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, Q3 2025
Institutional positions in Net Power Inc. as of Sep 30, 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
- 100
- +6 vs. Q2 2025
- Shares held
- 32.5M
- +2.28M (+7.6%) vs. Q2 2025
- Total value
- $97.7M
- +$23.2M (+31.1%) vs. Q2 2025
- New holders
- 18
- 33 more added
- Sold out
- 12
- 26 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Share Andrew L. | 9,937,500 | $29.9M | 20.69% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 2,509,868 | $7.55M | 0.01% | −330,132−11.6% | Reduced |
| Millennium Management LLC | 2,365,246 | $7.12M | 0.01% | +1,206,450+104.1% | Added |
| BlackRock, Inc. | 2,047,780 | $6.16M | 0.00% | +45,667+2.3% | Added |
| Vanguard Group Inc | 1,785,594 | $5.37M | 0.00% | −580,577−24.5% | Reduced |
| CenterBook Partners LP | 1,248,348 | $3.76M | 0.19% | +550,270+78.8% | Added |
| HITE Hedge Asset Management LLC | 976,428 | $2.94M | 0.16% | −701,679−41.8% | Reduced |
| Cohen & Steers, Inc. | 950,711 | $2.86M | 0.01% | −4,893−0.5% | Reduced |
| Morgan Stanley | 936,368 | $2.82M | 0.00% | +613,286+189.8% | Added |
| Geode Capital Management, LLC | 874,519 | $2.63M | 0.00% | +33,459+4.0% | Added |
| Two Sigma Investments, LP | 821,793 | $2.47M | 0.00% | +220,831+36.7% | Added |
| Nuveen, LLC | 702,391 | $2.11M | 0.00% | 00.0% | Unchanged |
| State Street Corp | 594,693 | $1.79M | 0.00% | +22,124+3.9% | Added |
| Wellington Management Group LLP | 516,508 | $1.55M | 0.00% | +22,159+4.5% | Added |
| UBS Group AG | 430,452 | $1.30M | 0.00% | +278,400+183.1% | Added |
| Susquehanna International Group, LLP | 423,357 | $1.27M | 0.00% | −104,536−19.8% | Reduced |
| Caption Management, LLC | 345,472 | $1.04M | 0.06% | −56,427−14.0% | Reduced |
| Dimensional Fund Advisors LP | 336,832 | $1.01M | 0.00% | −46,298−12.1% | Reduced |
| Walleye Capital LLC | 284,932 | $857.6K | 0.01% | +284,932 | New |
| Goldman Sachs Group Inc | 278,425 | $838.1K | 0.00% | +253,508+1,017.4% | Added |
| Jane Street Group, LLC | 268,795 | $809.1K | 0.00% | +268,795 | New |
| Charles Schwab Investment Management Inc | 268,291 | $807.6K | 0.00% | −5,820−2.1% | Reduced |
| Northern Trust Corp | 255,917 | $770.3K | 0.00% | −21,452−7.7% | Reduced |
| Two Sigma Advisers, LP | 241,900 | $728.1K | 0.00% | +84,700+53.9% | Added |
| Empowered Funds, LLC | 223,204 | $671.8K | 0.01% | +223,204 | New |
| JPMorgan Chase & Co | 212,929 | $640.9K | 0.00% | +196,882+1,226.9% | Added |
| Group One Trading, L.P. | 211,595 | $636.9K | 0.02% | +109,712+107.7% | Added |
| Shelton Capital Management | 200,300 | $602.9K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 153,294 | $461.4K | 0.00% | +129,889+555.0% | Added |
| G.F.W. Energy XII, L.P. | 118,729 | $357.4K | 89.04% | 00.0% | Unchanged |
| Ardsley Advisory Partners LP | 107,817 | $324.5K | 0.05% | +107,817 | New |
| HRT Financial LP | 105,663 | $318.0K | 0.00% | +105,663 | New |
| SIR Capital Management, L.P. | 103,178 | $310.6K | 0.03% | −196,900−65.6% | Reduced |
| Alliancebernstein L.P. | 101,680 | $306.1K | 0.00% | +10,200+11.1% | Added |
| Moore Capital Management, LP | 100,000 | $301.0K | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 98,700 | $297.1K | 0.00% | −70,707−41.7% | Reduced |
| Bank of New York Mellon Corp | 91,360 | $275.0K | 0.00% | +8,944+10.9% | Added |
| Toroso Investments, LLC | 86,002 | $258.9K | 0.00% | +86,002 | New |
| XTX Topco Ltd | 84,752 | $255.1K | 0.01% | −26,860−24.1% | Reduced |
| D. E. Shaw & Co., Inc. | 76,010 | $228.8K | 0.00% | +48,610+177.4% | Added |
| Citadel Advisors LLC | 73,044 | $219.9K | 0.00% | +73,044 | New |
| Worth Venture Partners, LLC | 69,375 | $208.8K | 0.61% | +69,375 | New |
| Argentarii, LLC | 51,365 | $154.6K | 0.07% | +24,580+91.8% | Added |
| Barclays PLC | 47,780 | $143.8K | 0.00% | −15,745−24.8% | Reduced |
| Simplex Trading, LLC | 47,571 | $143.0K | 0.00% | +13,339+39.0% | Added |
| Rhumbline Advisers | 45,332 | $136.4K | 0.00% | −3,047−6.3% | Reduced |
| Advisor Group Holdings, Inc. | 45,836 | $132.2K | 0.00% | +20,594+81.6% | Added |
| LPL Financial LLC | 42,275 | $127.2K | 0.00% | −610−1.4% | Reduced |
| Engineers Gate Manager LP | 39,473 | $118.8K | 0.00% | −6,960−15.0% | Reduced |
| Kovitz Investment Group Partners, LLC | 38,500 | $115.9K | 0.00% | +15,500+67.4% | Added |
| AQR Capital Management LLC | 37,449 | $112.7K | 0.00% | +14,073+60.2% | Added |
| Royal Bank of Canada | 36,288 | $109.0K | 0.00% | +22,420+161.7% | Added |
| SG Americas Securities, LLC | 34,911 | $105.0K | 0.00% | +34,911 | New |
| Wells Fargo & Company | 31,314 | $94.3K | 0.00% | −20,831−39.9% | Reduced |
| Stonegate Investment Group, LLC | 30,000 | $90.3K | 0.00% | +5,000+20.0% | Added |
| Federated Hermes, Inc. | 29,963 | $90.2K | 0.00% | −31,159−51.0% | Reduced |
| Verition Fund Management LLC | 27,337 | $82.3K | 0.00% | −67,132−71.1% | Reduced |
| Sig Brokerage, LP | 24,298 | $73.1K | 0.02% | +8,130+50.3% | Added |
| Deutsche Bank AG | 19,565 | $58.9K | 0.00% | +5,514+39.2% | Added |
| Kapstone Financial Advisors LLC | 17,395 | $52.4K | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 17,028 | $52.0K | 0.00% | +5,268+44.8% | Added |
| Intech Investment Management LLC | 17,045 | $51.3K | 0.00% | −2,496−12.8% | Reduced |
| Legacy Advisors, LLC | 16,393 | $49.3K | 0.01% | +16,393 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 15,742 | $47.4K | 0.00% | −2,783−15.0% | Reduced |
| Quantbot Technologies LP | 12,973 | $39.0K | 0.00% | +12,973 | New |
| SEI Investments Co | 12,854 | $38.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 12,239 | $36.8K | 0.00% | −435−3.4% | Reduced |
| Invesco Ltd. | 11,858 | $35.7K | 0.00% | +1,750+17.3% | Added |
| Sanctuary Advisors, LLC | 10,735 | $32.3K | 0.00% | +10,735 | New |
| Truist Financial Corp | 10,000 | $30.1K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 10,000 | $30.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 7,826 | $23.6K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 6,275 | $18.9K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 5,100 | $15.4K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 5,000 | $15.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 4,808 | $14.5K | 0.00% | +2,882+149.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,252 | $12.8K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 3,277 | $9.93K | 0.00% | +2,000+156.6% | Added |
| Legal & General Group Plc | 3,095 | $9.32K | 0.00% | 00.0% | Unchanged |
| West Oak Capital, LLC | 2,500 | $7.50K | 0.00% | +2,500 | New |
| Sterling Capital Management LLC | 2,343 | $7.05K | 0.00% | +1,750+295.1% | Added |
| Ameritas Investment Partners, Inc. | 2,072 | $6.24K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,761 | $5.30K | 0.00% | −10,813−86.0% | Reduced |
| CWM, LLC | 1,499 | $5.00K | 0.00% | +230+18.1% | Added |
| California State Teachers Retirement System | 1,533 | $4.61K | 0.00% | +1+0.1% | Added |
| FMR LLC | 1,475 | $4.44K | 0.00% | −432−22.7% | Reduced |
| Ronald Blue Trust, Inc. | 1,390 | $4.18K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,340 | $4.03K | 0.00% | 00.0% | Unchanged |
| Promus Capital, LLC | 718 | $2.16K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 732 | $2.00K | 0.00% | 00.0% | Unchanged |
| Capital Analysts, LLC | 522 | $2.00K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 604 | $1.82K | 0.00% | +604 | New |
| Farther Finance Advisors, LLC | 347 | $1.04K | 0.00% | +347 | New |
| Fortitude Family Office, LLC | 298 | $897 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 171 | $515 | 0.00% | −132−43.6% | Reduced |
| Rockefeller Capital Management L.P. | 110 | $331 | 0.00% | +110 | New |
| Versant Capital Management, Inc | 103 | $310 | 0.00% | +103 | New |
| Private Wealth Management Group, LLC | 50 | $151 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 4 | $13 | 0.00% | +4 | New |
| SBI Securities Co., Ltd. | 2 | $6 | 0.00% | −5−71.4% | Reduced |