DH
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Insider TradesSuperinvestorsGrand Portfolio
DH
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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MGNI

MAGNITE, INC.

Superinvestors

Institutional investors holding MGNI

Consensus →
InvestorFundWeightSharesValueQuarter
First Eagle Investment ManagementFirst Eagle Investment Management0.01%450,288$5.3M2026Q1
Mairs & PowerMairs & Power Growth Fund0.00%10,000$241K2025Q2

Congressional Activity

Congressional data coming soon

Insider Activity

3

Total trades

$394K

Volume

0

Buys

3

Sells

Last trade: May 15, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 15, 2026Michael G. BarrettSell$133K
May 15, 2026Sean Patrick BuckleySell$154K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 15, 2026
David Buonasera
Sell
$107K