Hudson Bay Capital Management’s Riot Platforms RIOT Stock Holding History

Hudson Bay Capital 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
2026 Q2	$5.48M	Buy	200,000 +158,132	+378%	+$3.56M	0.01%	538
2026 Q1	$517K	Buy	+41,868	New	+$642K	﹤0.01%	971
2021 Q4	–	Sell	-185,000	Closed	-$4.75M	–	1183
2021 Q3	$4.75M	Buy	185,000 +165,000	+825%	+$5.31M	0.06%	366
2021 Q2	$753K	Buy	+20,000	New	+$715K	0.01%	763
2018 Q3	–	Sell	-305,534	Closed	-$1.94M	–	873
2018 Q2	$1.94M	Sell	305,534 -27,800	-8%	-$203K	0.03%	514
2018 Q1	$2.15M	Sell	333,334 -100,000	-23%	-$1.39M	0.04%	439
2017 Q4	$11.8M	Buy	+433,334	New	+$6.08M	0.25%	69

Other funds holding RIOT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Starboard Value New York $4.52B AUM 19.34% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Hudson Bay Capital Management's RIOT Position: Q2 2026 in Review

Hudson Bay Capital Management increased its Riot Platforms (RIOT) stake by 378% in Q2 2026, buying an estimated $3.56M and bringing the position to 200,000 shares worth $5.48M. The position accounts for 0.01% of the portfolio, ranked #538.

Hudson Bay Capital Management first reported a position in RIOT in Q4 2017 and has held it in 7 quarters since. The position peaked at $11.8M in Q4 2017. 448 funds tracked by Wall St. Rank hold RIOT as of Q2 2026.

Hudson Bay Capital Management held 200,000 shares of Riot Platforms worth $5.48M as of Q2 2026.
Hudson Bay Capital Management bought 158,132 Riot Platforms shares in Q2 2026, an estimated $3.56M.
Riot Platforms made up 0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #538 holding.
Hudson Bay Capital Management first reported a position in Riot Platforms in Q4 2017 and has held it in 7 quarters since.
Hudson Bay Capital Management's Riot Platforms position peaked at $11.8M in Q4 2017.
448 funds tracked by Wall St. Rank held Riot Platforms as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.