PRTA - Prothena plc - Stock Forecast

Coverage Stock analysts Price Targets & Ratings Chart Insider Trading

PRTA is currently covered by 8 analysts with an average price target of $23.45. This is a potential upside of $16.77 (251.05%) from yesterday's end of day stock price of $6.68.

Prothena plc's activity chart (see below) currently has 88 price targets and 108 ratings on display. The stock rating distribution of PRTA is 76.92% BUY and 23.08% HOLD.

Stock Analyst Price Targets - Review

Analysts average stock forecasts to be materialized ratio is 42.45% with an average time for these price targets to be met of 288.29 days.

Highest price target for PRTA is $29, Lowest price target is $4, average price target is $22.5.

Most recent stock forecast was given by TAZEEN AHMAD from BAML on 28-May-2025. First documented stock forecast 29-May-2015.

Currently out of the existing stock ratings of PRTA, 30 are a BUY (76.92%), 9 are a HOLD (23.08%).

Analyst name

Rating

Current price target

Potential Upside

Previous price target

Date

Price targets met ratio

Average potential upside

Average Time (Days) For PT To Be Met

Performance score

Hold

$4

$-2.68 (-40.12%)

$22

1 months 28 days ago
(28-May-2025)

1/5 (20%)

$-0.6 (-13.04%)

65

Buy

$62

1 months 29 days ago
(27-May-2025)

5/14 (35.71%)

$47.95 (341.28%)

96

Buy

$6

$-0.68 (-10.18%)

$75

1 months 29 days ago
(27-May-2025)

3/5 (60%)

$1.42 (31.00%)

176

Buy

1 months 29 days ago
(27-May-2025)

2/13 (15.38%)

$47.38 (119.59%)

394

Buy

$29

$22.32 (334.13%)

$78

1 months 29 days ago
(27-May-2025)

1/9 (11.11%)

$24.42 (533.19%)

126

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What is PRTA (Prothena plc) average time for price targets to be met?

On average it took 288.29 days on average for the stock forecasts to be realized with a an average price target met ratio 42.45

Which analyst has the current highest performing score on PRTA (Prothena plc) with a proven track record?

WILLIAM TANNER

Which analyst has the most public recommendations on PRTA (Prothena plc)?

William Tanner has 4 price targets and 6 ratings on PRTA

Which analyst is the currently most bullish on PRTA (Prothena plc)?

Yasmeen Rahimi with highest potential upside - $79.83

Which analyst is the currently most reserved on PRTA (Prothena plc)?

David Nierengarten with lowest potential downside - -$44.12

Prothena plc in the News

Prothena Q1 Earnings Miss Estimates, Focus on Key Readouts in 2025

Prothena Corporation PRTA reported first-quarter 2025 loss per share of $1.12, much wider than the Zacks Consensus Estimate of a loss of 92 cents.  In the year-ago quarter, the company posted a loss of $1.34 per share. (Find the latest EPS estimates and surprises on Zacks Earnings Calendar.) The bottom line improved year over year...

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