Riot Platforms
RIOT
446 hedge funds and large institutions have $8.66B invested in Riot Platforms in 2026 Q2 according to their latest regulatory filings, with 111 funds opening new positions, 148 increasing their positions, 132 reducing their positions, and 59 closing their positions.
149% more capital invested
Capital invested by funds: $3.47B → $8.66B (+$5.18B)
90% more call options, than puts
Call options by funds: $991M | Put options by funds: $522M
88% more first-time investments, than exits
New positions opened: 111 | Existing positions closed: 59
71% more funds holding in top 10
Funds holding in top 10: 7 → 12 (+5)
12% more repeat investments, than reductions
Existing positions increased: 148 | Existing positions reduced: 132
10% more funds holding
Funds holding: 404 → 446 (+42)
9.24% more ownership
Funds ownership: 74.08% → 83.32% (+9.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$213M |
| 2 |
TCIM
TOMS Capital Investment Management
New York
|
+$132M |
| 3 |
SA
Situational Awareness
San Francisco,
California
|
+$126M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$104M |
| 5 |
SG Americas Securities
New York
|
+$97.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SV
Starboard Value
New York
|
-$122M |
| 2 |
Nomura Holdings
Tokyo,
Japan
|
-$112M |
| 3 |
DE
Defiance ETFs
New York
|
-$58.1M |
| 4 |
Westfield Capital Management
Boston,
Massachusetts
|
-$56M |
| 5 |
ACL
Azora Capital LP
Miami,
Florida
|
-$46.1M |
RIOT Hedge Fund Activity: Q2 2026 in Review
446 institutional investors reported a position in Riot Platforms (RIOT) for Q2 2026, worth a combined $8.66B — up 149% from $3.47B a quarter earlier.
Buyers outnumbered sellers: 111 funds opened new RIOT positions and 59 closed out — a net gain of 52 holders — while 148 added to existing stakes and 132 trimmed.
The largest buyer was Jane Street, adding an estimated $213M. The largest seller was Starboard Value, cutting an estimated $122M.
- 446 institutional investors held Riot Platforms (RIOT) as of Q2 2026, up from 404 in Q1 2026.
- Funds reported $8.66B of Riot Platforms stock for Q2 2026, up 149% quarter-over-quarter.
- 111 funds opened new Riot Platforms positions in Q2 2026 and 59 closed out, a net change of +52 holders.
- The largest Riot Platforms buyer in Q2 2026 was Jane Street, an estimated $213M added.
- The largest Riot Platforms seller in Q2 2026 was Starboard Value, an estimated $122M sold.
Based on aggregated 13F filings for Q2 2026.