MAGNITE, INC. - Common Stock (MGNI)

Historical Holders from Q1 2019 to Q3 2025

Symbol
MGNI on Nasdaq
CUSIP
55955D100
Type / Class
Equity / Common Stock
Shares outstanding
143M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
138M
Holdings value
$3B
% of all portfolios
0.014%
Grand Portfolio weight change
0%
Number of holders
308
Number of buys
146
Number of sells
-163
Average Value change %
0%
Average buys %
+0.002%
Average sells %
-0.006%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MAGNITE, INC. - Common Stock (MGNI)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
FMR LLC 12.2% +77.1% $281M $122M 17.2M +77.2% FMR LLC Jun 30, 2025
VANGUARD GROUP INC 10.29% $307M 14.7M The Vanguard Group Sep 30, 2025
Capital Research Global Investors 4.9% -45.6% $152M -$129M 6.98M -46% Capital Research Global Investors Sep 30, 2025

Institutional Holders of MAGNITE, INC. - Common Stock (MGNI)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 138M $3B -$207M $21.78 308
2025 Q2 147M $3.54B +$406M $24.12 285
2025 Q1 133M $1.51B +$97.5M $11.41 290
2024 Q4 123M $1.97B +$49.2M $15.92 281
2024 Q3 119M $1.65B +$210M $13.85 278
2024 Q2 104M $1.39B +$39.7M $13.29 268
2024 Q1 101M $1.09B -$13.7M $10.75 234
2023 Q4 381K $3.55M -$681K $9.34 2
2023 Q3 102M $773M -$17.5M $7.54 204
2023 Q2 98.9M $1.35B +$60.3M $13.65 212
2023 Q1 95.6M $885M +$28.9M $9.26 213
2022 Q4 93.3M $988M -$94M $10.59 223
2022 Q3 103M $677M +$92.4M $6.57 194
2022 Q2 87.2M $774M -$16.2M $8.88 210
2022 Q1 88.2M $1.16B -$33.9M $13.21 208
2021 Q4 85.9M $1.5B -$152M $17.50 232
2021 Q3 89.6M $2.51B +$115M $28.00 269
2021 Q2 85.4M $2.89B -$86.7M $33.84 263
2021 Q1 85.9M $3.58B +$424M $41.61 272
2020 Q4 76.4M $2.35B +$75.5M $30.71 233
2020 Q3 83M $576M +$476M $6.95 167
2020 Q2 14.4M $96.2M +$96.2M $6.67 10
2020 Q1 203 $7K $0 $34.48 1
2019 Q4 203 $7K $0 $34.48 1
2019 Q3 203 $7K $0 $34.48 1
2019 Q2 203 $7K $0 $34.48 1
2019 Q1 203 $7K $0 $34.48 1