Q3 2021 13F Holders as of 9/30/2021
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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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177
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Total 13F shares, excl. options
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40.9M
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Shares change
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+498K
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Total reported value, excl. options
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$2.91B
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Value change
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+$42.8M
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Put/Call ratio
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0.64
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Number of buys
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99
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Number of sells
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-61
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Price
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$71.23
Significant Holders of PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) as of Q3 2021
205 filings reported holding PRTA - PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share as of Q3 2021.
PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) has 177 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 40.9M shares
of 54.4M outstanding shares and own 75.2% of the company stock.
Largest 10 shareholders include EcoR1 Capital, LLC (11.3M shares), PRICE T ROWE ASSOCIATES INC /MD/ (6.06M shares), BlackRock Inc. (3.77M shares), FMR LLC (2.65M shares), Palo Alto Investors LP (1.69M shares), DIMENSIONAL FUND ADVISORS LP (1.58M shares), First Light Asset Management, LLC (1.45M shares), STATE STREET CORP (1.41M shares), Redmile Group, LLC (901K shares), and VANGUARD GROUP INC (868K shares).
This table shows the top 177 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.