GHC: Graham Holdings Co insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-14New 13G stakeMadison Avenue International LP7.50%SEC

Institutional ownership (Q2 2026)

338 institutions reported holding $3.06B of Graham Holdings Co on Form 13F (331 the quarter before). 33 opened a new position and 26 sold out. Shares held by institutions: +1%.

Largest holdersSharesValue
BlackRock, Inc.425,251$485.39M
Madison Avenue Partners, LP246,368$281.21M
DIMENSIONAL FUND ADVISORS LP236,999$270.52M
VANGUARD PORTFOLIO MANAGEMENT LLC174,802$199.52M
Wallace Capital Management Inc.156,376$178.49M
VANGUARD CAPITAL MANAGEMENT LLC144,585$165.03M
STATE STREET CORP127,799$145.87M
FIRST TRUST ADVISORS LP92,463$105.54M
GEODE CAPITAL MANAGEMENT, LLC90,982$103.86M
AQR CAPITAL MANAGEMENT LLC90,131$102.88M

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