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MGNI · Communication Services

MAGNITE INC

USA Communication Services Filing: 2025-12-31
Smart-money confidence · 1 of 3 sources firing
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
28
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
◆ Next steps Interested in MAGNITE INC? Here's what to do with it.
Not financial advice. Bogen Capital surfaces public SEC filings — you decide what to do with them.
Market cap
$2.7B
Industry
Advertising Agencies
Sector
Communication Services
Exchange
NasdaqGS
About MAGNITE INC

Magnite, Inc., together with its subsidiaries, operates an independent omni-channel sell-side advertising platform in the United States and internationally. The company's platform offers applications and services for sellers of digital advertising inventory, or publishers that own and operate CTV channels, applications, websites, and other digital media properties to manage and monetize their inventory; and for buyers, including advertisers, agencies, agency trading desks, and demand side platforms to buy digital advertising inventory, as well as an independent marketplace that brings buyers…

Who's behind the signal
Every informed buyer we can see on MGNI, across all three feeds.
Hedge funds · 5
Citadel Advisors Increased +221%
AQR Capital Management Increased +103%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Not a model pick — but on our radar. MAGNITE INC isn't in the top-10 model right now, but 5 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
5
Investors
0
New positions
2
Increasing
2
Decreasing
1
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.0×
Increased +221%
% of portfolio
0.0%
Position change
+221%
0.0% of Citadel Advisors's portfolio
Trust weight: 1.0×
Increased +103%
% of portfolio
0.0%
Position change
+103%
0.0% of AQR Capital Management's portfolio
Trust weight: 1.3×
Unchanged
% of portfolio
0.0%
Position change
0.0% of Bridgewater Associates's portfolio
Trust weight: 1.2×
Decreased −92%
% of portfolio
0.0%
Position change
−92%
0.0% of Tudor Investment's portfolio
Trust weight: 1.0×
Decreased −96%
% of portfolio
0.0%
Position change
−96%
0.0% of Millennium Management's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to MAGNITE INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell MAGNITE INC or any security.

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