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Keystone Investors’s Riot Platforms RIOT Stock Holding History

Keystone Investors’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
2025
Q4 		$784K Sell
61,853
-286,147
-82% -$4.89M 0.07% 61
2025
Q3 		$6.62M Buy
+348,000
New +$4.82M 0.77% 26

Other funds holding RIOT

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
SV
Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Keystone Investors's RIOT Position: Q4 2025 in Review

Keystone Investors reduced its Riot Platforms (RIOT) stake by 82% in Q4 2025, selling an estimated $4.89M and leaving 61,853 shares worth $784K. The position accounts for 0.07% of the portfolio, ranked #61.

Keystone Investors first reported a position in RIOT in Q3 2025 and has held it in 2 quarters since. The position peaked at $6.62M in Q3 2025. 390 funds tracked by Wall St. Rank hold RIOT as of Q4 2025.

  • Keystone Investors held 61,853 shares of Riot Platforms worth $784K as of Q4 2025.
  • Keystone Investors sold 286,147 Riot Platforms shares in Q4 2025, an estimated $4.89M.
  • Riot Platforms made up 0.07% of Keystone Investors's portfolio in Q4 2025, its #61 holding.
  • Keystone Investors first reported a position in Riot Platforms in Q3 2025 and has held it in 2 quarters since.
  • Keystone Investors's Riot Platforms position peaked at $6.62M in Q3 2025.
  • 390 funds tracked by Wall St. Rank held Riot Platforms as of Q4 2025.

Based on Keystone Investors's 13F filing for Q4 2025, filed 13 Feb 2026.