Graham Holdings Co

13D and 13G Filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing since 12/18/2024, newest first.

Issuer % of Class Filed
PubMatic, Inc. 13G/A Amendment 2
PUBM · 74467Q103
8.9% 5/15/2026
Event 3/31/2026
PubMatic, Inc. 13G/A Amendment 1
PUBM · 74467Q103
7.0% 5/14/2025
Event 3/31/2025