Prothena Plc

(NASDAQ) PRTA

Current Price$9.95

Market Cap$524.58M

Since IPO (2012)+39%

5 Year-79%

1 Year+62%

1 Month-0%

Prothena Plc Financials at a Glance

Market Cap

$524.58M

Revenue (TTM)

$57.94M

Net Income (TTM)

-$151.18M

EPS (TTM)

-$2.81

P/E Ratio

-3.56

Dividend

$0.00

Beta (Volatility)

1.40 (Average)

Dividend

$0.00

Beta (Volatility)

1.40 (Average)

Price

$9.95

Volume

116,021.042

Open

$10.00

Price

$9.95

Volume

116,021.042

Open

$10.00

Previous Close

$10.02

Daily Range

$9.78 - $10.12

52-Week Range

$5.96 - $11.80

Estimated Earnings Date

Aug 3, 2026

Dividend

$0.00

Beta (Volatility)

1.40 (Average)

Price

$9.95

Volume

116,021.042

Open

$10.00

Previous Close

$10.02

Daily Range

$9.78 - $10.12

52-Week Range

$5.96 - $11.80

Estimated Earnings Date

Aug 3, 2026

PRTA News

Page 1

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About Prothena Plc

Industry

Biotechnology

Sector

Health Care

Employees

CEO

Gene G. Kinney, PhD

Website

www.prothena.com

Headquarters

Dublin, D02 VK60, IE

PRTA Financials

Key Financial Metrics (TTM)

Gross Margin

46.85%

Operating Margin

-217.94%

Net Income Margin

-260.92%

Return on Equity

-49.88%

Return on Capital

-62.70%

Return on Assets

-43.21%

Earnings Yield

-28.09%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$524.58M

Shares Outstanding

52.35M

Volume

116.02K

Avg. Volume

539.21K

Financials (TTM)

Gross Profit

$27.14M

Operating Income

-$126.28M

EBITDA

-$74.72M

Operating Cash Flow

-$81.34M

Capital Expenditure

-$96.00K

Free Cash Flow

-$81.44M

Cash & ST Invst.

$329.46M

Total Debt

$7.65M

Prothena Plc Performance Analysis

Revenue Growth Rate

Annual and quarterly growth comparison

Earnings Per Share Growth Rate

Annual and quarterly EPS growth comparison

Quarterly Performance

Name

Q1 2026YOY CHG

Revenue

$51.08M

+1706.4%

Gross Profit

$50.17M

+1673.9%

Gross Margin

98.20%

N/A

Market Cap

$524.58M

N/A

Market Cap/Employee

$7.83M

N/A

Employees

N/A

Net Income

$32.72M

+154.4%

EBITDA

$33.64M

+155.0%

Quarterly Fundamentals

Name

Q1 2026YOY CHG

Total Cash

$329.46M

-21.2%

Total Debt

$7.65M

-25.0%

Accounts Receivable

$0.00

N/A

Inventory

$0.00

N/A

Long Term Debt

$4.76M

-37.1%

Short Term Debt

$2.89M

+10.1%

Return on Assets

-43.21%

N/A

Return on Invested Capital

-39.79%

N/A

Free Cash Flow

$28.88M

+154.1%

Operating Cash Flow

$28.88M

+154.1%

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Questions About PRTA

What is the current price of Prothena Plc?

Prothena Plc is trading at $9.95 per share.

What is the 52-week range for Prothena Plc?

Over the past 52 weeks, Prothena Plc has traded between $5.96 and $11.80.

How much debt does Prothena Plc have?

As of the most recent reporting period, Prothena Plc reported total debt of $7.65M.

How much cash does Prothena Plc have on hand?

Prothena Plc reported $329.46M in cash and cash equivalents in its most recent financial results.

What is Prothena Plc’s dividend yield?

Prothena Plc does not currently have a dividend yield.

Prothena Plc

Prothena Plc Financials at a Glance

PRTA News

Prothena Q2 Revenue Drops 97%

With Prothena Up Over 500% This Year, Is It Too Late to Get in?

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The Reason Behind Prothena Corporation PLC's Plunge of as Much as 25%

Why Prothena Corp plc Skyrocketed 43% in July

3 Best Stocks for Risk-Tolerant Investors

PRTA: Motley Fool Moneyball Superscore

Our CEO Is Handing Members His Secret Weapon

About Prothena Plc

PRTA Financials

Key Financial Metrics (TTM)

Stock Overview

Financials (TTM)

Prothena Plc Performance Analysis

Revenue Growth Rate

Earnings Per Share Growth Rate

Quarterly Performance

Quarterly Fundamentals

Other Investments to Explore

People Also Watch

Trending Stocks

Questions About PRTA

What is the current price of Prothena Plc?

What is the 52-week range for Prothena Plc?

How much debt does Prothena Plc have?

How much cash does Prothena Plc have on hand?

What is Prothena Plc’s dividend yield?

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