NET POWER INC (NPWRWS)
Institutional ownership reported to the SEC as of Q2 2026, across 13 quarters.
25
Reporting holders
$3.5M
Reported value
10.6%
Held as options
-2
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Share Andrew L. | $1.5M | 5,342,547 | 0.80% | 13q | HELD |
| LMR Partners LLP | $494.5K | 1,705,116 | 0.00% | 10q | +0.8%+$3.9K |
| ZAZOVE ASSOCIATES LLC | $475.4K | 1,533,692 | 0.04% | 12q | HELD |
| SIMPLEX TRADING, LLC | $132.3K | options only | 0.00% | 11q | OPTIONS |
| KENSICO CAPITAL MANAGEMENT CORP | $131.6K | 453,800 | 0.00% | 13q | HELD |
| BOOTHBAY FUND MANAGEMENT, LLC | $129.2K | 77,370 | 0.00% | 7q | HELD |
| GROUP ONE TRADING LLC | $96.0K | options only | 0.00% | 7q | OPTIONS |
| IMC-Chicago, LLC | $80.8K | options only | 0.00% | 2q | OPTIONS |
| TORONTO DOMINION BANK | $80.6K | 278,099 | 0.00% | 5q | HELD |
| MILLENNIUM MANAGEMENT LLC | $63.4K | options only | 0.00% | 13q | OPTIONS |
| Saba Capital Management, L.P. | $56.1K | 180,984 | 0.00% | 8q | HELD |
| WOLVERINE ASSET MANAGEMENT LLC | $49.0K | 168,890 | 0.00% | 13q | +35.2%+$12.8K |
| ARISTEIA CAPITAL, L.L.C. | $34.7K | 111,888 | 0.00% | 7q | HELD |
| Caption Management, LLC | $33.2K | 114,375 | 0.00% | 4q | HELD |
| Arosa Capital Management LP | $30.8K | 106,249 | 0.01% | 13q | HELD |
| MOORE CAPITAL MANAGEMENT, LP | $29.0K | 100,000 | 0.00% | 13q | HELD |
| K2 PRINCIPAL FUND, L.P. | $13.4K | 46,181 | 0.00% | 7q | HELD |
| Thomas J. Herzfeld Advisors, Inc. | $9.5K | 32,771 | 0.00% | 13q | HELD |
| Ionic Capital Management LLC | $8.4K | 29,036 | 0.00% | 6q | -82.8%-$40.6K |
| Teilinger Capital Ltd. | $7.2K | 25,000 | 0.00% | 13q | HELD |
| D. E. Shaw & Co., Inc. | $4.4K | 15,032 | 0.00% | 13q | HELD |
| Dynamic Advisor Solutions LLC | $3.0K | 10,400 | 0.00% | 5q | HELD |
| UBS Group AG | $137 | 474 | 0.00% | 3q | -94.9%-$2.6K |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $109 | 375 | 0.00% | 13q | HELD |
| Clear Street Group Inc. | $58 | 200 | 0.00% | 3q | HELD |
| COHEN & STEERS, INC. | $53 | 182,834 | 0.00% | 13q | -5.6% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 25 | $3.5M | 10,332,479 | 0 | 2 | 2 | 10.6% |
| Q1 2026 | 27 | $3.1M | 8,946,831 | 3 | 3 | 2 | 19.1% |
| Q4 2025 | 26 | $6.1M | 10,436,195 | 2 | 3 | 5 | 11.0% |
| Q3 2025 | 26 | $8.5M | 10,337,661 | 2 | 2 | 5 | 6.3% |
| Q2 2025 | 26 | $4.0M | 10,415,944 | 3 | 3 | 2 | 8.1% |
| Q1 2025 | 27 | $3.7M | 10,422,985 | 3 | 6 | 3 | 9.0% |
| Q4 2024 | 26 | $37.9M | 9,584,768 | 6 | 1 | 4 | 8.0% |
| Q3 2024 | 27 | $11.1M | 8,789,267 | 1 | 2 | 7 | 6.3% |
| Q2 2024 | 29 | $25.5M | 10,519,553 | 2 | 5 | 4 | 2.8% |
| Q1 2024 | 29 | $29.1M | 10,563,446 | 5 | 4 | 4 | 3.6% |
| Q4 2023 | 29 | $19.5M | 8,098,056 | 5 | 5 | 3 | 4.1% |
| Q3 2023 | 29 | $42.3M | 9,126,502 | 3 | 6 | 6 | 3.7% |
| Q2 2023 | 33 | $14.0M | 3,436,957 | 32 | 0 | 0 | 9.9% |