Prothena Corp Plc (PRTA) — Titan Protect Analysis

PRTA

Prothena Corp Plc

Healthcare · ·

$8.79

Data: 2026-06-03

✓ ETHICAL PASS

NONE MOAT

LIMITED

Data Confidence: 0.0%

Key Metrics

How this company measures up on the fundamentals that matter

Market Cap

$464M

Total market value of the company

Trailing P/E

N/A

Forward P/E

-6.76

Based on estimated future earnings — lower means cheaper

Rev Growth

+1,706.4%

Year-over-year revenue change

Profit Margin

-260.9%

How much profit the company keeps from each dollar of revenue

ROE

-40.3%

Return on equity — how efficiently it uses shareholder money

Analyst Target

$20.00

+128% from current price — median analyst estimate

Recommendation

NONE

Consensus view from 5 analysts covering this stock

About Prothena Corp Plc

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 tr

https://www.prothena.com

Country: Ireland Employees: 67 Industry: Biotechnology

Ethical Screening

Five compliance checks based on AAOIFI standards — all must pass for ethical clearance

Business Activity

PASS

Core business does not involve prohibited activities

Debt Ratio

0.0% PENDING

Debt must be below 33% of total assets

Cash Ratio

0.0% PENDING

Interest-bearing cash below 33% of assets

Receivables

0.0% PENDING

Receivables below 49% of assets

Revenue Purity

0.0% PENDING

Non-compliant revenue below 5% — any excess requires purification

Quantitative Intelligence

Statistical analysis of price behaviour, risk, and market regime — independent of fundamental data

Regime

DISTRIBUTION

Smart money appears to be selling into strength — caution

Sharpe Ratio

-0.350

Returns do not compensate for the risk — negative edge

Kelly Fraction

-0.0429

No positive edge detected — the data suggests staying out

Calmar Ratio

-0.441

Drawdown risk outweighs the returns — higher risk profile

Annual Return

-36.0%

Historical annualised return based on price data

Max Drawdown

-81.5%

Largest peak-to-trough decline — the worst it has been

HMM State

BEAR

Statistical model detects bearish conditions

Days in State

237

How long the current regime has persisted — longer means more stable

Market Data

Trading characteristics and market positioning

Beta

-0.23

Very low correlation to market moves

52W High

$11.80

26% below the year high

52W Low

$4.66

89% above the year low

Avg Volume

520,268

Average daily shares traded — higher means easier to buy and sell

Short Ratio

15.3

Days it would take all short sellers to cover — higher means more crowded

Short % Float

N/A

Div Yield

N/A

Annual dividend as a percentage of the share price

EPS (TTM)

$-2.81

Earnings per share over the last 12 months

Financial Health

Balance sheet strength and cash generation — the foundation of long-term value

Debt/Equity

2.45

Heavy leverage — higher financial risk if revenues decline

Current Ratio

N/A

Quick Ratio

N/A

Like current ratio but excludes inventory — stricter test

Gross Margin

-66.8%

Revenue left after cost of goods — higher means pricing power

Operating Margin

50.5%

Profit from core operations before interest and tax

Free Cash Flow

$-31,584,500

Negative — the business is spending more than it generates

Revenue (TTM)

$58M

Total revenue over the last 12 months

Net Income

$-151,176,000

Loss-making — spending exceeds revenue after all costs

Analyst Coverage

Analysts

Target High

$36.00

Target Median

$20.00

Target Low

$8.00

Explore the Ethical Screener View Track Record

Data sourced from public filings and market feeds. Not financial advice. Updated: 2026-06-03

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