Walleye Capital
MGNI icon

Walleye Capital’s Magnite MGNI Stock Holding History

Walleye Capital’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 		$135K Sell
7,100
-51,300
-88% -$735K ﹤0.01% 3722
2026
Q1 		$694K Buy
58,400
+1,600
+3% +$21.5K ﹤0.01% 2401
2025
Q4 		$922K Buy
56,800
+2,900
+5% +$48.1K ﹤0.01% 2498
2025
Q3 		$1.17M Buy
53,900
+48,200
+846% +$1.14M ﹤0.01% 1967
2025
Q2 		$137K Sell
5,700
-29,100
-84% -$429K ﹤0.01% 3606
2025
Q1 		$397K Sell
34,800
-1,500
-4% -$23.9K ﹤0.01% 2746
2024
Q4 		$578K Sell
36,300
-10,600
-23% -$156K ﹤0.01% 2871
2024
Q3 		$650K Buy
46,900
+43,600
+1,321% +$594K ﹤0.01% 3057
2024
Q2 		$43.9K Buy
+3,300
New +$36.1K ﹤0.01% 4965
2024
Q1 		– Sell
-20,600
Closed -$192K – 5695
2023
Q4 		$192K Buy
20,600
+5,100
+33% +$40.3K ﹤0.01% 3701
2023
Q3 		$117K Buy
+15,500
New +$167K ﹤0.01% 3865
2022
Q4 		– Sell
-400
Closed -$3K – 3453
2022
Q3 		$3K Buy
+400
New +$3.22K ﹤0.01% 3006

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

Walleye Capital's MGNI Position: Q2 2026 in Review

Walleye Capital reduced its Magnite (MGNI) stake by 68% in Q2 2026, selling an estimated $74.3K and leaving 2,449 shares worth $46.5K. The position accounts for ﹤0.01% of the portfolio, ranked #4206.

Walleye Capital first reported a position in MGNI in Q3 2018 and has held it in 12 quarters since. The position peaked at $1.56M in Q3 2022. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Walleye Capital held 2,449 shares of Magnite worth $46.5K as of Q2 2026.
  • Walleye Capital sold 5,184 Magnite shares in Q2 2026, an estimated $74.3K.
  • Magnite made up ﹤0.01% of Walleye Capital's portfolio in Q2 2026, its #4206 holding.
  • Walleye Capital first reported a position in Magnite in Q3 2018 and has held it in 12 quarters since.
  • Walleye Capital's Magnite position peaked at $1.56M in Q3 2022.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.