JT
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Jupiter Topco’s Magnite MGNI Stock Holding History

Jupiter Topco’s Portfolio MGNI Stock Details MGNI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.11M Buy
+58,423
New +$837K ﹤0.01% 1763

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
EC
Edenbrook Capital Mt. Kisco, New York $496M AUM 53.85% 1-Year Est. Return

Jupiter Topco's MGNI Position: Q2 2026 in Review

Jupiter Topco opened a new position in Magnite (MGNI) in Q2 2026: 58,423 shares worth $1.11M. The stake represents ﹤0.01% of the portfolio and ranks #1763 among its holdings.

289 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Jupiter Topco held 58,423 shares of Magnite worth $1.11M as of Q2 2026.
  • Magnite was a new Jupiter Topco position in Q2 2026.
  • Magnite made up ﹤0.01% of Jupiter Topco's portfolio in Q2 2026, its #1763 holding.
  • 289 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Jupiter Topco's 13F filing for Q2 2026, filed 14 Aug 2026.