QUEST DIAGNOSTICS INC (DGX) Institutional Ownership and Insiders Activity

QUEST DIAGNOSTICS INC (DGX) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $8.78M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Sequoia Financial Advisors is the largest disclosed holder, reporting approximately $7.16M in DGX holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Sequoia Financial Advisors representing the majority of disclosed value.

Recent insider activity includes 23 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.