Magnetar Financial’s Riot Platforms RIOT Stock Holding History

Magnetar Financial’s Portfolio RIOT Stock Details RIOT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q2	–	Sell	-90,000	Closed	-$444K	–	1801
2022 Q1	$444K	Buy	+90,000	New	+$1.62M	﹤0.01%	934

Other funds holding RIOT

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return

Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Magnetar Financial's RIOT Position: Q1 2026 in Review

Magnetar Financial sold out of Riot Platforms (RIOT) in Q1 2026, closing a stake of 24,903 shares — an estimated $316K sold.

Magnetar Financial first reported a position in RIOT in Q4 2021 and held it in 6 quarters. The position peaked at $1.79M in Q2 2025. 402 funds tracked by Wall St. Rank hold RIOT as of Q1 2026.

Magnetar Financial reported no remaining Riot Platforms position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 24,903 Riot Platforms shares in Q1 2026, an estimated $316K.
Magnetar Financial first reported a position in Riot Platforms in Q4 2021 and held it in 6 quarters.
Magnetar Financial's Riot Platforms position peaked at $1.79M in Q2 2025.
402 funds tracked by Wall St. Rank held Riot Platforms as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.