Guru Ownership Trend
Guru Analysis for Prothena Corporation plc (PRTA)
Prothena Corporation plc (PRTA), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q1 2026, a total of 4 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $11.42 M.
Top institutional holders include Renaissance Technologies (RenTech) and Steven Cohen.
Institutional sentiment is currently Slightly Bearish. This is evidenced by a $2.65 M net outflow during the quarter.
Recent activity highlights Renaissance Technologies (RenTech) who increased their stake by 39.5%. Conversely, Steven Cohen reduced exposure by 53.5%.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q1 2026)
Guru Consensus (Q1 2026)
FAQs for Prothena Corporation plc (PRTA)
Major holders include Renaissance Technologies (RenTech) ($5.91 M), Steven Cohen ($3.89 M), Cliff Asness ($1.98 M). According to the latest reported data, 4 tracked investment managers collectively hold approximately 1.24 M shares.
According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $2.65 M, with 2 managers increasing positions and 2 managers reducing holdings.
During the most recent reporting period, 2 managers trimmed their positions, while 0 fully exited PRTA. The total reported sell value was $4.49 M.
Yes, 0 managers opened new positions in PRTA, and 2 increased their existing holdings. The total reported buy value was $1.84 M.