Who Owns NET POWER INC (NPWR)? -- Institutional Holders (2026-06-30)
128 institutions reported holding $67.8M of NET POWER INC (NPWR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Share Andrew L. ($16.3M), PEAK6 LLC ($5.7M), HITE Hedge Asset Management LLC ($4.8M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($4.7M), VANGUARD GROUP INC ($4.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Share Andrew L. | $16.3M | 9.8M | Hold |
| 2 | PEAK6 LLC | $5.7M | 3.4M | Added |
| 3 | HITE Hedge Asset Management LLC | $4.8M | 2.9M | Added |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $4.7M | 2.8M | Added |
| 5 | VANGUARD GROUP INC | $4.0M | 2.4M | Added |
| 6 | BlackRock, Inc. | $4.0M | 2.4M | Added |
| 7 | Defiance ETFs, LLC | $2.6M | 1.6M | Added |
| 8 | Tidal Investments LLC | $2.6M | 1.5M | Added |
| 9 | Sourcerock Group LLC | $2.3M | 1.4M | Trimmed |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $1.7M | 1.0M | Added |
| 11 | COHEN & STEERS, INC. | $1.5M | 888,954 | Trimmed |
| 12 | GSA CAPITAL PARTNERS LLP | $1.4M | 851,296 | Added |
| 13 | Argentarii, LLC | $1.2M | 746,799 | Trimmed |
| 14 | TWO SIGMA INVESTMENTS, LP | $1.1M | 660,570 | Trimmed |
| 15 | STATE STREET CORP | $1.0M | 624,238 | Added |
| 16 | UBS Group AG | $1.0M | 610,961 | Added |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $817,510 | 489,527 | Added |
| 18 | D. E. Shaw & Co., Inc. | $688,878 | 412,502 | Added |
| 19 | TUDOR INVESTMENT CORP ET AL | $663,850 | 397,515 | Trimmed |
| 20 | AQR CAPITAL MANAGEMENT LLC | $643,422 | 385,283 | Added |
| 21 | RENAISSANCE TECHNOLOGIES LLC | $591,524 | 354,206 | Trimmed |
| 22 | NORTHERN TRUST CORP | $559,139 | 334,814 | Added |
| 23 | Nuveen, LLC | $482,423 | 288,876 | Trimmed |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $481,421 | 288,276 | Added |
| 25 | Sixth Street Partners Management Company, L.P. | $481,421 | 288,276 | New |
Source: SEC Form 13F filings · as of 2026-06-30