Capital World Investors

Position in MGNI — Magnite, Inc.

CIK 1422849 LOS ANGELES, CA

Position in MGNI

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$5,425,263

New position

Shares Held

456,672

first reported quarter

Ownership

0.319%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Communication Services · as of Mar 31, 2026

Capital World Investors holds $1,271,252,342 across 3 Advertising Agencies names. MGNI ranks #2 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	APP	AppLovin Corp	3,179,560	$1,265,464,880
2	MGNI	Magnite, Inc. This page	456,672	$5,425,263
3	CCO	Clear Channel Outdoor Holdings, Inc.	152,827	$362,199

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,425,263	456,672	—	Shares	Defined	2026-05-13
No filing history on record for this holder in this stock.