Capital World Investors’s Magnite MGNI Stock Holding History

Capital World Investors’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	–	Sell	-456,672	Closed	-$5.43M	–	672
2026 Q1	$5.43M	Buy	+456,672	New	+$6.12M	﹤0.01%	571

Other funds holding MGNI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Capital World Investors's MGNI Position: Q2 2026 in Review

Capital World Investors sold out of Magnite (MGNI) in Q2 2026, closing a stake of 456,672 shares — an estimated $5.43M sold.

Capital World Investors first reported a position in MGNI in Q1 2026 and held it in 1 quarter. The position peaked at $5.43M in Q1 2026. 310 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

Capital World Investors reported no remaining Magnite position as of Q2 2026 after selling out during the quarter.
Capital World Investors sold 456,672 Magnite shares in Q2 2026, an estimated $5.43M.
Capital World Investors first reported a position in Magnite in Q1 2026 and held it in 1 quarter.
Capital World Investors's Magnite position peaked at $5.43M in Q1 2026.
310 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on Capital World Investors's 13F filing for Q2 2026, filed 12 Aug 2026.