AnalystRadar
PRTA Updated Aug 13, 2026

Prothena Corporation plc (PRTA)

Analyst consensus, price target and coverage. 5 analysts, updated daily.

Consensus Buy= Unchanged
Price 9.26 USD
Mean target 21.40 USD
Upside +131.1% target vs price
Market cap Small 0.5B

Analyst votes

How the ratings break down

6 ratings on record

Price targets

Where the estimates sit

How far apart analysts are on this name.

Low 8.00 Mean 21.40 High 36.00

share price 9.26 mean target 21.40. Analysts are spread 350% apart.

Most recent action

Last rating change

FirmCitizens
Date2026-05-08
ChangeMarket Outperform → Market Outperform

Size and liquidity

Key statistics

Market cap0.48B USD
Cap classSmall
Average volume571,008
Dollar volume per day5.3M
LiquidityMedium
Internal score72.2 / 100

Recommendation

How it moved, scan by scan

2 scans on record

ScanMoveConsensusScoreSBBuyHoldUndSell
2026-08-13 = Buy 2.00 2 1 2 0 0
2026-08-11 · Buy 2.00 2 1 2 0 0

Score is the analyst average on Yahoo's scale, where 1 is Strong Buy and 5 is Sell, so a falling number means the view improved. more positive, more negative, = unchanged.

History

Price target over time

2 daily points recorded

DatePriceTargetUpsideConsensus
2026-08-13 9.26 21.40 +131.1% Buy
2026-08-11 9.17 21.40 +133.4% Buy

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