Qube Research & Technologies (QRT)
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Qube Research & Technologies (QRT)’s Magnite MGNI Stock Holding History

Qube Research & Technologies (QRT)’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 		$49.3M Sell
1,950,206
-5,783
-0.3% -$130K 0.04% 547
2026
Q2 		$37.1M Buy
1,955,989
+1,294,932
+196% +$18.6M 0.03% 610
2026
Q1 		$7.85M Buy
661,057
+458,121
+226% +$6.14M 0.01% 1424
2025
Q4 		$3.29M Sell
202,936
-6,002
-3% -$100K ﹤0.01% 2001
2025
Q3 		$4.55M Buy
+208,938
New +$4.93M ﹤0.01% 1808
2025
Q2 		– Sell
-1,038,131
Closed -$11.8M – 3800
2025
Q1 		$11.8M Buy
1,038,131
+350,098
+51% +$5.58M 0.01% 1020
2024
Q4 		$11M Buy
688,033
+46,801
+7% +$687K 0.01% 1038
2024
Q3 		$8.88M Buy
641,232
+596,792
+1,343% +$8.13M 0.01% 1107
2024
Q2 		$591K Sell
44,440
-119,637
-73% -$1.31M ﹤0.01% 2090
2024
Q1 		$1.76M Buy
164,077
+119,814
+271% +$1.2M ﹤0.01% 1832
2023
Q4 		$413K Sell
44,263
-258,684
-85% -$2.04M ﹤0.01% 2403
2023
Q3 		$2.28M Buy
+302,947
New +$3.27M 0.01% 1317
2023
Q2 		– Sell
-231,372
Closed -$2.14M – 2764
2023
Q1 		$2.14M Buy
+231,372
New +$2.47M 0.01% 980
2022
Q2 		– Sell
-47,921
Closed -$633K – 2892
2022
Q1 		$633K Buy
47,921
+29,047
+154% +$392K 0.01% 1411
2021
Q4 		$330K Buy
+18,874
New +$425K ﹤0.01% 1766
2020
Q2 		– Sell
-23,375
Closed -$130K – 1890
2020
Q1 		$130K Buy
+23,375
New +$215K 0.01% 931

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

Qube Research & Technologies (QRT)'s MGNI Position: Q3 2026 in Review

Qube Research & Technologies (QRT) reduced its Magnite (MGNI) stake by 0.3% in Q3 2026, selling an estimated $130K and leaving 1,950,206 shares worth $49.3M. The position accounts for 0.04% of the portfolio, ranked #547.

Qube Research & Technologies (QRT) first reported a position in MGNI in Q1 2020 and has held it in 16 quarters since. 263 funds tracked by Wall St. Rank hold MGNI as of Q3 2026.

  • Qube Research & Technologies (QRT) held 1,950,206 shares of Magnite worth $49.3M as of Q3 2026.
  • Qube Research & Technologies (QRT) sold 5,783 Magnite shares in Q3 2026, an estimated $130K.
  • Magnite made up 0.04% of Qube Research & Technologies (QRT)'s portfolio in Q3 2026, its #547 holding.
  • Qube Research & Technologies (QRT) first reported a position in Magnite in Q1 2020 and has held it in 16 quarters since.
  • 263 funds tracked by Wall St. Rank held Magnite as of Q3 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q3 2026, filed 13 Nov 2026.