PRTA Dividend History & Analysis | N/A Yield

PRTA has a dividend yield of N/A and paid N/A per share in the last 12M. Complete payout history, full analyses and peer comparison.

As of October 2025, Prothena (PRTA) does not pay a dividend.

Top Dividend Payers in Biotechnology

Top 5 Dividend Yields of Peer-Group
Symbol Market Cap (USD) Dividend Yield TTM Yield on Cost (purchase 5y ago)
JBIO 280 M 24.5% 0.31%
ABBV 403,217 M 2.88% 9.37%
GILD 150,063 M 2.66% 6.57%
AMGN 159,344 M 3.21% 5.07%
HLN 41,758 M 1.93% 2.46%
Top 5 Dividend Growth Rates of Peer-Group
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GRFS 8,004 M 127% 60.7%
HLN 41,758 M 51.0% 100%
AMGN 159,344 M 8.90% 100%
ABBV 403,217 M 7.06% 100%
GILD 150,063 M 3.16% 100%

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PRTA Dividend History: as of October 2025

No dividends paid yet.

PRTA Dividend FAQ

Prothena Corporation plc (NASDAQ: PRTA) is a late-stage clinical biotech focused on antibodies that correct protein-misfolding disorders in the U.S. Its lead asset, prasinezumab-a humanized monoclonal antibody targeting α-synuclein-is in a Phase 2b trial for Parkinson’s disease and other synucleinopathies. The pipeline also includes Coramitug (Phase 2 for transthyretin amyloidosis), BMS-986446 (Phase 2 for Alzheimer’s), PRX012 (Phase 1 Alzheimer’s), PRX123 (preclinical dual Aβ-Tau vaccine), and PRX019 (Phase 1 for broader neurodegeneration). Strategic partnerships with Roche (α-synuclein) and Bristol Myers Squibb (tau, TDP-43) provide development and commercialization pathways.

What is the Dividend Yield of PRTA?

As of October 2025, PRTA`s dividend yield is %. This is calculated by dividing the trailing 12-month dividend rate (TTM rate) of - by the current share price of 10.54.

Does PRTA pay a dividend?

As of October 2025 PRTA does not pay a dividend.

How often does PRTA pay dividends?

Over the last 12 months, PRTA has issued dividend payments.

Will PRTA pay dividends in 2025?

The next Ex-Dividend date for Prothena (PRTA) is currently unknown.

What is the next Ex-Dividend Date for PRTA?

The next Ex-Dividend date for Prothena (PRTA) is currently unknown. We automatically update the next Ex-Dividend date when it is announced.

What is the Dividend Growth of PRTA?

PRTA's average dividend growth rate over the past 5 years is -% per year.

What is the Yield on Cost of PRTA?

PRTA's 5-Year Yield on Cost is -%. If you bought PRTA's shares at 10.91 five years ago, your current annual dividend income (- per share, trailing 12 months) equals -% of your original purchase price.

What is the Payout Consistency of PRTA?

PRTA Payout Consistency is 0.0%. The payout consistency is a proprietary measure of how consistently a company has paid dividends over its lifetime and blends growth rate, number of dividend payments, interruptions or lowering dividends into one number.

Does PRTA have a good Dividend Yield?

PRTA`s % Dividend Yield is considered as unknown.

What is the Dividend Payout Ratio of PRTA?

The Dividend Payout Ratio of PRTA is unknown.

What is the Dividend Rating of PRTA?

PRTA`s Overall Dividend Rating is (unknown). Ratings surpassing 65% are regarded as acceptable, exceeding 75% are favorable and surpassing 85% are strong.

PRTA Outstanding Shares Analysis

What is the Trend in PRTA`s Outstanding Shares (CAGR)?

Prothena`s outstanding shares have increased by approximately 0.15% annually over the past 3 years (Correlation: 100.0%), negatively influencing the share price.

Has Prothena ever had a Stock Split?

No Stock Splits found.
Year Number of Shares Annual Growth Rate
2010 14,000,000
2011 14,000,000
2012 14,886,000 +6.33%
2013 21,394,000 +43.72%
2014 27,384,000 +28%
2015 31,611,000 +15.44%
2016 34,603,000 +9.47%
2017 38,455,000 +11.13%
2018 39,864,000 +3.66%
2019 39,897,000 +0.08%
2020 39,921,000 +0.06%
2021 46,618,000 +16.78%
2022 53,979,000 +15.79%
2023 53,668,000 -0.58%
2024 53,815,000 +0.27%
2025 53,827,000 +0.02%

Key Metric Definitions

  • Dividend Yield: Annual dividend per share divided by current share price.
  • Dividend Growth Rate: Compound annual growth rate of annual dividend per share over the last 5 years.
  • Payout Ratio: Percentage of earnings paid as dividends (TTM).
  • Payout Consistency: % of eligible periods with uninterrupted or increased dividends, measured over the entire lifetime of the stock or fund.
  • Payout Frequency: Number of dividends paid in the last 12m (TTM).
  • Overall Dividend Rating: Proprietary composite score, quantified on a scale from 0 to +100. Ratings surpassing 70 are regarded as favorable, while those exceeding 85 are strong.
  • Total Return: Price appreciation plus dividends over specified period.
  • Market Cap: Figures are in millions of the corresponding currency.

Last update: 2025-10-27 02:00