GRAHAM HOLDINGS CO-CLASS B (GHC) Institutional Ownership Changes & 13F Activity

GRAHAM HOLDINGS CO-CLASS B (GHC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Longleaf Partners, Sequoia Financial Advisors, Gardner Russo & Quinn, and Greenlight Capital.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2014Longleaf PartnersBuy95,509696,881$487,531
Q3 2014Ariel Appreciation FundSell-3,15651,386$35,949
Q3 2014Gardner Russo & QuinnSell-2,12466,159$46,284
Q3 2014Renaissance Technologies LLCBuy2,10028,500$19,938
Q2 2014Berkshire HathawaySell-1,620,190107,575$77,251
Q2 2014Longleaf PartnersBuy64,362601,372$431,851
Q2 2014Renaissance Technologies LLCBuy8,30026,400$18,958
Q2 2014Gardner Russo & QuinnSell-4,78568,283$49,034
Q2 2014Ariel Appreciation FundSell-3,52054,542$39,167
Q1 2014Ariel Appreciation FundSell-21,66858,062$40,861
Q1 2014Renaissance Technologies LLCBuy15,00018,100$12,738
Q1 2014Longleaf PartnersSell-6,200537,010$377,921
Q1 2014Gardner Russo & QuinnSell-2,77773,068$51,422
Q4 2013Berkshire HathawayBuy1,727,7651,727,765$1,146,062
Q4 2013Longleaf PartnersBuy543,210543,210$360,322
Q4 2013Ariel Appreciation FundBuy79,73079,730$52,887
Q4 2013Gardner Russo & QuinnBuy75,84575,845$50,310
Q4 2013Renaissance Technologies LLCBuy3,1003,100$2,056

Frequently asked questions about GHC activity

  • Which institutional owners are buying GHC?

    Institutional owners buying GHC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in GHC activity?

    "Buy" means an investor increased their reported position in GHC compared to the prior reporting period. This reflects growing exposure to GRAHAM HOLDINGS CO-CLASS B (GHC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in GHC increasing?

    Institutional interest in GHC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.