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Quantbot Technologies’s Magnite MGNI Stock Holding History

Quantbot Technologies’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
2025
Q4 		– Sell
-4,047
Closed -$88.1K – 1990
2025
Q3 		$88.1K Buy
+4,047
New +$95.6K ﹤0.01% 1450
2025
Q1 		– Sell
-5,450
Closed -$86.8K – 1715
2024
Q4 		$86.8K Buy
+5,450
New +$80K ﹤0.01% 1228
2023
Q3 		– Sell
-72,209
Closed -$986K – 1797
2023
Q2 		$986K Sell
72,209
-5,035
-7% -$56K 0.06% 454
2023
Q1 		$715K Buy
+77,244
New +$823K 0.05% 497
2022
Q4 		– Sell
-56,026
Closed -$368K – 1939
2022
Q3 		$368K Buy
56,026
+21,653
+63% +$174K 0.03% 676
2022
Q2 		$305K Buy
+34,373
New +$368K 0.03% 766
2022
Q1 		– Sell
-87,689
Closed -$1.53M – 1897
2021
Q4 		$1.53M Buy
+87,689
New +$1.98M 0.12% 244
2021
Q3 		– Sell
-17,536
Closed -$593K – 1740
2021
Q2 		$593K Buy
+17,536
New +$594K 0.05% 501
2020
Q4 		– Sell
-8,348
Closed -$57K – 1525
2020
Q3 		$57K Buy
8,348
+3,631
+77% +$24.3K 0.01% 831
2020
Q2 		$31K Buy
+4,717
New +$29.5K ﹤0.01% 788
2020
Q1 		– Sell
-3,571
Closed -$29K – 1184
2019
Q4 		$29K Buy
3,571
+2,441
+216% +$20.1K ﹤0.01% 1016
2019
Q3 		$9K Buy
+1,130
New +$9.9K ﹤0.01% 1173
2017
Q2 		– Sell
-642
Closed -$3K – 1265
2017
Q1 		$3K Buy
642
+245
+62% +$1.91K ﹤0.01% 1085
2016
Q4 		$2K Buy
+397
New +$3.09K ﹤0.01% 1012
2016
Q3 		– Sell
-11,654
Closed -$159K – 1219
2016
Q2 		$159K Buy
11,654
+10,396
+826% +$167K 0.02% 618
2016
Q1 		$22K Buy
+1,258
New +$19.3K ﹤0.01% 1002
2015
Q3 		– Sell
-6,627
Closed -$99K – 1331
2015
Q2 		$99K Buy
+6,627
New +$114K 0.02% 645

Other funds holding MGNI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Quantbot Technologies's MGNI Position: Q4 2025 in Review

Quantbot Technologies sold out of Magnite (MGNI) in Q4 2025, closing a stake of 4,047 shares — an estimated $88.1K sold.

Quantbot Technologies first reported a position in MGNI in Q2 2015 and held it in 17 quarters. The position peaked at $1.53M in Q4 2021. 304 funds tracked by Wall St. Rank hold MGNI as of Q4 2025.

  • Quantbot Technologies reported no remaining Magnite position as of Q4 2025 after selling out during the quarter.
  • Quantbot Technologies sold 4,047 Magnite shares in Q4 2025, an estimated $88.1K.
  • Quantbot Technologies first reported a position in Magnite in Q2 2015 and held it in 17 quarters.
  • Quantbot Technologies's Magnite position peaked at $1.53M in Q4 2021.
  • 304 funds tracked by Wall St. Rank held Magnite as of Q4 2025.

Based on Quantbot Technologies's 13F filing for Q4 2025, filed 10 Feb 2026.