Historical shareholding details of PRIMECAP Management Company holdings in Prothena Corporation plc (PRTA)

Monthly changes of PRIMECAP Management Company shareholding in Prothena Corporation plc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Primecap Management Company	0	0.00%

Sep 30, 2024	Primecap Management Company	35,500	0.07%

Jun 30, 2024	Primecap Management Company	36,500	0.07%

Mar 31, 2024	Primecap Management Company	36,500	0.07%