Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
NPWR holding history
Net Power Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
NPWR overviewAll 13F holders of NPWRFull Q2 2026 holdings
- Shares (Q2 2026)
- 77,604
- Value
- $129.6K
- % of portfolio
- <0.1%
- Quarters held
- 7
- Since Q1 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 77,604 | $129.6K | <0.1% | +77,604 | New | Holders |
| Q4 2025 | 0 | $0 | 0.0% | −47,571−100.0% | Sold out | Holders |
| Q3 2025 | 47,571 | $143.0K | <0.1% | +13,339+39.0% | Added | Holders |
| Q2 2025 | 34,232 | $84.0K | <0.1% | +25,560+294.7% | Added | Holders |
| Q1 2025 | 8,672 | $22.0K | <0.1% | −19,715−69.5% | Reduced | Holders |
| Q4 2024 | 28,387 | $300.0K | <0.1% | +28,387 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −4,800−100.0% | Sold out | Holders |
| Q2 2024 | 4,800 | $47.0K | <0.1% | −3,787−44.1% | Reduced | Holders |
| Q1 2024 | 8,587 | $97.0K | <0.1% | +8,587 | New | Holders |