Graham Holdings Co

13D and 13G Filings

Issuer % of Class Filed
Schedule 13G · 1 security · passive
PubMatic, Inc. 13G/A
PUBM · 74467Q103
8.9% 5/15/2026
Event 3/31/2026

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.