Quadrant Capital Group’s Magnite MGNI Stock Holding History

Quadrant Capital Group’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 Q1	–	Sell	-33	Closed	-$536	–	2771
2025 Q4	$536	Buy	+33	New	+$548	﹤0.01%	2642
2025 Q2	–	Sell	-86	Closed	-$982	–	2091
2025 Q1	$982	Sell	86 -35	-29%	-$558	﹤0.01%	2595
2024 Q4	$1.93K	Buy	+121	New	+$1.77K	﹤0.01%	2495
2023 Q2	–	Sell	-17	Closed	-$158	–	2739
2023 Q1	$158	Buy	+17	New	+$181	﹤0.01%	2683
2022 Q2	–	Sell	-26	Closed	–	–	2657
2022 Q1	$0	Buy	+26	New	+$351	﹤0.01%	2616

Other funds holding MGNI

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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

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

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

Quadrant Capital Group's MGNI Position: Q1 2026 in Review

Quadrant Capital Group sold out of Magnite (MGNI) in Q1 2026, closing a stake of 33 shares — an estimated $536 sold.

Quadrant Capital Group first reported a position in MGNI in Q1 2022 and held it in 5 quarters. The position peaked at $1.93K in Q4 2024. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

Quadrant Capital Group reported no remaining Magnite position as of Q1 2026 after selling out during the quarter.
Quadrant Capital Group sold 33 Magnite shares in Q1 2026, an estimated $536.
Quadrant Capital Group first reported a position in Magnite in Q1 2022 and held it in 5 quarters.
Quadrant Capital Group's Magnite position peaked at $1.93K in Q4 2024.
297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Quadrant Capital Group's 13F filing for Q1 2026, filed 11 May 2026.