Riot Platforms, Inc. (RIOT)
Who owns Riot Platforms, Inc. (RIOT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.2% of the shares are freely tradable; institutional investors hold 81.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 10.55 | 39,910,169 | +0.8 | 12/31/2025 |
| BlackRock Inc | 7.84 | 29,652,705 | +1.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.73 | 21,685,659 | +0.0 | 03/31/2026 |
| Starboard Value LP | 4.11 | 15,544,576 | +22.0 | 03/31/2026 |
| FMR Inc | 3.97 | 15,014,625 | +17.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.93 | 14,865,081 | +0.0 | 03/31/2026 |
| Situational Awareness LP | 3.04 | 11,502,137 | +86.5 | 03/31/2026 |
| Situational Awareness Partners LP | 3.04 | 11,502,137 | +0.0 | 03/31/2026 |
| Nomura Holdings Inc | 2.62 | 9,905,139 | +94.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.82 | 10,671,015 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 7. Jul 2026 | Werner Ryan D. | SVP, CAO | Sell | 7,596 | 21.93 | 166,580 |
| 7. Jul 2026 | Werner Ryan D. | SVP, CAO | Sell | 10,232 | 21.22 | 217,123 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.