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Castleark Management’s Riot Platforms RIOT Stock Holding History

Castleark Management’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 		– Sell
-193,630
Closed -$3.68M – 330
2025
Q3 		$3.68M Buy
+193,630
New +$2.68M 0.1% 166

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

Castleark Management's RIOT Position: Q4 2025 in Review

Castleark Management sold out of Riot Platforms (RIOT) in Q4 2025, closing a stake of 193,630 shares — an estimated $3.68M sold.

Castleark Management first reported a position in RIOT in Q3 2025 and held it in 1 quarter. The position peaked at $3.68M in Q3 2025. 390 funds tracked by Wall St. Rank hold RIOT as of Q4 2025.

  • Castleark Management reported no remaining Riot Platforms position as of Q4 2025 after selling out during the quarter.
  • Castleark Management sold 193,630 Riot Platforms shares in Q4 2025, an estimated $3.68M.
  • Castleark Management first reported a position in Riot Platforms in Q3 2025 and held it in 1 quarter.
  • Castleark Management's Riot Platforms position peaked at $3.68M in Q3 2025.
  • 390 funds tracked by Wall St. Rank held Riot Platforms as of Q4 2025.

Based on Castleark Management's 13F filing for Q4 2025, filed 13 Feb 2026.