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 January 2026, 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
ABBV 396,124 M 3.77% 9.24%
AMGN 177,758 M 3.69% 5.93%
GILD 150,882 M 2.61% 6.13%
HLN 44,530 M 1.78% 2.46%
BIM 15,096 M 0.80% 0.81%
Top 5 Dividend Growth Rates of Peer-Group
Symbol Market Cap USD Growth Rate (CAGR) Payout Consistency
BTX 1,436 M 134% 95.6%
HLN 44,530 M 30.1% 100%
AMGN 177,758 M 7.84% 100%
BIM 15,096 M 9.76% 96.0%
ABBV 396,124 M 5.98% 100%

Quality Dividend Peers in Biotechnology

AMGN
Amgen
3.69% Yield
GILD
Gilead Sciences
2.61% Yield

PRTA Dividend History: as of January 2026

No dividends paid yet.

PRTA Dividend FAQ

Prothena Corporation plc (NASDAQ: PRTA) is a Dublin-based, late-stage clinical biotech focused on protein-dysregulation diseases, primarily neurodegenerative disorders. Its lead asset, prasinezumab-a humanized monoclonal antibody targeting α-synuclein-is in a Phase 2b trial for Parkinson’s disease and related synucleinopathies, representing the company’s most advanced commercial candidate.

What is the Dividend Yield of PRTA?

As of January 2026, 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 9.19.

Does PRTA pay a dividend?

As of January 2026 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 2026?

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 13.24 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?

Prothena's outstanding shares have increased by approximately 0.15% annually over the past 3 years (Trend Reliability: 100.0%).

Neutral: Share count is relatively stable with minor dilution. This has minimal impact on dividend per share calculations.

Has PRTA ever had a Stock Split?

No stock splits on record. The share count changes shown above reflect buybacks, new issuance, or employee compensation rather than structural splits.

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.
Payout Ratio
Percentage of earnings paid as dividends. Below 60% = safe, above 100% = unsustainable.
Payout FCF
Percentage of Free Cash Flow paid as dividends. More reliable than Payout Ratio since it measures actual cash.
Growth Rate (CAGR)
Compound annual growth rate of dividends over the last 5 years.
Consistency
Reliability of dividend payments over lifetime. Penalizes cuts and pauses.
Yield on Cost
Your effective yield if you bought 5 years ago. Shows dividend growth impact over time.
Streak
Consecutive years of dividend payments. 25+ years = Dividend Aristocrat.
Dividend Rating
Proprietary score (0-100) combining yield, growth, safety and consistency.

Last update: 2026-01-07 02:40