Net PowerNPWR
13F holders, Q1 2025 (March 31)108holders −4
26new positions
30sold out
3famous investors
$2.63avg. 13F price*
At the end of Q1 2025, 108 institutions reported holding Net Power Inc. (NPWR) in their 13F filings, down 4 from Q4 2024. 26 opened new positions and 30 sold out. The largest holders were Share Andrew L. ($26.1M), Vanguard Group Inc. ($7.5M) and Adage Capital Partners Gp, L.L.C. ($6.4M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Net Power Inc.
- CUSIP
- 64107A105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $2.0M |
| Exits | 30 | $57.9M |
All 13F filers, Q4 2024 → Q1 2025: 6,294,019 shares bought and 7,080,484 shares sold, net −786,465 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 108 holders
| Share Andrew L. | 19.29% | No change | 9,937,500 | $26.1M |
| Vanguard Group Inc. | 0.00% | Reduce -0.1% | 2,861,956 | $7.5M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Add +510.0% | 2,440,000 | $6.4M |
| CenterBook Partners LP | 0.29% | Add +1655.5% | 1,744,770 | $4.6M |
| Kensico Capital Management Corp. | 0.10% | Reduce -3.2% | 1,688,100 | $4.4M |
| BlackRock, Inc. | 0.00% | Reduce -2.6% | 1,533,246 | $4.0M |
| Khrom Capital Management LLC | 0.38% | No change | 1,084,705 | $2.9M |
| Cohen & Steers, Inc. | 0.00% | Add +2.4% | 957,979 | $2.5M |
| HITE Hedge Asset Management LLC | 0.12% | Add +80.6% | 743,238 | $2.0M |
| Marshall Wace, LLP | 0.00% | Add +64.5% | 737,954 | $1.9M |
| Geode Capital Management, LLC | 0.00% | Add +5.2% | 692,753 | $1.8M |
| Millennium Management | 0.00% | Add +75.3% | 691,180 | $1.8M |
| State Street Corp. | 0.00% | Add +5.2% | 569,457 | $1.5M |
| Wellington Management Group LLP | 0.00% | Reduce -25.9% | 512,889 | $1.3M |
| Citadel Advisors | 0.00% | Reduce -34.6% | 421,722 | $1.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +153.4% | 359,668 | $946K |
| SIR Capital Management, L.P. | 0.07% | Reduce -26.5% | 300,078 | $789K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.7% | 268,252 | $706K |
| Squarepoint Ops LLC | 0.00% | New | 249,366 | $656K |
| S&co Inc. | 0.04% | Reduce -30.9% | 235,930 | $620K |
| Northern Trust Corp. | 0.00% | Reduce -1.9% | 215,247 | $566K |
| Shelton Capital Management | 0.01% | No change | 200,300 | $527K |
| XTX Topco Ltd | 0.02% | Add +129.3% | 138,198 | $363K |
| Morgan Stanley | 0.00% | Reduce -48.9% | 126,576 | $333K |
| Bank of America Corp. | 0.00% | Add +412.1% | 119,129 | $313K |
| G.F.W. Energy XII, L.P. | 89.46% | Reduce -72.4% | 118,729 | $312K |
| PDT Partners, LLC | 0.02% | New | 111,955 | $294K |
| UBS Group AG | 0.00% | Reduce -49.6% | 111,643 | $294K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -37.1% | 106,290 | $280K |
| Moore Capital Management, LP | 0.01% | Add +100.0% | 100,000 | $263K |
| Jane Street Group, LLC | 0.00% | Add +183.6% | 99,692 | $262K |
| Susquehanna International Group, LLP | 0.00% | Add +395.1% | 92,419 | $243K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -43.5% | 87,636 | $230K |
| Quantbot Technologies LP | 0.01% | New | 84,025 | $221K |
| Los Angeles Capital Management LLC | 0.00% | Add +363.1% | 79,283 | $209K |
| Two Sigma Investments, LP | 0.00% | Add +89.6% | 72,207 | $190K |
| Bank of New York Mellon Corp | 0.00% | Add +0.9% | 67,030 | $176K |
| FMR LLC | 0.00% | Add +240.3% | 59,549 | $157K |
| Caption Management, LLC | 0.01% | New | 55,831 | $147K |
| Nuveen, LLC | 0.00% | — | 51,840 | $136K |
| Wells Fargo & Company | 0.00% | Add +81.5% | 51,074 | $134K |
| EntryPoint Capital, LLC | 0.06% | New | 47,794 | $126K |
| Jain Global LLC | 0.00% | New | 45,875 | $121K |
| K2 Principal Fund, L.P. | 0.06% | Add +19.7% | 43,125 | $113K |
| Intech Investment Management LLC | 0.00% | Add +221.3% | 39,552 | $104K |
| Engineers Gate Manager LP | 0.00% | Add +155.8% | 39,431 | $104K |
| Legacy Advisors, LLC | 0.01% | New | 16,393 | $96K |
| Rhumbline Advisers | 0.00% | Add +10.5% | 35,623 | $94K |
| LPL Financial LLC | 0.00% | Add +138.5% | 33,471 | $88K |
| Two Sigma Advisers, LP | 0.00% | New | 30,200 | $79K |
| Argentarii, LLC | 0.04% | Add +16.4% | 27,285 | $72K |
| Osaic Holdings, Inc. | 0.00% | Add +190.4% | 25,083 | $66K |
| Barclays PLC | 0.00% | Reduce -31.3% | 22,236 | $58K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -34.2% | 21,594 | $57K |
| State of Wisconsin Investment Board | 0.00% | Add +53.0% | 20,471 | $54K |
| Toronto Dominion Bank | 0.00% | New | 20,000 | $53K |
| Kapstone Financial Advisors LLC | 0.03% | No change | 17,395 | $46K |
| Handelsbanken Fonder AB | 0.00% | No change | 16,500 | $43K |
| Smithfield Trust Co | 0.00% | No change | 15,474 | $41K |
| Citigroup Inc. | 0.00% | Reduce -49.6% | 15,400 | $41K |
| Balyasny Asset Management L.P. | 0.00% | New | 14,529 | $38K |
| Nebula Research & Development LLC | 0.00% | Reduce -24.7% | 14,386 | $38K |
| Deutsche Bank AG | 0.00% | Add +63.0% | 14,051 | $37K |
| Sei Investments Co. | 0.00% | New | 12,854 | $34K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 12,786 | $34K |
| Raymond James Financial Inc. | 0.00% | Reduce -90.0% | 11,896 | $31K |
| Captrust Financial Advisors | 0.00% | New | 11,431 | $30K |
| Corebridge Financial, Inc. | 0.00% | Add +1.3% | 10,834 | $28K |
| JPMorgan Chase & Co. | 0.00% | Add +10.2% | 10,792 | $28K |
| T. Rowe Price Associates Inc. | 0.00% | New | 10,310 | $28K |
| Truist Financial Corp. | 0.00% | No change | 10,000 | $26K |
| Belvedere Trading LLC | 0.00% | New | 9,869 | $26K |
| Simplex Trading, LLC | 0.00% | Reduce -69.5% | 8,672 | $22K |
| Chesapeake Asset Management LLC | 0.02% | No change | 7,000 | $18K |
| Point72 Asset Management | 0.00% | New | 6,758 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +508.2% | 6,642 | $17K |
| AlphaQuest LLC | 0.00% | Add +144.7% | 6,275 | $17K |
| Fifth Third Bancorp | 0.00% | No change | 6,000 | $16K |
| New York State Common Retirement Fund | 0.00% | Reduce -46.9% | 5,100 | $13K |
| Eq Wealth Advisors, LLC | 0.01% | New | 5,067 | $13K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,252 | $11K |
| Royal Bank of Canada | 0.00% | Reduce -81.2% | 3,129 | $9K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,072 | $5K |
| Point72 (DIFC) Ltd | 0.00% | New | 1,975 | $5K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 1,883 | $5K |
| Legal & General Group Plc | 0.00% | No change | 1,838 | $5K |
| California State Teachers Retirement System | 0.00% | No change | 1,532 | $4K |
| Jones Financial Companies LLLP | 0.00% | No change | 1,377 | $4K |
| PEAK6 LLC | 0.00% | Reduce -92.2% | 1,300 | $3K |
| Brooklyn Investment Group | 0.00% | New | 1,220 | $3K |
| Lanark Financial, Inc. | 0.00% | — | 1,340 | $3K |
| SBI Securities Co., Ltd. | 0.00% | Add +900.0% | 1,000 | $3K |
| Amalgamated Bank | 0.00% | No change | 732 | $2K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -62.8% | 745 | $2K |
| Promus Capital, LLC | 0.00% | No change | 718 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 508 | $1K |
| National Bank of Canada | 0.00% | Reduce -96.1% | 465 | $1K |
| Sterling Capital Management LLC | 0.00% | Reduce -43.0% | 386 | $1K |
| Cwm, LLC | 0.00% | Add +30.7% | 247 | $1K |
| Capital Analysts, LLC | 0.00% | New | 522 | $1K |
"% of holder's portfolio" is NPWR's weight in each manager's 13F, not the share of Net Power Inc. the manager owns.