MF
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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
2026
Q1 		– Sell
-24,903
Closed -$316K – 1356
2025
Q4 		$316K Buy
+24,903
New +$426K ﹤0.01% 670
2025
Q3 		– Sell
-158,703
Closed -$1.79M – 1139
2025
Q2 		$1.79M Buy
158,703
+28,001
+21% +$238K 0.01% 357
2025
Q1 		$931K Buy
+130,702
New +$1.36M 0.01% 356
2024
Q4 		– Sell
-89,518
Closed -$664K – 760
2024
Q3 		$664K Buy
+89,518
New +$775K 0.01% 314
2023
Q4 		– Sell
-138,059
Closed -$1.29M – 522
2023
Q3 		$1.29M Buy
+138,059
New +$1.9M 0.03% 226
2022
Q1 		– Sell
-40,523
Closed -$732K – 1501
2021
Q4 		$905K Buy
+40,523
New +$1.21M 0.01% 828

Other funds holding RIOT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
SV
Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 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
Jane Street
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.