T. Rowe Price Associates
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T. Rowe Price Associates’s Magnite MGNI Stock Holding History

T. Rowe Price Associates’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 		$3.79M Buy
199,445
+34,005
+21% +$487K ﹤0.01% 1712
2026
Q1 		$1.97M Sell
165,440
-546,055
-77% -$7.32M ﹤0.01% 1828
2025
Q4 		$11.5M Sell
711,495
-1,836,010
-72% -$30.5M ﹤0.01% 1198
2025
Q3 		$55.5M Buy
2,547,505
+2,429,904
+2,066% +$57.4M 0.01% 775
2025
Q2 		$2.84M Buy
117,601
+18,560
+19% +$273K ﹤0.01% 1493
2025
Q1 		$1.13M Buy
99,041
+4,148
+4% +$66.1K ﹤0.01% 1894
2024
Q4 		$1.51M Buy
94,893
+9,075
+11% +$133K ﹤0.01% 1779
2024
Q3 		$1.19M Buy
85,818
+1,192
+1% +$16.2K ﹤0.01% 1901
2024
Q2 		$1.13M Buy
84,626
+1,166
+1% +$12.7K ﹤0.01% 1852
2024
Q1 		$898K Buy
83,460
+4,879
+6% +$48.8K ﹤0.01% 1957
2023
Q4 		$734K Buy
78,581
+8,040
+11% +$63.5K ﹤0.01% 2008
2023
Q3 		$532K Buy
70,541
+3,413
+5% +$36.8K ﹤0.01% 2077
2023
Q2 		$917K Buy
67,128
+5,426
+9% +$60.4K ﹤0.01% 1855
2023
Q1 		$572K Buy
61,702
+1,921
+3% +$20.5K ﹤0.01% 2051
2022
Q4 		$633K Sell
59,781
-1,124
-2% -$10.3K ﹤0.01% 2018
2022
Q3 		$401K Sell
60,905
-15,717
-21% -$126K ﹤0.01% 2239
2022
Q2 		$680K Buy
76,622
+20,294
+36% +$217K ﹤0.01% 2078
2022
Q1 		$744K Buy
56,328
+2,939
+6% +$39.6K ﹤0.01% 2159
2021
Q4 		$934K Sell
53,389
-26,701
-33% -$602K ﹤0.01% 2076
2021
Q3 		$2.24M Buy
80,090
+29,372
+58% +$884K ﹤0.01% 1682
2021
Q2 		$1.72M Buy
50,718
+1,860
+4% +$63K ﹤0.01% 1804
2021
Q1 		$2.03M Buy
48,858
+5,557
+13% +$241K ﹤0.01% 1709
2020
Q4 		$1.33M Buy
+43,301
New +$655K ﹤0.01% 1808
2016
Q1 		– Sell
-135,389
Closed -$2.23M – 2522
2015
Q4 		$2.23M Buy
135,389
+36,885
+37% +$571K ﹤0.01% 1516
2015
Q3 		$1.43M Sell
98,504
-40,181
-29% -$613K ﹤0.01% 1611
2015
Q2 		$2.08M Buy
+138,685
New +$2.39M ﹤0.01% 1583

Other funds holding MGNI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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 $226B AUM 44.75% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

T. Rowe Price Associates's MGNI Position: Q2 2026 in Review

T. Rowe Price Associates increased its Magnite (MGNI) stake by 21% in Q2 2026, buying an estimated $487K and bringing the position to 199,445 shares worth $3.79M. The position accounts for ﹤0.01% of the portfolio, ranked #1712.

T. Rowe Price Associates first reported a position in MGNI in Q2 2015 and has held it in 26 quarters since. The position peaked at $55.5M in Q3 2025. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

  • T. Rowe Price Associates held 199,445 shares of Magnite worth $3.79M as of Q2 2026.
  • T. Rowe Price Associates bought 34,005 Magnite shares in Q2 2026, an estimated $487K.
  • Magnite made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q2 2026, its #1712 holding.
  • T. Rowe Price Associates first reported a position in Magnite in Q2 2015 and has held it in 26 quarters since.
  • T. Rowe Price Associates's Magnite position peaked at $55.5M in Q3 2025.
  • 311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on T. Rowe Price Associates's 13F filing for Q2 2026, filed 14 Aug 2026.