Type / Class
Equity / Ordinary Shares, par value $0.01 per share
Shares outstanding
54,411,037
Total 13F shares
52,255,121
Share change
-1,175,237
Total reported value
$646,535,777
Put/Call ratio
31%
Price per share
$12.38
Number of holders
158
Value change
-$15,376,884
Number of buys
57
Number of sells
82

Institutional Holders of PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) as of Q1 2025

As of 31 Mar 2025, PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) was held by 158 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 52,255,121 shares. The largest 10 holders included EcoR1 Capital, LLC, FMR LLC, WELLINGTON MANAGEMENT GROUP LLP, BlackRock, Inc., PRICE T ROWE ASSOCIATES INC /MD/, ARMISTICE CAPITAL, LLC, Palo Alto Investors LP, STATE STREET CORP, Siren, L.L.C., and VANGUARD GROUP INC. This page lists 159 institutional shareholders reporting positions in this security for the Q1 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.