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 December 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 5y
BTX 1,434 M 13.5% 7.37%
ABBV 393,809 M 3.61% 9.74%
GILD 150,721 M 2.51% 6.73%
AMGN 174,694 M 2.85% 4.98%
HLN 44,084 M 1.74% 2.46%
Top 5 Dividend Growth Rates of Peer-Group
Symbol Market Cap USD Growth Rate (CAGR) Payout Consistency
BTX 1,434 M 203% 90.0%
GRFS 7,645 M 127% 56.8%
HLN 44,084 M 51.0% 100%
AMGN 174,694 M 8.90% 100%
ABBV 393,809 M 7.06% 100%

Similar Stocks with Attractive Dividends - Compare PRTA Dividends with its Peer-Group

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GILD
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PRTA Dividend History: as of December 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 December 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 9.69.

Does PRTA pay a dividend?

As of December 2025 PRTA does not pay a dividend.

How often does PRTA pay dividends?

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

PRTA dividend forecast

Based on historical data, the forecasted dividends per share for PRTA for the next 4 payments are between 0 (+0.0%) and 0 (+0.0%).
This suggests the dividend will remain relatively stable.

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 12.88 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 53,830,000 +0.03%

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: 2025-12-20 04:46