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Side-by-side financial comparison of CytomX Therapeutics, Inc. (CTMX) and OptimizeRx Corp (OPRX). Click either name above to swap in a different company.

OptimizeRx Corp is the larger business by last-quarter revenue ($32.2M vs $18.7M, roughly 1.7× CytomX Therapeutics, Inc.). OptimizeRx Corp runs the higher net margin — 15.6% vs -0.8%, a 16.4% gap on every dollar of revenue. On growth, OptimizeRx Corp posted the faster year-over-year revenue change (-0.2% vs -25.7%). OptimizeRx Corp produced more free cash flow last quarter ($7.1M vs $-15.8M). Over the past eight quarters, OptimizeRx Corp's revenue compounded faster (28.0% CAGR vs -15.9%).

CytomX Therapeutics is a clinical-stage biotechnology company specializing in innovative cancer immunotherapies. It leverages its proprietary Probody technology platform to develop targeted therapies that activate exclusively in tumor microenvironments, minimizing off-target toxicities, with a pipeline covering multiple solid tumor indications and partnerships with leading global pharmaceutical firms.

OptimizeRx Corp is a U.S.-headquartered digital health technology company that delivers patient engagement, medication affordability and clinical communication solutions to life sciences enterprises, healthcare providers and pharmacy partners. Its core offerings include digital medication savings tools, patient support programs, and therapeutic area-specific resources to boost medication access and treatment adherence.

CTMX vs OPRX — Head-to-Head

Bigger by revenue
OPRX
OPRX
1.7× larger
OPRX
$32.2M
$18.7M
CTMX
Growing faster (revenue YoY)
OPRX
OPRX
+25.5% gap
OPRX
-0.2%
-25.7%
CTMX
Higher net margin
OPRX
OPRX
16.4% more per $
OPRX
15.6%
-0.8%
CTMX
More free cash flow
OPRX
OPRX
$22.9M more FCF
OPRX
$7.1M
$-15.8M
CTMX
Faster 2-yr revenue CAGR
OPRX
OPRX
Annualised
OPRX
28.0%
-15.9%
CTMX

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
CTMX
CTMX
OPRX
OPRX
Revenue
$18.7M
$32.2M
Net Profit
$-154.0K
$5.0M
Gross Margin
74.8%
Operating Margin
-6.9%
26.6%
Net Margin
-0.8%
15.6%
Revenue YoY
-25.7%
-0.2%
Net Profit YoY
97.6%
6535.9%
EPS (diluted)
$0.27

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
CTMX
CTMX
OPRX
OPRX
Q4 25
$32.2M
Q3 25
$26.1M
Q2 25
$18.7M
$29.2M
Q1 25
$50.9M
$21.9M
Q4 24
$38.1M
$32.3M
Q3 24
$33.4M
$21.3M
Q2 24
$25.1M
$18.8M
Q1 24
$41.5M
$19.7M
Net Profit
CTMX
CTMX
OPRX
OPRX
Q4 25
$5.0M
Q3 25
$779.0K
Q2 25
$-154.0K
$1.5M
Q1 25
$23.5M
$-2.2M
Q4 24
$18.9M
$-78.0K
Q3 24
$5.7M
$-9.1M
Q2 24
$-6.5M
$-4.0M
Q1 24
$13.8M
$-6.9M
Gross Margin
CTMX
CTMX
OPRX
OPRX
Q4 25
74.8%
Q3 25
67.2%
Q2 25
63.8%
Q1 25
60.9%
Q4 24
68.1%
Q3 24
63.1%
Q2 24
62.2%
Q1 24
62.0%
Operating Margin
CTMX
CTMX
OPRX
OPRX
Q4 25
26.6%
Q3 25
7.9%
Q2 25
-6.9%
10.9%
Q1 25
44.4%
-9.6%
Q4 24
46.4%
11.2%
Q3 24
12.3%
-40.2%
Q2 24
-33.7%
-19.9%
Q1 24
28.1%
-25.5%
Net Margin
CTMX
CTMX
OPRX
OPRX
Q4 25
15.6%
Q3 25
3.0%
Q2 25
-0.8%
5.2%
Q1 25
46.2%
-10.0%
Q4 24
49.6%
-0.2%
Q3 24
17.2%
-42.8%
Q2 24
-26.0%
-21.3%
Q1 24
33.3%
-35.0%
EPS (diluted)
CTMX
CTMX
OPRX
OPRX
Q4 25
$0.27
Q3 25
$0.04
Q2 25
$0.08
Q1 25
$-0.12
Q4 24
$0.00
Q3 24
$-0.50
Q2 24
$-0.22
Q1 24
$-0.38

Balance Sheet & Financial Strength

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

Metric
CTMX
CTMX
OPRX
OPRX
Cash + ST InvestmentsLiquidity on hand
$49.0M
$23.4M
Total DebtLower is stronger
$26.3M
Stockholders' EquityBook value
$119.9M
$128.3M
Total Assets
$175.1M
$176.9M
Debt / EquityLower = less leverage
0.20×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTMX
CTMX
OPRX
OPRX
Q4 25
$23.4M
Q3 25
$19.5M
Q2 25
$49.0M
$16.6M
Q1 25
$47.6M
$16.6M
Q4 24
$38.1M
$13.4M
Q3 24
$40.6M
$16.1M
Q2 24
$43.2M
Q1 24
$36.2M
Total Debt
CTMX
CTMX
OPRX
OPRX
Q4 25
$26.3M
Q3 25
$28.8M
Q2 25
$29.3M
Q1 25
$33.8M
Q4 24
$34.3M
Q3 24
$36.8M
Q2 24
$37.3M
Q1 24
$37.8M
Stockholders' Equity
CTMX
CTMX
OPRX
OPRX
Q4 25
$128.3M
Q3 25
$122.3M
Q2 25
$119.9M
$119.3M
Q1 25
$25.0M
$116.3M
Q4 24
$-456.0K
$117.0M
Q3 24
$-23.5M
$114.5M
Q2 24
$-31.2M
$121.0M
Q1 24
$-31.7M
$122.5M
Total Assets
CTMX
CTMX
OPRX
OPRX
Q4 25
$176.9M
Q3 25
$170.3M
Q2 25
$175.1M
$169.3M
Q1 25
$98.5M
$167.8M
Q4 24
$120.5M
$171.2M
Q3 24
$139.0M
$165.2M
Q2 24
$159.2M
$172.9M
Q1 24
$184.7M
$176.4M
Debt / Equity
CTMX
CTMX
OPRX
OPRX
Q4 25
0.20×
Q3 25
0.24×
Q2 25
0.25×
Q1 25
0.29×
Q4 24
0.29×
Q3 24
0.32×
Q2 24
0.31×
Q1 24
0.31×

Cash Flow & Capital Efficiency

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

Metric
CTMX
CTMX
OPRX
OPRX
Operating Cash FlowLast quarter
$-15.8M
$7.1M
Free Cash FlowOCF − Capex
$-15.8M
$7.1M
FCF MarginFCF / Revenue
-84.6%
22.0%
Capex IntensityCapex / Revenue
0.1%
0.0%
Cash ConversionOCF / Net Profit
1.41×
TTM Free Cash FlowTrailing 4 quarters
$-77.7M
$18.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTMX
CTMX
OPRX
OPRX
Q4 25
$7.1M
Q3 25
$3.2M
Q2 25
$-15.8M
$4.6M
Q1 25
$-21.0M
$3.9M
Q4 24
$-19.9M
$198.0K
Q3 24
$-20.7M
$1.8M
Q2 24
$-19.5M
$782.0K
Q1 24
$-26.0M
$2.1M
Free Cash Flow
CTMX
CTMX
OPRX
OPRX
Q4 25
$7.1M
Q3 25
$3.2M
Q2 25
$-15.8M
$4.6M
Q1 25
$-21.2M
$3.8M
Q4 24
$-20.0M
$181.0K
Q3 24
$-20.7M
$1.8M
Q2 24
$-19.6M
$737.0K
Q1 24
$-26.2M
$2.1M
FCF Margin
CTMX
CTMX
OPRX
OPRX
Q4 25
22.0%
Q3 25
12.2%
Q2 25
-84.6%
15.6%
Q1 25
-41.6%
17.5%
Q4 24
-52.5%
0.6%
Q3 24
-62.1%
8.3%
Q2 24
-78.2%
3.9%
Q1 24
-63.1%
10.6%
Capex Intensity
CTMX
CTMX
OPRX
OPRX
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.1%
0.0%
Q1 25
0.2%
0.1%
Q4 24
0.2%
0.1%
Q3 24
0.1%
0.1%
Q2 24
0.4%
0.2%
Q1 24
0.3%
0.2%
Cash Conversion
CTMX
CTMX
OPRX
OPRX
Q4 25
1.41×
Q3 25
4.11×
Q2 25
2.98×
Q1 25
-0.89×
Q4 24
-1.05×
Q3 24
-3.61×
Q2 24
Q1 24
-1.89×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTMX
CTMX

Bristol Myers Squibb Company$11.6M62%
Astellas Pharma Inc$4.6M25%
Regeneron Pharmaceuticals Inc$2.1M11%

OPRX
OPRX

Segment breakdown not available.

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