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 2024
Institutional positions in Net Power Inc. as of Dec 31, 2024. 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
- +28 vs. Q3 2024
- Shares held
- 31.7M
- +2.34M (+8.0%) vs. Q3 2024
- Total value
- $335.8M
- +$129.9M (+63.1%) vs. Q3 2024
- New holders
- 34
- 40 more added
- Sold out
- 6
- 21 more reduced
4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 541,477 | $5.73M | 0.00% | +172,196+46.6% | Added |
| Arosa Capital Management LP | 583,837 | $6.18M | 4.06% | +394,937+209.1% | Added |
| Citadel Advisors LLC | 644,652 | $6.83M | 0.01% | +327,431+103.2% | Added |
| Geode Capital Management, LLC | 658,563 | $6.98M | 0.00% | +11,979+1.9% | Added |
| Wellington Management Group LLP | 692,189 | $7.33M | 0.00% | −58,418−7.8% | Reduced |
| Cohen & Steers, Inc. | 936,011 | $9.91M | 0.02% | +6,028+0.6% | Added |
| Khrom Capital Management LLC | 1,084,705 | $11.5M | 1.30% | −265,646−19.7% | Reduced |
| Summit Partners Public Asset Management, LLC | 1,450,000 | $15.4M | 0.51% | +450,000+45.0% | Added |
| BlackRock, Inc. | 1,574,580 | $16.7M | 0.00% | +83,373+5.6% | Added |
| Kensico Capital Management Corp | 1,743,500 | $18.5M | 0.42% | −27,300−1.5% | Reduced |
| Encompass Capital Advisors LLC | 2,497,413 | $26.4M | 1.13% | −16,112−0.6% | Reduced |
| Vanguard Group Inc | 2,865,402 | $30.3M | 0.00% | +332,554+13.1% | Added |
| Share Andrew L. | 9,937,500 | $105.2M | 47.74% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −42,958−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −13,400−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −11,669−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −10,030−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −570−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Baker Hughes Holdings LLC | – | – | – | – | Not filed |
| Rosenbaum Jay D. | – | – | – | – | Not filed |
| Berylson Capital Partners, LLC | – | – | – | – | Not filed |
| Raymond James Financial Services Advisors, Inc. | – | – | – | – | Not filed |