Prothena Corp Analyst Price Targets

Wall Street analyst price targets and consensus rating for Prothena Corp (PRTA).

Price Target Range — 11 Quarters

Analyst Consensus — 10 Analysts

3S.Buy

4Buy

2Hold

1Sell

Consensus RatingBuy# Analysts10Avg. Consensus PT$28Upside to Avg. PT+233.2%

Rating Trend — Last 9 Months

Recent Analyst Actions

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Date	Firm	Analyst	Action	Rating Change	Price Target
May 8, 2026	Citizens	Jason N. Butler	PT Raise	Market Outperform	$19→$20
Feb 20, 2026	RBC Capital	Brian Abrahams	PT Raise	Sector Perform	$11→$12
Dec 1, 2025	Citizens	Jason Butler	PT Raise	Market Outperform	$11→$19
Nov 7, 2025	HC Wainwright & Co.	Andrew S. Fein	PT Raise	Buy	$20→$30
Nov 7, 2025	RBC Capital	Brian Abrahams	PT Raise	Sector Perform	$10→$11
Oct 28, 2025	Piper Sandler	Yasmeen Rahimi	PT Raise	Overweight	$15→$36
Oct 7, 2025	HC Wainwright & Co.	Andrew S. Fein	PT Raise	Buy	$14→$20
Sep 2, 2025	JMP Securities	Jason Butler	PT Cut	Market Outperform	$29→$11
Aug 28, 2025	Piper Sandler	Yasmeen Rahimi	PT Cut	Overweight	$81→$15
Aug 28, 2025	Chardan Capital	Rudy Li	Maintained	Buy	$18
Aug 5, 2025	RBC Capital	Brian Abrahams	PT Cut	Sector Perform	$18→$10
Aug 5, 2025	HC Wainwright & Co.	Andrew S. Fein	Maintained	Buy	$14
Aug 5, 2025	Chardan Capital	Rudy Li	Maintained	Buy	$18
Jun 20, 2025	Cantor Fitzgerald	Eric Schmidt	Maintained	Neutral	—
May 28, 2025	B of A Securities	Tazeen Ahmad	Downgrade	Neutral→Underperform	$22→$4
May 27, 2025	Oppenheimer	Jay Olson	Downgrade	Outperform→Perform	—
May 27, 2025	Piper Sandler	Yasmeen Rahimi	PT Cut	Overweight	$110→$81
May 27, 2025	JMP Securities	Jason Butler	PT Cut	Market Outperform	$78→$29
May 27, 2025	Chardan Capital	Rudy Li	PT Cut	Buy	$40→$18
May 27, 2025	HC Wainwright & Co.	Andrew Fein	PT Cut	Buy	$30→$14

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Analyst Ratings News

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20

Citizens analyst Jason N. Butler maintains Prothena Corp (NASDAQ:PRTA) with a Market Outperform and raises the price target from $19 to $20.

Benzinga Newsdesk

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $12

RBC Capital analyst Brian Abrahams maintains Prothena Corp (NASDAQ:PRTA) with a Sector Perform and raises the price target from $11 to $12.

Benzinga Newsdesk

Amazon To Rally Around 31%? Here Are 10 Top Analyst Forecasts For Monday

Avi Kapoor

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $19

Citizens analyst Jason Butler maintains Prothena Corp (NASDAQ:PRTA) with a Market Outperform and raises the price target from $11 to $19.

Benzinga Newsdesk

PRO
HC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $30

HC Wainwright & Co. analyst Andrew S. Fein maintains Prothena Corp (NASDAQ:PRTA) with a Buy and raises the price target from $20 to $30.

Benzinga Newsdesk

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $11

RBC Capital analyst Brian Abrahams maintains Prothena Corp (NASDAQ:PRTA) with a Sector Perform and raises the price target from $10 to $11.

Benzinga Newsdesk

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Prothena Corp Analyst Price Targets

Recent Analyst Actions

Analyst Ratings News

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $12

Amazon To Rally Around 31%? Here Are 10 Top Analyst Forecasts For Monday

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $19

PRO
HC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $30

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $11

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Prothena Corp PLC

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Prothena Corp Analyst Price Targets

Recent Analyst Actions

Analyst Ratings News

PROCitizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20

PRORBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $12

Amazon To Rally Around 31%? Here Are 10 Top Analyst Forecasts For Monday

PROCitizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $19

PROHC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $30

PRORBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $11

People Also Watch

People Also Watch

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $20

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $12

PRO
Citizens Maintains Market Outperform on Prothena Corp, Raises Price Target to $19

PRO
HC Wainwright & Co. Maintains Buy on Prothena Corp, Raises Price Target to $30

PRO
RBC Capital Maintains Sector Perform on Prothena Corp, Raises Price Target to $11