Type / Class
Equity / Ordinary Shares, par value $0.01 per share
Shares outstanding
54.4M
Number of holders
178
Total 13F shares, excl. options
42.8M
Shares change
+1.75M
Total reported value, excl. options
$2.12B
Value change
+$71.2M
Put/Call ratio
0.54
Number of buys
98
Number of sells
-69
Price
$49.40

Significant Holders of PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) as of Q4 2021

226 filings reported holding PRTA - PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share as of Q4 2021.
PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) has 178 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 42.8M shares of 54.4M outstanding shares and own 78.73% of the company stock.
Largest 10 shareholders include EcoR1 Capital, LLC (11.3M shares), PRICE T ROWE ASSOCIATES INC /MD/ (5.95M shares), BlackRock Inc. (3.87M shares), FMR LLC (2.64M shares), STATE STREET CORP (1.97M shares), Palo Alto Investors LP (1.69M shares), First Light Asset Management, LLC (1.62M shares), DIMENSIONAL FUND ADVISORS LP (1.5M shares), VANGUARD GROUP INC (901K shares), and Redmile Group, LLC (766K shares).
This table shows the top 178 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.