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Core Laboratories (CLB) Institutional Ownership

Core Laboratories logo
$12.46 +0.03 (+0.24%)
As of 03:58 PM Eastern
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Institutional Ownership Changes (13F Filings) for Core Laboratories (NYSE:CLB)

Current
Institutional Ownership
Percentage
97.81%
Number of
Institutional Buyers
(last 12 months)
88
Total
Institutional Inflows
(last 12 months)
$186.46M
Number of
Institutional Sellers
(last 12 months)
65
Total
Institutional Outflows
(last 12 months)
$62.81M
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CLB Institutional Buying and Selling by Quarter

Core Laboratories Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2026 Corient Private Wealth LP12,087$141K0.0%-12.0%0.026%
8/26/2026 Amundi52,065$607K0.0%+63.4%0.113%
8/24/2026 California State Teachers Retirement System611,940$7.13M0.0%+1,324.0%1.334%
8/21/2026 AXQ Capital LP19,305$225K0.0%N/A0.042%
8/20/2026 Susquehanna International Group LLP20,702$241K0.0%-36.0%0.045%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC92,916$1.08M0.0%-4.1%0.202%
8/19/2026 Van ECK Associates Corp393,682$4.59M0.0%-16.7%0.858%
8/19/2026 Hsbc Holdings PLC26,077$288K0.0%N/A0.057%
8/17/2026 Corient Private Wealth LP12,094$141K0.0%N/A0.026%
8/17/2026 Bank of America Corp DE87,285$1.02M0.0%N/A0.190%
8/15/2026 Jupiter Topco LLC19,854$231K0.0%N/A0.043%
8/14/2026 Hsbc Holdings PLC26,077$288K0.0%N/A0.057%
8/14/2026 Legal & General Group Plc122,575$1.43M0.0%N/A0.267%
8/14/2026 The Manufacturers Life Insurance Company 13,361$156K0.0%N/A0.029%
8/12/2026 Heartland Advisors Inc.1,058,311$12.33M0.5%N/A2.307%
8/11/2026 Advisors Capital Management LLC237,398$2.77M0.0%N/A0.517%
8/11/2026 Tejara Capital Ltd31,097$362K0.1%N/A0.068%
8/7/2026 BlackRock Inc.7,460,118$86.91M0.0%N/A16.258%
8/7/2026 Deutsche Bank AG47,660$555K0.0%N/A0.104%
8/7/2026 Rice Hall James & Associates LLC101,648$1.18M0.1%N/A0.222%
8/7/2026 Old West Investment Management LLC59,910$698K0.1%N/A0.131%
8/6/2026 Bank of New York Mellon Corp401,283$4.68M0.0%N/A0.875%
8/3/2026 Oppenheimer Asset Management Inc.47,664$555K0.0%N/A0.104%
7/7/2026 GAMMA Investing LLC4,820$56K0.0%-24.0%0.010%
5/19/2026 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 Company12,819$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%
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%
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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%
2/16/2026 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%
2/12/2026Brooklyn 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%
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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%


CLB Institutional Ownership - Frequently Asked Questions

During the previous two years, 188 institutional investors and hedge funds held shares of Core Laboratories. The most heavily invested institutionals were Ariel Investments LLC ($149.49M), BlackRock Inc. ($86.91M), Disciplined Growth Investors Inc. MN ($73.79M), Earnest Partners LLC ($51.63M), Vanguard Group Inc. ($49.37M), State Street Corp ($32.73M), and Dimensional Fund Advisors LP ($22.71M).Learn more on Core Laboratories' institutional investors.

97.81% of Core Laboratories' stock is owned by institutional investors. Learn more on CLB's institutional investor holdings.

Of the 154 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: BlackRock Inc. ($7.46M), Ariel Investments LLC ($3.34M), Disciplined Growth Investors Inc. MN ($1.72M), Heartland Advisors Inc. ($1.21M), Raymond James Financial Inc. ($808.67K), CWA Asset Management Group LLC ($622.45K), and California State Teachers Retirement System ($568.97K).

Institutional investors have bought a total of 14,730,369 shares in the last 24 months. This purchase volume represents approximately $186.46M in transactions.

Of the 65 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), HRT Financial LP ($223.49K), Trexquant Investment LP ($191.67K), and Renaissance Technologies LLC ($132.80K).

Institutional investors have sold a total of 4,563,392 shares in the last 24 months. This volume of shares sold represents approximately $62.81M in transactions.


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Institutional ownership data for NYSE:CLB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/27/2026. New 13F filings are added each quarter as they're published.
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