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