is the larger business by last-quarter revenue ($281.0M vs $164.7M, roughly 1.7× PTC THERAPEUTICS, INC.). Sun Country Airlines Holdings, Inc. runs the higher net margin — 2.9% vs -82.0%, a 84.9% gap on every dollar of revenue. On growth, Sun Country Airlines Holdings, Inc. posted the faster year-over-year revenue change (7.9% vs -22.7%). Sun Country Airlines Holdings, Inc. produced more free cash flow last quarter ($34.9M vs $-36.6M). Over the past eight quarters, Sun Country Airlines Holdings, Inc.'s revenue compounded faster (-5.0% CAGR vs -11.5%).

PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.

Frontier Airlines, Inc. is a major American ultra low-cost airline headquartered in Denver, Colorado. It operates flights to over 120 destinations in the United States, the Caribbean, Mexico and Central America, and employs more than 5,000 staff. The carrier is a publicly traded company and maintains bases at Denver International Airport, Orlando International Airport, and eleven other cities across the contiguous United States and Puerto Rico.

PTCT vs SNCY — Head-to-Head

Bigger by revenue
SNCY
SNCY
1.7× larger
SNCY
$281.0M
$164.7M
PTCT
Growing faster (revenue YoY)
SNCY
SNCY
+30.6% gap
SNCY
7.9%
-22.7%
PTCT
Higher net margin
SNCY
SNCY
84.9% more per $
SNCY
2.9%
-82.0%
PTCT
More free cash flow
SNCY
SNCY
$71.6M more FCF
SNCY
$34.9M
$-36.6M
PTCT
Faster 2-yr revenue CAGR
SNCY
SNCY
Annualised
SNCY
-5.0%
-11.5%
PTCT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PTCT
PTCT
SNCY
SNCY
Revenue
$164.7M
$281.0M
Net Profit
$-135.0M
$8.1M
Gross Margin
Operating Margin
-43.3%
6.5%
Net Margin
-82.0%
2.9%
Revenue YoY
-22.7%
7.9%
Net Profit YoY
-104.8%
-39.4%
EPS (diluted)
$-1.63
$0.15

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
PTCT
PTCT
SNCY
SNCY
Q4 25
$164.7M
$281.0M
Q3 25
$211.0M
$255.5M
Q2 25
$178.9M
$263.6M
Q1 25
$1.2B
$326.6M
Q4 24
$213.2M
$260.4M
Q3 24
$196.8M
$249.5M
Q2 24
$186.7M
$254.4M
Q1 24
$210.1M
$311.5M
Net Profit
PTCT
PTCT
SNCY
SNCY
Q4 25
$-135.0M
$8.1M
Q3 25
$15.9M
$1.6M
Q2 25
$-64.8M
$6.6M
Q1 25
$866.6M
$36.5M
Q4 24
$-65.9M
$13.4M
Q3 24
$-106.7M
$2.3M
Q2 24
$-99.2M
$1.8M
Q1 24
$-91.6M
$35.3M
Operating Margin
PTCT
PTCT
SNCY
SNCY
Q4 25
-43.3%
6.5%
Q3 25
1.4%
3.9%
Q2 25
-19.5%
6.2%
Q1 25
82.5%
17.2%
Q4 24
-76.2%
10.0%
Q3 24
-27.7%
5.0%
Q2 24
-21.5%
4.9%
Q1 24
-21.6%
17.7%
Net Margin
PTCT
PTCT
SNCY
SNCY
Q4 25
-82.0%
2.9%
Q3 25
7.5%
0.6%
Q2 25
-36.3%
2.5%
Q1 25
73.7%
11.2%
Q4 24
-30.9%
5.2%
Q3 24
-54.2%
0.9%
Q2 24
-53.1%
0.7%
Q1 24
-43.6%
11.3%
EPS (diluted)
PTCT
PTCT
SNCY
SNCY
Q4 25
$-1.63
$0.15
Q3 25
$0.20
$0.03
Q2 25
$-0.83
$0.12
Q1 25
$10.04
$0.66
Q4 24
$-0.85
$0.25
Q3 24
$-1.39
$0.04
Q2 24
$-1.29
$0.03
Q1 24
$-1.20
$0.64

Balance Sheet & Financial Strength

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

Metric
PTCT
PTCT
SNCY
SNCY
Cash + ST InvestmentsLiquidity on hand
$1.9B
$234.3M
Total DebtLower is stronger
$323.3M
Stockholders' EquityBook value
$-205.3M
$625.2M
Total Assets
$2.9B
$1.7B
Debt / EquityLower = less leverage
0.52×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PTCT
PTCT
SNCY
SNCY
Q4 25
$1.9B
$234.3M
Q3 25
$1.7B
$176.2M
Q2 25
$2.0B
$138.3M
Q1 25
$2.0B
$158.8M
Q4 24
$1.1B
$187.3M
Q3 24
$1.0B
$146.5M
Q2 24
$1.1B
$135.2M
Q1 24
$884.8M
$161.2M
Total Debt
PTCT
PTCT
SNCY
SNCY
Q4 25
$323.3M
Q3 25
$301.3M
Q2 25
$282.1M
Q1 25
$312.6M
Q4 24
$327.1M
Q3 24
$351.8M
Q2 24
$365.5M
Q1 24
$388.1M
Stockholders' Equity
PTCT
PTCT
SNCY
SNCY
Q4 25
$-205.3M
$625.2M
Q3 25
$-155.8M
$610.2M
Q2 25
$-206.5M
$613.0M
Q1 25
$-185.8M
$603.0M
Q4 24
$-1.1B
$570.4M
Q3 24
$-1.1B
$552.5M
Q2 24
$-980.2M
$546.9M
Q1 24
$-893.9M
$541.0M
Total Assets
PTCT
PTCT
SNCY
SNCY
Q4 25
$2.9B
$1.7B
Q3 25
$2.6B
$1.6B
Q2 25
$2.6B
$1.6B
Q1 25
$2.7B
$1.6B
Q4 24
$1.7B
$1.6B
Q3 24
$1.8B
$1.6B
Q2 24
$1.9B
$1.6B
Q1 24
$1.8B
$1.6B
Debt / Equity
PTCT
PTCT
SNCY
SNCY
Q4 25
0.52×
Q3 25
0.49×
Q2 25
0.46×
Q1 25
0.52×
Q4 24
0.57×
Q3 24
0.64×
Q2 24
0.67×
Q1 24
0.72×

Cash Flow & Capital Efficiency

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

Metric
PTCT
PTCT
SNCY
SNCY
Operating Cash FlowLast quarter
$-34.3M
$78.9M
Free Cash FlowOCF − Capex
$-36.6M
$34.9M
FCF MarginFCF / Revenue
-22.3%
12.4%
Capex IntensityCapex / Revenue
1.4%
15.7%
Cash ConversionOCF / Net Profit
9.69×
TTM Free Cash FlowTrailing 4 quarters
$702.3M
$84.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PTCT
PTCT
SNCY
SNCY
Q4 25
$-34.3M
$78.9M
Q3 25
$-66.3M
$41.9M
Q2 25
$-58.3M
$19.8M
Q1 25
$870.1M
$16.4M
Q4 24
$-30.0M
$90.6M
Q3 24
$-77.0M
$35.4M
Q2 24
$-71.5M
$8.2M
Q1 24
$70.8M
$30.7M
Free Cash Flow
PTCT
PTCT
SNCY
SNCY
Q4 25
$-36.6M
$34.9M
Q3 25
$-69.7M
$34.0M
Q2 25
$-59.6M
$14.0M
Q1 25
$868.4M
$1.0M
Q4 24
$-33.8M
$85.8M
Q3 24
$-77.5M
$31.0M
Q2 24
$-78.8M
$-382.0K
Q1 24
$61.2M
$1.0M
FCF Margin
PTCT
PTCT
SNCY
SNCY
Q4 25
-22.3%
12.4%
Q3 25
-33.1%
13.3%
Q2 25
-33.3%
5.3%
Q1 25
73.8%
0.3%
Q4 24
-15.8%
33.0%
Q3 24
-39.4%
12.4%
Q2 24
-42.2%
-0.2%
Q1 24
29.1%
0.3%
Capex Intensity
PTCT
PTCT
SNCY
SNCY
Q4 25
1.4%
15.7%
Q3 25
1.6%
3.1%
Q2 25
0.7%
2.2%
Q1 25
0.1%
4.7%
Q4 24
1.8%
1.8%
Q3 24
0.3%
1.8%
Q2 24
4.0%
3.4%
Q1 24
4.6%
9.5%
Cash Conversion
PTCT
PTCT
SNCY
SNCY
Q4 25
9.69×
Q3 25
-4.17×
27.03×
Q2 25
3.01×
Q1 25
1.00×
0.45×
Q4 24
6.74×
Q3 24
15.13×
Q2 24
4.50×
Q1 24
0.87×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PTCT
PTCT

Segment breakdown not available.

SNCY
SNCY

Scheduled Service$95.6M34%
Ancillary$69.3M25%
Charter Service$56.6M20%
Cargo And Freight$48.0M17%
Service Other$11.4M4%

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