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Riot Platforms
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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
Swiss National Bank
51
Swiss National Bank
Switzerland
$8.48M +$190K +11,100 +2%
NAMI
52
Nomura Asset Management International
Pennsylvania
$8.3M +$11.2M +654,750 New
UBS AM
53
UBS AM
Illinois
$8.25M +$2.14M +125,172 +24%
GDCM
54
Galaxy Digital Capital Management
New York
$7.85M +$2.96M +173,144 +39%
Millennium Management
55
Millennium Management
New York
$7.78M -$3.11M -182,097 -23%
ACM
56
Alight Capital Management
New York
$7.6M +$5.13M +300,000 +100%
CF
57
Cantor Fitzgerald
New York
$7.58M -$25.8M -1,508,349 -72%
Barclays
58
Barclays
United Kingdom
$7.57M -$9.1M -531,794 -47%
SBH
59
Segall Bryant & Hamill
Illinois
$7.57M +$10.2M +597,677 New
VOYA Investment Management
60
VOYA Investment Management
Georgia
$7.43M +$4.55M +265,783 +83%
Group One Trading
61
Group One Trading
Illinois
$7.21M +$9.74M +569,184 New
Bank of Montreal
62
Bank of Montreal
Ontario, Canada
$7.03M +$4.08M +238,570 +75%
Wells Fargo
63
Wells Fargo
California
$6.97M +$1.95M +114,256 +26%
VF
64
Virtu Financial
New York
$6.86M +$9.26M +541,527 New
PEAK6
65
PEAK6
Illinois
$6.59M +$8.9M +520,484 New
RhumbLine Advisers
66
RhumbLine Advisers
Massachusetts
$6.46M -$749K -43,772 -8%
DZ Bank
67
DZ Bank
Germany
$6.45M +$642K +37,505 +8%
CC
68
Clearline Capital
New York
$6.28M +$7.52M +439,577 +783%
First Trust Advisors
69
First Trust Advisors
Illinois
$6.25M +$7.4M +432,716 +712%
EP
70
Edgestream Partners
New Jersey
$5.96M +$6.01M +351,440 +296%
MG
71
Marex Group
$5.89M -$4.72M -275,760 -37%
CS
72
Clear Street
New York
$5.89M -$20.4M -1,189,865 -72%
Capital Fund Management (CFM)
73
Capital Fund Management (CFM)
France
$5.75M -$4.9M -286,450 -39%
Marshall Wace
74
Marshall Wace
United Kingdom
$5.69M +$7.66M +448,002 +40,727%
Tudor Investment Corp
75
Tudor Investment Corp
Connecticut
$5.69M -$14M -819,902 -65%
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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.