13F

Stock

Magnite, Inc.

MGNI · held by 15 managers

Reported value

$82.9M

Holders

15

+3 new · −0 exited

Holders’ est. mark

−$493.2K

Price effect on 2 books still in the name

Largest holder

$44.6M

MORGAN STANLEY

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY2.05M$44.6MHeld
BANK OF AMERICA CORP /DE/2.09M$18.6MHeld
TUDOR INVESTMENT CORP ET AL449.1K$9.78MHeld
Polar Asset Management Partners Inc.213.9K$4.66MHeld
BARCLAYS PLC210.7K$4.59M−$492.9KCut−$2.03M
Sanctuary Advisors, LLC37K$422.1KNew
OP Asset Management Ltd8.23K$179.2KNew
AllSquare Wealth Management LLC2.54K$55.3KHeld
Allworth Financial LP565$12.3KHeld
Leonteq Securities AG96$2.09K−$225Cut−$225
Essential Partners LLC26$566New
IFP Advisors, Inc6$131Held
KBC Group NV4.48K$98Held
FNY Investment Advisers, LLC14$0Held

Positions as of Q3 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.