No Street GP LP’s Magnite MGNI Stock Holding History

No Street GP LP’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	-1,628,248	Closed	-$19.3M	–	33
2026 Q1	$19.3M	Buy	1,628,248 +153,248	+10%	+$2.05M	1.29%	27
2025 Q4	$23.9M	Buy	+1,475,000	New	+$24.5M	1.61%	23

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

No Street GP LP's MGNI Position: Q2 2026 in Review

No Street GP LP sold out of Magnite (MGNI) in Q2 2026, closing a stake of 1,628,248 shares — an estimated $19.3M sold.

No Street GP LP first reported a position in MGNI in Q4 2025 and held it in 2 quarters. The position peaked at $23.9M in Q4 2025. 310 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

No Street GP LP reported no remaining Magnite position as of Q2 2026 after selling out during the quarter.
No Street GP LP sold 1,628,248 Magnite shares in Q2 2026, an estimated $19.3M.
No Street GP LP first reported a position in Magnite in Q4 2025 and held it in 2 quarters.
No Street GP LP's Magnite position peaked at $23.9M in Q4 2025.
310 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on No Street GP LP's 13F filing for Q2 2026, filed 14 Aug 2026.