$2.28T
Total marketcap
$350.2B
Total volume
BTC 55.15%     ETH 9.40%
Dominance

Prothena PRTA Stock

$8.92   -2.937970%
Add to favorites
Market Cap
$466.99M
LOW - HIGH [24H]
$8.73 - $9.21
VOLUME [24H]
$578.12K
P/E Ratio
0
Earnings per share
-$2.81
ISIN
IE00B91XRN20
Price   Prediction

Prothena Price Chart

Sorry, that's all we've gotfor now...

Prothena PRTA Financial and Trading Overview

Prothena stock price 8.92 USD
Previous Close 10.18 USD
Open 10.03 USD
Bid 7.26 USD x 200
Ask 12.17 USD x 200
Day's Range 9.5 - 10.03 USD
52 Week Range 4.53 - 11.8 USD
Volume 367.79K USD
Avg. Volume 527.69K USD
Market Cap 502.07M USD
Beta (5Y Monthly) -0.228
PE Ratio (TTM) N/A
EPS (TTM) -2.81 USD
Forward Dividend & Yield N/A (N/A)
Ex-Dividend Date N/A
1y Target Est 21.4 USD

PRTA Valuation Measures

Enterprise Value 211.15M USD
Trailing P/E N/A
Forward P/E -7.320611
PEG Ratio (5 yr expected) N/A
Price/Sales (ttm) 8.665301
Price/Book (mrq) 1.6281834
Enterprise Value/Revenue 3.644
Enterprise Value/EBITDA -2.287

Trading Information

Prothena Stock Price History

Beta (5Y Monthly) -0.228
52-Week Change 118.45%
S&P500 52-Week Change 27.69%
52 Week High 11.8 USD
52 Week Low 4.53 USD
50-Day Moving Average 10.12 USD
200-Day Moving Average 9.62 USD

PRTA Share Statistics

Avg. Volume (3 month) 527.69K USD
Avg. Daily Volume (10-Days) 582.09K USD
Shares Outstanding 52.35M
Float 36.75M
Short Ratio 15.3
% Held by Insiders 20.24%
% Held by Institutions 90.69%
Shares Short 7.1M
Short % of Float 16.25%
Short % of Shares Outstanding 13.56%

Dividends & Splits

Trailing Annual Dividend Rate 0
Trailing Annual Dividend Yield 0%
5 Year Average Dividend Yield N/A
Payout Ratio 0
Last Split Factor

Financial Highlights

Fiscal Year

Fiscal Year Ends December 31, 2025
Most Recent Quarter (mrq) March 31, 2026
Next Fiscal Year End December 31, 2026

Profitability

Profit Margin -260.91%
Operating Margin (ttm) 50.48%
Gross Margin -66.84%
EBITDA Margin -159.35%

Management Effectiveness

Return on Assets (ttm) -13.78%
Return on Equity (ttm) -40.29%

Income Statement

Revenue (ttm) 57.94M USD
Revenue Per Share (ttm) 1.08 USD
Quarterly Revenue Growth (yoy) 1706.40%
Gross Profit (ttm) -38728000 USD
EBITDA -92332000 USD
Net Income Avi to Common (ttm) -151176000 USD
Diluted EPS (ttm) -2.81
Quarterly Earnings Growth (yoy) N/A

Balance Sheet

Total Cash (mrq) 329.46M USD
Total Cash Per Share (mrq) 6.29 USD
Total Debt (mrq) 7.65M USD
Total Debt/Equity (mrq) 2.45 USD
Current Ratio (mrq) 10.431
Book Value Per Share (mrq) 5.89

Cash Flow Statement

Operating Cash Flow (ttm) -81340000 USD
Levered Free Cash Flow (ttm) -31584500 USD

Profile of Prothena

Country United States
State N/A
City Dublin
Address 77 Sir John Rogerson’s Quay
ZIP D02 VK60
Phone 353 1 236 2500
Website https://www.prothena.com
Industry Biotechnology
Sector(s) Healthcare
Full Time Employees 67

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. 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.

Q&A For Prothena Stock

What is a current PRTA stock price?

Prothena PRTA stock price today per share is 8.92 USD.

How to purchase Prothena stock?

You can buy PRTA shares on the Tech Market Large exchange. Contact your financial advisor to select a broker.

What is the ticker symbol for Prothena?

The stock symbol or ticker of Prothena is PRTA.

Which industry does the Prothena company belong to?

The Prothena industry is Biotechnology.

How many shares does Prothena have in circulation?

The max supply of Prothena shares is 52.35M.

What is Prothena Price to Earnings Ratio (PE Ratio)?

Prothena PE Ratio is now.

What was Prothena earnings per share over the trailing 12 months (TTM)?

Prothena EPS is -2.81 USD over the trailing 12 months.

Which sector does the Prothena company belong to?

The Prothena sector is Healthcare.

Prothena PRTA included in indexes

Name Name Price Price 24h%
7d chart
24h% & 7d
VOL Volume 24h low 24h high Volume
Name Name Price Price 24h%
7d chart
24h% & 7d
VOL Volume 24h low 24h high Volume
{{ item.name }} {{ item.symbol }} {{ item.price }} {{ item.price_usd }}
{{ item.change_pct }}
{{ item.volume }} {{ item.volume_usd }} {{ item.low }} {{ item.low_usd }} {{ item.high }} {{ item.high_usd }} {{ item.components_count }} {{ item.volume }} {{ item.volume_usd }}
US Tech Composite IXIC 26853.98 USD
-0.89
8.32B USD 26769.16 USD 27130.88 USD 8.32B USD
US Tech Composite Total Return XCMP 33104.2 USD
-0.89
32999.64 USD 33445.55 USD
US Tech US Smart Pharmaceuticals NQSSPH 1832.72 USD
+1.64
1800.06 USD 1835.39 USD
US Tech AlphaDEX Multi Cap Growt NQDXUSMLTCG 4054.02 USD
-0.25
4019.75 USD 4077 USD
US Tech Biotechnology NBI 5807.22 USD
+1.87
5685.34 USD 5809.82 USD
US Tech Health Care IXHC 1133.51 USD
+1.54
1113.35 USD 1133.95 USD
US Tech Biotechnology Total Retu XNBI 6334.93 USD
+1.87
6201.97 USD 6337.77 USD
US Tech US 700 Small Cap Index NQUS700SC 2992.49 USD
-1.38
2986.86 USD 3018.97 USD
US Tech Global Select Market Com NQGS 13180.97 USD
-0.87
13139.79 USD 13316.81 USD
Stlmt ID US Tech Biotechnology NBX 3995.9 USD
-4.37
4555.41 USD 4917.8 USD
Select currency