Type / Class
Equity / Ordinary Shares, par value $0.01 per share
Shares outstanding
54.4M
Number of holders
136
Total 13F shares, excl. options
40M
Shares change
+5.16M
Total reported value, excl. options
$1B
Value change
+$172M
Put/Call ratio
0.25
Number of buys
58
Number of sells
-61
Price
$25.12

Significant Holders of PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) as of Q1 2021

164 filings reported holding PRTA - PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share as of Q1 2021.
PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) has 136 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 40M shares of 54.4M outstanding shares and own 73.5% of the company stock.
Largest 10 shareholders include EcoR1 Capital, LLC (11M shares), BlackRock Inc. (3.59M shares), PRICE T ROWE ASSOCIATES INC /MD/ (3.31M shares), FMR LLC (3.12M shares), First Light Asset Management, LLC (2.94M shares), Redmile Group, LLC (1.86M shares), Palo Alto Investors LP (1.74M shares), DIMENSIONAL FUND ADVISORS LP (1.58M shares), STATE STREET CORP (1.2M shares), and Rock Springs Capital Management LP (1.16M shares).
This table shows the top 136 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
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.