Energy Vault
NRGV
104 hedge funds and large institutions have $33.8M invested in Energy Vault in 2025 Q2 according to their latest regulatory filings, with 22 funds opening new positions, 21 increasing their positions, 34 reducing their positions, and 28 closing their positions.
538% more call options, than puts
Call options by funds: $204K | Put options by funds: $32K
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
6.14% less ownership
Funds ownership: 36.35% → 30.21% (-6.1%)
7% less funds holding
Funds holding: 112 → 104 (-8)
12% less capital invested
Capital invested by funds: $38.5M → $33.8M (-$4.67M)
21% less first-time investments, than exits
New positions opened: 22 | Existing positions closed: 28
38% less repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 34
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$1.74M |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$1.01M |
| 3 |
Jane Street
New York
|
+$651K |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$231K |
| 5 |
Goldman Sachs
New York
|
+$197K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$4.41M |
| 2 |
State Street
Boston,
Massachusetts
|
-$1.51M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
-$1.11M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$855K |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$511K |
NRGV Hedge Fund Activity: Q2 2025 in Review
104 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Energy Vault (NRGV) for Q2 2025, worth a combined $33.8M — down 12% from $38.5M a quarter earlier.
Sellers outnumbered buyers: 28 funds closed out of NRGV and 22 opened new positions — a net loss of 6 holders — while 34 trimmed existing stakes and 21 added.
The largest buyer was Millennium Management, adding an estimated $1.74M. The largest seller was BlackRock, cutting an estimated $4.41M.
- 104 institutional investors held Energy Vault (NRGV) as of Q2 2025, down from 112 in Q1 2025.
- Funds reported $33.8M of Energy Vault stock for Q2 2025, down 12% quarter-over-quarter.
- 22 funds opened new Energy Vault positions in Q2 2025 and 28 closed out, a net change of -6 holders.
- The largest Energy Vault buyer in Q2 2025 was Millennium Management, an estimated $1.74M added.
- The largest Energy Vault seller in Q2 2025 was BlackRock, an estimated $4.41M sold.
Based on aggregated 13F filings for Q2 2025.