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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
390
Holders Change
-6
Holders Change %
-1.52%
% of All Funds
4.74%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
90
Increased
133
Reduced
116
Closed
86
Calls
$852M
Puts
$654M
Net Calls
+$197M
Net Calls Change
-$336M

Top Buyers

1
Viking Global Investors
Viking Global Investors
Connecticut
+$213M
2
Nomura Holdings
Nomura Holdings
Japan
+$86.9M
3
VARA
Value Aligned Research Advisors
New Jersey
+$69.3M
4
SV
Starboard Value
New York
+$67.2M
5
SA
Situational Awareness
California
+$44M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$131M
2
Jane Street
Jane Street
New York
-$78.5M
3
Two Sigma Advisers
Two Sigma Advisers
New York
-$63.3M
4
MIM
Merewether Investment Management
Texas
-$47.8M
5
Two Sigma Investments
Two Sigma Investments
New York
-$42.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
MOACM
101
Mutual of America Capital Management
New York
$2.66M +$3.59M +209,591 New
Two Sigma Advisers
102
Two Sigma Advisers
New York
$2.59M -$63.3M -3,701,700 -95%
HPG
103
Harvest Portfolios Group
Ontario, Canada
$2.53M -$1.32M -77,271 -28%
Manulife (Manufacturers Life Insurance)
104
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.44M +$67.9K +3,969 +2%
Citigroup
105
Citigroup
New York
$2.42M +$209K +12,200 +7%
Victory Capital Management
106
Victory Capital Management
Texas
$2.41M +$1.78M +103,985 +121%
BHCM
107
Brevan Howard Capital Management
Jersey
$2.36M -$381K -22,294 -11%
AA
108
Armis Advisers
Georgia
$2.01M +$2.57M +150,238 New
State of New Jersey Common Pension Fund D
109
State of New Jersey Common Pension Fund D
New Jersey
$1.96M -$319K -18,631 -11%
LPL Financial
110
LPL Financial
California
$1.94M +$1.75M +102,524 +202%
Janus Henderson Group
111
Janus Henderson Group
United Kingdom
$1.91M +$112K +6,527 +5%
Canada Life
112
Canada Life
Manitoba, Canada
$1.91M -$1M -58,521 -28%
MWM
113
Meridian Wealth Management
Kentucky
$1.87M -$150K -8,772 -6%
Russell Investments Group
114
Russell Investments Group
United Kingdom
$1.71M -$41.7K -2,439 -2%
EGM
115
Engineers Gate Manager
New York
$1.65M +$2.23M +130,186 New
IIM
116
INTECH Investment Management
Florida
$1.62M +$492K +28,739 +29%
SAMU
117
SONA Asset Management (US)
New York
$1.58M – – –
AQR Capital Management
118
AQR Capital Management
Connecticut
$1.56M +$1.54M +90,001 +272%
KC
119
Kryger Capital
United Kingdom
$1.53M -$2.21M -129,223 -52%
FIA
120
Foundations Investment Advisors
Arizona
$1.52M +$406K +23,733 +25%
Creative Planning
121
Creative Planning
Kansas
$1.52M +$35.4K +2,072 +2%
Royal Bank of Canada
122
Royal Bank of Canada
Ontario, Canada
$1.4M -$1.57M -92,059 -45%
RA
123
RR Advisors
Texas
$1.33M +$1.11M +65,000 +163%
New York State Common Retirement Fund
124
New York State Common Retirement Fund
New York
$1.33M -$39.3K -2,300 -2%
XT
125
XTX Topco
Cayman Islands
$1.3M +$432K +25,263 +33%
3 4
5
6 7

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.