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MASIMO CORP (MASI) Ownership Summary
Institutional Holders
Total Number of Holders 390
% of Shares Outstanding 95.14%
Total Shares Held 50,597,714
Total Value of Holdings $6,372,276,101.16
Net Activity (556,515)
 
Top 5 Holders Shares Held Shares Changed
BLACKROCK INC. 7,880,374 2,221,243
FMR LLC 6,977,281 49,709
POLITAN CAPITAL MANAGEMENT LP 4,713,518 0
VANGUARD GROUP INC 4,555,853 (225,490)
CAPITAL RESEARCH GLOBAL INVESTORS 2,269,246 57

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades11
Number of Buys00
Number of Sells11
Net Activity (40,000) (40,000)
 
Top 5 TradesShares Traded Date
REYNOLDS CRAIG B1,2286/26/2024
REYNOLDS CRAIG B10,0005/1/2024
REYNOLDS CRAIG B40,0004/26/2024
REYNOLDS CRAIG B40,0004/26/2024
KIANI JOE E10,0502/28/2024

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5% Ownership (SC 13D & SC 13G Filings)
View Form   Filer  Received  Period 
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View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   BLACKROCK INC.  06/07/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13D/A   POLITAN CAPITAL MANAGEMENT LP  05/09/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13D/A   POLITAN CAPITAL MANAGEMENT LP  05/08/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13D/A   POLITAN CAPITAL MANAGEMENT LP  03/27/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   KIANI JOE E  02/14/24   File this document to a folder.