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Side-by-side financial comparison of InterDigital, Inc. (IDCC) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.

InterDigital, Inc. is the larger business by last-quarter revenue ($205.4M vs $164.7M, roughly 1.2× PTC THERAPEUTICS, INC.). InterDigital, Inc. runs the higher net margin — 36.7% vs -82.0%, a 118.6% gap on every dollar of revenue. On growth, InterDigital, Inc. posted the faster year-over-year revenue change (-2.4% vs -22.7%). Over the past eight quarters, InterDigital, Inc.'s revenue compounded faster (-4.1% CAGR vs -11.5%).

InterDigital, Inc. is an American technology research and development company that provides wireless and video technologies for mobile devices, networks, and services worldwide. Founded in 1972, InterDigital is listed on the Nasdaq and is included in the S&P 600 index.

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.

IDCC vs PTCT — Head-to-Head

Bigger by revenue
IDCC
IDCC
1.2× larger
IDCC
$205.4M
$164.7M
PTCT
Growing faster (revenue YoY)
IDCC
IDCC
+20.3% gap
IDCC
-2.4%
-22.7%
PTCT
Higher net margin
IDCC
IDCC
118.6% more per $
IDCC
36.7%
-82.0%
PTCT
Faster 2-yr revenue CAGR
IDCC
IDCC
Annualised
IDCC
-4.1%
-11.5%
PTCT

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IDCC
IDCC
PTCT
PTCT
Revenue
$205.4M
$164.7M
Net Profit
$75.3M
$-135.0M
Gross Margin
Operating Margin
40.0%
-43.3%
Net Margin
36.7%
-82.0%
Revenue YoY
-2.4%
-22.7%
Net Profit YoY
-34.8%
-104.8%
EPS (diluted)
$2.14
$-1.63

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
IDCC
IDCC
PTCT
PTCT
Q1 26
$205.4M
Q4 25
$158.2M
$164.7M
Q3 25
$164.7M
$211.0M
Q2 25
$300.6M
$178.9M
Q1 25
$210.5M
$1.2B
Q4 24
$252.8M
$213.2M
Q3 24
$128.7M
$196.8M
Q2 24
$223.5M
$186.7M
Net Profit
IDCC
IDCC
PTCT
PTCT
Q1 26
$75.3M
Q4 25
$43.0M
$-135.0M
Q3 25
$67.5M
$15.9M
Q2 25
$180.6M
$-64.8M
Q1 25
$115.6M
$866.6M
Q4 24
$133.1M
$-65.9M
Q3 24
$34.2M
$-106.7M
Q2 24
$109.7M
$-99.2M
Operating Margin
IDCC
IDCC
PTCT
PTCT
Q1 26
40.0%
Q4 25
30.2%
-43.3%
Q3 25
46.0%
1.4%
Q2 25
68.3%
-19.5%
Q1 25
62.6%
82.5%
Q4 24
64.3%
-76.2%
Q3 24
30.6%
-27.7%
Q2 24
59.9%
-21.5%
Net Margin
IDCC
IDCC
PTCT
PTCT
Q1 26
36.7%
Q4 25
27.2%
-82.0%
Q3 25
41.0%
7.5%
Q2 25
60.1%
-36.3%
Q1 25
54.9%
73.7%
Q4 24
52.7%
-30.9%
Q3 24
26.6%
-54.2%
Q2 24
49.1%
-53.1%
EPS (diluted)
IDCC
IDCC
PTCT
PTCT
Q1 26
$2.14
Q4 25
$1.07
$-1.63
Q3 25
$1.93
$0.20
Q2 25
$5.35
$-0.83
Q1 25
$3.45
$10.04
Q4 24
$4.12
$-0.85
Q3 24
$1.14
$-1.39
Q2 24
$3.93
$-1.29

Balance Sheet & Financial Strength

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

Metric
IDCC
IDCC
PTCT
PTCT
Cash + ST InvestmentsLiquidity on hand
$1.9B
Total DebtLower is stronger
$377.8M
Stockholders' EquityBook value
$1.1B
$-205.3M
Total Assets
$2.1B
$2.9B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
$1.2B
$1.9B
Q3 25
$1.3B
$1.7B
Q2 25
$937.0M
$2.0B
Q1 25
$883.3M
$2.0B
Q4 24
$958.2M
$1.1B
Q3 24
$813.2M
$1.0B
Q2 24
$760.3M
$1.1B
Total Debt
IDCC
IDCC
PTCT
PTCT
Q1 26
$377.8M
Q4 25
$16.3M
Q3 25
$17.1M
Q2 25
$16.6M
Q1 25
$16.0M
Q4 24
$15.4M
Q3 24
$18.3M
Q2 24
$17.7M
Stockholders' Equity
IDCC
IDCC
PTCT
PTCT
Q1 26
$1.1B
Q4 25
$1.1B
$-205.3M
Q3 25
$1.1B
$-155.8M
Q2 25
$1.1B
$-206.5M
Q1 25
$936.9M
$-185.8M
Q4 24
$857.2M
$-1.1B
Q3 24
$722.5M
$-1.1B
Q2 24
$696.8M
$-980.2M
Total Assets
IDCC
IDCC
PTCT
PTCT
Q1 26
$2.1B
Q4 25
$2.1B
$2.9B
Q3 25
$2.1B
$2.6B
Q2 25
$2.0B
$2.6B
Q1 25
$1.9B
$2.7B
Q4 24
$1.8B
$1.7B
Q3 24
$1.7B
$1.8B
Q2 24
$1.6B
$1.9B
Debt / Equity
IDCC
IDCC
PTCT
PTCT
Q1 26
0.34×
Q4 25
0.01×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.03×
Q2 24
0.03×

Cash Flow & Capital Efficiency

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

Metric
IDCC
IDCC
PTCT
PTCT
Operating Cash FlowLast quarter
$-34.3M
Free Cash FlowOCF − Capex
$-36.6M
FCF MarginFCF / Revenue
-22.3%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$702.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
$544.5M
$-34.3M
Q3 25
$395.9M
$-66.3M
Q2 25
$105.1M
$-58.3M
Q1 25
$-20.0M
$870.1M
Q4 24
$271.5M
$-30.0M
Q3 24
$77.6M
$-77.0M
Q2 24
$-48.9M
$-71.5M
Free Cash Flow
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
$528.6M
$-36.6M
Q3 25
$395.3M
$-69.7M
Q2 25
$104.5M
$-59.6M
Q1 25
$-34.5M
$868.4M
Q4 24
$265.7M
$-33.8M
Q3 24
$76.7M
$-77.5M
Q2 24
$-49.5M
$-78.8M
FCF Margin
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
334.0%
-22.3%
Q3 25
240.1%
-33.1%
Q2 25
34.8%
-33.3%
Q1 25
-16.4%
73.8%
Q4 24
105.1%
-15.8%
Q3 24
59.6%
-39.4%
Q2 24
-22.1%
-42.2%
Capex Intensity
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
10.0%
1.4%
Q3 25
0.4%
1.6%
Q2 25
0.2%
0.7%
Q1 25
6.9%
0.1%
Q4 24
2.3%
1.8%
Q3 24
0.7%
0.3%
Q2 24
0.3%
4.0%
Cash Conversion
IDCC
IDCC
PTCT
PTCT
Q1 26
Q4 25
12.67×
Q3 25
5.87×
-4.17×
Q2 25
0.58×
Q1 25
-0.17×
1.00×
Q4 24
2.04×
Q3 24
2.27×
Q2 24
-0.45×

Financial Flow Comparison

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

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