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
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
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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Earnings Calendar
Next Earnings
Estimated Q3 Release
Nov 04
Est. EPS
Adjusted consensus estimate
$1.99
Analyst Consensus
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%