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Mesa Laboratories (MLAB) Institutional Ownership

Mesa Laboratories logo
$61.66 -1.43 (-2.27%)
Closing price 09/12/2025 04:00 PM Eastern
Extended Trading
$61.60 -0.06 (-0.11%)
As of 09/12/2025 04:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Mesa Laboratories (NASDAQ:MLAB)

Current
Institutional Ownership
Percentage
90.60%
Number of
Institutional Buyers
(last 12 months)
83
Total
Institutional Inflows
(last 12 months)
$156.05M
Number of
Institutional Sellers
(last 12 months)
61
Total
Institutional Outflows
(last 12 months)
$70.11M
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MLAB Institutional Buying and Selling by Quarter

Mesa Laboratories Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/19/2025 Ranger Investment Management L.P.214,290$20.19M1.4%-7.2%3.895%
8/16/2025 Public Sector Pension Investment Board18,528$1.75M0.0%+7.4%0.337%
8/15/2025 Tower Research Capital LLC TRC 842$79K0.0%+432.9%0.015%
8/15/2025 State of Tennessee Department of Treasury3,221$303K0.0%-8.1%0.059%
8/15/2025 Select Equity Group L.P.102,198$9.63M0.0%+38.3%1.858%
8/15/2025 Man Group plc7,869$741K0.0%+57.1%0.143%
8/15/2025 BBR Partners LLC25,195$2.37M0.1%-8.7%0.458%
8/15/2025 BNP Paribas Financial Markets786$74K0.0%+115.3%0.014%
8/15/2025 Brevan Howard Capital Management LP2,299$217K0.0%N/A0.042%
8/15/2025 Bank of America Corp DE64,928$6.12M0.0%-3.5%1.181%
8/15/2025 Ameriprise Financial Inc.73,513$6.93M0.0%-55.9%1.337%
8/14/2025 Jane Street Group LLC13,785$1.30M0.0%+96.4%0.251%
8/14/2025 Raymond James Financial Inc.185,555$17.48M0.0%-29.7%3.374%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,840$268K0.0%-7.4%0.052%
8/14/2025 Sei Investments Co.4,362$411K0.0%-19.5%0.079%
8/14/2025 Qube Research & Technologies Ltd19,898$1.88M0.0%+436.6%0.362%
8/13/2025 Gabelli Funds LLC25,156$2.37M0.0%N/A0.457%
8/13/2025 Gamco Investors INC. ET AL3,930$370K0.0%N/A0.071%
8/13/2025 Kennedy Capital Management LLC90,479$8.53M0.2%-20.1%1.644%
8/13/2025 State Board of Administration of Florida Retirement System2,564$242K0.0%+17.1%0.047%
8/12/2025 Boston Partners5,421$511K0.0%+16.3%0.099%
8/12/2025 American Century Companies Inc.13,431$1.27M0.0%+1.5%0.244%
8/12/2025 Segall Bryant & Hamill LLC18,287$1.72M0.0%-8.6%0.332%
8/12/2025 Rhumbline Advisers12,793$1.21M0.0%-6.1%0.233%
8/12/2025 Franklin Resources Inc.3,476$328K0.0%+5.5%0.063%
8/12/2025 Legal & General Group Plc14,657$1.38M0.0%+5.4%0.266%
8/12/2025 Swiss National Bank10,402$980K0.0%-1.9%0.189%
8/12/2025 Dynamic Technology Lab Private Ltd4,801$452K0.1%N/A0.087%
8/8/2025 Intech Investment Management LLC2,593$244K0.0%-10.4%0.047%
8/8/2025 Creative Planning6,353$599K0.0%-18.4%0.116%
8/8/2025 Geode Capital Management LLC138,769$13.08M0.0%+0.9%2.523%
8/7/2025 Boston Partners5,421$511K0.0%+16.3%0.099%
8/7/2025 Los Angeles Capital Management LLC2,504$236K0.0%-17.2%0.046%
8/5/2025 Geneva Capital Management LLC199,092$18.76M0.3%+5.2%3.620%
8/1/2025 Envestnet Asset Management Inc.20,483$1.93M0.0%+7.5%0.372%
7/31/2025 MQS Management LLC2,194$207K0.1%N/A0.040%
7/31/2025 AlphaQuest LLC6,056$571K0.1%+9,667.7%0.110%
7/30/2025 Conestoga Capital Advisors LLC566,150$53.34M0.8%-0.9%10.294%
7/16/2025 State of Alaska Department of Revenue3,224$303K0.0%+7.1%0.059%
7/7/2025 Kings Path Partners LLC3,405$321K0.1%-18.2%0.062%
5/29/2025Rhumbline Advisers13,628$1.62M0.0%+4.4%0.251%
5/19/2025Jane Street Group LLC7,019$833K0.0%-79.6%0.129%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC19,977$2.37M0.0%+3.6%0.368%
5/16/2025Goldman Sachs Group Inc.15,334$1.82M0.0%-48.8%0.281%
5/16/2025Select Equity Group L.P.73,897$8.77M0.0%+439.0%1.360%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.3,068$364K0.0%+4.9%0.056%
5/16/2025Jacobs Levy Equity Management Inc.2,820$335K0.0%N/A0.052%
5/16/2025AQR Capital Management LLC8,156$968K0.0%-25.1%0.150%
5/15/2025Royal Bank of Canada30,772$3.65M0.0%+1.2%0.566%
5/15/2025State of Wyoming427$51K0.0%+501.4%0.008%
5/14/2025Keeley Teton Advisors LLC15,678$1.86M0.2%-28.7%0.289%
5/14/2025Comerica Bank44,285$5.26M0.0%+4.4%0.815%
5/14/2025Quantbot Technologies LP567$67K0.0%N/A0.010%
5/13/2025Northern Trust Corp82,444$9.78M0.0%-12.1%1.517%
5/13/2025Meros Investment Management LP31,964$3.79M2.2%-20.6%0.588%
5/13/2025Raymond James Financial Inc.264,013$31.33M0.0%+6.5%4.859%
5/13/2025American Century Companies Inc.13,237$1.57M0.0%+40.2%0.244%
5/13/2025Resona Asset Management Co. Ltd.595$71K0.0%-14.4%0.011%
5/12/2025Public Sector Pension Investment Board17,256$2.05M0.0%+27.1%0.318%
5/12/2025Nuveen LLC19,424$2.31M0.0%N/A0.357%
5/12/2025Invesco Ltd.17,929$2.13M0.0%-3.1%0.330%
5/12/2025Herald Investment Management Ltd12,500$1.48M0.3%+68.5%0.230%
5/9/2025Deutsche Bank AG4,703$558K0.0%-8.6%0.087%
5/9/2025Charles Schwab Investment Management Inc.65,464$7.77M0.0%+4.6%1.205%
5/9/2025Vanguard Group Inc.384,613$45.64M0.0%+0.5%7.078%
5/9/2025Geneva Capital Management LLC189,312$22.46M0.4%+0.2%3.484%
5/8/2025US Bancorp DE1,323$157K0.0%+48.3%0.024%
5/7/2025Mackenzie Financial Corp5,247$623K0.0%-30.4%0.097%
5/6/2025Pacer Advisors Inc.1,572$187K0.0%-10.4%0.029%
5/6/2025Avantax Advisory Services Inc.2,036$242K0.0%+22.4%0.037%
5/6/2025Royce & Associates LP271,118$32.17M0.3%-5.6%4.989%
5/6/2025Diamond Hill Capital Management Inc.29,458$3.50M0.0%+10.6%0.542%
5/6/2025Choreo LLC4,887$580K0.0%-3.3%0.090%
5/2/2025Segall Bryant & Hamill LLC20,010$2.37M0.0%-2.2%0.368%
5/2/2025Victory Capital Management Inc.8,706$1.03M0.0%-1.5%0.160%
5/1/2025Rice Hall James & Associates LLC27,375$3.25M0.2%-1.1%0.504%
4/29/2025Envestnet Asset Management Inc.19,058$2.26M0.0%+8.3%0.351%
4/29/2025Bank of New York Mellon Corp54,767$6.50M0.0%+2.7%1.008%
4/28/2025Principal Financial Group Inc.43,659$5.18M0.0%+13.8%0.803%
4/22/2025Cambridge Investment Research Advisors Inc.2,296$272K0.0%-4.9%0.042%
4/17/2025Conestoga Capital Advisors LLC571,358$67.80M1.0%-0.3%10.515%
4/15/2025SG Americas Securities LLC2,461$292K0.0%+18.7%0.045%
4/8/2025Rhumbline Advisers13,628$1.62M0.0%+4.4%0.251%
4/7/2025GAMMA Investing LLC18,036$2.14M0.0%+14,805.8%0.332%
4/4/2025Kings Path Partners LLC4,161$494K0.2%-38.6%0.077%
3/24/2025Wellington Management Group LLP14,314$1.89M0.0%N/A0.263%
2/20/2025Mackenzie Financial Corp7,537$994K0.0%+26.1%0.139%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC19,292$2.54M0.0%+91.0%0.355%
2/17/2025Squarepoint Ops LLC2,225$293K0.0%N/A0.041%
2/17/2025Select Equity Group L.P.13,711$1.81M0.0%+5.3%0.253%
2/17/2025ProShare Advisors LLC1,558$205K0.0%N/A0.029%
2/17/2025Meros Investment Management LP40,263$5.31M2.4%+21.1%0.741%
2/17/2025Millennium Management LLC4,832$637K0.0%+61.0%0.089%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,925$386K0.0%+3.5%0.054%
2/17/2025Janus Henderson Group PLC86,286$11.38M0.0%+10.3%1.589%
2/17/2025Deutsche Bank AG5,147$679K0.0%+44.5%0.095%
2/17/2025Citadel Advisors LLC6,817$899K0.0%-36.4%0.126%
2/17/2025Bank of America Corp DE68,474$9.03M0.0%+27.7%1.261%
2/17/2025BNP Paribas Financial Markets714$94K0.0%-49.7%0.013%
2/17/2025Ameriprise Financial Inc.151,862$20.03M0.0%+191.8%2.797%
(Data available from 1/1/2016 forward)

MLAB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MLAB shares?

During the previous two years, 141 institutional investors and hedge funds held shares of Mesa Laboratories. The most heavily invested institutionals were Conestoga Capital Advisors LLC ($53.34M), Vanguard Group Inc. ($45.64M), Royce & Associates LP ($32.17M), State Street Corp ($27.81M), Ranger Investment Management L.P. ($20.19M), Eagle Asset Management Inc. ($19.72M), and Geneva Capital Management LLC ($18.76M).Learn more on Mesa Laboratories' institutional investors.

What percentage of Mesa Laboratories' stock is owned by institutional investors?

90.60% of Mesa Laboratories' stock is owned by institutional investors. Learn more on MLAB's institutional investor holdings.

Which institutional investors have been buying Mesa Laboratories' stock?

Of the 109 institutional investors that purchased Mesa Laboratories' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Raymond James Financial Inc. ($511.81K), Ameriprise Financial Inc. ($99.82K), Conestoga Capital Advisors LLC ($94.46K), Select Equity Group L.P. ($89.17K), Motley Fool Asset Management LLC ($64.78K), Boone Capital Management LLC ($64.06K), and Comerica Bank ($48.01K).

How much institutional buying is happening at Mesa Laboratories?

Institutional investors have bought a total of 1,233,870 shares in the last 24 months. This purchase volume represents approximately $156.05M in transactions.

Which of Mesa Laboratories' major shareholders have been selling company stock?

Of the 61 institutional investors that sold Mesa Laboratories' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Royce & Associates LP ($123.38K), Ameriprise Financial Inc. ($93.26K), Raymond James Financial Inc. ($78.46K), Conestoga Capital Advisors LLC ($50.39K), Jane Street Group LLC ($47.51K), Janus Henderson Group PLC ($35.83K), and Kennedy Capital Management LLC ($22.79K).

How much institutional selling is happening at Mesa Laboratories?

Institutional investors have sold a total of 609,026 shares in the last 24 months. This volume of shares sold represents approximately $70.11M in transactions.


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This page (NASDAQ:MLAB) was last updated on 9/14/2025 by MarketBeat.com Staff
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