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NASDAQ: MGNI
Magnite Inc Stock Ownership - Who owns Magnite?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Magnite Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Paul CaineDirector2025-07-105,000$23.53
$117.65kSell
Adam Lee SorocaCHIEF PRODUCT OFFICER2025-07-0342,584$25.00
$1.06MSell
Adam Lee SorocaCHIEF PRODUCT OFFICER2025-07-038,327$4.92
$40.97kBuy
Adam Lee SorocaCHIEF PRODUCT OFFICER2025-07-032$1.97
$3.94Buy
Katie Seitz EvansPresident Operations2025-06-3016,137$24.00
$387.29kSell
Aaron SaltzCHIEF LEGAL OFFICER2025-06-3017,574$22.00
$386.63kSell
David DayCHIEF FINANCIAL OFFICER2025-06-3021,682$22.00
$477.00kSell
Katie Seitz EvansPresident Operations2025-06-3016,137$3.61
$58.25kBuy
Katie Seitz EvansPresident Operations2025-06-308,358$22.00
$183.88kSell
David BuonaseraCHIEF TECHNOLOGY OFFICER2025-06-309,289$22.00
$204.36kSell

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Net Insider Buy/Sell (L12M) Ownership

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MGNI Shareholders

What type of owners hold Magnite Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sumant Mandal12.12%17,102,338$386.00MInsider
Vanguard Group Inc9.74%13,743,521$310.19MInstitution
Capital Research Global Investors9.16%12,920,070$291.61MInstitution
Blackrock Inc6.94%9,787,840$220.91MInstitution
Fmr LLC6.86%9,684,198$218.57MInstitution
Wellington Management Group LLP4.18%5,903,271$133.24MInstitution
Clearstone Venture Partners Iiia LP3.95%5,570,406$125.72MInsider
Dimensional Fund Advisors LP3.74%5,281,651$119.21MInstitution
Boston Partners3.74%5,276,356$119.09MInstitution
News Corp3.36%4,746,349$107.13MInsider

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MGNI vs Advertising Agency Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MGNI76.86%23.14%Net SellingNet Selling
ZD92.40%7.60%Net SellingNet Buying
IAS63.97%36.03%Net SellingNet Selling
CRTO89.50%10.50%Net SellingNet Selling
STGW17.44%82.56%Net BuyingNet Buying
View Top Advertising Agency Stocks

Magnite Stock Ownership FAQ

Who owns Magnite?

Magnite (NASDAQ: MGNI) is owned by 93.99% institutional shareholders, 28.30% Magnite insiders, and 0.00% retail investors. Sumant Mandal is the largest individual Magnite shareholder, owning 17.10M shares representing 12.12% of the company. Sumant Mandal's Magnite shares are currently valued at $386.00M.

If you're new to stock investing, here's how to buy Magnite stock.
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