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MESA LABORATORIES INC /CO/ (MLAB) Ownership Summary
Institutional Holders
Total Number of Holders 183
% of Shares Outstanding 90.02%
Total Shares Held 4,869,371
Total Value of Holdings $430,695,864.95
Net Activity 21,350
 
Top 5 Holders Shares Held Shares Changed
BLACKROCK INC. 830,988 (14,897)
CONESTOGA CAPITAL ADVISORS, LLC 580,744 2,281
VANGUARD GROUP INC 373,397 3,119
ROYCE & ASSOCIATES LP 283,739 14,094
MORGAN STANLEY 251,424 (9,900)

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades05
Number of Buys00
Number of Sells05
Net Activity 0 (10,500)
 
Top 5 TradesShares Traded Date
ARCHBOLD BRIAN DAVID4076/14/2024
ARCHBOLD BRIAN DAVID8896/14/2024
OWENS GARY M4,9596/14/2024
SAKYS JOHN5726/14/2024
SAKYS JOHN1,3046/14/2024

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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   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   ROYCE & ASSOCIATES LP  01/23/24   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.  01/22/24   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   CONESTOGA CAPITAL ADVISORS, LLC  01/05/24   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  02/09/23   File this document to a folder.