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LSE, 0Y3M: Prothena Corporation Plc

15 May 2026
LAST:

9.500

CHANGE:
 0.01		OPEN:
9.980		HIGH:
9.980		ASK:
0.000		VOLUME:
166
CHG(%):
0.11		PREV:
9.510		LOW:
9.500		BID:
0.000		 

CHART

RECENT END OF DAY PRICES

DateOpenHighLowCloseVolume
15 May 269.9809.9809.5009.500166
14 May 269.6809.9409.5109.510155
13 May 269.5509.5509.3109.310112
12 May 269.6709.8509.4809.580103
11 May 2610.82011.1209.80010.500657
08 May 2611.04011.66010.71510.7302.2K
07 May 2611.10011.10010.60010.610292
06 May 2611.19011.19011.18411.184100
05 May 2611.15011.23910.84111.090147
04 May 2610.90210.93010.77010.930189

PROFILE

Name:Prothena Corporation Plc
About: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.
Address:77 Sir John Rogerson?s Quay, Dublin, Ireland, D02 VK60
Website:https://www.prothena.com

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FUNDAMENTALS

Trailing P/E:7.44 
Price to Sales:26.61 
Price to Book:1.92 
Profit Margin:0.92 
Operating Margin:-16.46 
Return on Assets:-0.29 
Return on Equity:-0.68 
EPS Ratio:1.34 
Revenue:11.79M 
EBITDA:8.14M 
Shares:39.86M 
Market Cap:378.71M 

TECHNICAL INDICATORS

MA5:9.681.9%
MA10:10.298.4%
MA20:10.6011.5%
MA50:10.065.9%
MA100:9.621.2%
MA200:9.601.1%
STO9:8.09 
STO14:8.09 
RSI14:27.11 
WPR14:-89.93 
MTM14:-1.70
ROC14:-0.15 
ATR:0.55 
Week High:11.6622.7%
Week Low:9.312.0%
Month High:11.6622.7%
Month Low:9.311.1%
Year High:11.6722.8%
Year Low:4.34118.8%
Volatility:7.54