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NASDAQ: MLAB
Mesa Laboratories Inc Stock Ownership - Who owns Mesa Laboratories?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mesa Laboratories Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John SakysCFO2026-06-222,827$89.50
$253.02kSell
Lyndsey Elizabeth CrennenCAO2026-06-22442$89.50
$39.56kSell
Brian David ArchboldSVP Operations2026-06-222,516$89.50
$225.19kSell
Brian David ArchboldSVP Operations2026-06-18844$95.10
$80.26kBuy
Brian David ArchboldSVP Operations2026-06-181,859$95.10
$176.79kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18125$95.10
$11.89kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18233$95.10
$22.16kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18368$95.10
$35.00kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18263$95.10
$25.01kBuy
John SakysCFO2026-06-181,036$95.10
$98.52kBuy

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Net Insider Buy/Sell (L12M) Ownership

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MLAB Shareholders

What type of owners hold Mesa Laboratories Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Long Path Partners LP7.34%405,583$41.02MInstitution
Blackrock Inc7.13%393,851$39.83MInstitution
Boston Partners4.86%268,711$27.18MInstitution
Select Equity Group LP4.27%235,885$23.86MInstitution
Vanguard Capital Management LLC4.21%232,643$23.53MInstitution
Ranger Investment Management LP3.67%202,903$20.52MInstitution
Evan Guillemin3.63%200,512$20.28MInsider
Luke R. Schmieder3.19%176,293$17.83MInsider
Aqr Capital Management LLC3.09%170,562$17.25MInstitution
Morgan Stanley2.93%162,116$16.40MInstitution

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MLAB vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLAB84.19%15.81%Net BuyingNet Buying
BKSY36.63%63.37%Net SellingNet Selling
VPG71.87%28.13%Net Selling
USBC0.19%99.81%
WRAP10.30%41.30%Net SellingNet Buying
View Top Scientific & Technical Instrument Stocks

Mesa Laboratories Stock Ownership FAQ

Who owns Mesa Laboratories?

Mesa Laboratories (NASDAQ: MLAB) is owned by 87.32% institutional shareholders, 16.39% Mesa Laboratories insiders, and 0.00% retail investors. Evan Guillemin is the largest individual Mesa Laboratories shareholder, owning 200,512.00 shares representing 3.63% of the company. Evan Guillemin's Mesa Laboratories shares are currently valued at $20.58M.

If you're new to stock investing, here's how to buy Mesa Laboratories stock.
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