NET Power
NPWR
114 hedge funds and large institutions have $76.1M invested in NET Power in 2025 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 25 increasing their positions, 39 reducing their positions, and 10 closing their positions.
200% more call options, than puts
Call options by funds: $1.12M | Put options by funds: $372K
180% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 10
14% more funds holding
Funds holding: 100 → 114 (+14)
1.94% less ownership
Funds ownership: 41.69% → 39.76% (-1.9%)
22% less capital invested
Capital invested by funds: $97.7M → $76.1M (-$21.7M)
36% less repeat investments, than reductions
Existing positions increased: 25 | Existing positions reduced: 39
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SG
Sourcerock Group
Denver,
Colorado
|
+$4.68M |
| 2 |
PEAK6
Chicago,
Illinois
|
+$4.21M |
| 3 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
+$1.87M |
| 4 |
Jane Street
New York
|
+$1.41M |
| 5 |
BFM
Boothbay Fund Management
New York
|
+$940K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Adage Capital Partners
Boston,
Massachusetts
|
-$3.03M |
| 2 |
Morgan Stanley
New York
|
-$1.98M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$1.14M |
| 4 |
Walleye Capital
New York
|
-$858K |
| 5 |
CM
Caption Management
Oklahoma City,
Oklahoma
|
-$810K |
NPWR Hedge Fund Activity: Q4 2025 in Review
114 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in NET Power (NPWR) for Q4 2025, worth a combined $76.1M — down 22% from $97.7M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new NPWR positions and 10 closed out — a net gain of 18 holders — while 25 added to existing stakes and 39 trimmed.
The largest buyer was Sourcerock Group, opening a new position worth an estimated $4.68M. The largest seller was Adage Capital Partners, cutting an estimated $3.03M.
- 114 institutional investors held NET Power (NPWR) as of Q4 2025, up from 100 in Q3 2025.
- Funds reported $76.1M of NET Power stock for Q4 2025, down 22% quarter-over-quarter.
- 28 funds opened new NET Power positions in Q4 2025 and 10 closed out, a net change of +18 holders.
- The largest NET Power buyer in Q4 2025 was Sourcerock Group, an estimated $4.68M added.
- The largest NET Power seller in Q4 2025 was Adage Capital Partners, an estimated $3.03M sold.
Based on aggregated 13F filings for Q4 2025.