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MKS INSTRUMENTS INC (MKSI) Ownership Summary
Institutional Holders
Total Number of Holders 429
% of Shares Outstanding 101.74%
Total Shares Held 68,460,653
Total Value of Holdings $7,657,324,038.05
Net Activity 69,415
 
Top 5 Holders Shares Held Shares Changed
VANGUARD GROUP INC 6,967,850 68,501
PRICE T ROWE ASSOCIATES INC /MD/ 6,845,561 (717,386)
BLACKROCK INC. 6,612,795 201,243
FMR LLC 4,440,426 430,990
WELLINGTON MANAGEMENT GROUP LLP 3,541,932 174,853

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades315
Number of Buys01
Number of Sells314
Net Activity (2,325) (63,543)
 
Top 5 TradesShares Traded Date
MORA ELIZABETH2759/3/2024
SCHREINER JAMES ALAN1,8738/19/2024
SCHREINER JAMES ALAN3,9618/19/2024
WILLIAMS JOHN EDWARD1,8008/16/2024
WILLIAMS JOHN EDWARD3078/15/2024

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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   PRICE T ROWE ASSOCIATES INC /MD/  09/10/24   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 ExcelView Filing in Original Format  SC 13G/A   CARLYLE GROUP INC.  02/12/24   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   CAPITAL INTERNATIONAL INVESTORS  02/09/24   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.