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Energy Vault

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

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

9% less funds holding

Funds holding: 10495 (-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
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.75M
Puts
$2M
Net Calls
Net Calls Change

Top Buyers

1 +$5.63M
2 +$3.69M
3 +$1.78M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$506K
5
Group One Trading
Group One Trading
Illinois
+$362K

Top Sellers

1 -$2.07M
2 -$1.16M
3 -$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
1
$55.1M
2
$20.6M
3
$17.4M
4
$15.6M
5
$5.42M
6
$4.08M
7
$3.94M
8
$3.34M
9
$2.51M
10
$2.3M
11
$1.96M
12
$1.83M
13
$1.61M
14
$1.56M
15
$1.53M
16
$910K
17
$832K
18
$620K
19
$613K
20
$601K
21
$513K
22
$495K
23
$440K
24
$427K
25
$415K