TwinBeech Capital’s Magnite MGNI Stock Holding History

TwinBeech Capital’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	-132,379	Closed	-$1.57M	–	557
2026 Q1	$1.57M	Buy	+132,379	New	+$1.77M	0.16%	181
2024 Q3	–	Sell	-67,223	Closed	-$893K	–	802
2024 Q2	$893K	Buy	+67,223	New	+$735K	0.02%	411
2023 Q4	–	Sell	-121,329	Closed	-$915K	–	797
2023 Q3	$915K	Buy	+121,329	New	+$1.31M	0.02%	502
2023 Q2	–	Sell	-14,462	Closed	-$134K	–	764
2023 Q1	$134K	Sell	14,462 -54,524	-79%	-$581K	﹤0.01%	568
2022 Q4	$731K	Buy	68,986 +47,808	+226%	+$436K	0.01%	550
2022 Q3	$139K	Buy	+21,178	New	+$170K	﹤0.01%	586
2022 Q2	–	Sell	-179,250	Closed	-$2.37M	–	637
2022 Q1	$2.37M	Buy	179,250 +146,898	+454%	+$1.98M	0.1%	221
2021 Q4	$566K	Sell	32,352 -44,633	-58%	-$1.01M	0.03%	409
2021 Q3	$2.16M	Buy	+76,985	New	+$2.32M	0.15%	206

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

TwinBeech Capital's MGNI Position: Q2 2026 in Review

TwinBeech Capital sold out of Magnite (MGNI) in Q2 2026, closing a stake of 132,379 shares — an estimated $1.57M sold.

TwinBeech Capital first reported a position in MGNI in Q3 2021 and held it in 9 quarters. The position peaked at $2.37M in Q1 2022. 310 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

TwinBeech Capital reported no remaining Magnite position as of Q2 2026 after selling out during the quarter.
TwinBeech Capital sold 132,379 Magnite shares in Q2 2026, an estimated $1.57M.
TwinBeech Capital first reported a position in Magnite in Q3 2021 and held it in 9 quarters.
TwinBeech Capital's Magnite position peaked at $2.37M in Q1 2022.
310 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

Based on TwinBeech Capital's 13F filing for Q2 2026, filed 14 Aug 2026.