Graham Capital Management’s Magnite MGNI Stock Holding History

Graham Capital 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 Q2	–	Sell	-11,182	Closed	-$128K	–	1481
2025 Q1	$128K	Sell	11,182 -68,577	-86%	-$1.09M	﹤0.01%	1187
2024 Q4	$1.27M	Buy	79,759 +67,172	+534%	+$986K	0.02%	426
2024 Q3	$174K	Buy	+12,587	New	+$172K	﹤0.01%	943
2024 Q1	–	Sell	-28,816	Closed	-$269K	–	1212
2023 Q4	$269K	Buy	+28,816	New	+$228K	0.01%	756
2023 Q1	–	Sell	-46,788	Closed	-$495K	–	1225
2022 Q4	$495K	Sell	46,788 -5,491	-11%	-$50.1K	0.02%	764
2022 Q3	$343K	Buy	52,279 +41,316	+377%	+$332K	0.01%	857
2022 Q2	$97K	Buy	+10,963	New	+$117K	﹤0.01%	959
2022 Q1	–	Sell	-16,213	Closed	-$283K	–	971
2021 Q4	$283K	Buy	+16,213	New	+$365K	0.01%	346

Other funds holding MGNI

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

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

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

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

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

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

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

GIM

Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

Edenbrook Capital Mt. Kisco, New York $321M AUM 79.21% 1-Year Est. Return

Graham Capital Management's MGNI Position: Q2 2025 in Review

Graham Capital Management sold out of Magnite (MGNI) in Q2 2025, closing a stake of 11,182 shares — an estimated $128K sold.

Graham Capital Management first reported a position in MGNI in Q4 2021 and held it in 8 quarters. The position peaked at $1.27M in Q4 2024. 286 funds tracked by Wall St. Rank hold MGNI as of Q2 2025.

Graham Capital Management reported no remaining Magnite position as of Q2 2025 after selling out during the quarter.
Graham Capital Management sold 11,182 Magnite shares in Q2 2025, an estimated $128K.
Graham Capital Management first reported a position in Magnite in Q4 2021 and held it in 8 quarters.
Graham Capital Management's Magnite position peaked at $1.27M in Q4 2024.
286 funds tracked by Wall St. Rank held Magnite as of Q2 2025.

Based on Graham Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.