GREAT LAKES ADVISORS, LLC

Position in MGNI — Magnite, Inc.

CIK 1078013 CHICAGO, IL

Position in MGNI

as of Jun 30, 2026 · filed Aug 10, 2026 Compact

Position Value

$3,352,152

+$2,917,211 QoQ

Shares Held

176,615

+276.0% QoQ

Ownership

0.123%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#83

of 306 holders

Holding Since

Jun 2022

5 quarters on record

Voting authority Sole 81% Shared 0% None 19%

Communication Services · as of Jun 30, 2026

GREAT LAKES ADVISORS, LLC holds $8,312,567 across 3 Advertising Agencies names. MGNI ranks #1 (40.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MGNI	Magnite, Inc. This page	176,615	$3,352,152
2	ZD	Ziff Davis, Inc.	54,795	$2,869,613
3	APP	AppLovin Corp	4,058	$2,090,802

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,352,152	176,615	+276.0%	Shares	Sole	2026-08-10
2023-03-31	$434,941	46,970	+0.5%	Shares	Sole	2023-05-10
2022-12-31	$494,900	46,733	-1.1%	Shares	Sole	2023-02-09
2022-09-30	$310,516	47,263	+3.5%	Shares	Sole	2022-11-09
2022-06-30	$405,619	45,678	—	Shares	Sole	2022-08-09
No filing history on record for this holder in this stock.