CORE LABORATORIES INC (CLB) Institutional Ownership and Insiders Activity

CORE LABORATORIES INC (CLB) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $304.87M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Ariel Appreciation Fund is the largest disclosed holder, reporting approximately $221.13M in CLB holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Ariel Appreciation Fund representing the majority of disclosed value.