Core Laboratories (CLB) Institutional Ownership $13.72 +0.16 (+1.14%) Closing price 05/19/2026 03:59 PM EasternExtended Trading$13.70 -0.01 (-0.07%) As of 05/19/2026 04:10 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 Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Core Laboratories (NYSE:CLB)CurrentInstitutional OwnershipPercentage97.81%Number ofInstitutional Buyers(last 12 months)95TotalInstitutional Inflows(last 12 months)$105.65MNumber ofInstitutional Sellers(last 12 months)74TotalInstitutional Outflows(last 12 months)$68.44M Get CLB Insider Trade Alerts Want to know when executives and insiders are buying or selling Core Laboratories stock? 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Skip Chart & View Institutional Buying and Selling Data CLB Institutional Buying and Selling by Quarter Core Laboratories Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026 Bank of America Corp DE224,618$3.77M0.0%+59.6%0.487% 5/19/2026 Arkadios Wealth Advisors18,476$310K0.0%-10.8%0.040% 5/18/2026 Amundi31,857$535K0.0%+63.0%0.069% 5/16/2026 The Manufacturers Life Insurance Company 12,819$215K0.0%-9.3%0.028% 5/14/2026 Renaissance Technologies LLC50,603$850K0.0%-72.4%0.110% 5/14/2026 Sei Investments Co.16,843$283K0.0%-25.6%0.037% 5/14/2026 Lido Advisors LLC37,846$635K0.0%-7.8%0.082% 5/14/2026 State of Wyoming4,626$78K0.0%+267.7%0.010% 5/7/2026 Dimensional Fund Advisors LP1,352,329$22.71M0.0%+10.0%2.934% 5/7/2026 Heartland Advisors Inc.150,000$2.52M0.1%N/A0.325% Get the Latest News and Ratings for CLB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Core Laboratories and its competitors with MarketBeat's FREE daily newsletter. 5/5/2026 Bank of New York Mellon Corp403,084$6.77M0.0%-2.1%0.875% 5/5/2026 Illinois Municipal Retirement Fund25,642$431K0.0%+12.9%0.056% 5/4/2026 Principal Financial Group Inc.271,821$4.56M0.0%-7.4%0.590% 5/1/2026 Fifth Third Bancorp11,414$192K0.0%+2,397.6%0.025% 5/1/2026 Kornitzer Capital Management Inc. KS24,775$416K0.0%-8.2%0.054% 4/30/2026 Summit Securities Group LLC1,872$31K0.0%N/A0.004% 4/30/2026 Isthmus Partners LLC14,509$244K0.0%+16.2%0.032% 4/27/2026 New York State Teachers Retirement System7,703$129K0.0%-61.1%0.017% 4/22/2026 Sterling Capital Management LLC1,556$26K0.0%-42.5%0.003% 4/21/2026 Louisiana State Employees Retirement System20,600$346K0.0%N/A0.045% 4/16/2026 SG Americas Securities LLC11,851$199K0.0%-28.3%0.026% 3/9/2026 Corient Private Wealth LLC13,639$219K0.0%N/A0.029% 2/19/2026 T. Rowe Price Investment Management Inc.1,042,208$16.71M0.0%+14.8%2.238% 2/19/2026 Invesco Ltd.204,194$3.27M0.0%-4.8%0.439% 2/19/2026 Corient Private Wealth LLC13,500$216K0.0%N/A0.029% 2/18/2026 State of Tennessee Department of Treasury10,601$170K0.0%-7.3%0.023% 2/18/2026 XTX Topco Ltd54,273$870K0.0%+110.9%0.117% 2/18/2026 Old West Investment Management LLC38,223$613K0.1%N/A0.082% 2/18/2026 Millennium Management LLC14,405$231K0.0%-92.6%0.031% 2/17/2026 AQR Capital Management LLC49,818$799K0.0%+32.6%0.107% 2/17/2026 MAC Alpha Capital Management LP312,928$5.02M2.8%N/A0.672% 2/17/2026 Trexquant Investment LP53,831$863K0.0%-78.1%0.116% 2/17/2026 Amundi19,545$313K0.0%+39.9%0.042% 2/17/2026 Price T Rowe Associates Inc. MD48,920$785K0.0%+12.9%0.105% 2/17/2026 T. Rowe Price Investment Management Inc.938,904$15.05M0.0%+3.4%2.017% 2/17/2026 Russell Investments Group Ltd.155,496$2.49M0.0%-36.6%0.334% 2/17/2026 Captrust Financial Advisors31,767$509K0.0%-13.3%0.068% 2/17/2026 Royal Bank of Canada3,867$62K0.0%-95.0%0.008% 2/17/2026 Aster Capital Management DIFC Ltd2,098$34K0.0%N/A0.005% 2/17/2026 Rice Hall James & Associates LLC99,293$1.59M0.1%-18.2%0.213% Trump's gold order: the announcement they won't put on the front page (Ad)On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no debate, no vote, one executive order. Gold tripled within three years and climbed 20x over the following decade. Trump holds that same executive authority today, and his advisors are openly saying a reversal is on the table. There are two ways this plays out - both move gold in the same direction. A free briefing breaks down exactly what Nixon did, why Trump is positioned to act, and how to move your 401k into gold before any announcement - tax free.Request the free guide in 30 seconds and get positioned now2/16/2026 Squarepoint Ops LLC30,514$489K0.0%+93.6%0.066% 2/16/2026 Panagora Asset Management Inc.11,366$182K0.0%N/A0.024% 2/16/2026 Barclays PLC73,246$1.17M0.0%+9.5%0.157% 2/13/2026 The Manufacturers Life Insurance Company 14,126$226K0.0%-14.7%0.030% 2/13/2026 Archon Capital Management LLC117,252$1.88M1.1%N/A0.252% 2/13/2026 Gendell Jeffrey L648,460$10.40M0.2%+13.9%1.393% 2/13/2026 Public Sector Pension Investment Board161,149$2.58M0.0%-11.9%0.346% 2/13/2026 Arkadios Wealth Advisors20,718$332K0.0%-58.0%0.044% 2/13/2026 Charles Schwab Investment Management Inc.737,550$11.82M0.0%+12.2%1.584% 2/13/2026 State Street Corp2,041,740$32.73M0.0%+3.3%4.385% 2/13/2026 Van ECK Associates Corp352,023$5.64M0.0%+16.2%0.756% 2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC95,198$1.53M0.0%-7.7%0.204% 2/13/2026 Wells Fargo & Company MN218,773$3.51M0.0%-15.8%0.470% 2/13/2026 Platinum Investment Management Ltd.4,196$67K0.0%-82.3%0.009% 2/12/2026 HRT Financial LP126,056$2.02M0.0%-63.9%0.271% 2/12/2026 Brooklyn Investment Group11,226$183K0.0%-68.9%0.024% 2/12/2026 Renaissance Technologies LLC183,400$2.94M0.0%+436.6%0.394% 2/12/2026 Dimensional Fund Advisors LP1,229,611$19.71M0.0%+10.7%2.641% 2/12/2026 Campbell & CO Investment Adviser LLC20,479$328K0.0%+33.3%0.044% 2/12/2026 Earnest Partners LLC3,221,043$51.63M0.2%-6.0%6.918% 2/12/2026 Swiss National Bank92,500$1.48M0.0%+3.7%0.199% 2/12/2026 Nuveen LLC153,515$2.46M0.0%-1.2%0.330% 2/11/2026 LPL Financial LLC12,390$199K0.0%-25.2%0.027% 2/11/2026 Franklin Resources Inc.10,938$175K0.0%-43.5%0.023% 2/10/2026 Lido Advisors LLC41,030$656K0.0%-8.4%0.088% 2/10/2026 Goldman Sachs Group Inc.845,251$13.55M0.0%+185.0%1.815% 2/10/2026 Moors & Cabot Inc.61,842$991K0.0%-15.8%0.133% 2/10/2026 Intech Investment Management LLC21,088$338K0.0%-52.6%0.045% 2/9/2026 Geode Capital Management LLC1,114,935$17.88M0.0%+0.8%2.395% 2/9/2026 Terril Brothers Inc.18,975$304K0.1%N/A0.041% 2/9/2026 Royce & Associates LP206,716$3.31M0.0%-53.1%0.444% 2/9/2026 Fisher Asset Management LLC774,979$12.42M0.0%-6.0%1.664% 2/9/2026 Hantz Financial Services Inc.3,177$51K0.0%+124.7%0.007% 2/5/2026 Abacus Wealth Partners LLC14,513$233K0.0%N/A0.031% 2/4/2026 Argos Wealth Advisors LLC16,119$258K0.1%N/A0.035% 2/4/2026 Pacific Ridge Capital Partners LLC44,423$712K0.2%+4.7%0.095% 2/4/2026 Swiss Life Asset Management Ltd11,999$192K0.0%N/A0.026% 2/3/2026 Connable Office Inc.15,760$253K0.0%N/A0.034% 2/2/2026 Kornitzer Capital Management Inc. KS26,975$432K0.0%-13.4%0.058% 2/2/2026 Oppenheimer Asset Management Inc.42,475$681K0.0%-22.6%0.091% 1/29/2026Comerica Bank11,181$179K0.0%-19.1%0.024% 1/29/2026 Cornerstone Investment Partners LLC11,381$182K0.0%N/A0.024% 1/29/2026 UBS Group AG412,515$6.61M0.0%+32.9%0.886% 1/29/2026 Teachers Retirement System of The State of Kentucky11,713$187K0.0%-12.2%0.025% 1/29/2026Vanguard Group Inc.3,079,882$49.37M0.0%+1.1%6.615% 1/28/2026 Arizona State Retirement System12,961$208K0.0%-6.6%0.028% 1/28/2026 Universal Beteiligungs und Servicegesellschaft mbH19,604$314K0.0%N/A0.042% 1/26/2026 CWM LLC2,516$40K0.0%+36.1%0.005% 1/23/2026 Farther Finance Advisors LLC9,945$159K0.0%+154.2%0.021% 1/21/2026 Yousif Capital Management LLC12,316$197K0.0%-14.6%0.026% Musk's acquisition pattern points to ONE stock (Ad)Musk needed solar - he acquired SolarCity. Needed data - he bought Twitter. The pattern is clear: when a supplier becomes mission-critical, Musk acquires. Right now, one small power infrastructure company is building the equipment his $1.75 trillion empire literally can't run without. Dylan Jovine has the name and ticker.See the stock Musk's playbook says he needs before it moves1/9/2026 SG Americas Securities LLC16,525$265K0.0%N/A0.035% 1/7/2026 CWA Asset Management Group LLC622,453$9.98M0.4%N/A1.337% 1/5/2026 GAMMA Investing LLC5,157$83K0.0%+73.3%0.011% 1/1/2026 JPMorgan Chase & Co.22,165$274K0.0%-13.9%0.048% 11/17/2025 PharVision Advisers LLC17,676$218K0.1%N/A0.038% 11/17/2025 Susquehanna International Group LLP50,782$628K0.0%-39.8%0.109% 11/17/2025 Quantessence Capital LLC15,560$192K0.1%N/A0.033% 11/17/2025 Quarry LP2,953$36K0.0%+118.1%0.006% 11/17/2025 Mercer Global Advisors Inc. ADV10,699$132K0.0%N/A0.023% 11/17/2025 Millennium Management LLC193,397$2.39M0.0%-40.0%0.415% CLB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CLB shares? During the previous two years, 191 institutional investors and hedge funds held shares of Core Laboratories. The most heavily invested institutionals were Ariel Investments LLC ($149.49M), Disciplined Growth Investors Inc. MN ($73.79M), Earnest Partners LLC ($51.63M), Vanguard Group Inc. ($49.37M), State Street Corp ($32.73M), Dimensional Fund Advisors LP ($22.71M), and Geode Capital Management LLC ($17.88M).Learn more on Core Laboratories' institutional investors. What percentage of Core Laboratories' stock is owned by institutional investors? 97.81% of Core Laboratories' stock is owned by institutional investors. Learn more on CLB's institutional investor holdings. Which institutional investors have been buying Core Laboratories' stock? Of the 155 institutional investors that purchased Core Laboratories' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Disciplined Growth Investors Inc. MN ($5.37M), Ariel Investments LLC ($3.34M), Raymond James Financial Inc. ($808.67K), CWA Asset Management Group LLC ($622.45K), Goldman Sachs Group Inc. ($548.66K), Hotchkis & Wiley Capital Management LLC ($502.55K), and MAC Alpha Capital Management LP ($312.93K). How much institutional buying is happening at Core Laboratories? Institutional investors have bought a total of 7,791,022 shares in the last 24 months. This purchase volume represents approximately $105.65M in transactions. Which of Core Laboratories' major shareholders have been selling company stock? Of the 74 institutional investors that sold Core Laboratories' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Vanguard Group Inc. ($1.43M), Royce & Associates LP ($565.64K), Earnest Partners LLC ($381.99K), Millennium Management LLC ($307.68K), Fisher Asset Management LLC ($236.59K), HRT Financial LP ($223.49K), and Trexquant Investment LP ($191.67K). How much institutional selling is happening at Core Laboratories? Institutional investors have sold a total of 5,030,679 shares in the last 24 months. This volume of shares sold represents approximately $68.44M in transactions. Related Companies PTEN Major Shareholders HAL Major Shareholders HP Major Shareholders MGY Major Shareholders NBR Major Shareholders NOV Major Shareholders OII Major Shareholders RES Major Shareholders SLB Major Shareholders WHD Major Shareholders This page (NYSE:CLB) was last updated on 5/20/2026 by MarketBeat.com Staff. 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