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
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% -$99.6K ﹤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 $6.73T 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

Qube Research & Technologies (QRT)'s MGNI Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Magnite (MGNI) stake by 196% in Q2 2026, buying an estimated $18.6M and bringing the position to 1,955,989 shares worth $37.1M. The position accounts for 0.03% of the portfolio, ranked #610.

Qube Research & Technologies (QRT) first reported a position in MGNI in Q1 2020 and has held it in 15 quarters since. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Qube Research & Technologies (QRT) held 1,955,989 shares of Magnite worth $37.1M as of Q2 2026.
  • Qube Research & Technologies (QRT) bought 1,294,932 Magnite shares in Q2 2026, an estimated $18.6M.
  • Magnite made up 0.03% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #610 holding.
  • Qube Research & Technologies (QRT) first reported a position in Magnite in Q1 2020 and has held it in 15 quarters since.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.