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 Q2 2026, a total of 3 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $8.79 M.
Top institutional holders include Renaissance Technologies (RenTech) and Cliff Asness.
Institutional sentiment is currently Slightly Bearish. This is evidenced by a $2.04 M net outflow during the quarter.
Recent activity highlights Cliff Asness who increased their stake by 48.3%. Conversely, Paul Tudor Jones reduced exposure by 0.1%.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q2 2026)
Guru Consensus (Q2 2026)
FAQs for Prothena Corporation plc (PRTA)
Major holders include Renaissance Technologies (RenTech) ($6.83 M), Cliff Asness ($2.96 M), Paul Tudor Jones ($239,317). According to the latest reported data, 3 tracked investment managers collectively hold approximately 1.02 M shares.
According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $2.04 M, with 2 managers increasing positions and 2 managers reducing holdings.
During the most recent reporting period, 1 managers trimmed their positions, while 1 fully exited PRTA. The total reported sell value was $3.89 M.
Yes, 0 managers opened new positions in PRTA, and 2 increased their existing holdings. The total reported buy value was $1.85 M.