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Ticker
PRTA

Price
10.48
Stock movement down
-0.17 (-1.60%)
Company name
Prothena Corporation plc
Exchange
(NASDAQ
,
Currency
USD
)
Sector
Healthcare >
Biotechnology
Market cap
564.14M
Ent value
105.77M
Price/Sales
4.23
Price/Book
1.06
Div yield
-
Div growth
-
Growth years
-
FCF payout
-
Trailing P/E
-
Forward P/E
-
PEG
-
EPS growth
-6.83%
1 year return
-40.42%
3 year return
-
5 year return
-
10 year return
-
Last updated: 2025-10-30

iO Charts is a Seeking Alpha partner

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

VALUATION

Valuation Ratios

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

Valuation (Sales/Book Value)

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Valuation (Sales/Book Value) data
Price to Sales4.23
Price to Book1.06
EV to Sales0.79

iO Charts is a Seeking Alpha partner

iO Charts is a Seeking Alpha partner

FINANCIALS

Per share

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

Income statement

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Income statement data
Revenue (TTM)-
Gross profit (TTM)-
Operating income (TTM)-
Net income (TTM)-
EPS (TTM)-
EPS (1y forward)-0.41

Margins

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Margins data
Gross margin (TTM)-
Operating margin (TTM)-
Profit margin (TTM)-

Balance Sheet

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Balance Sheet data
Cash330.84M
Net receivables0.00
Total current assets339.97M
Goodwill0.00
Intangible assets0.00
Property, plant and equipment0.00
Total assets352.63M
Accounts payable10.50M
Short/Current long term debt9.08M
Total current liabilities51.44M
Total liabilities57.64M
Shareholder's equity0.00
Net tangible assets0.00

Cash flow

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Cash flow data
Operating cash flow (TTM)-
Capital expenditures (TTM)-
Free cash flow (TTM)-
Dividends paid (TTM)-

Financial returns

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Financial returns data
Return on Equity-
Return on Assets-
Return on Invested Capital-
Cash Return on Invested Capital-

iO Charts is a Seeking Alpha partner

STOCK INFORMATION

Stock chart

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Stock price data
Open10.63
Daily high10.81
Daily low10.35
Daily Volume381K
All-time high78.89
1y analyst estimate18.33
Beta-0.11
EPS (TTM)-
Dividend per share0.00
Ex-div date-
Next earnings date10 Nov 2025

Downside potential

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Downside potential data
PRTAS&P500
Current price drop from All-time high-86.72%-1.10%
Highest price drop-94.19%-19.00%
Date of highest drop27 May 20258 Apr 2025
Avg drop from high-85.99%-2.76%
Avg time to new high-5 days
Max time to new high266 days89 days
COMPANY DETAILS
PRTA (Prothena Corporation plc) company logo
Marketcap
564.14M
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
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UNDERSTAND THE BUSINESS
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