The latest closing stock price for Prothena as of May 07, 2025 is 7.29.
An investor who bought $1,000 worth of Prothena stock at the IPO in 2012 would have $13 today, roughly 0 times their original investment - a 0.10% compound annual growth rate over 12 years.
The all-time high Prothena stock closing price was 78.89 on September 23, 2021.
The Prothena 52-week high stock price is 25.42, which is 248.7% above the current share price.
The Prothena 52-week low stock price is 7.17, which is 1.6% below the current share price.
The average Prothena stock price for the last 52 weeks is 16.94.
An investor who bought $1,000 worth of Prothena stock at the IPO in 2012 would have $13 today, roughly 0 times their original investment - a 0.10% compound annual growth rate over 12 years.
The all-time high Prothena stock closing price was 78.89 on September 23, 2021.
The Prothena 52-week high stock price is 25.42, which is 248.7% above the current share price.
The Prothena 52-week low stock price is 7.17, which is 1.6% below the current share price.
The average Prothena stock price for the last 52 weeks is 16.94.