NET Power
NPWR
100 hedge funds and large institutions have $97.7M invested in NET Power in 2025 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 33 increasing their positions, 26 reducing their positions, and 12 closing their positions.
855% more call options, than puts
Call options by funds: $6.95M | Put options by funds: $728K
50% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 12
31% more capital invested
Capital invested by funds: $74.6M → $97.7M (+$23.2M)
27% more repeat investments, than reductions
Existing positions increased: 33 | Existing positions reduced: 26
6% more funds holding
Funds holding: 94 → 100 (+6)
2.86% more ownership
Funds ownership: 38.84% → 41.69% (+2.9%)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$3.22M |
| 2 |
Morgan Stanley
New York
|
+$1.64M |
| 3 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
+$1.47M |
| 4 |
Walleye Capital
New York
|
+$761K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$743K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HHAM
HITE Hedge Asset Management
Braintree,
Massachusetts
|
-$1.87M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$1.55M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$881K |
| 4 |
JGC
J. Goldman & Co
New York
|
-$671K |
| 5 |
SCM
SIR Capital Management
New York
|
-$526K |
NPWR Hedge Fund Activity: Q3 2025 in Review
100 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in NET Power (NPWR) for Q3 2025, worth a combined $97.7M — up 31% from $74.6M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new NPWR positions and 12 closed out — a net gain of 6 holders — while 33 added to existing stakes and 26 trimmed.
The largest buyer was Millennium Management, adding an estimated $3.22M. The largest seller was HITE Hedge Asset Management, cutting an estimated $1.87M.
- 100 institutional investors held NET Power (NPWR) as of Q3 2025, up from 94 in Q2 2025.
- Funds reported $97.7M of NET Power stock for Q3 2025, up 31% quarter-over-quarter.
- 18 funds opened new NET Power positions in Q3 2025 and 12 closed out, a net change of +6 holders.
- The largest NET Power buyer in Q3 2025 was Millennium Management, an estimated $3.22M added.
- The largest NET Power seller in Q3 2025 was HITE Hedge Asset Management, an estimated $1.87M sold.
Based on aggregated 13F filings for Q3 2025.