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

Doximity, Inc. is the larger business by last-quarter revenue ($185.1M vs $170.6M, roughly 1.1× Protagonist Therapeutics, Inc). Protagonist Therapeutics, Inc runs the higher net margin — 77.2% vs 33.3%, a 43.9% gap on every dollar of revenue. On growth, Protagonist Therapeutics, Inc posted the faster year-over-year revenue change (184.4% vs 9.8%).

Doximity is an online networking service for medical professionals. Launched in 2010, the platform offers its members curated medical news, telehealth tools, and case collaboration.

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.

DOCS vs PTGX — Head-to-Head

Bigger by revenue
DOCS
DOCS
1.1× larger
DOCS
$185.1M
$170.6M
PTGX
Growing faster (revenue YoY)
PTGX
PTGX
+174.6% gap
PTGX
184.4%
9.8%
DOCS
Higher net margin
PTGX
PTGX
43.9% more per $
PTGX
77.2%
33.3%
DOCS

Income Statement — Q3 FY2026 vs Q4 FY2024

Metric
DOCS
DOCS
PTGX
PTGX
Revenue
$185.1M
$170.6M
Net Profit
$61.6M
$131.7M
Gross Margin
89.9%
Operating Margin
38.9%
74.3%
Net Margin
33.3%
77.2%
Revenue YoY
9.8%
184.4%
Net Profit YoY
-18.1%
381.7%
EPS (diluted)
$0.31
$2.01

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
DOCS
DOCS
PTGX
PTGX
Q4 25
$185.1M
Q3 25
$168.5M
Q2 25
$145.9M
Q1 25
$138.3M
Q4 24
$168.6M
$170.6M
Q3 24
$136.8M
Q2 24
$126.7M
Q1 24
$118.1M
$255.0M
Net Profit
DOCS
DOCS
PTGX
PTGX
Q4 25
$61.6M
Q3 25
$62.1M
Q2 25
$53.3M
Q1 25
$62.5M
Q4 24
$75.2M
$131.7M
Q3 24
$44.2M
Q2 24
$41.4M
Q1 24
$40.6M
$207.3M
Gross Margin
DOCS
DOCS
PTGX
PTGX
Q4 25
89.9%
Q3 25
90.3%
Q2 25
89.2%
Q1 25
89.5%
Q4 24
91.6%
Q3 24
90.0%
Q2 24
89.3%
Q1 24
89.4%
Operating Margin
DOCS
DOCS
PTGX
PTGX
Q4 25
38.9%
Q3 25
37.8%
Q2 25
37.4%
Q1 25
35.2%
Q4 24
47.4%
74.3%
Q3 24
38.8%
Q2 24
36.4%
Q1 24
35.5%
80.9%
Net Margin
DOCS
DOCS
PTGX
PTGX
Q4 25
33.3%
Q3 25
36.8%
Q2 25
36.5%
Q1 25
45.2%
Q4 24
44.6%
77.2%
Q3 24
32.3%
Q2 24
32.7%
Q1 24
34.4%
81.3%
EPS (diluted)
DOCS
DOCS
PTGX
PTGX
Q4 25
$0.31
Q3 25
$0.31
Q2 25
$0.27
Q1 25
$0.31
Q4 24
$0.37
$2.01
Q3 24
$0.22
Q2 24
$0.21
Q1 24
$0.20
$3.26

Balance Sheet & Financial Strength

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

Metric
DOCS
DOCS
PTGX
PTGX
Cash + ST InvestmentsLiquidity on hand
$64.8M
$418.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$979.3M
$675.3M
Total Assets
$1.2B
$744.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DOCS
DOCS
PTGX
PTGX
Q4 25
$64.8M
Q3 25
$169.2M
Q2 25
$137.3M
Q1 25
$209.6M
Q4 24
$165.3M
$418.9M
Q3 24
$184.2M
Q2 24
$111.4M
Q1 24
$96.8M
$322.6M
Stockholders' Equity
DOCS
DOCS
PTGX
PTGX
Q4 25
$979.3M
Q3 25
$1.1B
Q2 25
$1.0B
Q1 25
$1.1B
Q4 24
$1.0B
$675.3M
Q3 24
$961.2M
Q2 24
$913.6M
Q1 24
$901.4M
$560.4M
Total Assets
DOCS
DOCS
PTGX
PTGX
Q4 25
$1.2B
Q3 25
$1.3B
Q2 25
$1.2B
Q1 25
$1.3B
Q4 24
$1.2B
$744.7M
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
$629.3M

Cash Flow & Capital Efficiency

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

Metric
DOCS
DOCS
PTGX
PTGX
Operating Cash FlowLast quarter
$60.9M
$184.2M
Free Cash FlowOCF − Capex
$182.8M
FCF MarginFCF / Revenue
107.1%
Capex IntensityCapex / Revenue
0.8%
Cash ConversionOCF / Net Profit
0.99×
1.40×
TTM Free Cash FlowTrailing 4 quarters
$101.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DOCS
DOCS
PTGX
PTGX
Q4 25
$60.9M
Q3 25
$93.9M
Q2 25
$62.1M
Q1 25
$98.5M
Q4 24
$65.2M
$184.2M
Q3 24
$68.3M
Q2 24
$41.2M
Q1 24
$63.9M
$-27.4M
Free Cash Flow
DOCS
DOCS
PTGX
PTGX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$182.8M
Q3 24
Q2 24
Q1 24
$-27.7M
FCF Margin
DOCS
DOCS
PTGX
PTGX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
107.1%
Q3 24
Q2 24
Q1 24
-10.9%
Capex Intensity
DOCS
DOCS
PTGX
PTGX
Q4 25
Q3 25
Q2 25
Q1 25
0.0%
Q4 24
0.0%
0.8%
Q3 24
0.0%
Q2 24
0.0%
Q1 24
0.0%
0.1%
Cash Conversion
DOCS
DOCS
PTGX
PTGX
Q4 25
0.99×
Q3 25
1.51×
Q2 25
1.16×
Q1 25
1.58×
Q4 24
0.87×
1.40×
Q3 24
1.55×
Q2 24
1.00×
Q1 24
1.57×
-0.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DOCS
DOCS

Subscription$175.4M95%
Service Other$9.7M5%

PTGX
PTGX

Segment breakdown not available.

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