Ticker · CUSIP 21867A105

CLB

CORE LABORATORIES INC
···Share
Holders (tracked)
8
Combined shares
14,937,339
Combined value
$238.66M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
-4 vs previous quarter over the last 8.
8112024Q12025Q4

SEC event timeline

20 events
  1. −144,514 shares · 2025Q4
    13F
  2. −30,551 shares · 2025Q4
    13F
  3. −11,496 shares · 2025Q4
    13F
  4. −178,992 shares · 2025Q4
    13F
  5. −71,735 shares · 2025Q4
    13F
  6. +5,578 shares · 2025Q4
    13F
  7. +12,242 shares · 2025Q4
    13F
  8. −112,568 shares · 2025Q4
    13F
  9. +149,219 shares · 2025Q4
    13F
  10. −49,600 shares · 2025Q4
    13F
  11. +5,160 shares · 2025Q3
    13F
  12. −128,692 shares · 2025Q3
    13F
  13. +37,576 shares · 2025Q3
    13F
  14. +9,435 shares · 2025Q3
    13F
  15. +148,642 shares · 2025Q3
    13F
  16. +1,305 shares · 2025Q3
    13F
  17. +797,105 shares · 2025Q3
    13F
  18. +34,181 shares · 2025Q3
    13F
  19. −43,147 shares · 2025Q3
    13F
  20. −65,654 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Added to3
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2023Q2
9
$426.0M
2023Q3
10
$437.9M
2023Q4
9
$327.6M
2024Q1
11
$350.0M
2024Q2
10
$395.4M
2024Q3
11
$215.3M
2024Q4
11
$191.2M
2025Q1
9
$174.6M
2025Q2
10
$167.1M
2025Q3
12
$189.9M
2025Q4
8
$238.7M

Who owns CLB

8 super-investors · 2025Q4
Tracked stake
14.94M
shares
Combined value
$239M
% of shares outstanding
shares-out unknown
Quarter action mix
Added3Trim5
#ManagerSharesValue
1John Rogers
Ariel Investments
13.66M$219M
2Ken Fisher
Fisher Asset Mgmt
775.0K$12M
3Renaissance Technologies183.4K$3M
4D.E. Shaw & Co.167.9K$3M
5AQR Capital Management49.8K$799K
6Ken Griffin
Citadel Advisors
36.9K$592K
7Izzy Englander
Millennium Mgmt
14.4K$231K
8T. Rowe Price48.9K$785

Recent moves

20 transactions
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