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Equity Research · Deep diveIT-2026-PRTA · 2026-07-30

Prothena Corporation plc (PRTA)

HealthcareBiotechnologyNasdaqGSMarket cap $448.14M

$8.56

0.00%

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45/100

Mixed picture

Automated weighted score · not a recommendation

Price source: Yahoo · live price · as of 23:00 · Data: Yahoo · SEC EDGAR · FINRA · Wikidata

About the company

Market cap

$448.14M

P/E

—

Beta

-0.31

Employees

Sector: HealthcareIndustry: BiotechnologyExchange: NasdaqGSCountry: Ireland Website

What the company does

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 transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. 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.

Day range

$8.39$8.68

52-week range

$6.61$11.80

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PRTA · Chart

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Prothena Corporation plc (PRTA) is trading around $8.56 (+0.00% on the last session). Its 52-week range runs from $6.61 to $11.80. Technically: 0 buy signals, 8 sell and 4 neutral. It belongs to the Healthcare sector (Biotechnology) and a 448M$ market cap. Data sourced from Yahoo · live price as of 23:00. This is data analysis only, not advice or a recommendation.

PRTA stock FAQ

What is PRTA's current price?

PRTA is trading around $8.56 (+0.00%), as of 23:00 per Yahoo · live price.

What is PRTA's 52-week price range?

Over the last 52 weeks PRTA ranged between a $6.61 low and a $11.80 high.

Which sector does PRTA belong to?

PRTA belongs to the Healthcare sector, Biotechnology industry.

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Building the strategy

PRTA stock FAQ

What is PRTA's current price?

PRTA is trading around $8.56 (+0.00%), as of 23:00 per Yahoo · live price.

What is PRTA's 52-week price range?

Over the last 52 weeks PRTA ranged between a $6.61 low and a $11.80 high.

Which sector does PRTA belong to?

PRTA belongs to the Healthcare sector, Biotechnology industry.

Analyze PRTA

Prothena Corporation plc (PRTA)

About the company

PRTA · Chart

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PRTA stock FAQ

Prothena Corporation plc (PRTA)

About the company

PRTA · Chart

Support & resistance

The technical signal compass

PRTA stock FAQ

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