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Cannell Capital’s Magnite MGNI Stock Holding History

Cannell 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
2025
Q4 		– Sell
-265,152
Closed -$5.78M – 66
2025
Q3 		$5.78M Buy
265,152
+138,574
+109% +$3.27M 0.88% 29
2025
Q2 		$3.05M Buy
+126,578
New +$1.86M 0.91% 35
2023
Q3 		– Sell
-646,404
Closed -$8.82M – 63
2023
Q2 		$8.82M Buy
646,404
+139,551
+28% +$1.55M 1.76% 24
2023
Q1 		$4.69M Buy
506,853
+175,086
+53% +$1.87M 0.91% 37
2022
Q4 		$3.51M Buy
+331,767
New +$3.03M 0.71% 32
2021
Q2 		– Sell
-164,011
Closed -$6.82M – 78
2021
Q1 		$6.82M Sell
164,011
-553,157
-77% -$24M 1.53% 28
2020
Q4 		$22M Sell
717,168
-1,953,507
-73% -$29.6M 6.27% 3
2020
Q3 		$18.5M Buy
2,670,675
+1,558,519
+140% +$10.4M 6.78% 2
2020
Q2 		$7.42M Buy
+1,112,156
New +$6.95M 2.78% 14
2018
Q3 		– Sell
-62,724
Closed -$179K – 60
2018
Q2 		$179K Buy
+62,724
New +$149K 0.05% 61

Other funds holding MGNI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cannell Capital's MGNI Position: Q4 2025 in Review

Cannell Capital sold out of Magnite (MGNI) in Q4 2025, closing a stake of 265,152 shares — an estimated $5.78M sold.

Cannell Capital first reported a position in MGNI in Q2 2018 and held it in 10 quarters. The position peaked at $22M in Q4 2020. 304 funds tracked by Wall St. Rank hold MGNI as of Q4 2025.

  • Cannell Capital reported no remaining Magnite position as of Q4 2025 after selling out during the quarter.
  • Cannell Capital sold 265,152 Magnite shares in Q4 2025, an estimated $5.78M.
  • Cannell Capital first reported a position in Magnite in Q2 2018 and held it in 10 quarters.
  • Cannell Capital's Magnite position peaked at $22M in Q4 2020.
  • 304 funds tracked by Wall St. Rank held Magnite as of Q4 2025.

Based on Cannell Capital's 13F filing for Q4 2025, filed 17 Feb 2026.