RIOT Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Howell Stephen Mitchell Jr. COO 2026-08-12 21,198 $0
Werner Ryan D. SVP, CAO 2026-08-05 35,430 $778,751
Werner Ryan D. SVP, CAO 2026-08-05 9,802 $223,682
Werner Ryan D. SVP, CAO 2026-08-05 2,501 $58,849
Werner Ryan D. SVP, CAO 2026-07-31 148,500 $2,995,245
Les Jason CEO 2026-07-31 2,896,921 $58,430,897
Howell Stephen Mitchell Jr. COO 2026-07-31 153,162 $3,089,278

How Institutional Funds Moved on RIOT

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC opened a new position worth $25,374,388. 2026-06-30
Columbus Hill Capital Management, L.P. Columbus Hill Capital Management, L.P. opened a new position worth $42,922,449. 2026-06-30
NOMURA HOLDINGS INC NOMURA HOLDINGS INC opened a new position worth $63,198,415. 2026-06-30
Sachem Head Capital Management LP Sachem Head Capital Management LP opened a new position worth $78,443,700. 2026-06-30
TOMS Capital Investment Management LP TOMS Capital Investment Management LP opened a new position worth $160,857,500. 2026-06-30
Sixth Street Partners Management Company, L.P. Sixth Street Partners Management Company, L.P. opened a new position worth $88,595,273. 2026-06-30
THAMES CAPITAL MANAGEMENT LLC THAMES CAPITAL MANAGEMENT LLC opened a new position worth $32,900,054. 2026-06-30
DIMENSIONAL FUND ADVISORS LP DIMENSIONAL FUND ADVISORS LP increased this position by 201% ($58,852,707 -> $177,335,523). 2026-06-30

Which Funds Hold RIOT

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD PORTFOLIO MANAGEMENT LLC $594,834,032 21,725,129
Situational Awareness LP $468,198,000 17,100,000
FMR LLC $455,971,625 118,651,000
VANGUARD CAPITAL MANAGEMENT LLC $414,701,258 15,146,138
Starboard Value LP $276,937,091 10,114,576
GEODE CAPITAL MANAGEMENT, LLC $253,631,999 8,027,814
VOYA INVESTMENT MANAGEMENT LLC $188,223,508 93,610,000
DIMENSIONAL FUND ADVISORS LP $177,335,523 6,476,827
TOMS Capital Investment Management LP $160,857,500 5,875,000
D. E. Shaw & Co., Inc. $149,363,376 5,455,200

Data compiled from public SEC filings. This is informational reporting, not investment advice.

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