Nine Ten Capital Management LLC

Position in MGNI — Magnite, Inc.

CIK 1635236 CHICAGO, IL

Position in MGNI

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$41,357,642

-$7,390,510 QoQ

Shares Held

3,481,283

+15.9% QoQ

Ownership

2.43%

of shares outstanding

% of Portfolio

13.14%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

22 quarters on record

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

Communication Services · as of Mar 31, 2026

Nine Ten Capital Management LLC holds $41,357,642 across 1 Advertising Agencies name. MGNI ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	MGNI	Magnite, Inc. This page	3,481,283	$41,357,642

22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$41,357,642	3,481,283	+15.9%	Shares	Sole	2026-05-15
2025-12-31	$48,748,152	3,003,583	+5.1%	Shares	Sole	2026-02-17
2025-09-30	$62,259,937	2,858,583	0.0%	Shares	Sole	2025-11-14
2025-06-30	$68,949,021	2,858,583	+4.5%	Shares	Sole	2025-08-14
2025-03-31	$31,204,410	2,734,830	-12.2%	Shares	Sole	2025-05-15
2024-12-31	$49,604,316	3,115,849	+18.8%	Shares	Sole	2025-02-13
2024-09-30	$36,312,844	2,621,866	+58.6%	Shares	Sole	2024-11-13
2024-06-30	$21,965,618	1,652,793	-55.5%	Shares	Sole	2024-08-14
2024-03-31	$39,929,778	3,714,398	-10.1%	Shares	Sole	2024-05-15
2023-12-31	$38,598,792	4,132,633	+5.1%	Shares	Sole	2024-02-14
2023-09-30	$29,639,845	3,931,014	+191.5%	Shares	Sole	2023-11-14
2022-12-31	$14,281,133	1,348,549	-35.5%	Shares	Sole	2023-02-13
2022-09-30	$13,740,576	2,091,412	-11.6%	Shares	Sole	2022-11-14
2022-06-30	$21,013,738	2,366,412	0.0%	Shares	Sole	2022-08-09
2022-03-31	$31,260,302	2,366,412	0.0%	Shares	Sole	2022-05-11
2021-12-31	$41,412,210	2,366,412	+28.6%	Shares	Sole	2022-02-09
2021-09-30	$51,534,056	1,840,502	+84.5%	Shares	Sole	2021-11-12
2021-06-30	$33,755,772	997,511	+17.7%	Shares	Sole	2021-08-11
2021-03-31	$35,264,932	847,511	-64.8%	Shares	Sole	2021-05-10
2020-12-31	$73,901,465	2,406,430	-51.5%	Shares	Sole	2021-02-11
2020-09-30	$34,506,291	4,964,934	0.0%	Shares	Sole	2020-11-16
2020-06-30	$33,116,109	4,964,934	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.