GRAHAM HOLDINGS CO-CLASS B (GHC) Institutional Ownership and Insiders Activity

GRAHAM HOLDINGS CO-CLASS B (GHC) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $50.31M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Longleaf Partners is the largest disclosed holder, reporting approximately $39.92M in GHC holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Longleaf Partners representing the majority of disclosed value.

Recent insider activity includes 5 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.