NYSE: CLB
Core Laboratories Inc Stock Ownership - Who owns Core Laboratories?

Insider buying vs selling

Have Core Laboratories Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark Damian TattoliSVP Gen Counsel Secretary2026-05-0197$14.07
$1.36kSell
Gwendolyn GreshamSVP2025-12-3119,301$16.03
$309.40kSell
Christopher Scott HillSVP CFO2025-12-3132,152$16.03
$515.40kSell
Lawrence BrunoChairman and CEO2025-12-31112,681$16.03
$1.81MSell
Mark Damian TattoliSVP Gen Counsel Secretary2025-12-3114,310$16.03
$229.39kSell
Sow Hang TeoCAO Treasurer2025-12-01340$15.39
$5.23kSell
Sow Hang TeoCAO Treasurer2025-10-0199$12.58
$1.25kSell
Mark Damian TattoliSVP Gen Counsel Secretary2025-10-01276$12.58
$3.47kSell
Mark Damian TattoliSVP Gen Counsel Secretary2025-08-0199$10.53
$1.04kSell
Sow Hang TeoCAO Treasurer2025-08-0190$10.53
$947.70Sell

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Net Insider Buy/Sell (L12M) Ownership

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CLB Shareholders

What type of owners hold Core Laboratories Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ariel Investments LLC29.64%13,661,000$179.37MInstitution
Goldman Sachs Group Inc20.13%9,281,124$121.86MInsider
Blackrock Inc15.52%7,153,543$93.93MInstitution
Disciplined Growth Investors Inc11.21%5,166,914$67.84MInstitution
Earnest Partners LLC6.99%3,221,043$42.29MInstitution
Vanguard Group Inc6.68%3,079,882$40.44MInstitution
State Street Corp4.43%2,041,740$26.81MInstitution
Dimensional Fund Advisors LP2.67%1,229,611$16.14MInstitution
Geode Capital Management LLC2.42%1,114,935$14.64MInstitution
T Rowe Price Investment Management Inc2.26%1,042,208$13.68MInstitution

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CLB vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLB81.39%18.61%Net SellingNet Selling
FET3.14%96.86%Net SellingNet Selling
FTK31.01%63.75%Net BuyingNet Selling
OIS78.11%21.89%Net SellingNet Selling
NGS67.61%32.39%Net SellingNet Selling

Core Laboratories Stock Ownership FAQ

Who owns Core Laboratories?

Core Laboratories (NYSE: CLB) is owned by 108.85% institutional shareholders, 24.88% Core Laboratories insiders, and 0.00% retail investors. Goldman Sachs Group Inc is the largest individual Core Laboratories shareholder, owning 9.28M shares representing 20.13% of the company. Goldman Sachs Group Inc's Core Laboratories shares are currently valued at $121.86M.

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