O'Shaughnessy Asset Management’s Magnite MGNI Stock Holding History

O'Shaughnessy 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
2025 Q4	–	Sell	-10,677	Closed	-$233K	–	2708
2025 Q3	$233K	Buy	+10,677	New	+$252K	﹤0.01%	1895
2025 Q1	–	Sell	-11,153	Closed	-$178K	–	2358
2024 Q4	$178K	Sell	11,153 -1,694	-13%	-$24.9K	﹤0.01%	1776
2024 Q3	$159K	Buy	12,847 +2,449	+24%	+$33.4K	﹤0.01%	1726
2024 Q2	$138K	Buy	10,398 +379	+4%	+$4.14K	﹤0.01%	1608
2024 Q1	$108K	Buy	+10,019	New	+$100K	﹤0.01%	1589
2021 Q4	–	Sell	-4,935	Closed	-$138K	–	1970
2021 Q3	$138K	Buy	4,935 +852	+21%	+$25.6K	﹤0.01%	1215
2021 Q2	$138K	Sell	4,083 -13	-0.3%	-$440	﹤0.01%	1194
2021 Q1	$170K	Sell	4,096 -44	-1%	-$1.91K	﹤0.01%	990
2020 Q4	$127K	Buy	4,140 +4,138	+206,900%	+$62.6K	﹤0.01%	995
2020 Q3	$0	Hold	2	–	–	﹤0.01%	1945
2020 Q2	$0	Buy	+2	New	+$12	﹤0.01%	1822
2020 Q1	–	Sell	-2	Closed	–	–	1599
2019 Q4	$0	Buy	+2	New	+$16	﹤0.01%	1870

Other funds holding MGNI

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Capital Research Global Investors

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Boston Partners

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return