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Prothena Corporation plc Stock Price

NasdaqGS:PRTA Community·US$552.8m Market Cap
  • 1 Narratives written by author
  • 0 Comments on narratives written by author
  • 8 Fair Values set on narratives written by author

PRTA Share Price Performance

US$10.27
-4.73 (-31.53%)
US$18.33
Fair Value
US$10.27
-4.73 (-31.53%)
44.0% undervalued intrinsic discount
US$18.33
Fair Value
Price US$10.27
AnalystConsensusTarget US$18.33

PRTA Community Narratives

AnalystConsensusTarget·
Fair Value US$18.33 44.0% undervalued intrinsic discount

Analysts Maintain Prothena Price Target as Valuation Adjustments Reflect Recent Clinical Results

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US$18.33
44.0% undervalued intrinsic discount
Revenue
74.72% p.a.
Profit Margin
16.98%
Future PE
112.74x
Price in 2028
US$22.35

Trending Discussion

Updated Narratives

PRTA logo

PRTA: Upcoming Partnered Pipeline Milestones Will Drive Substantial Upside Over Next Year

Fair Value: US$18.33 44.0% undervalued intrinsic discount
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Snowflake Analysis

Excellent balance sheet with limited growth.

1 Risk
1 Reward

Prothena Corporation plc Key Details

US$11.8m

Revenue

US$170.4m

Cost of Revenue

-US$158.7m

Gross Profit

US$121.8m

Other Expenses

-US$280.5m

Earnings

Last Reported Earnings
Sep 30, 2025
Next Reporting Earnings
n/a
-5.21
-1,346.11%
-2,379.59%
0%
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About PRTA

Founded
2012
Employees
163
CEO
Gene Kinney
WebsiteView website
www.prothena.com

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.

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