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Protagonist Therapeutics Stock Quote

Protagonist Therapeutics (NASDAQ: PTGX)

$88.73
(1.5%)
+1.32
Price as of December 23, 2025, 4:00 p.m. ET

KEY DATA POINTS

Current Price
$88.73
Daily Change
(1.5%) +$1.32
Day's Range
$87.27 - $90.00
Previous Close
$88.73
Open
$87.27
Beta
1.34
Volume
10
Average Volume
1,189,113
Market Cap
$5.5B
Market Cap / Employee
$88.73M
52wk Range
$33.70 - $96.54
Revenue
N/A
Gross Margin
0.99%
Dividend Yield
N/A
EPS
$0.63
CAPs Rating
N/A
Industry
Biotechnology

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Protagonist Therapeutics Return vs. S&P

1 Year5 Year5 Year AnnualizedSince IPO
PTGX+118.55%+273.6%+30.16%+647%
S&P+15.66%+86.6%+13.29%+216%
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Protagonist Therapeutics Company Info

Protagonist Therapeutics, Inc. a clinical-stage biopharmaceutical company, which engages in discovering and developing peptide-based therapeutic drugs to address unmet medical needs. Its product pipeline includes PTG-300, PTG-200, and PN-943. The company was founded by Mark L. Smythe on August 22, 2006 and is headquartered in Newark, CA.

News & Analysis

Financial Health

General

Q3 2025YOY Change
Revenue$4.71M0.8%
Gross Profit$4.35M8.0%
Gross Margin92.34%6.2%
Market Cap$4.13B55.9%
Market Cap / Employee$32.29M52.3%
Employees1280.0%
Net Income-$39,339.00K-18.5%
EBITDA-$46,060.00K-12.9%

Currently no data to display

Revenue Growth Rate

Currently no data to display.

Earnings Per Share Growth Rate

Currently no data to display.

Assets

Q3 2025YOY Change
Net Cash$113.71M-13.3%
Accounts Receivable$583.00K0.0%
Inventory00.0%

Liabilities

Q3 2025YOY Change
Long Term Debt$8.52M-21.5%
Short Term Debt$2.23M4851.1%

Ratios

Q3 2025YOY Change
Return On Assets7.03%-29.6%
Return On Invested Capital-21.34%24.2%

Cash Flow

Q3 2025YOY Change
Free Cash Flow-$2,025.00K92.9%
Operating Free Cash Flow-$1,937.00K93.0%

Valuation

MetricQ4 2024Q1 2025Q2 2025Q3 2025YoY Change
Price to Earnings9.1863.5777.56104.88521.25%
Price to Book4.324.374.976.1826.43%
Price to Sales5.9014.6516.7820.25135.88%
Price to Tangible Book Value4.324.374.976.1826.43%
Price to Free Cash Flow TTM14.029.0894.6266.49448.36%
Enterprise Value to EBITDA16.92-130.14-70.71-79.7040.08%
Free Cash Flow Yield7.1%11.0%1.1%1.5%-81.76%
Return on Equity54.4%9.0%8.6%7.8%-80.96%
Total Debt$10.87M$11.36M$11.28M$10.75M-1.39%

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