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, Q1 2026
Institutional positions in Net Power Inc. as of Mar 31, 2026. 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
- 113
- 0 vs. Q4 2025
- Shares held
- 35.2M
- +3.87M (+12.3%) vs. Q4 2025
- Total value
- $55.0M
- −$16.5M (−23.0%) vs. Q4 2025
- New holders
- 18
- 39 more added
- Sold out
- 18
- 31 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Share Andrew L. | 9,767,500 | $15.2M | 7.11% | 00.0% | Unchanged |
| HITE Hedge Asset Management LLC | 2,763,424 | $4.31M | 0.24% | +2,014,333+268.9% | Added |
| BlackRock, Inc. | 2,142,916 | $3.34M | 0.00% | +147,690+7.4% | Added |
| PEAK6 LLC | 1,988,215 | $3.10M | 0.09% | +641,176+47.6% | Added |
| Vanguard Capital Management LLC | 1,643,795 | $2.56M | 0.00% | +1,643,795 | New |
| Adage Capital Partners GP, L.L.C. | 1,540,000 | $2.40M | 0.00% | 00.0% | Unchanged |
| Sourcerock Group LLC | 1,504,126 | $2.35M | 0.10% | +7,644+0.5% | Added |
| Two Sigma Investments, LP | 1,080,281 | $1.69M | 0.00% | +351,822+48.3% | Added |
| Cohen & Steers, Inc. | 892,140 | $1.39M | 0.00% | −52,447−5.6% | Reduced |
| Geode Capital Management, LLC | 860,386 | $1.34M | 0.00% | +28,839+3.5% | Added |
| Argentarii, LLC | 748,649 | $1.17M | 0.41% | +485,142+184.1% | Added |
| Nuveen, LLC | 713,760 | $1.11M | 0.00% | +11,369+1.6% | Added |
| Renaissance Technologies LLC | 703,800 | $1.10M | 0.00% | +609,200+644.0% | Added |
| Millennium Management LLC | 682,705 | $1.07M | 0.00% | −1,593,887−70.0% | Reduced |
| State Street Corp | 613,534 | $957.1K | 0.00% | +9,840+1.6% | Added |
| Toroso Investments, LLC | 533,253 | $831.9K | 0.00% | +299,008+127.6% | Added |
| Defiance ETFs, LLC | 533,253 | $831.9K | 0.01% | +533,253 | New |
| CenterBook Partners LP | 437,771 | $682.9K | 0.04% | −1,410,302−76.3% | Reduced |
| Tudor Investment Corp Et Al | 431,153 | $672.6K | 0.00% | +346,266+407.9% | Added |
| UBS Group AG | 369,873 | $577.0K | 0.00% | +305,377+473.5% | Added |
| Boothbay Fund Management, LLC | 295,951 | $461.7K | 0.01% | −4,594−1.5% | Reduced |
| Northern Trust Corp | 292,024 | $455.6K | 0.00% | +38,010+15.0% | Added |
| Charles Schwab Investment Management Inc | 269,518 | $420.4K | 0.00% | +1,474+0.5% | Added |
| Vanguard Portfolio Management LLC | 264,699 | $412.9K | 0.00% | +264,699 | New |
| Goldman Sachs Group Inc | 260,565 | $406.5K | 0.00% | −43,097−14.2% | Reduced |
| Vanguard Fiduciary Trust Co | 249,023 | $388.5K | 0.00% | +249,023 | New |
| Federated Hermes, Inc. | 241,592 | $376.9K | 0.00% | +162,566+205.7% | Added |
| D. E. Shaw & Co., Inc. | 235,397 | $367.2K | 0.00% | +157,716+203.0% | Added |
| Citadel Advisors LLC | 218,981 | $341.6K | 0.00% | +218,981 | New |
| Shelton Capital Management | 200,300 | $312.5K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 186,240 | $291.0K | 0.02% | +186,240 | New |
| Susquehanna Fundamental Investments, LLC | 184,083 | $287.2K | 0.01% | +184,083 | New |
| Morgan Stanley | 183,795 | $286.7K | 0.00% | −119,902−39.5% | Reduced |
| Susquehanna International Group, LLP | 171,424 | $267.4K | 0.00% | −70,475−29.1% | Reduced |
| Squarepoint Ops LLC | 166,242 | $259.3K | 0.00% | +166,242 | New |
| Empowered Funds, LLC | 155,000 | $241.8K | 0.00% | −289,734−65.1% | Reduced |
| AQR Capital Management LLC | 153,493 | $239.4K | 0.00% | +96,895+171.2% | Added |
| Alliancebernstein L.P. | 101,680 | $231.8K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 133,000 | $207.0K | 0.00% | +12,351+10.2% | Added |
| SIR Capital Management, L.P. | 103,178 | $161.0K | 0.02% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 103,121 | $160.6K | 0.00% | −84,545−45.1% | Reduced |
| Moore Capital Management, LP | 85,000 | $132.6K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 84,046 | $131.1K | 0.00% | −121−0.1% | Reduced |
| Deutsche Bank AG | 54,177 | $84.5K | 0.00% | +34,612+176.9% | Added |
| LPL Financial LLC | 53,025 | $82.7K | 0.00% | +12,250+30.0% | Added |
| Jane Street Group, LLC | 52,548 | $82.0K | 0.00% | −668,012−92.7% | Reduced |
| Polymer Capital Management (US) LLC | 50,926 | $79.4K | 0.01% | +8,771+20.8% | Added |
| Rhumbline Advisers | 49,114 | $76.6K | 0.00% | +4,986+11.3% | Added |
| Advisor Group Holdings, Inc. | 40,985 | $63.9K | 0.00% | −1,250−3.0% | Reduced |
| Qube Research & Technologies Ltd | 36,577 | $57.1K | 0.00% | +36,577 | New |
| LMR Partners LLP | 35,872 | $56.0K | 0.00% | +26,821+296.3% | Added |
| Bank of America Corp | 35,083 | $54.7K | 0.00% | +10,034+40.1% | Added |
| Point72 Asset Management, L.P. | 34,091 | $53.2K | 0.00% | −206,881−85.9% | Reduced |
| Sig Brokerage, LP | 31,942 | $49.8K | 0.01% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 30,950 | $48.3K | 0.00% | −1,572−4.8% | Reduced |
| Wells Fargo & Company | 28,815 | $45.0K | 0.00% | −20,430−41.5% | Reduced |
| Family Management Corp | 26,233 | $40.9K | 0.00% | +110.0% | Added |
| Caption Management, LLC | 19,878 | $31.0K | 0.00% | −66,350−76.9% | Reduced |
| Oxford Asset Management LLP | 19,566 | $30.5K | 0.01% | +19,566 | New |
| Clear Street Markets LLC | 19,263 | $30.1K | 0.01% | +19,263 | New |
| Integrity Alliance, LLC. | 17,400 | $27.1K | 0.00% | 00.0% | Unchanged |
| Kapstone Financial Advisors LLC | 17,395 | $27.1K | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 17,028 | $27.0K | 0.00% | 00.0% | Unchanged |
| Legacy Advisors, LLC | 16,393 | $25.6K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 16,902 | $25.2K | 0.00% | −15,907−48.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,119 | $23.6K | 0.00% | +490+3.3% | Added |
| Group One Trading, L.P. | 14,767 | $23.0K | 0.00% | −8,218−35.8% | Reduced |
| Captrust Financial Advisors | 14,418 | $22.5K | 0.00% | +4,404+44.0% | Added |
| SEI Investments Co | 12,854 | $20.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 12,447 | $19.4K | 0.00% | +12,447 | New |
| Private Advisor Group, LLC | 12,200 | $19.0K | 0.00% | +12,200 | New |
| Vanguard Global Advisers, LLC | 12,172 | $19.0K | 0.00% | +12,172 | New |
| XTX Topco Ltd | 12,090 | $18.9K | 0.00% | −36,712−75.2% | Reduced |
| Invesco Ltd. | 11,284 | $17.6K | 0.00% | −299−2.6% | Reduced |
| Intech Investment Management LLC | 10,786 | $16.8K | 0.00% | −3,948−26.8% | Reduced |
| Tower Research Capital LLC (TRC) | 10,633 | $16.6K | 0.00% | +3,459+48.2% | Added |
| Truist Financial Corp | 10,000 | $15.6K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 9,199 | $14.3K | 0.00% | +6,347+222.5% | Added |
| Barclays PLC | 8,839 | $13.8K | 0.00% | −45,911−83.9% | Reduced |
| NBC Securities, Inc. | 6,340 | $9.89K | 0.00% | +5,000+373.1% | Added |
| New York State Common Retirement Fund | 5,100 | $7.96K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 5,000 | $7.80K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 4,468 | $7.00K | 0.00% | −585−11.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 4,252 | $6.63K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,095 | $4.83K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 3,077 | $4.80K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 2,812 | $4.39K | 0.00% | −2,064−42.3% | Reduced |
| Essential Partners LLC | 2,758 | $4.30K | 0.00% | +2,703+4,914.5% | Added |
| California State Teachers Retirement System | 2,298 | $3.58K | 0.00% | +369+19.1% | Added |
| Ameritas Investment Partners, Inc. | 2,072 | $3.23K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 2,042 | $3.19K | 0.00% | −2,906−58.7% | Reduced |
| Citigroup Inc | 1,586 | $2.47K | 0.00% | +685+76.0% | Added |
| Ronald Blue Trust, Inc. | 1,390 | $2.17K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,299 | $2.03K | 0.00% | −513−28.3% | Reduced |
| McMillan Office, Inc. | 1,000 | $1.56K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 928 | $1.45K | 0.00% | +781+531.3% | Added |
| Caitong International Asset Management Co., Ltd | 720 | $1.12K | 0.00% | −2,493−77.6% | Reduced |
| Capital Analysts, LLC | 522 | $1.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 431 | $672 | 0.00% | −6,589−93.9% | Reduced |
| Allworth Financial LP | 325 | $507 | 0.00% | +265+441.7% | Added |