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DGX · CUSIP 74834L100

Quest Diagnostics Inc.

Reported by 3 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.

Managers holding
3
Average portfolio weight
0.5%
Combined reported value
$333.6M
Research group
79

3 of the 79 superinvestors Shameless Cloning tracks reported Quest Diagnostics Inc. (DGX) in their Q2 2026 13F filings, worth $333.6M combined, at an average 0.5% of their portfolios. The largest positions by portfolio weight belong to Christopher Davis (1.4%), Steven Check (0.0%), First Eagle Investment Management (0.0%).

Reporting managers

This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.

Managers reporting Quest Diagnostics Inc.
Manager / SEC filer% of portfolioReported value
Christopher DavisDavis Selected Advisers1.4%$329.8M
Steven CheckCHECK CAPITAL MANAGEMENT INC/CA0.0%$551K
First Eagle Investment ManagementFirst Eagle Investment Management, LLC0.0%$3.2M