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Energy Vault
NRGV

95 hedge funds and large institutions have $151M invested in Energy Vault in 2025 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 26 increasing their positions, 31 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

347% more capital invested

Capital invested by funds: $33.8M → $151M (+$117M)

200% more funds holding in top 10

Funds holding in top 10: 1 → 3 (+2)

188% more call options, than puts

Call options by funds: $5.75M | Put options by funds: $2M

1.18% more ownership

Funds ownership: 30.21% → 31.39% (+1.2%)

9% less funds holding

Funds holding: 104 → 95 (-9)

16% less repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 31

41% less first-time investments, than exits

New positions opened: 13 | Existing positions closed: 22

Holders
95
Holders Change
-9
Holders Change %
-8.65%
% of All Funds
1.25%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
13
Increased
26
Reduced
31
Closed
22
Calls
$5.75M
Puts
$2M
Net Calls
+$3.75M
Net Calls Change
+$3.58M

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$5.63M
2
SM
Scoggin Management
New York
+$3.69M
3
Marshall Wace
Marshall Wace
United Kingdom
+$1.78M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$506K
5
Group One Trading
Group One Trading
Illinois
+$362K

Top Sellers

Rank Fund Capital Flow
1
SCP
SailingStone Capital Partners
Texas
-$2.07M
2
GCP
GSA Capital Partners
United Kingdom
-$1.16M
3
Goldman Sachs
Goldman Sachs
New York
-$712K
4
Jane Street
Jane Street
New York
-$691K
5
CM
CastleKnight Management
New York
-$595K
Name Holding Trade Value Shares
Change 		Change in
Stake
SC
26
Sapient Capital
Indiana
$347K +$32.8K +20,000 +21%
CFM
27
Catalyst Funds Management
Australia
$347K +$110K +66,960 +134%
ECM
28
ExodusPoint Capital Management
New York
$317K +$157K +95,462 +845%
Creative Planning
29
Creative Planning
Kansas
$303K +$6.05K +3,690 +4%
MFIM
30
Mesirow Financial Investment Management
Illinois
$297K -$41K -25,000 -20%
AAP
31
Ardsley Advisory Partners
Connecticut
$297K +$164K +100,000 New
Nomura Holdings
32
Nomura Holdings
Japan
$249K +$29.5K +17,961 +27%
Morgan Stanley
33
Morgan Stanley
New York
$240K -$16.1K -9,836 -11%
XT
34
XTX Topco
Cayman Islands
$222K +$34.4K +20,941 +39%
VF
35
Virtu Financial
New York
$214K +$74.8K +45,555 +171%
GAA
36
Green Alpha Advisors
Colorado
$209K -$23.1K -14,092 -17%
Stifel Financial
37
Stifel Financial
Missouri
$203K -$313 -191 -0.3%
CC
38
Capital Counsel
New York
$195K – – –
Two Sigma Investments
39
Two Sigma Investments
New York
$182K +$101K +61,289 New
OFG
40
Oxford Financial Group
Indiana
$151K – – –
BCM
41
Bridgeway Capital Management
Texas
$149K – – –
SKK
42
Shepherd Kaplan Krochuk
Massachusetts
$142K -$40.5K -24,682 -34%
AAP
43
Arax Advisory Partners
Colorado
$129K +$57.4K +35,009 +422%
Verition Fund Management
44
Verition Fund Management
Connecticut
$120K +$66.6K +40,564 New
Dimensional Fund Advisors
45
Dimensional Fund Advisors
Texas
$114K – – –
KF
46
Krilogy Financial
Missouri
$102K +$49.9K +30,404 New
JP Morgan Chase
47
JP Morgan Chase
New York
$99.3K -$2.98K -1,819 -5%
CFO
48
Callan Family Office
Pennsylvania
$94.2K – – –
Neuberger Berman Group
49
Neuberger Berman Group
New York
$91.6K -$16.4K -9,987 -24%
American Century Companies
50
American Century Companies
Missouri
$90.6K +$50.1K +30,515 New
1
2
3 4 5

NRGV Hedge Fund Activity: Q3 2025 in Review

95 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Energy Vault (NRGV) for Q3 2025, worth a combined $151M — up 347% from $33.8M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of NRGV and 13 opened new positions — a net loss of 9 holders — while 31 trimmed existing stakes and 26 added.

The largest buyer was Millennium Management, adding an estimated $5.63M. The largest seller was SailingStone Capital Partners, cutting an estimated $2.07M.

  • 95 institutional investors held Energy Vault (NRGV) as of Q3 2025, down from 104 in Q2 2025.
  • Funds reported $151M of Energy Vault stock for Q3 2025, up 347% quarter-over-quarter.
  • 13 funds opened new Energy Vault positions in Q3 2025 and 22 closed out, a net change of -9 holders.
  • The largest Energy Vault buyer in Q3 2025 was Millennium Management, an estimated $5.63M added.
  • The largest Energy Vault seller in Q3 2025 was SailingStone Capital Partners, an estimated $2.07M sold.

Based on aggregated 13F filings for Q3 2025.