Cubist Systematic Strategies’s Riot Platforms RIOT Stock Holding History

Cubist Systematic Strategies’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 Q3	$4.87M	Sell	255,700 -27,900	-10%	-$386K	0.02%	984
2025 Q2	$3.2M	Buy	283,600 +191,800	+209%	+$1.63M	0.01%	1293
2025 Q1	$654K	Buy	91,800 +62,300	+211%	+$646K	﹤0.01%	2039
2024 Q4	$301K	Buy	+29,500	New	+$321K	﹤0.01%	2408
2024 Q3	–	Sell	-108,100	Closed	-$988K	–	3420
2024 Q2	$988K	Buy	+108,100	New	+$1.09M	0.01%	1745
2024 Q1	–	Sell	-172,200	Closed	-$2.66M	–	4184
2023 Q4	$2.66M	Hold	172,200	–	–	0.02%	1298
2023 Q3	$1.61M	Buy	+172,200	New	+$2.37M	0.01%	1525

Other funds holding RIOT

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

MMA

Mizuho Markets Americas New York $6.37B AUM 47.14% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return

Cubist Systematic Strategies's RIOT Position: Q3 2025 in Review

Cubist Systematic Strategies increased its Riot Platforms (RIOT) stake by 1,676% in Q3 2025, buying an estimated $1.6M and bringing the position to 122,532 shares worth $2.33M. The position accounts for 0.01% of the portfolio, ranked #1471.

Cubist Systematic Strategies first reported a position in RIOT in Q1 2021 and has held it in 11 quarters since. The position peaked at $3.73M in Q1 2024. 396 funds tracked by Wall St. Rank hold RIOT as of Q3 2025.

Cubist Systematic Strategies held 122,532 shares of Riot Platforms worth $2.33M as of Q3 2025.
Cubist Systematic Strategies bought 115,632 Riot Platforms shares in Q3 2025, an estimated $1.6M.
Riot Platforms made up 0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #1471 holding.
Cubist Systematic Strategies first reported a position in Riot Platforms in Q1 2021 and has held it in 11 quarters since.
Cubist Systematic Strategies's Riot Platforms position peaked at $3.73M in Q1 2024.
396 funds tracked by Wall St. Rank held Riot Platforms as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.