Who owns Riot Platforms, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RIOT from SEC Form 13F filings across 451 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 451 institutions disclosed 317.1M shares of Riot Platforms, Inc. worth $8.66B — about 91.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
451
13F holders
$8.66B
value, 2026 filers
91.2%
of shares outstanding (317.1M sh)
117
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RIOT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 32.0M | $875.7M | 0.0% | 9.2% | +7.9% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 21.7M | $594.8M | 0.0% | 6.2% | +0.2% |
| 3 | FMR LLC | 19.6M | $537.9M | 0.0% | 5.7% | +30.8% |
| 4 | Situational Awareness LP | 17.1M | $468.2M | 2.3% | 4.9% | +48.7% |
| 5 | JANE STREET GROUP, LLC | 16.8M | $460.7M | 0.0% | 4.8% | +127.8% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 15.1M | $414.7M | 0.0% | 4.4% | +1.9% |
| 7 | Starboard Value LP | 10.1M | $276.9M | 6.1% | 2.9% | -34.9% |
| 8 | STATE STREET CORP | 9.4M | $258.4M | 0.0% | 2.7% | +2.7% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 9.3M | $287.8M | 0.0% | 2.7% | +3.5% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 7.0M | $191.3M | 0.0% | 2% | -0.4% |
| 11 | TOMS Capital Investment Management LPNEW | 5.9M | $160.9M | 3.4% | 1.7% | new |
| 12 | T. Rowe Price Investment Management, Inc. | 5.6M | $153.9M | 0.1% | 1.6% | +46.5% |
| 13 | D. E. Shaw & Co., Inc. | 5.5M | $149.4M | 0.1% | 1.6% | 0.0% |
| 14 | BANK OF AMERICA CORP /DE/ | 5.2M | $143.0M | 0.0% | 1.5% | +29.4% |
| 15 | MIZUHO MARKETS AMERICAS LLC | 5.1M | $140.8M | 2.2% | 1.5% | +1.6% |
| 16 | NOMURA HOLDINGS INC | 4.9M | $134.6M | 0.2% | 1.4% | -50.4% |
| 17 | SG Americas Securities, LLC | 4.7M | $130.0M | 0.1% | 1.4% | +1067.7% |
| 18 | AMERICAN CENTURY COMPANIES INC | 4.6M | $125.5M | 0.1% | 1.3% | +113.4% |
| 19 | GOLDMAN SACHS GROUP INC | 4.2M | $116.1M | 0.0% | 1.2% | +11.3% |
| 20 | Invesco Ltd. | 4.0M | $108.4M | 0.0% | 1.1% | +46.2% |
| 21 | Point72 Asset Management, L.P.NEW | 3.7M | $101.7M | 0.1% | 1.1% | new |
| 22 | TWO SIGMA INVESTMENTS, LP | 3.6M | $99.5M | 0.1% | 1% | +817.0% |
| 23 | MORGAN STANLEY | 3.4M | $93.8M | 0.0% | 1% | +12.8% |
| 24 | WELLINGTON MANAGEMENT GROUP LLP | 3.4M | $93.4M | 0.0% | 1% | +110.9% |
| 25 | Connor, Clark & Lunn Investment Management Ltd. | 3.4M | $92.9M | 0.2% | 1% | +28.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.