MAGNITE INC (MGNI) Institutional Ownership and Insiders Activity

MAGNITE INC (MGNI) is widely held by institutional investors, with 1 tracked firm reporting positions valued at approximately $5.35M based on SEC Form 13F filings for the quarter ended March 31, 2026.

First Eagle U.S. Value is the largest disclosed holder, reporting approximately $5.35M in MGNI holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with First Eagle U.S. Value representing the majority of disclosed value.

Recent insider activity includes 25 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.