RIOT PLATFORMS INC COM is a security (CUSIP 767292955) tracked across SEC portfolio filings. 6 institutional managers reported $67.7M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $41.8M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $13.6M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $10.9M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $1.4M | — |
| HRT FINANCIAL LP | NEW YORK, NY | $3K | 240,100 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |