Net Power Inc.
NPWR- Exchange
- NYSE
- Industry
- Electrical Industrial Apparatus
- SEC CIK
- 0001845437
In the last 90 days, Net Power Inc. insiders filed 0 open-market purchases and 7 sales; 120 institutions reported holding it in 13F filings for Q2 2026, worth $64.1M in total; no superinvestor holds it.
Other share classesNPWR.WT
13F holders, Q4 2025
Institutional positions in Net Power Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 114
- +18 vs. Q3 2025
- Shares held
- 33.4M
- +1.04M (+3.2%) vs. Q3 2025
- Total value
- $76.1M
- −$21.2M (−21.8%) vs. Q3 2025
- New holders
- 28
- 25 more added
- Sold out
- 10
- 39 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 120 | $64.1M |
| Q1 2026 | 113 | $55.0M |
| Q4 2025 | 114 | $76.1M |
| Q3 2025 | 100 | $97.7M |
| Q2 2025 | 94 | $74.6M |
| Q1 2025 | 108 | $81.4M |
| Q4 2024 | 113 | $335.8M |
| Q3 2024 | 89 | $215.2M |
| Q2 2024 | 93 | $292.4M |
| Q1 2024 | 77 | $307.6M |
| Q4 2023 | 70 | $337.7M |
| Q3 2023 | 58 | $486.7M |
| Q2 2023 | 42 | $238.5M |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Share Andrew L. | 9,767,500 | $22.3M | 11.25% | −170,000−1.7% | Reduced |
| Millennium Management LLC | 2,276,592 | $5.19M | 0.00% | −88,654−3.7% | Reduced |
| Vanguard Group Inc | 2,017,263 | $4.60M | 0.00% | +231,669+13.0% | Added |
| BlackRock, Inc. | 1,995,226 | $4.55M | 0.00% | −52,554−2.6% | Reduced |
| CenterBook Partners LP | 1,848,073 | $4.21M | 0.21% | +599,725+48.0% | Added |
| Adage Capital Partners GP, L.L.C. | 1,540,000 | $3.51M | 0.01% | −969,868−38.6% | Reduced |
| Sourcerock Group LLC | 1,496,482 | $3.41M | 0.20% | +1,496,482 | New |
| PEAK6 LLC | 1,347,039 | $3.07M | 0.08% | +1,347,039 | New |
| Cohen & Steers, Inc. | 944,587 | $2.15M | 0.00% | −6,124−0.6% | Reduced |
| Geode Capital Management, LLC | 831,547 | $1.90M | 0.00% | −42,972−4.9% | Reduced |
| HITE Hedge Asset Management LLC | 749,091 | $1.71M | 0.11% | −227,337−23.3% | Reduced |
| Two Sigma Investments, LP | 728,459 | $1.66M | 0.00% | −93,334−11.4% | Reduced |
| Jane Street Group, LLC | 720,560 | $1.64M | 0.00% | +451,765+168.1% | Added |
| Nuveen, LLC | 702,391 | $1.60M | 0.00% | 00.0% | Unchanged |
| State Street Corp | 603,694 | $1.38M | 0.00% | +9,001+1.5% | Added |
| Empowered Funds, LLC | 444,734 | $1.01M | 0.02% | +221,530+99.3% | Added |
| Morgan Stanley | 303,697 | $692.4K | 0.00% | −632,671−67.6% | Reduced |
| Goldman Sachs Group Inc | 303,662 | $692.3K | 0.00% | +25,237+9.1% | Added |
| Boothbay Fund Management, LLC | 300,545 | $685.2K | 0.02% | +300,545 | New |
| Wellington Management Group LLP | 274,327 | $625.5K | 0.00% | −242,181−46.9% | Reduced |
| Charles Schwab Investment Management Inc | 268,044 | $611.1K | 0.00% | −247−0.1% | Reduced |
| Argentarii, LLC | 263,507 | $600.8K | 0.20% | +212,142+413.0% | Added |
| Northern Trust Corp | 254,014 | $579.2K | 0.00% | −1,903−0.7% | Reduced |
| Susquehanna International Group, LLP | 241,899 | $551.5K | 0.00% | −181,458−42.9% | Reduced |
| Point72 Asset Management, L.P. | 240,972 | $549.4K | 0.00% | +240,972 | New |
| Toroso Investments, LLC | 234,245 | $534.1K | 0.00% | +148,243+172.4% | Added |
| Shelton Capital Management | 200,300 | $456.7K | 0.01% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 187,666 | $428.0K | 0.00% | −149,166−44.3% | Reduced |
| Janney Montgomery Scott LLC | 120,649 | $275.0K | 0.00% | +110,649+1,106.5% | Added |
| SIR Capital Management, L.P. | 103,178 | $235.2K | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 102,400 | $233.5K | 0.00% | −139,500−57.7% | Reduced |
| Alliancebernstein L.P. | 101,680 | $231.8K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 94,600 | $215.7K | 0.00% | +94,600 | New |
| Caption Management, LLC | 86,228 | $196.6K | 0.01% | −259,244−75.0% | Reduced |
| Moore Capital Management, LP | 85,000 | $193.8K | 0.00% | −15,000−15.0% | Reduced |
| Tudor Investment Corp Et Al | 84,887 | $193.5K | 0.00% | +84,887 | New |
| Bank of New York Mellon Corp | 84,167 | $191.9K | 0.00% | −7,193−7.9% | Reduced |
| Worth Venture Partners, LLC | 80,250 | $183.0K | 1.32% | +10,875+15.7% | Added |
| Federated Hermes, Inc. | 79,026 | $180.2K | 0.00% | +49,063+163.7% | Added |
| D. E. Shaw & Co., Inc. | 77,681 | $177.1K | 0.00% | +1,671+2.2% | Added |
| UBS Group AG | 64,496 | $147.1K | 0.00% | −365,956−85.0% | Reduced |
| Quantbot Technologies LP | 60,215 | $137.3K | 0.00% | +47,242+364.2% | Added |
| Graham Capital Management, L.P. | 59,786 | $136.3K | 0.00% | +59,786 | New |
| AQR Capital Management LLC | 56,598 | $129.0K | 0.00% | +19,149+51.1% | Added |
| Atom Investors LP | 55,094 | $125.6K | 0.01% | +55,094 | New |
| Barclays PLC | 54,750 | $124.8K | 0.00% | +6,970+14.6% | Added |
| Wells Fargo & Company | 49,245 | $112.3K | 0.00% | +17,931+57.3% | Added |
| XTX Topco Ltd | 48,802 | $111.3K | 0.00% | −35,950−42.4% | Reduced |
| Rhumbline Advisers | 44,128 | $100.6K | 0.00% | −1,204−2.7% | Reduced |
| Advisor Group Holdings, Inc. | 42,235 | $96.3K | 0.00% | −3,601−7.9% | Reduced |
| Polymer Capital Management (US) LLC | 42,155 | $96.1K | 0.01% | +42,155 | New |
| LPL Financial LLC | 40,775 | $93.0K | 0.00% | −1,500−3.5% | Reduced |
| JPMorgan Chase & Co | 32,809 | $74.8K | 0.00% | −180,120−84.6% | Reduced |
| Engineers Gate Manager LP | 32,522 | $74.2K | 0.00% | −6,951−17.6% | Reduced |
| Sig Brokerage, LP | 31,942 | $72.8K | 0.02% | +7,644+31.5% | Added |
| Verition Fund Management LLC | 30,321 | $69.1K | 0.00% | +2,984+10.9% | Added |
| Kovitz Investment Group Partners, LLC | 26,380 | $60.1K | 0.00% | −12,120−31.5% | Reduced |
| Family Management Corp | 26,222 | $59.8K | 0.01% | +26,222 | New |
| Bank of America Corp | 25,049 | $57.1K | 0.00% | −128,245−83.7% | Reduced |
| Jain Global LLC | 25,029 | $57.1K | 0.00% | +25,029 | New |
| Group One Trading, L.P. | 22,985 | $52.4K | 0.00% | −188,610−89.1% | Reduced |
| Two Sigma Securities, LLC | 21,454 | $48.9K | 0.01% | +21,454 | New |
| Deutsche Bank AG | 19,565 | $44.6K | 0.00% | 00.0% | Unchanged |
| Thompson Davis & Co., Inc. | 18,111 | $41.3K | 0.02% | +18,111 | New |
| Integrity Alliance, LLC. | 17,400 | $39.7K | 0.00% | +17,400 | New |
| Kapstone Financial Advisors LLC | 17,395 | $39.7K | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 17,028 | $39.0K | 0.00% | 00.0% | Unchanged |
| Legacy Advisors, LLC | 16,393 | $37.4K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 14,734 | $33.6K | 0.00% | −2,311−13.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,629 | $33.4K | 0.00% | −1,113−7.1% | Reduced |
| SEI Investments Co | 12,854 | $29.3K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 11,583 | $26.4K | 0.00% | −275−2.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 11,179 | $25.5K | 0.00% | +11,179 | New |
| Captrust Financial Advisors | 10,014 | $22.8K | 0.00% | +10,014 | New |
| Truist Financial Corp | 10,000 | $22.8K | 0.00% | 00.0% | Unchanged |
| LMR Partners LLP | 9,051 | $20.6K | 0.00% | +9,051 | New |
| Tower Research Capital LLC (TRC) | 7,174 | $16.4K | 0.00% | −5,065−41.4% | Reduced |
| Nisa Investment Advisors, LLC | 7,020 | $16.0K | 0.00% | −806−10.3% | Reduced |
| Quest Partners LLC | 6,275 | $14.3K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,053 | $12.0K | 0.00% | −31,235−86.1% | Reduced |
| New York State Common Retirement Fund | 5,100 | $11.6K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 5,000 | $11.4K | 0.00% | 00.0% | Unchanged |
| Strive Financial Group ,LLC | 5,000 | $11.4K | 0.01% | +5,000 | New |
| FMR LLC | 4,948 | $11.3K | 0.00% | +3,473+235.5% | Added |
| Russell Investments Group, Ltd. | 4,876 | $11.1K | 0.00% | +68+1.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,252 | $9.70K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 3,213 | $7.33K | 0.00% | +3,213 | New |
| Legal & General Group Plc | 3,095 | $7.06K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 3,077 | $7.02K | 0.00% | −200−6.1% | Reduced |
| CWM, LLC | 2,852 | $7.00K | 0.00% | +1,353+90.3% | Added |
| Eq Wealth Advisors, LLC | 2,786 | $6.35K | 0.00% | +2,786 | New |
| Ameritas Investment Partners, Inc. | 2,072 | $4.72K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,929 | $4.40K | 0.00% | +396+25.8% | Added |
| Sterling Capital Management LLC | 1,812 | $4.13K | 0.00% | −531−22.7% | Reduced |
| Ronald Blue Trust, Inc. | 1,390 | $3.17K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,340 | $3.06K | 0.00% | 00.0% | Unchanged |
| McMillan Office, Inc. | 1,000 | $2.28K | 0.00% | +1,000 | New |
| Citigroup Inc | 901 | $2.05K | 0.00% | −860−48.8% | Reduced |
| Amalgamated Bank | 988 | $2.00K | 0.00% | +256+35.0% | Added |
| Optiver Holding B.V. | 604 | $1.38K | 0.00% | 00.0% | Unchanged |