[[ type === 'moc' ? 'MARKET ON CLOSE' : 'FREE WEBINAR' ]]
[[ timeLabel ]] WATCH LIVE:
Your browser of choice has not been tested for use with Barchart.com. If you have issues, please download one of the browsers listed here.
UNLIMITED Watchlists, Portfolios, Screeners, and other Barchart tools with Barchart Premier. FREE 30 Day Trial
Stocks | Futures | Watchlist | News | More
or
Faster, Cleaner, Better.

Prothena Corp (PRTA)

Prothena Corp (PRTA)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] by (Cboe BZX)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] [[ item.lastPriceExt ]] [[ item.priceChangeExt ]] ([[ item.percentChangeExt ]]) [[ item.tradeTimeExt ]]
Profile for [[ item.sessionDateDisplayLong ]]

Company Info

Prothena Corp 77 SIR JOHN ROGERSON`S QUAY BLOCK C GRAND CANAL DOCKLANDS DUBLIN 2 L2 D02 VK60 IRL

www.prothena.com Employees: 67 P: 011-353-1236 F: 353-190-2351

Sector:

Medical

Description:

Prothena Corp. plc, being a clinical-stage neuroscience company, focused on the development of novel therapeutic therapies for life-threatening diseases. Its wholly owned programs include birtamimab for the potential treatment of AL amyloidosis, PRX004 for the potential treatment of ATTR amyloidosis and a portfolio of programs for the potential treatment of Alzheimer's disease including PRX012 that targets A'.'Prothena is also developing candidates in collaboration with bigwigs like Roche and Bristol-Myers Squibb. These programs include prasinezumab, in collaboration with Roche for the potential treatment of Parkinson's disease and other related synucleinopathies, and programs that target tau, TDP-43 and an undisclosed target in collaboration with Bristol-Myers Squibb for the potential treatment of Alzheimer's disease, amyotrophic lateralsclerosis, etc. It sold PRX004 and the broader ATTR amyloidosis program to Novo Nordisk. It derives revenues from license, development & commercialization agreements.

Key Statistics

Overview:

Market Capitalization, $K 572,783
Enterprise Value, $K 265,253
Shares Outstanding, K 53,833
Float, K 48,234
% Float 89.60%
Short Interest, K 7,077
Short Float 13.15%
Days to Cover 15.33
Short Volume Ratio 0.40
% of Insider Shareholders 10.40%
% of Institutional Shareholders 97.08%

Financials:

Annual Sales, $ 9,680 K
Annual Net Income, $ -244,090 K
Last Quarter Sales, $ 20 K
Last Quarter Net Income, $ -21,590 K
EBIT, $ -214,640 K
EBITDA, $ -210,940 K

Growth:

1-Year Return 22.02%
3-Year Return -86.46%
5-Year Return -56.78%
5-Year Revenue Growth 1,038.82%
5-Year Earnings Growth -47.12%
5-Year Dividend Growth 0.00%

Per-Share Information:

Most Recent Earnings -0.44 on 02/19/26
Next Earnings Date 05/14/26 [AMC]
Earnings Per Share ttm -4.09
EPS Growth vs. Prev Qtr 34.33%
EPS Growth vs. Prev Year 59.26%
Annual Dividend & Yield (Paid) 0.00 (0.00%)
Annual Dividend & Yield (Fwd) 0.00 (0.00%)
Dividend Payout Ratio 0.00%

PRTA Ratios

Ratio
Price/Earnings ttm 0.00
Price/Earnings forward 15.91
Price/Earnings to Growth 0.39
Return-on-Equity % -65.89%
Return-on-Assets % -56.00%
Profit Margin % -2,521.59%
Debt/Equity 0.00
Price/Sales 61.48
Price/Cash Flow N/A
Price/Book 2.12
Book Value/Share 5.21
Interest Coverage -1.24
60-Month Beta -0.23
Want to use this as
your default charts setting?
Save this setup as a Chart Templates
Switch the Market flag
for targeted data from your country of choice.
Open the menu and switch the
Market flag for targeted data from your country of choice.
Want Streaming Chart Updates?
Switch your Site Preferences
to use Interactive Charts
Need More Chart Options?
Right-click on the chart to open the Interactive Chart menu.
Use your up/down arrows to move through the symbols.