John Overdeck’s Riot Platforms RIOT Stock Holding History

John Overdeck’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	$99.5M	Buy	3,632,510 +3,236,381	+817%	+$73M	0.07%	308
2026 Q1	$4.9M	Hold	396,129	–	–	﹤0.01%	1993
2025 Q4	$5.02M	Sell	396,129 -2,479,282	-86%	-$42.4M	0.01%	1718
2025 Q3	$54.7M	Sell	2,875,411 -211,842	-7%	-$2.93M	0.08%	301
2025 Q2	$34.9M	Buy	+3,087,253	New	+$26.2M	0.06%	375
2024 Q3	–	Sell	-35,611	Closed	-$325K	–	3305
2024 Q2	$325K	Sell	35,611 -59,005	-62%	-$595K	﹤0.01%	2556
2024 Q1	$1.16M	Buy	+94,616	New	+$1.23M	﹤0.01%	1861
2023 Q3	–	Sell	-16,716	Closed	-$198K	–	3172
2023 Q2	$198K	Buy	+16,716	New	+$187K	﹤0.01%	2648
2014 Q1	–	Sell	-3,903	Closed	-$67K	–	2210
2013 Q4	$67K	Buy	+3,903	New	+$58.2K	﹤0.01%	2109

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

John Overdeck's RIOT Position: Q2 2026 in Review

John Overdeck increased its Riot Platforms (RIOT) stake by 817% in Q2 2026, buying an estimated $73M and bringing the position to 3,632,510 shares worth $99.5M. The position accounts for 0.07% of the portfolio, ranked #308.

John Overdeck first reported a position in RIOT in Q4 2013 and has held it in 9 quarters since. 445 funds tracked by Wall St. Rank hold RIOT as of Q2 2026.

John Overdeck held 3,632,510 shares of Riot Platforms worth $99.5M as of Q2 2026.
John Overdeck bought 3,236,381 Riot Platforms shares in Q2 2026, an estimated $73M.
Riot Platforms made up 0.07% of John Overdeck's portfolio in Q2 2026, its #308 holding.
John Overdeck first reported a position in Riot Platforms in Q4 2013 and has held it in 9 quarters since.
445 funds tracked by Wall St. Rank held Riot Platforms as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.