Russell Investments Group
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Russell Investments Group’s Magnite MGNI Stock Holding History

Russell Investments Group’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 		$1.41M Buy
74,438
+25,340
+52% +$363K ﹤0.01% 2278
2026
Q1 		$583K Sell
49,098
-401,923
-89% -$5.39M ﹤0.01% 2443
2025
Q4 		$7.32M Buy
451,021
+141,417
+46% +$2.35M 0.01% 1087
2025
Q3 		$6.74M Sell
309,604
-12,596
-4% -$297K 0.01% 1127
2025
Q2 		$7.77M Sell
322,200
-125,885
-28% -$1.85M 0.01% 963
2025
Q1 		$5.11M Buy
448,085
+170,480
+61% +$2.72M 0.01% 1155
2024
Q4 		$4.42M Sell
277,605
-296,946
-52% -$4.36M 0.01% 1233
2024
Q3 		$7.96M Buy
574,551
+80,515
+16% +$1.1M 0.01% 940
2024
Q2 		$6.57M Buy
494,036
+353,836
+252% +$3.87M 0.01% 1016
2024
Q1 		$1.51M Buy
140,200
+32,854
+31% +$328K ﹤0.01% 1795
2023
Q4 		$1M Buy
107,346
+10,330
+11% +$81.6K ﹤0.01% 1967
2023
Q3 		$732K Sell
97,016
-4,735
-5% -$51K ﹤0.01% 2077
2023
Q2 		$1.39M Sell
101,751
-95,018
-48% -$1.06M ﹤0.01% 1759
2023
Q1 		$1.82M Buy
196,769
+133,269
+210% +$1.42M ﹤0.01% 1645
2022
Q4 		$672K Hold
63,500
– – ﹤0.01% 2163
2022
Q3 		$417K Hold
63,500
– – ﹤0.01% 2313
2022
Q2 		$563K Hold
63,500
– – ﹤0.01% 2222
2022
Q1 		$838K Hold
63,500
– – ﹤0.01% 2037
2021
Q4 		$1.11M Sell
63,500
-70,149
-52% -$1.58M ﹤0.01% 2097
2021
Q3 		$3.74M Sell
133,649
-66,893
-33% -$2.01M 0.01% 1423
2021
Q2 		$6.78M Sell
200,542
-321,890
-62% -$10.9M 0.01% 1155
2021
Q1 		$21.7M Sell
522,432
-931,443
-64% -$40.3M 0.04% 558
2020
Q4 		$44.7M Buy
1,453,875
+1,442,176
+12,327% +$21.8M 0.09% 261
2020
Q3 		$81K Hold
11,699
– – ﹤0.01% 3016
2020
Q2 		$78K Sell
11,699
-270,474
-96% -$1.69M ﹤0.01% 2931
2020
Q1 		$1.57M Buy
282,173
+112,888
+67% +$1.04M ﹤0.01% 1595
2019
Q4 		$1.38M Sell
169,285
-238,115
-58% -$1.96M ﹤0.01% 1936
2019
Q3 		$3.54M Sell
407,400
-141,546
-26% -$1.24M 0.01% 1373
2019
Q2 		$3.49M Buy
548,946
+497,146
+960% +$3.05M 0.01% 1406
2019
Q1 		$315K Sell
51,800
-56,843
-52% -$293K ﹤0.01% 2487
2018
Q4 		$406K Sell
108,643
-11,735
-10% -$44.8K ﹤0.01% 2394
2018
Q3 		$433K Buy
120,378
+82,000
+214% +$290K ﹤0.01% 2452
2018
Q2 		$110K Buy
38,378
+3,964
+12% +$9.44K ﹤0.01% 2725
2018
Q1 		$62K Sell
34,414
-64,031
-65% -$121K ﹤0.01% 2806
2017
Q4 		$188K Sell
98,445
-555
-0.6% -$1.39K ﹤0.01% 2678
2017
Q3 		$385K Buy
99,000
+14,900
+18% +$63.4K ﹤0.01% 2528
2017
Q2 		$432K Buy
84,100
+59,746
+245% +$328K ﹤0.01% 2468
2017
Q1 		$144K Sell
24,354
-6,352
-21% -$49.5K ﹤0.01% 2770
2016
Q4 		$230K Buy
+30,706
New +$239K ﹤0.01% 2686

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BGC
Blue Grotto Capital Atlanta, Georgia $1.2B AUM 48.81% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
MP
Maestria Partners Atlanta, Georgia $288M AUM 13.77% 1-Year Est. Return
KAM
Kopion Asset Management Mckinney, Texas $158M AUM 11.93% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Russell Investments Group's MGNI Position: Q2 2026 in Review

Russell Investments Group increased its Magnite (MGNI) stake by 52% in Q2 2026, buying an estimated $363K and bringing the position to 74,438 shares worth $1.41M. The position accounts for ﹤0.01% of the portfolio, ranked #2278.

Russell Investments Group first reported a position in MGNI in Q4 2016 and has held it in 39 quarters since. The position peaked at $44.7M in Q4 2020. 122 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Russell Investments Group held 74,438 shares of Magnite worth $1.41M as of Q2 2026.
  • Russell Investments Group bought 25,340 Magnite shares in Q2 2026, an estimated $363K.
  • Magnite made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2278 holding.
  • Russell Investments Group first reported a position in Magnite in Q4 2016 and has held it in 39 quarters since.
  • Russell Investments Group's Magnite position peaked at $44.7M in Q4 2020.
  • 122 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.