Net PowerNPWR
13F holders, Q1 2026 (March 31)113holders −1
14new positions
16sold out
7famous investors
$1.56avg. 13F price*
At the end of Q1 2026, 113 institutions reported holding Net Power Inc. (NPWR) in their 13F filings, down 1 from Q4 2025. 14 opened new positions and 16 sold out. The largest holders were Share Andrew L. ($15.2M), HITE Hedge Asset Management LLC ($4.3M) and BlackRock, Inc. ($3.3M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Net Power Inc.
- CUSIP
- 64107A105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $2.2M |
| Exits | 16 | $1.5M |
All 13F filers, Q4 2025 → Q1 2026: 7,238,294 shares bought and 5,431,845 shares sold, net +1,806,449 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 113 holders
| Share Andrew L. | 7.16% | No change | 9,767,500 | $15.2M |
| HITE Hedge Asset Management LLC | 0.24% | Add +268.9% | 2,763,424 | $4.3M |
| BlackRock, Inc. | 0.00% | Add +7.4% | 2,142,916 | $3.3M |
| PEAK6 LLC | 0.09% | Add +47.6% | 1,988,215 | $3.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,643,795 | $2.6M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | No change | 1,540,000 | $2.4M |
| Sourcerock Group LLC | 0.10% | Add +0.5% | 1,504,126 | $2.3M |
| Two Sigma Investments, LP | 0.00% | Add +48.3% | 1,080,281 | $1.7M |
| Cohen & Steers, Inc. | 0.00% | Reduce -5.5% | 892,140 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Add +3.5% | 860,386 | $1.3M |
| Argentarii, LLC | 0.41% | Add +184.1% | 748,649 | $1.2M |
| Nuveen, LLC | 0.00% | Add +1.6% | 713,760 | $1.1M |
| Renaissance Technologies | 0.00% | Add +644.0% | 703,800 | $1.1M |
| Millennium Management | 0.00% | Reduce -70.0% | 682,705 | $1.1M |
| State Street Corp. | 0.00% | Add +1.6% | 613,534 | $957K |
| Defiance ETFs, LLC | 0.01% | New | 533,253 | $832K |
| Tidal Investments LLC | 0.00% | Add +127.7% | 533,253 | $832K |
| CenterBook Partners LP | 0.04% | Reduce -76.3% | 437,771 | $683K |
| Tudor Investment Corporation | 0.00% | Add +407.9% | 431,153 | $673K |
| UBS Group AG | 0.00% | Add +473.5% | 369,873 | $577K |
| Boothbay Fund Management, LLC | 0.01% | Reduce -1.5% | 295,951 | $462K |
| Northern Trust Corp. | 0.00% | Add +15.0% | 292,024 | $456K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.6% | 269,518 | $420K |
| Vanguard Portfolio Management LLC | 0.00% | — | 264,699 | $413K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.2% | 260,565 | $406K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 249,023 | $388K |
| Federated Hermes, Inc. | 0.00% | Add +205.7% | 241,592 | $377K |
| D. E. Shaw & Co. | 0.00% | Add +203.0% | 235,397 | $367K |
| Citadel Advisors | 0.00% | New | 218,981 | $342K |
| Shelton Capital Management | 0.01% | No change | 200,300 | $312K |
| Gsa Capital Partners LLP | 0.02% | New | 186,240 | $291K |
| Susquehanna Fundamental Investments, LLC | 0.01% | New | 184,083 | $287K |
| Morgan Stanley | 0.00% | Reduce -39.5% | 183,795 | $287K |
| Susquehanna International Group, LLP | 0.00% | Reduce -29.1% | 171,424 | $267K |
| Squarepoint Ops LLC | 0.00% | New | 166,242 | $259K |
| Empowered Funds, LLC | 0.00% | Reduce -65.2% | 155,000 | $242K |
| AQR Capital Management | 0.00% | Add +171.2% | 153,493 | $239K |
| Alliancebernstein L.P. | 0.00% | No change | 101,680 | $232K |
| Janney Montgomery Scott LLC | 0.00% | Add +10.2% | 133,000 | $207K |
| SIR Capital Management, L.P. | 0.01% | No change | 103,178 | $161K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -45.0% | 103,121 | $161K |
| Moore Capital Management, LP | 0.01% | No change | 85,000 | $133K |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.1% | 84,046 | $131K |
| Deutsche Bank AG | 0.00% | Add +176.9% | 54,177 | $85K |
| LPL Financial LLC | 0.00% | Add +30.0% | 53,025 | $83K |
| Jane Street Group, LLC | 0.00% | Reduce -92.7% | 52,548 | $82K |
| Polymer Capital Management (US) LLC | 0.01% | Add +20.8% | 50,926 | $79K |
| Rhumbline Advisers | 0.00% | Add +11.3% | 49,114 | $77K |
| Osaic Holdings, Inc. | 0.00% | Reduce -3.0% | 40,985 | $64K |
| Qube Research & Technologies Ltd | 0.00% | New | 36,577 | $57K |
| LMR Partners LLP | 0.00% | Add +296.3% | 35,872 | $56K |
| Bank of America Corp. | 0.00% | Add +40.1% | 35,083 | $55K |
| Point72 Asset Management | 0.00% | Reduce -85.8% | 34,091 | $53K |
| Sig Brokerage, LP | 0.01% | No change | 31,942 | $50K |
| Engineers Gate Manager LP | 0.00% | Reduce -4.8% | 30,950 | $48K |
| Wells Fargo & Company | 0.00% | Reduce -41.5% | 28,815 | $45K |
| Family Manage LLC | 0.00% | Add +0.0% | 26,233 | $41K |
| Caption Management, LLC | 0.00% | Reduce -77.0% | 19,878 | $31K |
| Oxford Asset Management LLP | 0.01% | New | 19,566 | $31K |
| Summit Securities Group LLC | 0.01% | New | 19,263 | $30K |
| Integrity Alliance, Llc. | 0.00% | No change | 17,400 | $27K |
| Kapstone Financial Advisors LLC | 0.01% | No change | 17,395 | $27K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 17,028 | $27K |
| Legacy Advisors, LLC | 0.00% | No change | 16,393 | $26K |
| JPMorgan Chase & Co. | 0.00% | Reduce -48.5% | 16,902 | $25K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.4% | 15,119 | $24K |
| Group One Trading LLC | 0.00% | Reduce -35.8% | 14,767 | $23K |
| Captrust Financial Advisors | 0.00% | Add +44.0% | 14,418 | $22K |
| Sei Investments Co. | 0.00% | No change | 12,854 | $20K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 12,447 | $19K |
| Private Advisor Group, LLC | 0.00% | New | 12,200 | $19K |
| Vanguard Global Advisers, LLC | 0.00% | — | 12,172 | $19K |
| XTX Topco Ltd | 0.00% | Reduce -75.2% | 12,090 | $19K |
| Invesco Ltd. | 0.00% | Reduce -2.6% | 11,284 | $18K |
| Intech Investment Management LLC | 0.00% | Reduce -26.8% | 10,786 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +48.2% | 10,633 | $17K |
| Truist Financial Corp. | 0.00% | No change | 10,000 | $16K |
| Cwm, LLC | 0.00% | Add +222.6% | 9,199 | $14K |
| Barclays PLC | 0.00% | Reduce -83.9% | 8,839 | $14K |
| Lanark Financial, Inc. | 0.00% | Add +373.1% | 6,340 | $10K |
| New York State Common Retirement Fund | 0.00% | No change | 5,100 | $8K |
| Fifth Third Bancorp | 0.00% | No change | 5,000 | $8K |
| Royal Bank of Canada | 0.00% | Reduce -11.6% | 4,468 | $7K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,252 | $7K |
| Legal & General Group Plc | 0.00% | No change | 3,095 | $5K |
| Jones Financial Companies LLLP | 0.00% | No change | 3,077 | $5K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -42.3% | 2,812 | $4K |
| Essential Partners LLC | 0.00% | Add +4914.6% | 2,758 | $4K |
| California State Teachers Retirement System | 0.00% | Add +19.1% | 2,298 | $4K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,072 | $3K |
| FMR LLC | 0.00% | Reduce -58.7% | 2,042 | $3K |
| Citigroup Inc. | 0.00% | Add +76.0% | 1,586 | $2K |
| Blue Trust, Inc. | 0.00% | No change | 1,390 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -28.3% | 1,299 | $2K |
| McMillan Office, Inc. | 0.00% | No change | 1,000 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +531.3% | 928 | $1K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -77.6% | 720 | $1K |
| Capital Analysts, LLC | 0.00% | No change | 522 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -93.9% | 431 | $672 |
| Allworth Financial LP | 0.00% | Add +441.7% | 325 | $507 |
"% of holder's portfolio" is NPWR's weight in each manager's 13F, not the share of Net Power Inc. the manager owns.