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MAGNITE, INC. (MGNI) Ownership Summary
Institutional Holders
Total Number of Holders 301
% of Shares Outstanding 74.09%
Total Shares Held 104,576,739
Total Value of Holdings $1,443,158,998.20
Net Activity 1,337,177
 
Top 5 Holders Shares Held Shares Changed
VANGUARD GROUP INC 12,964,295 146,098
BLACKROCK INC. 9,699,628 (80,477)
FMR LLC 5,504,592 (2,044,730)
DIMENSIONAL FUND ADVISORS LP 5,393,745 (54,778)
GRANAHAN INVESTMENT MANAGEMENT, LLC 5,230,150 (207,942)

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades1426
Number of Buys00
Number of Sells1426
Net Activity (338,228) (701,385)
 
Top 5 TradesShares Traded Date
BUONASERA DAVID5,2879/1/2024
BUCKLEY SEAN PATRICK2,6238/20/2024
BUCKLEY SEAN PATRICK2,6238/19/2024
SOROCA ADAM LEE7,9108/19/2024
BARRETT MICHAEL G.32,9418/15/2024

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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   GRANAHAN INVESTMENT MANAGEMENT, LLC  02/14/24   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   VANGUARD GROUP INC  02/13/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in Original Format  SC 13G   FMR LLC  02/09/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   BLACKROCK INC.  01/26/24   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   EDENBROOK CAPITAL, LLC  07/14/23   File this document to a folder.