Prothena Corp PLC logo

Prothena Corp PLC

NEW
NAS:PRTA (Ireland)   Ordinary Shares
$ 9.29 +0.58 (+6.66%) 10:08 PM EST
At Loss
P/B:
1.68
Market Cap:
$ 476.92M
Enterprise V:
$ 195.72M
Volume:
385.54K
Avg Vol (2M):
546.16K
Trade In:
Volume:
385.54K
At Loss
Avg Vol (2M):
546.16K

Business Description

Prothena Corp PLC logo
Prothena Corp PLC

ISIN : IE00B91XRN20

Share Class Description:

PRTA: Ordinary Shares

Total Employee Number:

67
Description
Prothena Corp PLC is a late-stage clinical biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating neurodegenerative and rare and peripheral amyloid diseases. Prothena is developing and applying its proprietary CYTOPE technology to target a broad spectrum of intracellular disease pathways in the brain and periphery. The company's pipeline includes both wholly-owned and partnered programs like Prasinezumab, Coramitug (PRX004), BMS-986446 (PRX005), PRX019, TDP-43 CYTOPE, and PRX012-TfR, being developed for the potential treatment of Parkinson's disease, ATTR amyloidosis with cardiomyopathy, Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), and other neurodegenerative diseases.
Name Current Vs Industry Vs History
Cash-To-Debt
41.22
Equity-to-Asset
0.95
Debt-to-Equity
0.02
Debt-to-EBITDA
-0.12
Interest Coverage
N/A
N/A
N/A
Piotroski F-Score
5/9
0
1
2
3
4
5
6
7
8
9
Altman Z-Score
11.75
Distress
Grey
Safe
Beneish M-Score
2
Manipulator
Not Manipulator
WACC vs ROIC
WACC
ROIC
Name Current Vs Industry Vs History
5-Day RSI
68.75
9-Day RSI
63.24
14-Day RSI
58.41
3-1 Month Momentum %
-4.52
6-1 Month Momentum %
-4.1
12-1 Month Momentum %
1.64

Liquidity Ratio

Name Current Vs Industry Vs History
Current Ratio
25.05
Quick Ratio
25.05
Cash Ratio
24.72

Dividend & Buy Back

Name Current Vs Industry Vs History
3-Year Average Share Buyback Ratio
-1.1
Shareholder Yield %
5.61
Name Current Vs Industry Vs History
Operating Margin %
-109.79
Net Margin %
-80.68
EBITDA Margin %
-108.27
FCF Margin %
-110.14
OCF Margin %
-110.12
ROE %
-14.67
ROA %
-12.71
ROIC %
-186.28
3-Year ROIIC %
234.61
ROC (Joel Greenblatt) %
-571.16
ROCE %
-19.61
Years of Profitability over Past 10-Year
1
Moat Score
5
Tariff Resilience Score
6

Financials (Next Earnings Date:2026-11-06 Est.)

PRTA's 30-Y Financials
Income Statement Breakdown FY
Not Enough Data
Balance Sheet Breakdown
Not Enough Data
Cashflow Statement Breakdown
Not Enough Data

Operating Revenue by Business Segment

Operating Revenue by Geographic Region

Historical Operating Revenue by Business Segment

Historical Operating Revenue by Geographic Region

5-Step DuPont Analysis as of
Not Enough Data

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Performance

Dividend
Log
Bar
To

Annualized Return %  

Symbol
1 Week
1 Month
3 Months
6 Months
YTD
1 Year
3 Years
5 Years
10 Years

Total Annual Return %  

Symbol
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017

Prothena Corp PLC Executives

Details

Valuation Chart

Year:

Analyst Estimate

Key Statistics

Name Value
Revenue (TTM) (Mil $) 54.53
EPS (TTM) ($) -0.84
Beta 0.9205
3-Year Sharpe Ratio -0.98
3-Year Sortino Ratio -1.11
Volatility % 42.83
14-Day RSI 58.41
14-Day ATR ($) 0.429621
20-Day SMA ($) 8.735
12-1 Month Momentum % 1.64
52-Week Range ($) 7.73 - 11.8
Shares Outstanding (Mil) 51.34

Piotroski F-Score Details

Year:
Component Result
Piotroski F-Score 5
Positive ROA
Positive CFROA
Higher ROA yoy
CFROA > ROA
Lower Leverage yoy
Higher Current Ratio yoy
Less Shares Outstanding yoy
Higher Gross Margin yoy
Higher Asset Turnover yoy

Prothena Corp PLC Filings

Filing Date Document Date Form
No Filing Data

Prothena Corp PLC Stock Events

Financials Calendars
Event Date Price ($)
Fourth quarter earnings conference call for 2026 2027-02-19 16:30 In 184 days
Fourth quarter earnings results for 2026 2027-02-19 In 183 days
Third quarter earnings results for 2026 2026-11-06 In 78 days
Second quarter earnings results for 2026 2026-08-06 8.49 (+0.00%)
General meeting for 2026 2026-05-14 16:00 9.60 (+2.89%)
First quarter earnings results for 2026 2026-05-07 11.18 (-0.09%)
Annual report for 2025 2026-02-27 8.64 (-2.70%)
Fourth quarter earnings conference call for 2025 2026-02-19 16:30 9.09 (+3.18%)
Fourth quarter earnings results for 2025 2026-02-19 9.09 (+3.18%)
Evercore Healthcare Conference 2025-12-04 10:50 11.17 (+7.40%)
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Prothena Corp PLC Frequently Asked Questions

What is Prothena Corp PLC(PRTA)'s stock price today?
The current price of PRTA is $9.29. The 52 week high of PRTA is $11.80 and 52 week low is $7.73.
When is next earnings date of Prothena Corp PLC(PRTA)?
The next earnings date of Prothena Corp PLC(PRTA) is 2026-11-06 Est..
Does Prothena Corp PLC(PRTA) pay dividends? If so, how much?
Prothena Corp PLC(PRTA) does not pay dividend.

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