MAGNITE INC (MGNI) Institutional Ownership

MGNI is currently held by 1 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $5.35M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is First Eagle U.S. Value, which reported ownership valued at approximately $5.35M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, First Eagle U.S. Value's MGNI position is now estimated to be worth approximately $8.21M, representing an estimated gain of +53.54% since the filing period.

Major shareholders tracked on this page include First Eagle U.S. Value, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks smart money ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward MAGNITE INC (MGNI).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20261$5,349,421450,288
Q4 20251$4,811,270296,443
Q3 20251$12,533,149575,443
Q2 20252$15,150,230628,119
Q1 20251$5,655,446495,657
Q4 20241$5,845,139367,157
Q3 20231$1,699,358225,379
Q2 20232$5,570,207704,531
Q1 20232$2,416,814978,331
Q4 20222$4,197,4661,351,659
Q3 20222$6,139934,423
Q2 20222$16,1971,823,954