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Protagonist Therapeutics Inc

PTGX

NASDAQ

Biotechnology

$155.10

USD

+3.68 (+2.43%)

At close: Aug 14, 2026, 4:00 PM EDT

Market Cap $9.93B

Volume 426.3K

Price (USD)
Price (USD)

About Protagonist Therapeutics Inc

Protagonist Therapeutics, Inc. a clinical-stage biopharmaceutical company, which engages in discovering and developing peptide-based therapeutic drugs to address unmet medical needs. The company is headquartered in Newark California, California and currently employs 132 full-time employees. The company went IPO on 2016-08-11. The Company’s clinical programs fall into two categories of diseases: hematology and blood disorders, and inflammatory and immunomodulatory diseases. Its two peptides derived from its proprietary discovery technology platform, rusfertide and icotrokinra, are in advanced Phase III clinical development. Its rusfertide (PTG-300) is an injectable hepcidin mimetic in development for the potential treatment of polycythemia vera (PV) and other blood disorders. Icotrokinra, an orally delivered IL-23R specific antagonist for the potential treatment of psoriasis, psoriatic arthritis (PsA), ulcerative colitis and inflammatory bowel disease (IBD) indications. The firm also has a pre-clinical stage oral drug discovery program addressing clinically and commercially validated targets, including the IL-17 oral peptide antagonist PN-881, an oral hepcidin program, and an oral obesity program.

CEO

Dr. Dinesh Patel

HQ

Newark California, CALIFORNIA, US

Founded

2016

Employees

132

Quantli Score

8.4

Outperform

Fin. Health

8.1

Profitability

7.6

Growth

9.0

Cash-Flow Q.

8.8

Key Metrics

7 metrics our research team weighs before forming a view on PTGX.

Based on Quantli research · SEC filings · as of Q2 2026

METRIC

VALUE

CHANGE

TREND (3Y)

Revenue Growth (TTM)

34.8%

+69.3 pp

Gross Margin (TTM)

100.0%

0.0 pp

Operating Margin (TTM)

20.7%

+9.2 pp

Net Margin (TTM)

-28.3%

-69.8 pp

ROE (TTM)

-9.5%

-22.5 pp

EPS Growth (TTM)

41.1%

+114.1 pp

Free Cash Flow (TTM)

$-88.30M

-232.4%

Financial Snapshot

Full Financials

Revenue

$281.99M

+34.8%

YoY

Gross Margin

100%

TTM

0.0%

YoY

Net Income

$-79.94M

-192.1%

YoY

Operating Cash Flow

$-87.86M

-228.6%

YoY

Key Statistics

Open

$150.23

Previous Close

$151.42

Day Range

$149.17 - $155.53

52 Week Range

$54.18 - $155.53

Volume

426.3K

Average Volume (10 Days)

490.0K

Dividend Yield

Valuation Measurement

Market Cap

$9.93B

P/E Ratio (TTM)

119.77

P/S Ratio (TTM)

35.21

Price / Book

11.80

Financial Highlights

Profit Margin

-28.3%

Return on Assets

-9.0%

Return on Equity

-9.5%

Revenue (TTM)

$281.99M

Net Income (TTM)

$-79.94M

Diluted EPS (TTM)

$1.03

Total Cash (MRQ)

$420.08M

Levered FCF (TTM)

$-88.30M

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Best for:

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Earnings Calendar

Next Earnings

Estimated Q3 Release

Nov 04

Est. EPS

Adjusted consensus estimate

$1.99

Analyst Consensus

Buy

Based on 2 analyst ratings

Avg Target: $168.50

(+8.6% upside)

High: $186.00 · Low: $151.00

Strong Buy

0%

Buy

100%

Hold

0%

Sell

0%

Strong Sell

0%

View full analyst ratings