# Core Laboratories (CLB, CLBUSD): value investors who own it

1 value investor held Core Laboratories in their Q2 2026 13F, led by Ariel Investments. See who bought, sold and how ownership has changed by quarter.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Ariel Investments | 1.6% | $164m | Added +6.9% | 13 |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/clb). Values traded and returns are estimates. Not investment advice. Built 2026-10-23.