Who Owns NET POWER INC (NPWRWS)? -- Institutional Holders (2026-06-30)
28 institutions reported holding $3.6M of NET POWER INC (NPWRWS) in SEC 13F filings for 2026-06-30. Largest institutional holders: Share Andrew L. ($1.5M), LMR Partners LLP ($494,484), ZAZOVE ASSOCIATES LLC ($475,445), SIMPLEX TRADING, LLC ($132,264), KENSICO CAPITAL MANAGEMENT CORP ($131,602). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Share Andrew L. | $1.5M | 5.3M | Hold |
| 2 | LMR Partners LLP | $494,484 | 1.7M | Added |
| 3 | ZAZOVE ASSOCIATES LLC | $475,445 | 1.5M | Trimmed |
| 4 | SIMPLEX TRADING, LLC | $132,264 | 79,200 | Trimmed |
| 5 | KENSICO CAPITAL MANAGEMENT CORP | $131,602 | 453,800 | Trimmed |
| 6 | BOOTHBAY FUND MANAGEMENT, LLC | $129,208 | 77,370 | Hold |
| 7 | GROUP ONE TRADING LLC | $96,025 | 57,500 | Trimmed |
| 8 | IMC-Chicago, LLC | $80,828 | 48,400 | Trimmed |
| 9 | TORONTO DOMINION BANK | $80,649 | 278,099 | Trimmed |
| 10 | MILLENNIUM MANAGEMENT LLC | $63,415 | 218,671 | Hold |
| 11 | Saba Capital Management, L.P. | $56,105 | 180,984 | Hold |
| 12 | COHEN & STEERS, INC. | $53,000 | 182,834 | Trimmed |
| 13 | WOLVERINE ASSET MANAGEMENT LLC | $48,978 | 168,890 | Added |
| 14 | ARISTEIA CAPITAL, L.L.C. | $34,685 | 111,888 | Hold |
| 15 | Caption Management, LLC | $33,169 | 114,375 | Hold |
| 16 | Arosa Capital Management LP | $30,812 | 106,249 | Hold |
| 17 | MOORE CAPITAL MANAGEMENT, LP | $29,000 | 100,000 | Hold |
| 18 | K2 PRINCIPAL FUND, L.P. | $13,392 | 46,181 | Hold |
| 19 | Thomas J. Herzfeld Advisors, Inc. | $9,504 | 32,771 | Hold |
| 20 | Ionic Capital Management LLC | $8,420 | 29,036 | Trimmed |
| 21 | Teilinger Capital Ltd. | $7,250 | 25,000 | Hold |
| 22 | D. E. Shaw & Co., Inc. | $4,359 | 15,032 | Hold |
| 23 | Dynamic Advisor Solutions LLC | $3,016 | 10,400 | Hold |
| 24 | UBS Group AG | $137 | 474 | Trimmed |
| 25 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $109 | 375 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30