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Side-by-side financial comparison of Protagonist Therapeutics, Inc (PTGX) and Riley Exploration Permian, Inc. (REPX). Click either name above to swap in a different company.

Protagonist Therapeutics, Inc is the larger business by last-quarter revenue ($170.6M vs $97.3M, roughly 1.8× Riley Exploration Permian, Inc.). On growth, Protagonist Therapeutics, Inc posted the faster year-over-year revenue change (184.4% vs -5.3%).

Protagonist Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on discovering and developing novel peptide-based targeted therapies for unmet medical needs, primarily covering gastrointestinal disorders, inflammatory diseases and rare disease indications. Its lead product candidates target inflammatory bowel disease and other chronic immune-related conditions, with operations spanning global R&D and partnership collaborations.

Riley Exploration Permian, Inc. is an independent energy company focused on exploration, development, and production of crude oil, natural gas, and natural gas liquids primarily in the US Permian Basin spanning Texas and New Mexico. It prioritizes cost-efficient onshore reserve development to supply reliable energy products to North American markets.

PTGX vs REPX — Head-to-Head

Bigger by revenue
PTGX
PTGX
1.8× larger
PTGX
$170.6M
$97.3M
REPX
Growing faster (revenue YoY)
PTGX
PTGX
+189.7% gap
PTGX
184.4%
-5.3%
REPX

Income Statement — Q4 FY2024 vs Q4 FY2025

Metric
PTGX
PTGX
REPX
REPX
Revenue
$170.6M
$97.3M
Net Profit
$131.7M
Gross Margin
Operating Margin
74.3%
26.9%
Net Margin
77.2%
Revenue YoY
184.4%
-5.3%
Net Profit YoY
381.7%
EPS (diluted)
$2.01
$4.02

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
PTGX
PTGX
REPX
REPX
Q4 25
$97.3M
Q3 25
$106.9M
Q2 25
$85.4M
Q1 25
$102.5M
Q4 24
$170.6M
$102.7M
Q3 24
$102.3M
Q2 24
$105.4M
Q1 24
$255.0M
$99.7M
Net Profit
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
$16.3M
Q2 25
$30.5M
Q1 25
$28.6M
Q4 24
$131.7M
Q3 24
$25.7M
Q2 24
$33.5M
Q1 24
$207.3M
$18.8M
Operating Margin
PTGX
PTGX
REPX
REPX
Q4 25
26.9%
Q3 25
27.0%
Q2 25
33.7%
Q1 25
48.3%
Q4 24
74.3%
31.2%
Q3 24
17.1%
Q2 24
50.9%
Q1 24
80.9%
50.7%
Net Margin
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
15.3%
Q2 25
35.7%
Q1 25
27.9%
Q4 24
77.2%
Q3 24
25.1%
Q2 24
31.8%
Q1 24
81.3%
18.8%
EPS (diluted)
PTGX
PTGX
REPX
REPX
Q4 25
$4.02
Q3 25
$0.77
Q2 25
$1.44
Q1 25
$1.36
Q4 24
$2.01
$0.52
Q3 24
$1.21
Q2 24
$1.59
Q1 24
$3.26
$0.94

Balance Sheet & Financial Strength

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

Metric
PTGX
PTGX
REPX
REPX
Cash + ST InvestmentsLiquidity on hand
$418.9M
Total DebtLower is stronger
$247.9M
Stockholders' EquityBook value
$675.3M
$634.2M
Total Assets
$744.7M
$1.2B
Debt / EquityLower = less leverage
0.39×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$418.9M
Q3 24
Q2 24
Q1 24
$322.6M
Total Debt
PTGX
PTGX
REPX
REPX
Q4 25
$247.9M
Q3 25
$367.0M
Q2 25
$275.2M
Q1 25
$249.3M
Q4 24
$269.5M
Q3 24
$288.6M
Q2 24
$322.7M
Q1 24
$341.8M
Stockholders' Equity
PTGX
PTGX
REPX
REPX
Q4 25
$634.2M
Q3 25
$566.5M
Q2 25
$556.9M
Q1 25
$532.4M
Q4 24
$675.3M
$510.6M
Q3 24
$507.4M
Q2 24
$489.0M
Q1 24
$560.4M
$434.6M
Total Assets
PTGX
PTGX
REPX
REPX
Q4 25
$1.2B
Q3 25
$1.2B
Q2 25
$1.0B
Q1 25
$994.9M
Q4 24
$744.7M
$993.5M
Q3 24
$997.9M
Q2 24
$1.0B
Q1 24
$629.3M
$956.4M
Debt / Equity
PTGX
PTGX
REPX
REPX
Q4 25
0.39×
Q3 25
0.65×
Q2 25
0.49×
Q1 25
0.47×
Q4 24
0.53×
Q3 24
0.57×
Q2 24
0.66×
Q1 24
0.79×

Cash Flow & Capital Efficiency

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

Metric
PTGX
PTGX
REPX
REPX
Operating Cash FlowLast quarter
$184.2M
$64.9M
Free Cash FlowOCF − Capex
$182.8M
FCF MarginFCF / Revenue
107.1%
Capex IntensityCapex / Revenue
0.8%
Cash ConversionOCF / Net Profit
1.40×
TTM Free Cash FlowTrailing 4 quarters
$101.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PTGX
PTGX
REPX
REPX
Q4 25
$64.9M
Q3 25
$63.6M
Q2 25
$33.6M
Q1 25
$50.4M
Q4 24
$184.2M
$66.4M
Q3 24
$72.1M
Q2 24
$51.6M
Q1 24
$-27.4M
$56.1M
Free Cash Flow
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$182.8M
Q3 24
Q2 24
Q1 24
$-27.7M
FCF Margin
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
107.1%
Q3 24
Q2 24
Q1 24
-10.9%
Capex Intensity
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.8%
Q3 24
Q2 24
Q1 24
0.1%
Cash Conversion
PTGX
PTGX
REPX
REPX
Q4 25
Q3 25
3.90×
Q2 25
1.10×
Q1 25
1.76×
Q4 24
1.40×
Q3 24
2.81×
Q2 24
1.54×
Q1 24
-0.13×
2.99×

Financial Flow Comparison

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

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