Q1 2023 13F Holders as of 3/31/2023
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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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188
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Total 13F shares, excl. options
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51.8M
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Shares change
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+2.49M
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Total reported value, excl. options
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$2.51B
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Value change
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+$113M
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Put/Call ratio
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0.56
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Number of buys
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95
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Number of sells
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-87
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Price
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$48.47
Significant Holders of PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) as of Q1 2023
229 filings reported holding PRTA - PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share as of Q1 2023.
PROTHENA CORP PUBLIC LTD CO - Ordinary Shares, par value $0.01 per share (PRTA) has 188 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 51.8M shares
of 54.4M outstanding shares and own 95.28% of the company stock.
Largest 10 shareholders include EcoR1 Capital, LLC (11.6M shares), FMR LLC (6.76M shares), BlackRock Inc. (3.62M shares), PRICE T ROWE ASSOCIATES INC /MD/ (3.2M shares), WELLINGTON MANAGEMENT GROUP LLP (2.27M shares), STATE STREET CORP (2.1M shares), Palo Alto Investors LP (1.66M shares), JANUS HENDERSON GROUP PLC (1.6M shares), First Light Asset Management, LLC (1.51M shares), and DIMENSIONAL FUND ADVISORS LP (1.23M shares).
This table shows the top 188 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.