Riot Platforms
RIOT
390 hedge funds and large institutions have $3.38B invested in Riot Platforms in 2025 Q4 according to their latest regulatory filings, with 90 funds opening new positions, 133 increasing their positions, 116 reducing their positions, and 86 closing their positions.
30% more call options, than puts
Call options by funds: $852M | Put options by funds: $654M
15% more repeat investments, than reductions
Existing positions increased: 133 | Existing positions reduced: 116
1.66% more ownership
Funds ownership: 70.16% → 71.82% (+1.7%)
5% more first-time investments, than exits
New positions opened: 90 | Existing positions closed: 86
2% less funds holding
Funds holding: 396 → 390 (-6)
31% less capital invested
Capital invested by funds: $4.94B → $3.38B (-$1.55B)
50% less funds holding in top 10
Funds holding in top 10: 6 → 3 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
+$213M |
| 2 |
Nomura Holdings
Tokyo,
Japan
|
+$86.9M |
| 3 |
VARA
Value Aligned Research Advisors
Princeton,
New Jersey
|
+$69.3M |
| 4 |
SV
Starboard Value
New York
|
+$67.2M |
| 5 |
SA
Situational Awareness
San Francisco,
California
|
+$44M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$131M |
| 2 |
Jane Street
New York
|
-$78.5M |
| 3 |
Two Sigma Advisers
New York
|
-$63.3M |
| 4 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$47.8M |
| 5 |
Two Sigma Investments
New York
|
-$42.4M |
RIOT Hedge Fund Activity: Q4 2025 in Review
390 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Riot Platforms (RIOT) for Q4 2025, worth a combined $3.38B — down 31% from $4.94B a quarter earlier.
Buyers outnumbered sellers: 90 funds opened new RIOT positions and 86 closed out — a net gain of 4 holders — while 133 added to existing stakes and 116 trimmed.
The largest buyer was Viking Global Investors, opening a new position worth an estimated $213M. The largest seller was Fidelity Investments, cutting an estimated $131M.
- 390 institutional investors held Riot Platforms (RIOT) as of Q4 2025, down from 396 in Q3 2025.
- Funds reported $3.38B of Riot Platforms stock for Q4 2025, down 31% quarter-over-quarter.
- 90 funds opened new Riot Platforms positions in Q4 2025 and 86 closed out, a net change of +4 holders.
- The largest Riot Platforms buyer in Q4 2025 was Viking Global Investors, an estimated $213M added.
- The largest Riot Platforms seller in Q4 2025 was Fidelity Investments, an estimated $131M sold.
Based on aggregated 13F filings for Q4 2025.