Net PowerNPWR
13F holders, Q4 2025 (December 31)114holders +14
26new positions
10sold out
6famous investors
$2.28avg. 13F price*
At the end of Q4 2025, 114 institutions reported holding Net Power Inc. (NPWR) in their 13F filings, up 14 from Q3 2025. 26 opened new positions and 10 sold out. The largest holders were Share Andrew L. ($22.3M), Millennium Management ($5.2M) and Vanguard Group Inc. ($4.6M). 6 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Net Power Inc.
- CUSIP
- 64107A105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $8.8M |
| Exits | 10 | $2.3M |
All 13F filers, Q3 2025 → Q4 2025: 6,046,222 shares bought and 5,009,913 shares sold, net +1,036,309 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 114 holders
| Share Andrew L. | 11.40% | Reduce -1.7% | 9,767,500 | $22.3M |
| Millennium Management | 0.00% | Reduce -3.8% | 2,276,592 | $5.2M |
| Vanguard Group Inc. | 0.00% | Add +13.0% | 2,017,263 | $4.6M |
| BlackRock, Inc. | 0.00% | Reduce -2.6% | 1,995,226 | $4.5M |
| CenterBook Partners LP | 0.21% | Add +48.0% | 1,848,073 | $4.2M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Reduce -38.6% | 1,540,000 | $3.5M |
| Sourcerock Group LLC | 0.20% | New | 1,496,482 | $3.4M |
| PEAK6 LLC | 0.08% | New | 1,347,039 | $3.1M |
| Cohen & Steers, Inc. | 0.00% | Reduce -0.6% | 944,587 | $2.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -4.9% | 831,547 | $1.9M |
| HITE Hedge Asset Management LLC | 0.11% | Reduce -23.3% | 749,091 | $1.7M |
| Two Sigma Investments, LP | 0.00% | Reduce -11.4% | 728,459 | $1.7M |
| Jane Street Group, LLC | 0.00% | Add +168.1% | 720,560 | $1.6M |
| Nuveen, LLC | 0.00% | No change | 702,391 | $1.6M |
| State Street Corp. | 0.00% | Add +1.5% | 603,694 | $1.4M |
| Empowered Funds, LLC | 0.02% | Add +99.3% | 444,734 | $1.0M |
| Morgan Stanley | 0.00% | Reduce -67.6% | 303,697 | $692K |
| Goldman Sachs Group Inc. | 0.00% | Add +9.1% | 303,662 | $692K |
| Boothbay Fund Management, LLC | 0.02% | New | 300,545 | $685K |
| Wellington Management Group LLP | 0.00% | Reduce -46.9% | 274,327 | $625K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.1% | 268,044 | $611K |
| Argentarii, LLC | 0.20% | Add +413.0% | 263,507 | $601K |
| Northern Trust Corp. | 0.00% | Reduce -0.7% | 254,014 | $579K |
| Susquehanna International Group, LLP | 0.00% | Reduce -42.9% | 241,899 | $552K |
| Point72 Asset Management | 0.00% | New | 240,972 | $549K |
| Tidal Investments LLC | 0.00% | Add +172.4% | 234,245 | $534K |
| Shelton Capital Management | 0.01% | No change | 200,300 | $457K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -44.3% | 187,666 | $428K |
| Janney Montgomery Scott LLC | 0.00% | Add +1106.5% | 120,649 | $275K |
| SIR Capital Management, L.P. | 0.03% | No change | 103,178 | $235K |
| Two Sigma Advisers, LP | 0.00% | Reduce -57.7% | 102,400 | $233K |
| Alliancebernstein L.P. | 0.00% | No change | 101,680 | $232K |
| Renaissance Technologies | 0.00% | New | 94,600 | $216K |
| Caption Management, LLC | 0.01% | Reduce -75.0% | 86,228 | $197K |
| Moore Capital Management, LP | 0.00% | Reduce -15.0% | 85,000 | $194K |
| Tudor Investment Corporation | 0.00% | New | 84,887 | $194K |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.9% | 84,167 | $192K |
| Worth Venture Partners, LLC | 1.32% | Add +15.7% | 80,250 | $183K |
| Federated Hermes, Inc. | 0.00% | Add +163.8% | 79,026 | $180K |
| D. E. Shaw & Co. | 0.00% | Add +2.2% | 77,681 | $177K |
| UBS Group AG | 0.00% | Reduce -85.0% | 64,496 | $147K |
| Quantbot Technologies LP | 0.00% | Add +364.2% | 60,215 | $137K |
| Graham Capital Management, L.P. | 0.01% | New | 59,786 | $136K |
| AQR Capital Management | 0.00% | Add +51.1% | 56,598 | $129K |
| Atom Investors LP | 0.01% | New | 55,094 | $126K |
| Barclays PLC | 0.00% | Add +14.6% | 54,750 | $125K |
| Wells Fargo & Company | 0.00% | Add +57.3% | 49,245 | $112K |
| XTX Topco Ltd | 0.00% | Reduce -42.4% | 48,802 | $111K |
| Rhumbline Advisers | 0.00% | Reduce -2.7% | 44,128 | $101K |
| Osaic Holdings, Inc. | 0.00% | Reduce -7.9% | 42,235 | $96K |
| Polymer Capital Management (US) LLC | 0.01% | New | 42,155 | $96K |
| LPL Financial LLC | 0.00% | Reduce -3.5% | 40,775 | $93K |
| JPMorgan Chase & Co. | 0.00% | Reduce -84.6% | 32,809 | $75K |
| Engineers Gate Manager LP | 0.00% | Reduce -17.6% | 32,522 | $74K |
| Sig Brokerage, LP | 0.02% | Add +31.5% | 31,942 | $73K |
| Verition Fund Management LLC | 0.00% | Add +10.9% | 30,321 | $69K |
| NorthCoast Asset Management LLC | 0.00% | Reduce -31.5% | 26,380 | $60K |
| Family Manage LLC | 0.01% | New | 26,222 | $60K |
| Bank of America Corp. | 0.00% | Reduce -83.7% | 25,049 | $57K |
| Jain Global LLC | 0.00% | New | 25,029 | $57K |
| Group One Trading LLC | 0.00% | Reduce -89.1% | 22,985 | $52K |
| Two Sigma Securities, LLC | 0.01% | New | 21,454 | $49K |
| Deutsche Bank AG | 0.00% | No change | 19,565 | $45K |
| Thompson Davis & Co., Inc. | 0.02% | New | 18,111 | $41K |
| Integrity Alliance, Llc. | 0.00% | New | 17,400 | $40K |
| Kapstone Financial Advisors LLC | 0.02% | No change | 17,395 | $40K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 17,028 | $39K |
| Legacy Advisors, LLC | 0.00% | No change | 16,393 | $37K |
| Intech Investment Management LLC | 0.00% | Reduce -13.6% | 14,734 | $34K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -7.1% | 14,629 | $33K |
| Sei Investments Co. | 0.00% | No change | 12,854 | $29K |
| Invesco Ltd. | 0.00% | Reduce -2.3% | 11,583 | $26K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 11,179 | $25K |
| Captrust Financial Advisors | 0.00% | New | 10,014 | $23K |
| Truist Financial Corp. | 0.00% | No change | 10,000 | $23K |
| LMR Partners LLP | 0.00% | New | 9,051 | $21K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -41.4% | 7,174 | $16K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -10.3% | 7,020 | $16K |
| AlphaQuest LLC | 0.00% | No change | 6,275 | $14K |
| Royal Bank of Canada | 0.00% | Reduce -86.1% | 5,053 | $12K |
| New York State Common Retirement Fund | 0.00% | No change | 5,100 | $12K |
| Strive Financial Group ,LLC | 0.01% | — | 5,000 | $11K |
| Fifth Third Bancorp | 0.00% | No change | 5,000 | $11K |
| FMR LLC | 0.00% | Add +235.5% | 4,948 | $11K |
| Russell Investments Group, Ltd. | 0.00% | Add +1.4% | 4,876 | $11K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,252 | $10K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 3,213 | $7K |
| Legal & General Group Plc | 0.00% | No change | 3,095 | $7K |
| Jones Financial Companies LLLP | 0.00% | Reduce -6.1% | 3,077 | $7K |
| Cwm, LLC | 0.00% | Add +90.3% | 2,852 | $7K |
| Eq Wealth Advisors, LLC | 0.00% | New | 2,786 | $6K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,072 | $5K |
| California State Teachers Retirement System | 0.00% | Add +25.8% | 1,929 | $4K |
| Sterling Capital Management LLC | 0.00% | Reduce -22.7% | 1,812 | $4K |
| Blue Trust, Inc. | 0.00% | No change | 1,390 | $3K |
| Lanark Financial, Inc. | 0.00% | No change | 1,340 | $3K |
| McMillan Office, Inc. | 0.00% | — | 1,000 | $2K |
| Citigroup Inc. | 0.00% | Reduce -48.8% | 901 | $2K |
| Amalgamated Bank | 0.00% | Add +35.0% | 988 | $2K |
| Optiver Holding B.V. | 0.00% | No change | 604 | $1K |
"% of holder's portfolio" is NPWR's weight in each manager's 13F, not the share of Net Power Inc. the manager owns.