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

InterDigital, Inc. is the larger business by last-quarter revenue ($205.4M vs $152.6M, roughly 1.3× CATALYST PHARMACEUTICALS, INC.). InterDigital, Inc. runs the higher net margin — 36.7% vs 34.5%, a 2.1% gap on every dollar of revenue. On growth, CATALYST PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (7.6% vs -2.4%). Over the past eight quarters, CATALYST PHARMACEUTICALS, INC.'s revenue compounded faster (24.5% CAGR vs -4.1%).

Catalyst Pharmaceuticals, Inc. is a biopharmaceutical company based in Coral Gables, Florida, United States. The company develops medicines for rare diseases, including the phosphate salt of amifampridine for the treatment of Lambert–Eaton myasthenic syndrome (LEMS). The drug is referred to under the trade name Firdapse, which was approved by the FDA for approved use in children 6 years and older with LEMS in addition to the prior approval for use in adults with LEMS on November 28, 2018. Fir...

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.

CPRX vs IDCC — Head-to-Head

Bigger by revenue
IDCC
IDCC
1.3× larger
IDCC
$205.4M
$152.6M
CPRX
Growing faster (revenue YoY)
CPRX
CPRX
+10.0% gap
CPRX
7.6%
-2.4%
IDCC
Higher net margin
IDCC
IDCC
2.1% more per $
IDCC
36.7%
34.5%
CPRX
Faster 2-yr revenue CAGR
CPRX
CPRX
Annualised
CPRX
24.5%
-4.1%
IDCC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CPRX
CPRX
IDCC
IDCC
Revenue
$152.6M
$205.4M
Net Profit
$52.7M
$75.3M
Gross Margin
82.9%
Operating Margin
40.5%
40.0%
Net Margin
34.5%
36.7%
Revenue YoY
7.6%
-2.4%
Net Profit YoY
-5.8%
-34.8%
EPS (diluted)
$0.40
$2.14

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
CPRX
CPRX
IDCC
IDCC
Q1 26
$205.4M
Q4 25
$152.6M
$158.2M
Q3 25
$148.4M
$164.7M
Q2 25
$146.6M
$300.6M
Q1 25
$141.4M
$210.5M
Q4 24
$141.8M
$252.8M
Q3 24
$128.7M
$128.7M
Q2 24
$122.7M
$223.5M
Net Profit
CPRX
CPRX
IDCC
IDCC
Q1 26
$75.3M
Q4 25
$52.7M
$43.0M
Q3 25
$52.8M
$67.5M
Q2 25
$52.1M
$180.6M
Q1 25
$56.7M
$115.6M
Q4 24
$55.9M
$133.1M
Q3 24
$43.9M
$34.2M
Q2 24
$40.8M
$109.7M
Gross Margin
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
82.9%
Q3 25
84.7%
Q2 25
85.9%
Q1 25
87.3%
Q4 24
84.7%
Q3 24
85.0%
Q2 24
87.4%
Operating Margin
CPRX
CPRX
IDCC
IDCC
Q1 26
40.0%
Q4 25
40.5%
30.2%
Q3 25
44.7%
46.0%
Q2 25
45.2%
68.3%
Q1 25
44.8%
62.6%
Q4 24
44.3%
64.3%
Q3 24
39.6%
30.6%
Q2 24
44.2%
59.9%
Net Margin
CPRX
CPRX
IDCC
IDCC
Q1 26
36.7%
Q4 25
34.5%
27.2%
Q3 25
35.6%
41.0%
Q2 25
35.6%
60.1%
Q1 25
40.1%
54.9%
Q4 24
39.4%
52.7%
Q3 24
34.1%
26.6%
Q2 24
33.2%
49.1%
EPS (diluted)
CPRX
CPRX
IDCC
IDCC
Q1 26
$2.14
Q4 25
$0.40
$1.07
Q3 25
$0.42
$1.93
Q2 25
$0.41
$5.35
Q1 25
$0.45
$3.45
Q4 24
$0.44
$4.12
Q3 24
$0.35
$1.14
Q2 24
$0.33
$3.93

Balance Sheet & Financial Strength

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

Metric
CPRX
CPRX
IDCC
IDCC
Cash + ST InvestmentsLiquidity on hand
$709.2M
Total DebtLower is stronger
$377.8M
Stockholders' EquityBook value
$954.3M
$1.1B
Total Assets
$1.1B
$2.1B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
$709.2M
$1.2B
Q3 25
$689.9M
$1.3B
Q2 25
$652.8M
$937.0M
Q1 25
$580.7M
$883.3M
Q4 24
$517.6M
$958.2M
Q3 24
$442.3M
$813.2M
Q2 24
$375.7M
$760.3M
Total Debt
CPRX
CPRX
IDCC
IDCC
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
CPRX
CPRX
IDCC
IDCC
Q1 26
$1.1B
Q4 25
$954.3M
$1.1B
Q3 25
$920.2M
$1.1B
Q2 25
$856.0M
$1.1B
Q1 25
$794.3M
$936.9M
Q4 24
$727.6M
$857.2M
Q3 24
$660.9M
$722.5M
Q2 24
$608.7M
$696.8M
Total Assets
CPRX
CPRX
IDCC
IDCC
Q1 26
$2.1B
Q4 25
$1.1B
$2.1B
Q3 25
$1.1B
$2.1B
Q2 25
$971.9M
$2.0B
Q1 25
$908.9M
$1.9B
Q4 24
$851.4M
$1.8B
Q3 24
$772.0M
$1.7B
Q2 24
$706.4M
$1.6B
Debt / Equity
CPRX
CPRX
IDCC
IDCC
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
CPRX
CPRX
IDCC
IDCC
Operating Cash FlowLast quarter
$44.9M
Free Cash FlowOCF − Capex
$44.9M
FCF MarginFCF / Revenue
29.4%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
0.85×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
$44.9M
$544.5M
Q3 25
$32.4M
$395.9M
Q2 25
$71.3M
$105.1M
Q1 25
$60.0M
$-20.0M
Q4 24
$70.9M
$271.5M
Q3 24
$72.9M
$77.6M
Q2 24
$64.1M
$-48.9M
Free Cash Flow
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
$44.9M
$528.6M
Q3 25
$395.3M
Q2 25
$71.3M
$104.5M
Q1 25
$-34.5M
Q4 24
$70.8M
$265.7M
Q3 24
$72.6M
$76.7M
Q2 24
$64.1M
$-49.5M
FCF Margin
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
29.4%
334.0%
Q3 25
240.1%
Q2 25
48.6%
34.8%
Q1 25
-16.4%
Q4 24
49.9%
105.1%
Q3 24
56.4%
59.6%
Q2 24
52.3%
-22.1%
Capex Intensity
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
0.0%
10.0%
Q3 25
0.0%
0.4%
Q2 25
0.0%
0.2%
Q1 25
0.0%
6.9%
Q4 24
0.1%
2.3%
Q3 24
0.2%
0.7%
Q2 24
0.0%
0.3%
Cash Conversion
CPRX
CPRX
IDCC
IDCC
Q1 26
Q4 25
0.85×
12.67×
Q3 25
0.61×
5.87×
Q2 25
1.37×
0.58×
Q1 25
1.06×
-0.17×
Q4 24
1.27×
2.04×
Q3 24
1.66×
2.27×
Q2 24
1.57×
-0.45×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CPRX
CPRX

Firdapse$97.6M64%
Agamree$35.3M23%
Fycompa$19.6M13%

IDCC
IDCC

Segment breakdown not available.

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