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LSE, 0Y3M: Prothena Corp. PLC

06 Feb 2026
LAST:

8.897

CHANGE:
 0.06		OPEN:
8.750		HIGH:
8.920		ASK:
0.000		VOLUME:
100
CHG(%):
0.72		PREV:
8.833		LOW:
8.750		BID:
0.000		 

CHART

RECENT END OF DAY PRICES

DateOpenHighLowCloseVolume
06 Feb 268.7508.9208.7508.897100
05 Feb 268.8608.9408.8338.8331.4K
04 Feb 268.9508.9508.7268.726148
03 Feb 268.6638.9208.6638.663189
02 Feb 268.7908.8808.7628.833832
30 Jan 269.3209.3208.7308.730130
29 Jan 269.0609.2908.9608.9908.3K
28 Jan 269.9209.9209.3209.320321
27 Jan 269.92010.0609.9209.9601.2K
26 Jan 269.90010.2169.59010.1602.2K

PROFILE

Name:Prothena Corp. 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:6.84 
Price to Sales:26.61 
Price to Book:1.68 
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:354.67M 

TECHNICAL INDICATORS

MA5:8.791.2%
MA10:9.112.4%
MA20:9.253.9%
MA50:9.618.0%
MA100:9.8710.9%
MA200:8.415.8%
STO9:16.75 
STO14:13.24 
RSI14:43.49
WPR14:-85.59 
MTM14:-0.21
ROC14:-0.02 
ATR:0.40 
Week High:9.324.8%
Week Low:8.662.7%
Month High:10.4317.2%
Month Low:8.665.8%
Year High:16.7788.5%
Year Low:4.34104.9%