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PROTHENA CORP PLC

PRTANASDAQ
πŸ† #2479 by market capEarnings Nov 5US Equity
$629.45β–² $54.95 (+8.73%)
Simulated price
1hβ€”
24hβ–² 8.7%
7dβ€”
14dβ€”
30dβ€”
1yβ€”
🏦Market Cap
$473M
Small Cap
πŸ“ˆRevenue Growth (YoY)
+427.3%
High Growth
πŸ“ŠGross Margin
β€”
πŸ’΅FCF Margin
53.0%
Strong
βš–οΈP/S Ratio
8.2x
Elevated
Otter Score
67
Fair
No chart data available for PRTA.

Trading Snapshot

Day Range
$625.83 – $641.25
52-Week Range
$7.39 – $11.80
Volume
$3.18B
Avg Volume
$2.51B
Shares Outstanding
52.4M
Next Earnings
Oct 16, 2026

Fundamentals Snapshot

Annual Revenue
$10M
Last Q Revenue
$1M
P/E Ratio
β€”
P/S Ratio
8.2x
EPS (TTM)
$-0.83
Dividend Yield
β€”

Why Investors Own PRTA

  • βœ“High-growth profile β€” revenue up +54.8% YoY with expanding US Equity exposure.
  • βœ“Healthy economics β€” 49% gross margin and 12% free-cash-flow margin.
  • βœ“New products and segments could unlock additional revenue streams.
⚠️ Key Risks

Execution delays, intensifying competition, and valuation compression if growth decelerates.

Financial Trends

Revenue (TTM)
$10Mβ–² +53.2% YoY
Gross Margin (TTM)
48.7%β–² +2.7% YoY
Operating Income (TTM)
$3Mβ–² +53.2% YoY
Free Cash Flow (TTM)
$1Mβ–² +53.2% YoY

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 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.

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Otter Score Breakdown

β“˜
πŸ’ŽQualityβ˜…β˜…β˜…β˜…β˜…
πŸš€Growthβ˜…β˜…β˜…β˜…β˜…
βš–οΈValuationβ˜…β˜…β˜…β˜…β˜…
⚑Momentumβ˜…β˜…β˜…β˜…β˜…
Overall Score
Fair
67/100

Analyst Price Target

β“˜
Average Target
$742.77
β–² +18.0% Upside
High Target$901.96
Low Target$632.17
Based on 22 analysts

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