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Mesa Laboratories (MLAB) Institutional Ownership

Mesa Laboratories logo
$96.16 -6.40 (-6.24%)
Closing price 07/7/2026 04:00 PM Eastern
Extended Trading
$96.16 0.00 (0.00%)
As of 07:00 AM 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 Massive. 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)
$117.69M
Number of
Institutional Sellers
(last 12 months)
48
Total
Institutional Outflows
(last 12 months)
$372.80M
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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
5/19/2026Bank of America Corp DE57,871$5.12M0.0%+5.9%1.048%
5/19/2026Janus Henderson Group PLC69,401$6.14M0.0%-40.5%1.257%
5/18/2026Royal Bank of Canada13,275$1.17M0.0%+143.3%0.240%
5/18/2026Ranger Investment Management L.P.202,903$17.94M1.3%-1.1%3.676%
5/16/2026Quantinno Capital Management LP4,318$382K0.0%+17.9%0.078%
5/16/2026Lazard Asset Management LLC20,328$1.80M0.0%N/A0.368%
5/14/2026Renaissance Technologies LLC31,600$2.79M0.0%+802.9%0.572%
5/14/2026Gabelli Funds LLC62,499$5.53M0.0%+2.9%1.132%
5/14/2026Inceptionr LLC4,078$361K0.1%N/A0.074%
5/14/2026Sei Investments Co.7,403$655K0.0%-11.6%0.134%
5/14/2026Globeflex Capital L P10,838$958K0.1%N/A0.196%
5/7/2026Dimensional Fund Advisors LP124,630$11.02M0.0%+7.1%2.258%
5/7/2026Roubaix Capital LLC72,115$6.38M3.0%+30.7%1.306%
5/5/2026Bank of New York Mellon Corp43,937$3.89M0.0%-1.9%0.795%
5/4/2026Principal Financial Group Inc.11,088$980K0.0%-25.5%0.201%
4/27/2026Y Intercept Hong Kong Ltd6,315$558K0.0%N/A0.114%
4/21/2026Wasatch Advisors LP51,233$4.53M0.0%N/A0.928%
4/16/2026SG Americas Securities LLC2,667$236K0.0%-26.1%0.048%
3/3/2026Caitong International Asset Management Co. Ltd341$27K0.0%N/A0.006%
2/19/2026Invesco Ltd.12,845$1.01M0.0%+11.7%0.233%
2/18/2026XTX Topco Ltd12,601$989K0.0%N/A0.228%
2/18/2026Tudor Investment Corp ET AL27,426$2.15M0.0%+332.5%0.496%
2/18/2026Quadrature Capital Ltd13,528$1.06M0.0%N/A0.245%
2/18/2026Numerai GP LLC14,909$1.17M0.1%+313.0%0.270%
2/18/2026Millennium Management LLC4,465$351K0.0%-96.7%0.081%
2/18/2026Man Group plc13,387$1.05M0.0%N/A0.242%
2/18/2026Irenic Capital Management LP25,000$1.96M0.1%N/A0.452%
2/18/2026Janus Henderson Group PLC116,642$9.16M0.0%-19.9%2.111%
2/18/2026Engineers Gate Manager LP3,031$238K0.0%N/A0.055%
2/18/2026Balyasny Asset Management L.P.3,792$298K0.0%-4.5%0.069%
2/17/2026AQR Capital Management LLC70,138$5.51M0.0%+114.9%1.271%
2/17/2026Trexquant Investment LP46,121$3.62M0.0%+83.8%0.836%
2/17/2026Price T Rowe Associates Inc. MD3,141$247K0.0%-23.6%0.057%
2/17/2026Monimus Capital Management LP40,842$3.21M2.1%+21.0%0.740%
2/17/2026Russell Investments Group Ltd.116,337$9.13M0.0%+17.3%2.108%
2/17/2026Crawford Investment Counsel Inc.81,220$6.38M0.1%-1.5%1.471%
2/17/2026State of Wisconsin Investment Board22,606$1.78M0.0%+22.8%0.410%
2/17/2026ExodusPoint Capital Management LP6,937$545K0.0%N/A0.126%
2/17/2026Royal Bank of Canada5,457$429K0.0%-79.7%0.099%
2/17/2026Graham Capital Management L.P.3,723$292K0.0%N/A0.067%
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2/17/2026Rice Hall James & Associates LLC14,217$1.12M0.1%-17.1%0.258%
2/17/2026Meros Investment Management LP85,017$6.67M2.6%+11.2%1.540%
2/16/2026Squarepoint Ops LLC2,747$216K0.0%N/A0.050%
2/16/2026Mariner LLC3,313$260K0.0%N/A0.060%
2/16/2026Kennedy Capital Management LLC144,606$11.35M0.2%+19.0%2.620%
2/16/2026Barclays PLC8,186$643K0.0%+6.8%0.148%
2/13/2026Kestra Advisory Services LLC700$55K0.0%N/A0.013%
2/13/2026Marshall Wace LLP7,137$560K0.0%-51.1%0.129%
2/13/2026Stifel Financial Corp11,275$885K0.0%+11.6%0.204%
2/13/2026Jacobs Levy Equity Management Inc.38,842$3.05M0.0%+907.1%0.704%
2/13/2026Charles Schwab Investment Management Inc.61,913$4.86M0.0%+13.4%1.122%
2/13/2026State Street Corp120,641$9.47M0.0%+1.4%2.186%
2/13/2026Boston Partners213,376$16.75M0.0%+86.6%3.866%
2/13/2026Dynamic Technology Lab Private Ltd6,190$486K0.1%N/A0.112%
2/13/2026Caitong International Asset Management Co. Ltd341$27K0.1%N/A0.006%
2/13/2026Wells Fargo & Company MN5,752$452K0.0%+11.1%0.104%
2/12/2026Jane Street Group LLC56,371$4.43M0.0%+47.5%1.021%
2/12/2026Brooklyn Investment Group3,576$286K0.0%-24.1%0.065%
2/12/2026State Board of Administration of Florida Retirement System2,564$201K0.0%N/A0.046%
2/12/2026Renaissance Technologies LLC3,500$275K0.0%-67.9%0.063%
2/12/2026Dimensional Fund Advisors LP116,363$9.14M0.0%-0.4%2.108%
2/12/2026EntryPoint Capital LLC3,469$272K0.1%-18.3%0.063%
2/12/2026Geneva Capital Management LLC178,713$14.03M0.3%-6.6%3.238%
2/11/2026Deutsche Bank AG4,440$349K0.0%+5.9%0.080%
2/11/2026Cerity Partners LLC3,361$264K0.0%N/A0.061%
2/11/2026LPL Financial LLC4,984$391K0.0%-14.3%0.090%
2/11/2026Franklin Resources Inc.22,074$1.73M0.0%N/A0.400%
2/10/2026Goldman Sachs Group Inc.55,268$4.34M0.0%+32.3%1.001%
2/10/2026Northwestern Mutual Wealth Management Co.328$26K0.0%+5,366.7%0.006%
2/9/2026King Luther Capital Management Corp17,411$1.37M0.0%-12.6%0.315%
2/9/2026Royce & Associates LP153,352$12.04M0.1%+3.2%2.778%
2/6/2026Diamond Hill Capital Management Inc.141,973$11.15M0.1%+15.1%2.572%
2/6/2026GSA Capital Partners LLP11,614$912K0.1%+7.9%0.210%
2/5/2026Gamco Investors INC. ET AL7,754$609K0.0%-5.6%0.140%
2/5/2026Gabelli Funds LLC60,724$4.77M0.0%+12.5%1.100%
1/26/2026CWM LLC1,485$117K0.0%+148.7%0.027%
1/9/2026SG Americas Securities LLC3,609$283K0.0%N/A0.065%
1/1/2026JPMorgan Chase & Co.4,321$290K0.0%-14.2%0.078%
1/1/2026Tudor Investment Corp ET AL6,341$425K0.0%+50.9%0.115%
12/9/2025Tudor Investment Corp ET AL6,341$425K0.0%+50.9%0.115%
11/17/2025Jacobs Levy Equity Management Inc.3,857$258K0.0%N/A0.070%
11/17/2025Susquehanna International Group LLP4,193$281K0.0%-61.7%0.076%
11/17/2025Qube Research & Technologies Ltd30,725$2.06M0.0%+54.4%0.556%
11/17/2025Numerai GP LLC3,610$242K0.0%N/A0.065%
11/17/2025Mason Capital Management LLC70,300$4.71M1.0%N/A1.273%
11/17/2025Millennium Management LLC133,817$8.97M0.0%+131.9%2.423%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,476$166K0.0%-12.8%0.045%
11/17/2025Citadel Advisors LLC34,178$2.29M0.0%+27.2%0.619%
11/17/2025Brevan Howard Capital Management LP5,977$401K0.0%+160.0%0.108%
11/17/2025Crawford Investment Counsel Inc.82,467$5.53M0.1%+59.4%1.493%
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11/17/2025Bank of America Corp DE47,099$3.16M0.0%-27.5%0.853%
11/17/2025Aquatic Capital Management LLC3,610$242K0.0%+452.0%0.065%
11/17/2025Alliancebernstein L.P.5,424$363K0.0%-4.2%0.098%
11/17/2025Ameriprise Financial Inc.39,095$2.62M0.0%-46.8%0.708%
11/14/2025Creative Planning8,732$585K0.0%+37.4%0.159%
11/14/2025Raymond James Financial Inc.47,402$3.18M0.0%-74.5%0.862%
11/14/2025Brooklyn Investment Group4,710$316K0.0%+4,806.3%0.086%
11/14/2025Two Sigma Investments LP9,623$645K0.0%N/A0.175%
11/14/2025Comerica Bank42,388$2.84M0.0%-4.2%0.770%
11/14/2025Simcoe Capital Management LLC190,929$12.79M1.9%N/A3.470%


MLAB Institutional Ownership - Frequently Asked Questions

During the previous two years, 155 institutional investors and hedge funds held shares of Mesa Laboratories. The most heavily invested institutionals were Conestoga Capital Advisors LLC ($28.58M), Vanguard Group Inc. ($21.56M), Eagle Asset Management Inc. ($19.72M), Ranger Investment Management L.P. ($17.94M), Boston Partners ($16.75M), Geneva Capital Management LLC ($14.03M), and Geode Capital Management LLC ($13.08M).Learn more on Mesa Laboratories' institutional investors.

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

Of the 130 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), Boston Partners ($209.47K), Simcoe Capital Management LLC ($190.93K), Diamond Hill Capital Management Inc. ($132.63K), Ameriprise Financial Inc. ($99.82K), Roubaix Capital LLC ($93.58K), and Select Equity Group L.P. ($89.17K).

Institutional investors have bought a total of 1,574,413 shares in the last 24 months. This purchase volume represents approximately $117.69M in transactions.

Of the 48 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: Russell Investments Group Ltd. ($4.19M), Raymond James Financial Inc. ($216.61K), Conestoga Capital Advisors LLC ($144.90K), Glenmede Investment Management LP ($139.50K), Millennium Management LLC ($129.35K), Ameriprise Financial Inc. ($127.67K), and Royce & Associates LP ($99.05K).

Institutional investors have sold a total of 5,415,371 shares in the last 24 months. This volume of shares sold represents approximately $372.80M in transactions.


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This page (NASDAQ:MLAB) was last updated on 7/8/2026 by MarketBeat.com Staff.
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