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Who owns Core Laboratories (CLB) stock

176 funds reported Core Laboratories (CLB) shares in their latest 13F filings, worth $659M in all. The largest holder is Ariel Investments, LLC ($164M). Last quarter 76 funds added to their stakes and 88 cut them.

Largest holders of CLB (13F)Largest holders of CLB (13F)Ariel Investments, LLC$164MBlackRock$86.9MVanguard Group$49.4MDisciplined Growth Investors$35.4MEarnest Partners LLC$34.3MState Street$25.4MCWA Asset Management Group, LLC$20.4MVanguard Capital Management LLC$18.5MDimensional Fund Advisors LP$18.0MSchroder Investment Management$16.9M

Largest holders (13F)

FundSharesValueChangeQuarter
Ariel Investments, LLC14,074,945$164Mincrease2026-06-30
BlackRock7,460,118$86.9Mincrease2026-06-30
Vanguard Group3,079,882$49.4Mincrease2025-12-31
Disciplined Growth Investors3,042,177$35.4Mdecrease2026-06-30
Earnest Partners LLC2,941,004$34.3Mdecrease2026-06-30
State Street2,176,480$25.4Mincrease2026-06-30
CWA Asset Management Group, LLC1,755,085$20.4Mincrease2026-06-30
Vanguard Capital Management LLC1,590,521$18.5Mdecrease2026-06-30
Dimensional Fund Advisors LP1,548,203$18.0Mincrease2026-06-30
Schroder Investment Management1,543,638$16.9Mnew2026-06-30
Vanguard Portfolio Management LLC1,275,421$14.9Mincrease2026-06-30
Geode Capital Management, LLC1,193,824$13.9Mincrease2026-06-30
Gendell Jeffrey L1,090,973$12.7Mincrease2026-06-30
Heartland Advisors1,058,311$12.3Mincrease2026-06-30
Goldman Sachs Group751,643$8.8Mdecrease2026-06-30

Core Laboratories' latest quarter

Core Laboratories, Q3 2026: revenue $132M (-2% year over year), operating margin 9.1%, net earnings $5.4M, operating cash flow $5.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CLB stock?

By the latest 13F filings: Ariel Investments, LLC ($164M); BlackRock ($86.9M); Vanguard Group ($49.4M); Disciplined Growth Investors ($35.4M); Earnest Partners LLC ($34.3M).

What is the short interest in CLB?

4,917,178 shares were sold short at the 2026-10-15 settlement, 1.01% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.