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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$506M +$5.72M +334,393 +0.8%
BlackRock
2
BlackRock
New York
$369M -$779K -45,526 -0.2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$162M -$131M -7,635,146 -37%
SV
4
Starboard Value
New York
$161M +$67.2M +3,926,576 +45%
Viking Global Investors
5
Viking Global Investors
Connecticut
$157M +$213M +12,428,894 New
VARA
6
Value Aligned Research Advisors
New Jersey
$122M +$69.3M +4,053,959 +73%
State Street
7
State Street
Massachusetts
$113M +$6.12M +357,721 +4%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$112M -$495K -28,924 -0.3%
SA
9
Situational Awareness
California
$78.1M +$44M +2,575,001 +72%
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$69.1M – – –
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$65.2M +$10.5M +614,119 +14%
Nomura Holdings
12
Nomura Holdings
Japan
$64.6M +$86.9M +5,082,670 +34,529%
Jane Street
13
Jane Street
New York
$62.9M -$78.5M -4,586,732 -48%
Goldman Sachs
14
Goldman Sachs
New York
$61.6M -$42.1M -2,463,961 -34%
Renaissance Technologies
15
Renaissance Technologies
New York
$54.3M +$25.5M +1,489,400 +53%
T. Rowe Price Investment Management
16
T. Rowe Price Investment Management
Maryland
$54.2M +$427K +24,972 +0.6%
MMA
17
Mizuho Markets Americas
New York
$53.9M -$34.7M -2,031,041 -32%
Morgan Stanley
18
Morgan Stanley
New York
$51.4M +$15.3M +896,764 +28%
Voloridge Investment Management
19
Voloridge Investment Management
Florida
$46.4M -$4.24M -247,872 -6%
Charles Schwab
20
Charles Schwab
California
$42.4M +$1.76M +102,686 +3%
VanEck Associates
21
VanEck Associates
New York
$39.2M +$12.1M +704,942 +30%
UBS Group
22
UBS Group
Switzerland
$37.5M +$9.72M +568,149 +24%
Northern Trust
23
Northern Trust
Illinois
$35.3M -$3.58M -209,199 -7%
Invesco
24
Invesco
Georgia
$35.2M -$1.71M -100,051 -3%
CWM
25
CIBC World Markets
New York
$32M +$43.2M +2,523,082 New
1
2 3 4 5

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.