WallStreetZenWallStreetZen

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

OverviewForecastEarningsRevenueDividendOwnership

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

1 of 2

CLB insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CLB insiders and whales buy or sell their stock.

CLB Shareholders

What type of owners hold Core Laboratories Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ariel Investments LLC28.57%13,170,388$172.14MInstitution
Goldman Sachs Group Inc20.13%9,281,124$121.30MInsider
Blackrock Inc15.64%7,208,503$94.22MInstitution
Disciplined Growth Investors Inc10.71%4,937,115$64.53MInstitution
Earnest Partners LLC6.63%3,055,996$39.94MInstitution
State Street Corp4.47%2,060,537$26.93MInstitution
Cwa Asset Management Group LLC3.78%1,741,001$22.75MInstitution
Vanguard Capital Management LLC3.51%1,619,863$21.17MInstitution
Dimensional Fund Advisors LP2.93%1,352,329$17.67MInstitution
Vanguard Portfolio Management LLC2.72%1,254,836$16.40MInstitution

1 of 3

CLB vs Oil & Gas Equipment & Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLB81.41%18.59%Net SellingNet Selling
FET3.31%96.69%Net SellingNet Selling
OIS78.93%21.07%Net SellingNet Selling
NGS68.96%31.04%Net SellingNet Selling
FTK30.90%63.79%Net SellingNet Selling
View Top Oil & Gas Equipment & Service Stocks

Core Laboratories Stock Ownership FAQ

Who owns Core Laboratories?

Core Laboratories (NYSE: CLB) is owned by 108.94% 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 $125.85M.

If you're new to stock investing, here's how to buy Core Laboratories stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.