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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
Zurich Cantonal Bank
151
Zurich Cantonal Bank
Switzerland
$845K – – –
QIM
152
Quantitative Investment Management
Virginia
$826K +$1.12M +65,213 New
ProShare Advisors
153
ProShare Advisors
Maryland
$808K +$43.3K +2,529 +4%
KI
154
Keystone Investors
Singapore
$784K -$4.89M -286,147 -82%
Man Group
155
Man Group
United Kingdom
$775K -$6.46M -377,672 -86%
Pictet Asset Management
156
Pictet Asset Management
Switzerland
$753K +$43.3K +2,531 +4%
Envestnet Asset Management
157
Envestnet Asset Management
Illinois
$736K +$65.5K +3,830 +7%
Vontobel Holding
158
Vontobel Holding
Switzerland
$716K +$153K +8,919 +19%
TSS
159
Two Sigma Securities
New York
$704K +$951K +55,579 New
Jennison Associates
160
Jennison Associates
New York
$673K +$233K +13,596 +34%
Mackenzie Financial
161
Mackenzie Financial
Ontario, Canada
$643K +$73.1K +4,274 +9%
PCM
162
Prelude Capital Management
New York
$634K -$861K -50,317 -50%
Wealthfront Advisers
163
Wealthfront Advisers
California
$633K +$61.6K +3,600 +8%
State Board of Administration of Florida Retirement System
164
State Board of Administration of Florida Retirement System
Florida
$626K – – –
GT
165
Glenmede Trust
Pennsylvania
$614K +$829K +48,433 New
A
166
AlphaQuest
New York
$604K +$86.3K +5,044 +12%
QCM
167
Quantinno Capital Management
New York
$593K +$268K +15,658 +50%
Carson Wealth (CWM LLC)
168
Carson Wealth (CWM LLC)
Nebraska
$568K +$651K +38,041 +563%
RBC
169
Rye Brook Capital
Connecticut
$539K – – –
Public Employees Retirement Association of Colorado
170
Public Employees Retirement Association of Colorado
Colorado
$505K +$442K +25,820 +184%
FAM
171
Formidable Asset Management
Ohio
$488K +$439K +25,655 New
XF
172
XML Financial
Maryland
$478K – – –
SO
173
STRS Ohio
Ohio
$475K +$66.7K +3,900 +12%
FDCDDQ
174
Federation des caisses Desjardins du Quebec
Quebec, Canada
$474K +$423K +24,726 +195%
MTIM
175
Marathon Trading Investment Management
Pennsylvania
$463K +$141K +8,243 +29%
5 6
7
8 9

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.