Seeing Is Believing
PRTA is currently covered by 4 analysts with an average price target of $24.25. This is a potential upside of $13.91 (150.52%) from yesterday's end of day stock price of $9.68.
Prothena plc's activity chart (see below) currently has 106 price targets and 95 ratings on display. The stock rating distribution of PRTA is 27.27% HOLD and 72.73% BUY.
Analysts average stock forecasts to be materialized ratio is 46.55% with an average time for these price targets to be met of 324.27 days.
Highest price target for PRTA is $36, Lowest price target is $12, average price target is $24.25.
Most recent stock forecast was given by from RBC on 20-Feb-2026. First documented stock forecast 20-Mar-2015.
Currently out of the existing stock ratings of PRTA, 3 are a HOLD (27.27%), 8 are a BUY (72.73%).
Analyst name
Rating
Current price target
Potential Upside
Previous price target
Date of last PT
Price targets met ratio
Average potential upside
Average Days to Hit Target
Performance score
Hold Since 04-Nov-2022
$12
$1.98 (19.76%)
$11
4 months 18 days ago
(20-Feb-2026)
5/11 (45.45%)
$2.98 (33.04%)
99
Buy Since 25-May-2022
$19
$8.98 (89.62%)
7 months 7 days ago
(01-Dec-2025)
1/10 (10%)
$8.73 (85.00%)
126
Buy Since 07-Dec-2020
$30
$19.98 (199.40%)
7 months 28 days ago
(10-Nov-2025)
5/15 (33.33%)
$19.47 (184.90%)
52
Buy Since 27-Jan-2023
$36
$25.98 (259.28%)
8 months 10 days ago
(28-Oct-2025)
0/11 (0%)
$25.46 (241.56%)
Hold Since 01-Oct-2024
$4
$-6.02 (-60.08%)
1 years 1 months 10 days ago
(28-May-2025)
1/6 (16.67%)
$-0.6 (-13.04%)
65
What is PRTA (Prothena plc) average time for price targets to be met?
Which analyst has the current highest performing score on PRTA (Prothena plc) with a proven track record?
Which analyst has the most public recommendations on PRTA (Prothena plc)?
Which analyst is the currently most bullish on PRTA (Prothena plc)?
Which analyst is the currently most reserved on PRTA (Prothena plc)?