PUBMATIC INC-CLASS A (PUBM) Institutional Ownership and Insiders Activity

PUBMATIC INC-CLASS A (PUBM) is widely held by institutional investors, with 158 firms reporting positions valued at approximately $398.94M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Graham Holdings Co is the largest disclosed holder, reporting approximately $44.59M in PUBM holdings in its latest filing.

Recent insider activity includes 43 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.