Riot Platforms, Inc.
RIOT- Exchange
- Nasdaq
- Industry
- Finance Services
- SEC CIK
- 0001167419
In the last 90 days, Riot Platforms, Inc. insiders filed 0 open-market purchases and 2 sales; 451 institutions reported holding it in 13F filings for Q2 2026, worth $8.66B in total; superinvestors Starboard Value and Duquesne Family Office hold it.
Superinvestors holding RIOT, Q2 2026
2 superinvestors report holding Riot Platforms, Inc. on Form 13F, worth $297.6M in total. Weight is Riot Platforms, Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Starboard ValueJeff Smith | 6.1% | 10,114,576 | $276.9M | Reduced−34.9% |
| Duquesne Family OfficeStanley Druckenmiller | 0.5% | 754,800 | $20.7M | New |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of RIOT each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
2 superinvestors holding at quarter end
- New
- Duquesne Family Office
- Reduced
- Starboard Value (−34.9%)
Q1 2026
1 superinvestor holding at quarter end
- Added
- Starboard Value (+22.0%)
- Sold out
- Viking Global Investors
Q4 2025
2 superinvestors holding at quarter end
- New
- Viking Global Investors
- Added
- Starboard Value (+44.5%)
Q3 2025
1 superinvestor holding at quarter end
- Added
- Starboard Value (+88.5%)
Q2 2025
1 superinvestor holding at quarter end
- Reduced
- Starboard Value (−63.2%)
Q1 2025
1 superinvestor holding at quarter end
- Reduced
- Starboard Value (0.0%)
Q4 2024
1 superinvestor holding at quarter end