MAM
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Madison Asset Management’s Magnite MGNI Stock Holding History

Madison Asset Management’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
2023
Q4 		– Sell
-359,038
Closed -$2.71M – 327
2023
Q3 		$2.71M Buy
359,038
+20,138
+6% +$217K 0.04% 230
2023
Q2 		$4.63M Buy
338,900
+648
+0.2% +$7.21K 0.07% 177
2023
Q1 		$3.13M Buy
338,252
+59,278
+21% +$632K 0.05% 209
2022
Q4 		$2.95M Sell
278,974
-131,260
-32% -$1.2M 0.05% 214
2022
Q3 		$2.69M Buy
410,234
+45,781
+13% +$368K 0.05% 218
2022
Q2 		$3.24M Buy
364,453
+27,144
+8% +$291K 0.05% 217
2022
Q1 		$4.46M Buy
337,309
+47,457
+16% +$640K 0.06% 174
2021
Q4 		$5.07M Buy
289,852
+87,227
+43% +$1.97M 0.07% 184
2021
Q3 		$5.67M Buy
202,625
+50,987
+34% +$1.53M 0.08% 168
2021
Q2 		$5.13M Buy
151,638
+30,965
+26% +$1.05M 0.07% 185
2021
Q1 		$5.02M Sell
120,673
-110,380
-48% -$4.78M 0.07% 188
2020
Q4 		$7.1M Sell
231,053
-204,818
-47% -$3.1M 0.1% 142
2020
Q3 		$3.03M Buy
+435,871
New +$2.91M 0.05% 200

Other funds holding MGNI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
EC
Edenbrook Capital Mt. Kisco, New York $321M AUM 79.21% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
NTCM
Nine Ten Capital Management Chicago, Illinois $315M AUM 62.95% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Madison Asset Management's MGNI Position: Q4 2023 in Review

Madison Asset Management sold out of Magnite (MGNI) in Q4 2023, closing a stake of 359,038 shares — an estimated $2.71M sold.

Madison Asset Management first reported a position in MGNI in Q3 2020 and held it in 13 quarters. The position peaked at $7.1M in Q4 2020. 217 funds tracked by Wall St. Rank hold MGNI as of Q4 2023.

  • Madison Asset Management reported no remaining Magnite position as of Q4 2023 after selling out during the quarter.
  • Madison Asset Management sold 359,038 Magnite shares in Q4 2023, an estimated $2.71M.
  • Madison Asset Management first reported a position in Magnite in Q3 2020 and held it in 13 quarters.
  • Madison Asset Management's Magnite position peaked at $7.1M in Q4 2020.
  • 217 funds tracked by Wall St. Rank held Magnite as of Q4 2023.

Based on Madison Asset Management's 13F filing for Q4 2023, filed 12 Feb 2024.