NET POWER INC (NPWR) Institutional Ownership Changes & 13F Activity

NET POWER INC (NPWR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Millennium Management Llc, Adage Capital Partners Gp, L.L.C., Two Sigma Investments, Lp, Boothbay Fund Management, Llc, and Wellington Management Group Llp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Northcoast Asset Management LlcBuy+26,380—26,380$60.15KQ4 2025Feb 20, 2026
Strive Financial Group ,LlcBuy+5,000—5,000$11.40KQ4 2025Feb 18, 2026
Millennium Management LlcBuy+2,276,592—2,276,592$5.19MQ4 2025Feb 17, 2026
Adage Capital Partners Gp, L.L.C.Buy+1,540,000—1,540,000$3.51MQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+728,459—728,459$1.66MQ4 2025Feb 17, 2026
Boothbay Fund Management, LlcBuy+300,545—300,545$685.24KQ4 2025Feb 17, 2026
Wellington Management Group LlpBuy+274,327—274,327$625.47KQ4 2025Feb 17, 2026
Northern Trust CorpBuy+254,014—254,014$579.15KQ4 2025Feb 17, 2026
Susquehanna International Group, LlpBuy+241,899—241,899$551.53KQ4 2025Feb 17, 2026
Point72 Asset Management, L.P.Buy+240,972—240,972$549.42KQ4 2025Feb 17, 2026
Shelton Capital ManagementBuy+200,300—200,300$456.68KQ4 2025Feb 17, 2026
Two Sigma Advisers, LpBuy+102,400—102,400$233.47KQ4 2025Feb 17, 2026
Alliancebernstein L.P.Buy+101,680—101,680$231.83KQ4 2025Feb 17, 2026
Caption Management, LlcBuy+86,228—86,228$196.60KQ4 2025Feb 17, 2026
Moore Capital Management, LpBuy+85,000—85,000$193.80KQ4 2025Feb 17, 2026
Tudor Investment Corp Et AlBuy+84,887—84,887$193.54KQ4 2025Feb 17, 2026
Worth Venture Partners, LlcBuy+80,250—80,250$182.97KQ4 2025Feb 17, 2026
D. E. Shaw & Co., Inc.Buy+77,681—77,681$177.11KQ4 2025Feb 17, 2026
Graham Capital Management, L.P.Buy+59,786—59,786$136.31KQ4 2025Feb 17, 2026
Aqr Capital Management LlcBuy+56,598—56,598$129.04KQ4 2025Feb 17, 2026
Atom Investors LpBuy+55,094—55,094$125.61KQ4 2025Feb 17, 2026
Xtx Topco LtdBuy+48,802—48,802$111.27KQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+42,235—42,235$96.30KQ4 2025Feb 17, 2026
Polymer Capital Management (Us) LlcBuy+42,155—42,155$96.11KQ4 2025Feb 17, 2026
Engineers Gate Manager LpBuy+32,522—32,522$74.15KQ4 2025Feb 17, 2026
Sig Brokerage, LpBuy+31,942—31,942$72.83KQ4 2025Feb 17, 2026
Family Manage LlcBuy+26,222—26,222$59.79KQ4 2025Feb 17, 2026
Bank Of America CorpBuy+25,049—25,049$57.11KQ4 2025Feb 17, 2026
Jain Global LlcBuy+25,029—25,029$57.07KQ4 2025Feb 17, 2026
Two Sigma Securities, LlcBuy+21,454—21,454$48.91KQ4 2025Feb 17, 2026
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Frequently asked questions about NPWR activity

  • Which institutional owners are buying NPWR?

    Institutional owners buying NPWR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in NPWR activity?

    "Buy" means an investor increased their reported position in NPWR compared to the prior reporting period. This reflects growing exposure to NET POWER INC (NPWR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in NPWR increasing?

    Institutional interest in NPWR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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