WallStreetZenWallStreetZen

NASDAQ: PRTA
Prothena Corp Public Ltd Co Stock Forecast, Predictions & Price Target

OverviewForecast
EarningsRevenueDividendOwnership

Analyst price target for PRTA

Based on 3 analysts offering 12 month price targets for Prothena Corp Public Ltd Co

Min Forecast
$12.00+24.1%
Avg Forecast
$17.00+75.8%
Max Forecast
$20.00+106.83%

Should I buy or sell PRTA stock?

Based on 3 analysts offering ratings for Prothena Corp Public Ltd Co.

Buy
Strong Buy
0 analysts 0%
Buy
2 analysts 66.67%
Hold
1 analysts 33.33%
Sell
0 analysts 0%
Strong Sell
0 analysts 0%
Although PRTA's forecast from analysts indicates a "Buy", our proven Zen Rating quant model rates PRTA as a "Hold". Stocks with a Zen Rating of Hold have had an average return of +7.53% per year. Learn More

Be the first to know when Wall Street analysts revise their PRTA stock forecasts and price targets.

PRTA stock forecasts by analyst

Analyst / FirmRatingActionPrice TargetUpside/DownsideDateAnalyst Color
lockedlocked$00.00+00.00%2026-05-08
lockedlocked$00.00+00.00%2026-02-20
lockedlocked$00.00+00.00%2025-12-01

1 of 1

Forecast return on equity

Is PRTA forecast to generate an efficient return?

Company
-25.62%
Industry
73.87%
Market
169.19%
PRTA's Return on Equity is... subscribe to Premium to read more.
Forecast High Return on Equity Forecast

Forecast return on assets

Is PRTA forecast to generate an efficient return on assets?

Company
-22.89%
Industry
28.49%
PRTA is forecast to generate... subscribe to Premium to read more.
Forecast Return on Assets vs Industry Forecast

PRTA earnings per share forecast

What is PRTA's earnings per share in the next 3 years based on estimates from 8 analysts?

Avg 1 year Forecast
$0.26
Avg 2 year Forecast
-$1.03
Avg 3 year Forecast
$0.39

PRTA revenue forecast

What is PRTA's revenue in the next 3 years based on estimates from 8 analysts?

Avg 1 year Forecast
$117.3M+102.47%
Avg 2 year Forecast
$26.9M-53.52%
Avg 3 year Forecast
$103.1M+77.94%
PRTA's revenue is forecast to... subscribe to Premium to read more.
Forecast High Revenue Growth Forecast

PRTA revenue growth forecast

How is PRTA forecast to perform vs Biotechnology companies and vs the US market?

Company
6.98%
Industry
33.6%
Market
14.06%
PRTA's revenues are forecast to... subscribe to Premium to read more.
Forecast Revenue Growth vs Industry Forecast
PRTA's revenues are forecast to... subscribe to Premium to read more.
Forecast Revenue Growth vs Market Forecast

PRTA vs Biotech Stocks

TickerPricePrice TargetUp/downsideConsensus
PRTA$9.67$17.00+75.80%Buy
CTNM$13.65$18.67+36.75%Buy
CBIO$18.52$28.50+53.89%Strong Buy
OCGN$1.48$9.75+558.78%Strong Buy
UPB$9.11$33.00+262.24%Buy
View Top Biotech Stocks

Prothena Public Co Stock Forecast FAQ

Is Prothena Public Co Stock a good buy in 2026, according to Wall Street analysts?

The consensus among 3 Wall Street analysts covering (NASDAQ: PRTA) stock is to Buy PRTA stock.

Out of 3 analysts, 0 (0%) are recommending PRTA as a Strong Buy, 2 (66.67%) are recommending PRTA as a Buy, 1 (33.33%) are recommending PRTA as a Hold, 0 (0%) are recommending PRTA as a Sell, and 0 (0%) are recommending PRTA as a Strong Sell.

If you're new to stock investing, here's how to buy Prothena Public Co stock.

What is PRTA's earnings growth forecast for 2026-2028?

(NASDAQ: PRTA) Prothena Public Co's forecast annual earnings growth rate of N/A is not forecast to beat the US Biotechnology industry's average forecast earnings growth rate of 15.08%, and while it is not forecast to beat the US market's average forecast earnings growth rate of 34.12%.

Prothena Public Co's earnings in 2026 is -$151,176,000.On average, 8 Wall Street analysts forecast PRTA's earnings for 2026 to be $13,554,253, with the lowest PRTA earnings forecast at -$77,524,673, and the highest PRTA earnings forecast at $99,497,327. On average, 8 Wall Street analysts forecast PRTA's earnings for 2027 to be -$54,159,424, with the lowest PRTA earnings forecast at -$71,880,994, and the highest PRTA earnings forecast at -$28,035,158.

In 2028, PRTA is forecast to generate $20,559,116 in earnings, with the lowest earnings forecast at -$52,845,357 and the highest earnings forecast at $75,859,840.

What is PRTA's revenue growth forecast for 2026-2028?

(NASDAQ: PRTA) Prothena Public Co's forecast annual revenue growth rate of 6.98% is not forecast to beat the US Biotechnology industry's average forecast revenue growth rate of 33.6%, and while it is not forecast to beat the US market's average forecast revenue growth rate of 14.06%.

Prothena Public Co's revenue in 2026 is $57,940,000.On average, 8 Wall Street analysts forecast PRTA's revenue for 2026 to be $6,141,558,232, with the lowest PRTA revenue forecast at $5,130,617,226, and the highest PRTA revenue forecast at $8,248,252,489. On average, 7 Wall Street analysts forecast PRTA's revenue for 2027 to be $1,409,767,966, with the lowest PRTA revenue forecast at $0, and the highest PRTA revenue forecast at $5,497,089,885.

In 2028, PRTA is forecast to generate $5,397,618,735 in revenue, with the lowest revenue forecast at $0 and the highest revenue forecast at $8,372,329,661.

What is PRTA's forecast return on assets (ROA) for 2026-2029?

(NASDAQ: PRTA) forecast ROA is -22.89%, which is lower than the forecast US Biotechnology industry average of 28.49%.

What is PRTA's Price Target?

According to 3 Wall Street analysts that have issued a 1 year PRTA price target, the average PRTA price target is $17.00, with the highest PRTA stock price forecast at $20.00 and the lowest PRTA stock price forecast at $12.00.

On average, Wall Street analysts predict that Prothena Public Co's share price could reach $17.00 by May 8, 2027. The average Prothena Public Co stock price prediction forecasts a potential upside of 75.8% from the current PRTA share price of $9.67.

What is PRTA's Earnings Per Share (EPS) forecast for 2026-2028?

(NASDAQ: PRTA) Prothena Public Co's current Earnings Per Share (EPS) is -$2.81. On average, analysts forecast that PRTA's EPS will be $0.26 for 2026, with the lowest EPS forecast at -$1.48, and the highest EPS forecast at $1.90. On average, analysts forecast that PRTA's EPS will be -$1.03 for 2027, with the lowest EPS forecast at -$1.37, and the highest EPS forecast at -$0.54. In 2028, PRTA's EPS is forecast to hit $0.39 (min: -$1.01, max: $1.45).

What is PRTA's forecast return on equity (ROE) for 2026-2029?

(NASDAQ: PRTA) forecast ROE is -25.62%, which is considered weak.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.