Brown Advisory’s Magnite MGNI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$689K Buy
36,314
+4,790
+15% +$68.6K ﹤0.01% 1034
2026
Q1
$375K Buy
31,524
+10,261
+48% +$138K ﹤0.01% 1147
2025
Q4
$345K Sell
21,263
-43,418
-67% -$721K ﹤0.01% 1174
2025
Q3
$1.41M Buy
+64,681
New +$1.53M ﹤0.01% 736
2025
Q2
Sell
-25,409
Closed -$290K 1391
2025
Q1
$290K Buy
+25,409
New +$405K ﹤0.01% 1142
2023
Q3
Sell
-28,816
Closed -$393K 1215
2023
Q2
$393K Buy
+28,816
New +$321K ﹤0.01% 960

Other funds holding MGNI

Brown Advisory's MGNI Position: Q2 2026 in Review

Brown Advisory increased its Magnite (MGNI) stake by 15% in Q2 2026, buying an estimated $68.6K and bringing the position to 36,314 shares worth $689K. The position accounts for ﹤0.01% of the portfolio, ranked #1034.

Brown Advisory first reported a position in MGNI in Q2 2023 and has held it in 6 quarters since. The position peaked at $1.41M in Q3 2025. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • Brown Advisory held 36,314 shares of Magnite worth $689K as of Q2 2026.
  • Brown Advisory bought 4,790 Magnite shares in Q2 2026, an estimated $68.6K.
  • Magnite made up ﹤0.01% of Brown Advisory's portfolio in Q2 2026, its #1034 holding.
  • Brown Advisory first reported a position in Magnite in Q2 2023 and has held it in 6 quarters since.
  • Brown Advisory's Magnite position peaked at $1.41M in Q3 2025.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.