MFN Partners’s Riot Platforms RIOT Stock Holding History

MFN Partners’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
2026 Q3	$145M	Buy	+7,212,000	New	+$152M	3.02%	7

Other funds holding RIOT

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Mizuho Markets Americas New York $6.82B AUM 29.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return

American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return

CIBC Bancorp USA Chicago, Illinois $79.9B AUM

Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return

MFN Partners's RIOT Position: Q3 2026 in Review

MFN Partners opened a new position in Riot Platforms (RIOT) in Q3 2026: 7,212,000 shares worth $145M. The stake represents 3.02% of the portfolio and ranks #7 among its holdings.

281 funds tracked by Wall St. Rank hold RIOT as of Q3 2026.

MFN Partners held 7,212,000 shares of Riot Platforms worth $145M as of Q3 2026.
Riot Platforms was a new MFN Partners position in Q3 2026.
Riot Platforms made up 3.02% of MFN Partners's portfolio in Q3 2026, its #7 holding.
281 funds tracked by Wall St. Rank held Riot Platforms as of Q3 2026.

Based on MFN Partners's 13F filing for Q3 2026, filed 13 Nov 2026.