RIOT PLATFORMS INC COM is a security (CUSIP 767292905) tracked across SEC portfolio filings. 5 institutional managers reported $101.5M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $62.8M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $19.0M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $13.2M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $6.5M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |