Who Owns MGNI?

Magnite, Inc. — Institutional Ownership & 13F Holdings

$13.04

+0.06 (+0.46%)

Market Cap

$1.9B

Shares Outstanding

144,364,000

Institutional Holders

288

Total Inst. Value

$1.4B

% of Float Held

93.2%

QoQ Holder Change

+115

Institutional data as of Q1 2025

New Positions

66

Closed Positions

43

Increased

96

Decreased

93

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1VANGUARD GROUP INC$156.8M13,743,521
2Capital Research Global Investors$147.4M12,920,070
3BlackRock, Inc.$111.7M9,787,840
4FMR LLC$110.5M9,684,198
5WELLINGTON MANAGEMENT GROUP LLP$67.4M5,903,271
6DIMENSIONAL FUND ADVISORS LP$60.3M5,281,651
7Edenbrook Capital, LLC$45.8M4,016,672
8Nuveen, LLCNew$41.0M3,596,503
9GEODE CAPITAL MANAGEMENT, LLC$34.6M3,033,428
10NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$34.2M3,000

Biggest Buyers & Sellers This Quarter

Top Buyers

FundShares AddedValue
VANGUARD GROUP INC+138K$156.8M
Capital Research Global Investors+5.2M$147.4M
FMR LLC+8.1M$110.5M
Edenbrook Capital, LLC+913K$45.8M
Nuveen, LLCNew+3.6M$41.0M

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Frequently Asked Questions

How many institutional investors hold MGNI?

As of Q1 2025, 288 institutional investors report holding MGNI (Magnite, Inc.) in their 13F filings.

What percentage of Magnite, Inc. is owned by institutions?

Institutional investors hold approximately 93.2% of Magnite, Inc.'s float as reported in SEC 13F filings.

Which hedge fund owns the most MGNI?

The largest institutional holder of MGNI is VANGUARD GROUP INC with $156.8M in shares.

Are institutions buying or selling MGNI?

This quarter, 66 institutions opened new positions in MGNI and 43 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.