FFO
MGNI icon

Fortitude Family Office’s Magnite MGNI Stock Holding History

Fortitude Family Office’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
Q1 		$1.54K Sell
130
-394
-75% -$5.28K ﹤0.01% 1371
2025
Q4 		$8.51K Sell
524
-51
-9% -$847 ﹤0.01% 631
2025
Q3 		$12.5K Buy
575
+9
+2% +$213 ﹤0.01% 497
2025
Q2 		$13.7K Hold
566
– – ﹤0.01% 465
2025
Q1 		$6.46K Hold
566
– – ﹤0.01% 662
2024
Q4 		$9.01K Sell
566
-1,195
-68% -$17.5K ﹤0.01% 660
2024
Q3 		$24.4K Buy
1,761
+1,195
+211% +$16.3K 0.01% 380
2024
Q2 		$7.52K Hold
566
– – ﹤0.01% 469
2024
Q1 		$6.08K Hold
566
– – ﹤0.01% 524
2023
Q4 		$5.29K Buy
+566
New +$4.47K ﹤0.01% 602

Other funds holding MGNI

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
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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

Fortitude Family Office's MGNI Position: Q1 2026 in Review

Fortitude Family Office reduced its Magnite (MGNI) stake by 75% in Q1 2026, selling an estimated $5.28K and leaving 130 shares worth $1.54K. The position accounts for ﹤0.01% of the portfolio, ranked #1371.

Fortitude Family Office first reported a position in MGNI in Q4 2023 and has held it in 10 quarters since. The position peaked at $24.4K in Q3 2024. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Fortitude Family Office held 130 shares of Magnite worth $1.54K as of Q1 2026.
  • Fortitude Family Office sold 394 Magnite shares in Q1 2026, an estimated $5.28K.
  • Magnite made up ﹤0.01% of Fortitude Family Office's portfolio in Q1 2026, its #1371 holding.
  • Fortitude Family Office first reported a position in Magnite in Q4 2023 and has held it in 10 quarters since.
  • Fortitude Family Office's Magnite position peaked at $24.4K in Q3 2024.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Fortitude Family Office's 13F filing for Q1 2026, filed 16 Apr 2026.