JP Morgan Chase
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JP Morgan Chase’s Magnite MGNI Stock Holding History

JP Morgan Chase’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
2023
Q2 		– Sell
-500
Closed -$5K – 7169
2023
Q1 		$5K Buy
+500
New +$5.33K ﹤0.01% 6249

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
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

JP Morgan Chase's MGNI Position: Q2 2026 in Review

JP Morgan Chase reduced its Magnite (MGNI) stake by 16% in Q2 2026, selling an estimated $1.14M and leaving 407,025 shares worth $7.89M. The position accounts for ﹤0.01% of the portfolio, ranked #3031.

JP Morgan Chase first reported a position in MGNI in Q2 2014 and has held it in 49 quarters since. The position peaked at $27.8M in Q1 2021. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • JP Morgan Chase held 407,025 shares of Magnite worth $7.89M as of Q2 2026.
  • JP Morgan Chase sold 79,843 Magnite shares in Q2 2026, an estimated $1.14M.
  • Magnite made up ﹤0.01% of JP Morgan Chase's portfolio in Q2 2026, its #3031 holding.
  • JP Morgan Chase first reported a position in Magnite in Q2 2014 and has held it in 49 quarters since.
  • JP Morgan Chase's Magnite position peaked at $27.8M in Q1 2021.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on JP Morgan Chase's 13F filing for Q2 2026, filed 12 Aug 2026.