PROTHENA CORPORATION PLC

NASDAQ: PRTA (Prothena Corporation plc)

Last update: yesterday, 4:27AM

8.36

-0.18 (-2.11%)

Previous Close 8.54
Volume 675,827
Price / Earnings (Forward) 10.63
Price / Sales 8.54
Price / Book 1.55
52 Weeks Range
7.73 (-7%) — 11.80 (41%)
Profit Margin -79.94%
Operating Margin (TTM) -2,318.99%
Diluted EPS (TTM) -2.05
Quarterly Revenue Growth (YOY) 5,556.00%
Total Debt/Equity (MRQ) 2.33%
Current Ratio (MRQ) 9.00
Operating Cash Flow (TTM) -130.36 M
Levered Free Cash Flow (TTM) -35.38 M
Return on Assets (TTM) -15.49%
Return on Equity (TTM) -23.46%

Market Trend

Short Term Medium Term
Industry Biotechnology (US) Mixed Bullish
Biotechnology (Global) Mixed Bullish
Stock Prothena Corporation plc Mixed Bearish

AIStockmoo Score

0.1
Analyst Consensus NA
Insider Activity 4.0
Price Volatility 0.5
Technical Moving Averages -1.5
Technical Oscillators -2.5
Average 0.13

Similar Stocks

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PRTA - - - 1.55
VKTX - - - 11.90
RAPP - - - 3.89
MDXG - - - 3.23
ORIC - - - 3.62
IVVD - - - 1.50

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.

Sector Healthcare
Industry Biotechnology
Investment Style Small Core
% Held by Insiders 18.99%
% Held by Institutions 74.34%

No data within this time range.

Name Avg. Buy ($) Avg. Sell ($) Net Quantity Net Value ($)
SCULLY WILLIAM P 8.75 - 265,500 2,324,880
Aggregate Net Quantity 265,500
Aggregate Net Value ($) 2,324,880
Aggregate Avg. Buy ($) 8.75
Aggregate Avg. Sell ($) -
Name Holder Date Type Quantity Price Value ($)
SCULLY WILLIAM P 29 Sep 2026 Buy (+) 162,000 8.78 1,422,360
SCULLY WILLIAM P 28 Sep 2026 Buy (+) 103,500 8.72 902,520

The support, resistance and trendline levels presented has been generated by an artificial intelligence (AI) model and should be interpreted with caution.

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