Riot Platforms, Inc. (RIOT) Holders & Ownership

Riot Platforms, Inc. (RIOT) ownership: Top institutional holder: VANGUARD GROUP INC ($505.66M). Insider activity: Net Seller (0 buys, 3 sells). SEC EDGAR first-party data.

Top Institutional Holders (13F)

Source: SEC Form 13F
HolderSharesMarket ValueReported
VANGUARD GROUP INC39910169.00$505.66M2025-12-31
BlackRock, Inc.29652705.00$366.51M2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC21685659.00$268.03M2026-03-31
Starboard Value LP15544576.00$192.13M2026-03-31
FMR LLC15014625.00$185.58M2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC14865081.00$183.73M2026-03-31
VIKING GLOBAL INVESTORS LP12428894.00$157.47M2025-12-31
Situational Awareness LP11502137.00$142.17M2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-05-27
Sellnull2026-05-11
Sellnull2026-04-12

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.