Quantinno Capital Management
MGNI icon

Quantinno Capital Management’s Magnite MGNI Stock Holding History

Quantinno Capital Management’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
Q3 		$4.39M Buy
173,672
+11,890
+7% +$267K ﹤0.01% 1545
2026
Q2 		$3.07M Buy
161,782
+33,649
+26% +$482K ﹤0.01% 1620
2026
Q1 		$1.52M Buy
128,133
+75,686
+144% +$1.01M ﹤0.01% 1819
2025
Q4 		$851K Buy
52,447
+28,871
+122% +$479K ﹤0.01% 1922
2025
Q3 		$513K Buy
23,576
+4,065
+21% +$96K ﹤0.01% 1997
2025
Q2 		$471K Buy
+19,511
New +$287K ﹤0.01% 1685
2021
Q1 		– Sell
-13,421
Closed -$412K – 296
2020
Q4 		$412K Buy
13,421
+2,452
+22% +$37.1K 0.32% 137
2020
Q3 		$76K Buy
+10,969
New +$73.3K 0.05% 372

Other funds holding MGNI

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Edenbrook Capital
Edenbrook Capital Mt. Kisco, New York $808M AUM 67.56% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Quantinno Capital Management's MGNI Position: Q3 2026 in Review

Quantinno Capital Management increased its Magnite (MGNI) stake by 7.3% in Q3 2026, buying an estimated $267K and bringing the position to 173,672 shares worth $4.39M. The position accounts for ﹤0.01% of the portfolio, ranked #1545.

Quantinno Capital Management first reported a position in MGNI in Q3 2020 and has held it in 8 quarters since. 263 funds tracked by Wall St. Rank hold MGNI as of Q3 2026.

  • Quantinno Capital Management held 173,672 shares of Magnite worth $4.39M as of Q3 2026.
  • Quantinno Capital Management bought 11,890 Magnite shares in Q3 2026, an estimated $267K.
  • Magnite made up ﹤0.01% of Quantinno Capital Management's portfolio in Q3 2026, its #1545 holding.
  • Quantinno Capital Management first reported a position in Magnite in Q3 2020 and has held it in 8 quarters since.
  • 263 funds tracked by Wall St. Rank held Magnite as of Q3 2026.

Based on Quantinno Capital Management's 13F filing for Q3 2026, filed 13 Nov 2026.