Q1 2021 13F Holders as of 31 Mar 2021
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Type / Class
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Equity / Ordinary Shares, par value $0.01 per share
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Shares outstanding
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54.4M
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Number of holders
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136
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Total 13F shares, excl. options
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40M
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Shares change
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+5.16M
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Total reported value, excl. options
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$1B
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Value change
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+$172M
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Put/Call ratio
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0.25
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Number of buys
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58
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Number of sells
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-61
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Price
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$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.