Dark Forest Capital Management’s Magnite MGNI Stock Holding History

Dark Forest 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
2026 Q2	$2.11M	Buy	110,985 +99,298	+850%	+$1.42M	0.14%	260
2026 Q1	$139K	Buy	+11,687	New	+$157K	0.01%	755
2025 Q4	–	Sell	-69,509	Closed	-$1.51M	–	1199
2025 Q3	$1.51M	Buy	69,509 +20,205	+41%	+$477K	0.06%	579
2025 Q2	$1.19M	Sell	49,304 -124,560	-72%	-$1.84M	0.05%	682
2025 Q1	$1.98M	Buy	+173,864	New	+$2.77M	0.09%	386
2023 Q1	–	Sell	-3,310	Closed	-$35.1K	–	1366
2022 Q4	$35.1K	Sell	3,310 -38,593	-92%	-$352K	0.01%	458
2022 Q3	$275K	Buy	+41,903	New	+$337K	0.05%	344
2022 Q2	–	Sell	-93,001	Closed	-$1.23M	–	1184
2022 Q1	$1.23M	Buy	93,001 +91,653	+6,799%	+$1.24M	0.29%	88
2021 Q4	$24K	Buy	+1,348	New	+$30.4K	0.01%	628

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

Dark Forest Capital Management's MGNI Position: Q2 2026 in Review

Dark Forest Capital Management increased its Magnite (MGNI) stake by 850% in Q2 2026, buying an estimated $1.42M and bringing the position to 110,985 shares worth $2.11M. The position accounts for 0.14% of the portfolio, ranked #260.

Dark Forest Capital Management first reported a position in MGNI in Q4 2021 and has held it in 9 quarters since. 311 funds tracked by Wall St. Rank hold MGNI as of Q2 2026.

Dark Forest Capital Management held 110,985 shares of Magnite worth $2.11M as of Q2 2026.
Dark Forest Capital Management bought 99,298 Magnite shares in Q2 2026, an estimated $1.42M.
Magnite made up 0.14% of Dark Forest Capital Management's portfolio in Q2 2026, its #260 holding.
Dark Forest Capital Management first reported a position in Magnite in Q4 2021 and has held it in 9 quarters since.
311 funds tracked by Wall St. Rank held Magnite as of Q2 2026.

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