Massachusetts Financial Services’s Prothena Corp PRTA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$463K Buy
2025
Q2
$269K Buy
2025
Q1
$542K Sell
2024
Q4
$621K Buy
2022
Q2
Sell
2022
Q1
$496K Sell
2021
Q4
$2.07M Sell
2021
Q3
$3.04M Sell
2021
Q2
$2.22M Sell
2021
Q1
$1.84M Sell
2020
Q4
$1.3M Buy
2020
Q3
$871K Buy