Q1 2025 13F Holders as of 3/31/2025
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Type / Class
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Equity / Common Stock, $0.0001 par value
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Shares outstanding
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57.4M
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Number of holders
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389
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Total 13F shares, excl. options
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54.2M
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Shares change
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+2.68M
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Total reported value, excl. options
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$9.03B
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Value change
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+$449M
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Put/Call ratio
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0.66
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Number of buys
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204
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Number of sells
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-163
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Price
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$166.60
Significant Holders of MASIMO CORP - Common Stock, $0.0001 par value (MASI) as of Q1 2025
449 filings reported holding MASI - MASIMO CORP - Common Stock, $0.0001 par value as of Q1 2025.
MASIMO CORP - Common Stock, $0.0001 par value (MASI) has 389 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 54.2M shares
of 57.4M outstanding shares and own 94.43% of the company stock.
Largest 10 shareholders include BlackRock, Inc. (9.87M shares), FMR LLC (8.18M shares), Politan Capital Management LP (4.71M shares), VANGUARD GROUP INC (4.58M shares), Capital Research Global Investors (2.06M shares), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.97M shares), T. Rowe Price Investment Management, Inc. (1.67M shares), STATE STREET CORP (1.48M shares), Holocene Advisors, LP (1.33M shares), and Durable Capital Partners LP (1.13M shares).
This table shows the top 389 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.