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
Q3 2025 vs. Q2 2025
How the institutions holding Net Power Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 94 | 100 | +6 |
| Shares | 30.2M | 32.5M | +2.28M (+7.6%) |
| Value | $74.6M | $97.7M | +$23.2M (+31.1%) |
New holders (18)
Institutions that held Net Power Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Walleye Capital LLC | 284,932 | $857.6K | 0.01% |
| Jane Street Group, LLC | 268,795 | $809.1K | 0.00% |
| Empowered Funds, LLC | 223,204 | $671.8K | 0.01% |
| Ardsley Advisory Partners LP | 107,817 | $324.5K | 0.05% |
| HRT Financial LP | 105,663 | $318.0K | 0.00% |
| Toroso Investments, LLC | 86,002 | $258.9K | 0.00% |
| Citadel Advisors LLC | 73,044 | $219.9K | 0.00% |
| Worth Venture Partners, LLC | 69,375 | $208.8K | 0.61% |
| SG Americas Securities, LLC | 34,911 | $105.0K | 0.00% |
| Legacy Advisors, LLC | 16,393 | $49.3K | 0.01% |
| Quantbot Technologies LP | 12,973 | $39.0K | 0.00% |
| Sanctuary Advisors, LLC | 10,735 | $32.3K | 0.00% |
| West Oak Capital, LLC | 2,500 | $7.50K | 0.00% |
| Optiver Holding B.V. | 604 | $1.82K | 0.00% |
| Farther Finance Advisors, LLC | 347 | $1.04K | 0.00% |
| Rockefeller Capital Management L.P. | 110 | $331 | 0.00% |
| Versant Capital Management, Inc | 103 | $310 | 0.00% |
| Allworth Financial LP | 4 | $13 | 0.00% |
Sold out (12)
Institutions that held Net Power Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| J. Goldman & Co LP | 271,473 | $670.5K |
| S&CO Inc | 188,000 | $464.0K |
| Point72 Asset Management, L.P. | 52,527 | $129.7K |
| Cubist Systematic Strategies, LLC | 42,275 | $104.4K |
| Axq Capital, LP | 38,401 | $94.8K |
| Omers Administration Corp | 36,400 | $89.9K |
| Wolverine Trading, LLC | 28,373 | $70.4K |
| Toronto Dominion Bank | 10,000 | $24.7K |
| Raymond James Financial Inc | 8,583 | $21.2K |
| Eq Wealth Advisors, LLC | 5,067 | $12.5K |
| Concorde Financial Corp | 1,000 | $2.47K |
| PEAK6 LLC | 1 | $2 |