We have set up our new Discord server! Share your feedback and find like-minded people! Join our Discord

Ticker
PRTA

Price
5.72
Stock movement up
+0.04 (0.47%)
Company name
Prothena Corporation plc
Exchange
(NASDAQ
,
Currency
USD
)
Sector
Healthcare >
Biotechnology
Market cap
460.78M
Ent value
2.41M
Price/Sales
3.46
Price/Book
0.86
Div yield
-
Div growth
-
Growth years
-
FCF payout
-
Trailing P/E
-
Forward P/E
-
PEG
-
EPS growth
-6.83%
1 year return
-59.60%
3 year return
-35.65%
5 year return
-7.02%
10 year return
-17.85%
Last updated: 2025-09-15

iO Charts is a Seeking Alpha partner

DIVIDENDS

PRTA does not pay dividends or no data was received

iO Charts is a Seeking Alpha partner

iO Charts is a Seeking Alpha partner

VALUATION

Valuation Ratios

Loading...
Valuation Ratios data
Trailing P/E-
Price to OCF-
Price to FCF-
Price to EBITDA-
EV to EBITDA-

Valuation (Sales/Book Value)

Loading...
Valuation (Sales/Book Value) data
Price to Sales3.46
Price to Book0.86
EV to Sales0.02

iO Charts is a Seeking Alpha partner

FINANCIALS

Per share

Loading...
Per share data
Current share count53.83M
EPS (TTM)-2.45
FCF per share (TTM)-2.88

Income statement

Loading...
Income statement data
Revenue (TTM)133.35M
Gross profit (TTM)60.67M
Operating income (TTM)-168.18M
Net income (TTM)-131.83M
EPS (TTM)-2.45
EPS (1y forward)-1.11

Margins

Loading...
Margins data
Gross margin (TTM)45.50%
Operating margin (TTM)-126.12%
Profit margin (TTM)-98.86%

Balance Sheet

Loading...
Please create a free account or log in to access this chart
Balance Sheet data
Cash519.26M
Net receivables0.00
Total current assets534.98M
Goodwill0.00
Intangible assets0.00
Property, plant and equipment22.74M
Total assets595.25M
Accounts payable10.33M
Short/Current long term debt11.49M
Total current liabilities46.42M
Total liabilities60.89M
Shareholder's equity534.36M
Net tangible assets0.00

Cash flow

Loading...
Please create a free account or log in to access this chart
Cash flow data
Operating cash flow (TTM)-153.09M
Capital expenditures (TTM)1.80M
Free cash flow (TTM)-154.89M
Dividends paid (TTM)0.00

Financial returns

Loading...
Please create a free account or log in to access this chart
Financial returns data
Return on Equity-24.67%
Return on Assets-22.15%
Return on Invested Capital-24.55%
Cash Return on Invested Capital-28.85%

STOCK INFORMATION

Stock chart

Loading...
Stock price data
Open8.41
Daily high8.57
Daily low8.32
Daily Volume858K
All-time high78.89
1y analyst estimate26.00
Beta-0.03
EPS (TTM)-2.45
Dividend per share-
Ex-div date-
Next earnings date30 Oct 2025

Downside potential

Loading...
Downside potential data
PRTAS&P500
Current price drop from All-time high-89.15%-1.46%
Highest price drop-94.19%-56.47%
Date of highest drop27 May 20259 Mar 2009
Avg drop from high-50.11%-10.99%
Avg time to new high39 days12 days
Max time to new high1456 days1805 days

iO Charts is a Seeking Alpha partner

COMPANY DETAILS
PRTA (Prothena Corporation plc) company logo
Marketcap
460.78M
Marketcap category
Small-cap
Description
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. Its product pipeline include Prasinezumab, an investigational humanized monoclonal antibody which is in phase 2b clinical trial, as well as phase 1 and 2 clinical trials for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in phase 2 clinical trial for potential treatment of transthyretin amyloidosis; BMS-986446, an investigational antibody, which is in phase 2 clinical trial to treat Alzheimer's disease; PRX012, an investigational antibody, which is in phase 1 clinical trial to treat Alzheimer's disease; PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease; and PRX019, an investigational antibody, which is in phase 1 clinical trial for the potential treatment of neurodegenerative diseases. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.
Employees
163
Investor relations
-
SEC filings
CEO
Gene G. Kinney
Country
USA
City
Dun Laoghaire
Stock type
Common stock
CCC status
-
Dividend Frequency
-
EVENTS AND PRESENTATIONS
EventsPresentations
Loading...

iO Charts is a Seeking Alpha partner

UNDERSTAND THE BUSINESS
Loading...