First Trust Advisors
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First Trust Advisors’s Magnite MGNI Stock Holding History

First Trust Advisors’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 		– Sell
-199,872
Closed -$3.24M – 2685
2025
Q4 		$3.24M Sell
199,872
-105,015
-34% -$1.74M ﹤0.01% 1650
2025
Q3 		$6.64M Buy
304,887
+235,388
+339% +$5.56M ﹤0.01% 1252
2025
Q2 		$1.68M Sell
69,499
-254,411
-79% -$3.75M ﹤0.01% 1894
2025
Q1 		$3.7M Buy
323,910
+46,492
+17% +$741K ﹤0.01% 1473
2024
Q4 		$4.42M Buy
277,418
+57,096
+26% +$838K ﹤0.01% 1431
2024
Q3 		$3.05M Sell
220,322
-83,169
-27% -$1.13M ﹤0.01% 1578
2024
Q2 		$4.03M Buy
303,491
+204,560
+207% +$2.24M ﹤0.01% 1369
2024
Q1 		$1.06M Buy
98,931
+56,722
+134% +$567K ﹤0.01% 1969
2023
Q4 		$394K Sell
42,209
-241,209
-85% -$1.91M ﹤0.01% 2196
2023
Q3 		$2.14M Buy
283,418
+111,976
+65% +$1.21M ﹤0.01% 1655
2023
Q2 		$2.34M Buy
+171,442
New +$1.91M ﹤0.01% 1627
2022
Q4 		– Sell
-118,651
Closed -$780K – 2506
2022
Q3 		$780K Buy
118,651
+91,552
+338% +$737K ﹤0.01% 2078
2022
Q2 		$241K Buy
27,099
+2,668
+11% +$28.6K ﹤0.01% 2351
2022
Q1 		$323K Sell
24,431
-34,100
-58% -$460K ﹤0.01% 2356
2021
Q4 		$1.02M Buy
58,531
+34,777
+146% +$784K ﹤0.01% 2041
2021
Q3 		$665K Sell
23,754
-93,980
-80% -$2.83M ﹤0.01% 2187
2021
Q2 		$3.98M Buy
+117,734
New +$3.99M ﹤0.01% 1495

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

First Trust Advisors's MGNI Position: Q1 2026 in Review

First Trust Advisors sold out of Magnite (MGNI) in Q1 2026, closing a stake of 199,872 shares — an estimated $3.24M sold.

First Trust Advisors first reported a position in MGNI in Q2 2021 and held it in 17 quarters. The position peaked at $6.64M in Q3 2025. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • First Trust Advisors reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
  • First Trust Advisors sold 199,872 Magnite shares in Q1 2026, an estimated $3.24M.
  • First Trust Advisors first reported a position in Magnite in Q2 2021 and held it in 17 quarters.
  • First Trust Advisors's Magnite position peaked at $6.64M in Q3 2025.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on First Trust Advisors's 13F filing for Q1 2026, filed 13 May 2026.