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Capital Research Global Investors

Position in MGNI — Magnite, Inc.

CIK 1422848 Los Angeles, CA

Position in MGNI

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$59,641,033
-$150,055,257 QoQ
Shares Held
5,020,289
-61.1% QoQ
Ownership
3.51%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MGNI Over Time

Shares Held

Position Value (USD)

Position in Advertising Agencies

Communication Services · as of Mar 31, 2026

Capital Research Global Investors holds $1,614,126,331 across 3 Advertising Agencies names. MGNI ranks #3 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MGNI
Magnite, Inc.
This page
5,020,289 $59,641,033

All Filings in MGNI

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $59,641,033 5,020,289
2025-12-31 $209,696,290 12,920,289
2025-09-30 $152,086,712 6,982,861
2025-06-30 $311,632,088 12,920,070
2025-03-31 $147,417,998 12,920,070
2024-12-31 $122,985,741 7,725,235