$76.25
3.69% today
Nasdaq, Oct 14, 03:48 pm CET
ISIN
US74366E1029
Symbol
PTGX

Protagonist Therapeutics, Inc. Stock price

$79.17
+20.79 35.61% 1M
+34.14 75.82% 6M
+40.57 105.10% YTD
+32.82 70.81% 1Y
+70.83 849.28% 3Y
+57.60 267.04% 5Y
+67.47 576.67% 10Y
+67.47 576.67% 20Y
Nasdaq, Closing price Mon, Oct 13 2025
-7.83 9.00%

Key metrics

Basic
Market capitalization
$4.9b
Enterprise Value
$4.4b
Net debt
positive
Cash
$570.5m
Shares outstanding
62.1m
Valuation (TTM | estimate)
P/E
97.7 | negative
P/S
23.5 | 105.5
EV/Sales
20.8 | 93.3
EV/FCF
117.4
P/B
7.4
Financial Health
Equity Ratio
90.7%
Return on Equity
40.8%
ROCE
3.5%
ROIC
17.9%
Debt/Equity
0.0
Financials (TTM | estimate)
Revenue
$209.2m | $46.7m
EBITDA
$25.7m | $-153.7m
EBIT
$24.0m | $-154.0m
Net Income
$52.0m | $-126.9m
Free Cash Flow
$37.1m
Growth (TTM | estimate)
Revenue
-34.5% | -89.3%
EBITDA
-83.4% | -160.1%
EBIT
-84.3% | -160.9%
Net Income
-69.4% | -146.1%
Free Cash Flow
-83.9%
Margin (TTM | estimate)
Gross
-
EBITDA
12.3% | -329.3%
EBIT
11.5%
Net
24.9% | -271.8%
Free Cash Flow
17.7%
More
EPS
$0.8
FCF per Share
$0.6
Short interest
12.8%
Employees
126
Rev per Employee
$3.5m
Show more

Is Protagonist Therapeutics, Inc. a Top Scorer Stock based on the Dividend, High-Growth-Investing or Leverman Strategy?

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Protagonist Therapeutics, Inc. Stock Analysis

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Analyst Opinions

19 Analysts have issued a Protagonist Therapeutics, Inc. forecast:

17x Buy
89%
2x Hold
11%

Analyst Opinions

19 Analysts have issued a Protagonist Therapeutics, Inc. forecast:

Buy
89%
Hold
11%

Financial data from Protagonist Therapeutics, Inc.

Income Statement P&L | Balance Sheet | Cash Flow


Quarter TTM Annually
Jun '25
+/-
%
209 209
34% 34%
100%
- Direct Costs - -
-
-
- -
-
-
- Selling and Administrative Expenses 41 41
3% 3%
20%
- Research and Development Expense 144 144
13% 13%
69%
26 26
83% 83%
12%
- Depreciation and Amortization 1.73 1.73
21% 21%
1%
EBIT (Operating Income) EBIT 24 24
84% 84%
11%
Net Profit 52 52
69% 69%
25%

In millions USD.

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Protagonist Therapeutics, Inc. Stock News

Positive
Seeking Alpha
2 days ago
Johnson & Johnson (JNJ) is rumored to be in talks to acquire Protagonist Therapeutics (PTGX), following significant buyout speculation and a 30% PTGX stock surge. PTGX's value is underpinned by its oral immunology drug icotrokinra and blockbuster potential of rusfertide for polycythemia vera, both with strong partnership structures. A JNJ acquisition could save milestone payments, secure future...
Positive
The Motley Fool
4 days ago
Clinical-stage biotech Protagonist Therapeutics (PTGX 29.76%) was all the rage on the stock market Friday. The company's share price closed a dizzying 29.8% higher on the day, thanks to intense takeover speculation.
Positive
Reuters
4 days ago
Johnson & Johnson is in discussions to buy Protagonist Therapeutics , the Wall Street Journal reported on Friday, citing people familiar with the matter.
More Protagonist Therapeutics, Inc. News

Company Profile

Protagonist Therapeutics, Inc. engages in the research and development of novel constrained peptide-based drug candidates that address significant unmet medical needs. Its product pipeline include 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.

Head office United States
CEO Dinesh Patel
Employees 126
Founded 2006
Website www.protagonist-inc.com

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