Los Angeles Capital Management
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Los Angeles Capital Management’s Magnite MGNI Stock Holding History

Los Angeles Capital 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
2026
Q1 		$420K Sell
35,325
-4,759
-12% -$63.8K ﹤0.01% 930
2025
Q4 		$694K Buy
+40,084
New +$665K ﹤0.01% 771
2025
Q1 		– Sell
-40,902
Closed -$651K – 1157
2024
Q4 		$651K Sell
40,902
-5,660
-12% -$83K ﹤0.01% 743
2024
Q3 		$645K Hold
46,562
– – ﹤0.01% 793
2024
Q2 		$619K Buy
+46,562
New +$509K ﹤0.01% 798
2023
Q1 		– Sell
-11,994
Closed -$127K – 1246
2022
Q4 		$127K Sell
11,994
-9,398
-44% -$85.8K ﹤0.01% 1162
2022
Q3 		$141K Buy
21,392
+469
+2% +$3.77K ﹤0.01% 1192
2022
Q2 		$186K Sell
20,923
-11,514
-35% -$123K ﹤0.01% 1274
2022
Q1 		$428K Hold
32,437
– – ﹤0.01% 1100
2021
Q4 		$568K Sell
32,437
-608
-2% -$13.7K ﹤0.01% 949
2021
Q3 		$925K Sell
33,045
-2,075
-6% -$62.4K ﹤0.01% 789
2021
Q2 		$1.19M Buy
35,120
+15,330
+77% +$519K 0.01% 783
2021
Q1 		$823K Sell
19,790
-37,830
-66% -$1.64M ﹤0.01% 988
2020
Q4 		$1.77M Hold
57,620
– – 0.01% 701
2020
Q3 		$400K Hold
57,620
– – ﹤0.01% 1172
2020
Q2 		$384K Hold
57,620
– – ﹤0.01% 1212
2020
Q1 		$320K Buy
57,620
+41,090
+249% +$378K ﹤0.01% 1030
2019
Q4 		$135K Buy
16,530
+1,040
+7% +$8.55K ﹤0.01% 1227
2019
Q3 		$135K Buy
+15,490
New +$136K ﹤0.01% 1229
2018
Q1 		– Sell
-29,220
Closed -$55K – 1386
2017
Q4 		$55K Sell
29,220
-41,265
-59% -$103K ﹤0.01% 1305
2017
Q3 		$274K Buy
70,485
+460
+0.7% +$1.96K ﹤0.01% 1177
2017
Q2 		$360K Buy
70,025
+42,550
+155% +$234K ﹤0.01% 1022
2017
Q1 		$162K Sell
27,475
-17,295
-39% -$135K ﹤0.01% 1111
2016
Q4 		$332K Hold
44,770
– – ﹤0.01% 1000
2016
Q3 		$371K Buy
44,770
+14,005
+46% +$149K ﹤0.01% 998
2016
Q2 		$420K Buy
+30,765
New +$495K ﹤0.01% 962

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 $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 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 $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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

Los Angeles Capital Management's MGNI Position: Q1 2026 in Review

Los Angeles Capital Management reduced its Magnite (MGNI) stake by 12% in Q1 2026, selling an estimated $63.8K and leaving 35,325 shares worth $420K. The position accounts for ﹤0.01% of the portfolio, ranked #930.

Los Angeles Capital Management first reported a position in MGNI in Q2 2016 and has held it in 26 quarters since. The position peaked at $1.77M in Q4 2020. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Los Angeles Capital Management held 35,325 shares of Magnite worth $420K as of Q1 2026.
  • Los Angeles Capital Management sold 4,759 Magnite shares in Q1 2026, an estimated $63.8K.
  • Magnite made up ﹤0.01% of Los Angeles Capital Management's portfolio in Q1 2026, its #930 holding.
  • Los Angeles Capital Management first reported a position in Magnite in Q2 2016 and has held it in 26 quarters since.
  • Los Angeles Capital Management's Magnite position peaked at $1.77M in Q4 2020.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Los Angeles Capital Management's 13F filing for Q1 2026, filed 8 May 2026.