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Net Power Inc.

NPWR
Exchange
NYSE
Industry
Electrical Industrial Apparatus
SEC CIK
0001845437

In the last 90 days, Net Power Inc. insiders filed 0 open-market purchases and 7 sales; 120 institutions reported holding it in 13F filings for Q2 2026, worth $64.1M in total; no superinvestor holds it.

Other share classesNPWR.WT

13F holders, Q1 2025

Institutional positions in Net Power Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
108
−4 vs. Q4 2024
Shares held
30.9M
−733.3K (−2.3%) vs. Q4 2024
Total value
$81.4M
−$253.9M (−75.7%) vs. Q4 2024
New holders
26
38 more added
Sold out
30
26 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 108 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 42 institutionsQ3 2023: 58 institutionsQ4 2023: 70 institutionsQ1 2024: 77 institutionsQ2 2024: 93 institutionsQ3 2024: 89 institutionsQ4 2024: 113 institutionsQ1 2025: 108 institutionsQ2 2025: 94 institutionsQ3 2025: 100 institutionsQ4 2025: 114 institutionsQ1 2026: 113 institutionsQ2 2026: 120 institutions
Value heldQ1 2025: $81.4M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $238.5MQ3 2023: $486.7MQ4 2023: $337.7MQ1 2024: $307.6MQ2 2024: $292.4MQ3 2024: $215.2MQ4 2024: $335.8MQ1 2025: $81.4MQ2 2025: $74.6MQ3 2025: $97.7MQ4 2025: $76.1MQ1 2026: $55.0MQ2 2026: $64.1M
Institutions holding NPWR and their total value by quarter
QuarterHoldersValue
Q2 2026120$64.1M
Q1 2026113$55.0M
Q4 2025114$76.1M
Q3 2025100$97.7M
Q2 202594$74.6M
Q1 2025108$81.4M
Q4 2024113$335.8M
Q3 202489$215.2M
Q2 202493$292.4M
Q1 202477$307.6M
Q4 202370$337.7M
Q3 202358$486.7M
Q2 202342$238.5M
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q4 2024.

Institutions holding NPWR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
True Wealth Design, LLC23$610.00%+23New
Private Wealth Management Group, LLC50$1320.00%00.0%Unchanged
Parkside Financial Bank & Trust65$1710.00%+65New
Rothschild Investment LLC80$2100.00%00.0%Unchanged
Marshall Investment Management, LLC100$2630.00%+100New
Russell Investments Group, Ltd.131$3450.00%+131New
Nisa Investment Advisors, LLC164$4310.00%+26+18.8%Added
GAMMA Investing LLC373$9810.00%+328+728.9%Added
CWM, LLC247$1.00K0.00%+58+30.7%Added
Capital Analysts, LLC522$1.00K0.00%+522New
Sterling Capital Management LLC386$1.01K0.00%−291−43.0%Reduced
National Bank of Canada465$1.22K0.00%−11,465−96.1%Reduced
EverSource Wealth Advisors, LLC508$1.34K0.00%+508New
Promus Capital, LLC718$1.89K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.745$1.96K0.00%−1,255−62.7%Reduced
Amalgamated Bank732$2.00K0.00%00.0%Unchanged
SBI Securities Co., Ltd.1,000$2.63K0.00%+900+900.0%Added
NBC Securities, Inc.1,340$3.00K0.00%+1,339+133,900.0%Added
Skopos Labs, Inc.1,220$3.21K0.00%+1,220New
PEAK6 LLC1,300$3.42K0.00%−15,301−92.2%Reduced
Jones Financial Companies LLLP1,377$3.70K0.00%00.0%Unchanged
California State Teachers Retirement System1,532$4.03K0.00%00.0%Unchanged
Legal & General Group Plc1,838$4.83K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC1,883$4.95K0.00%+1,883New
Point72 (DIFC) Ltd1,975$5.20K0.00%+1,975New
Ameritas Investment Partners, Inc.2,072$5.45K0.00%00.0%Unchanged
Royal Bank of Canada3,129$9.00K0.00%−13,536−81.2%Reduced
Police & Firemen's Retirement System of New Jersey4,252$11.2K0.00%00.0%Unchanged
Eq Wealth Advisors, LLC5,067$13.3K0.01%+5,067New
New York State Common Retirement Fund5,100$13.4K0.00%−4,500−46.9%Reduced
Fifth Third Bancorp6,000$15.8K0.00%00.0%Unchanged
Quest Partners LLC6,275$16.5K0.00%+3,711+144.7%Added
Tower Research Capital LLC (TRC)6,642$17.5K0.00%+5,550+508.2%Added
Point72 Asset Management, L.P.6,758$17.8K0.00%+6,758New
Chesapeake Asset Management LLC7,000$18.4K0.02%00.0%Unchanged
Simplex Trading, LLC8,672$22.0K0.00%−19,715−69.5%Reduced
Belvedere Trading LLC9,869$26.0K0.00%+9,869New
Truist Financial Corp10,000$26.3K0.00%00.0%Unchanged
Price T Rowe Associates Inc10,310$28.0K0.00%+10,310New
JPMorgan Chase & Co10,792$28.4K0.00%+1,000+10.2%Added
Corebridge Financial, Inc.10,834$28.5K0.00%+140+1.3%Added
Captrust Financial Advisors11,431$30.1K0.00%+11,431New
Raymond James Financial Inc11,896$31.3K0.00%−107,501−90.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.12,786$33.6K0.00%+546+4.5%Added
SEI Investments Co12,854$33.8K0.00%+12,854New
Deutsche Bank AG14,051$37.0K0.00%+5,429+63.0%Added
Nebula Research & Development LLC14,386$37.8K0.00%−4,721−24.7%Reduced
Balyasny Asset Management LLC14,529$38.2K0.00%+14,529New
Citigroup Inc15,400$40.5K0.00%−15,155−49.6%Reduced
Smithfield Trust Co15,474$41.0K0.00%00.0%Unchanged
Handelsbanken Fonder AB16,500$43.0K0.00%00.0%Unchanged
Kapstone Financial Advisors LLC17,395$45.7K0.03%00.0%Unchanged
Toronto Dominion Bank20,000$52.6K0.00%+20,000New
State of Wisconsin Investment Board20,471$53.8K0.00%+7,087+53.0%Added
ExodusPoint Capital Management, LP21,594$57.0K0.00%−11,225−34.2%Reduced
Barclays PLC22,236$58.5K0.00%−10,115−31.3%Reduced
Advisor Group Holdings, Inc.25,083$66.0K0.00%+16,445+190.4%Added
Argentarii, LLC27,285$71.8K0.04%+3,842+16.4%Added
Two Sigma Advisers, LP30,200$79.4K0.00%+30,200New
LPL Financial LLC33,471$88.0K0.00%+19,435+138.5%Added
Rhumbline Advisers35,623$93.7K0.00%+3,375+10.5%Added
Legacy Advisors, LLC16,393$96.2K0.01%+16,393New
Engineers Gate Manager LP39,431$103.7K0.00%+24,013+155.7%Added
Intech Investment Management LLC39,552$104.0K0.00%+27,241+221.3%Added
K2 Principal Fund, L.P.43,125$113.4K0.02%+7,088+19.7%Added
Jain Global LLC45,875$120.7K0.00%+45,875New
EntryPoint Capital, LLC47,794$125.7K0.06%+47,794New
Wells Fargo & Company51,074$134.3K0.00%+22,928+81.5%Added
Nuveen, LLC51,840$136.3K0.00%+51,840New
Caption Management, LLC55,831$146.8K0.01%+55,831New
FMR LLC59,549$156.6K0.00%+42,051+240.3%Added
Bank of New York Mellon Corp67,030$176.3K0.00%+619+0.9%Added
Two Sigma Investments, LP72,207$189.9K0.00%+34,119+89.6%Added
Los Angeles Capital Management LLC79,283$208.5K0.00%+62,163+363.1%Added
Quantbot Technologies LP84,025$221.0K0.01%+84,025New
Connor, Clark & Lunn Investment Management Ltd.87,636$230.5K0.00%−67,452−43.5%Reduced
Susquehanna International Group, LLP92,419$243.1K0.00%+73,752+395.1%Added
Jane Street Group, LLC99,692$262.2K0.00%+64,537+183.6%Added
Moore Capital Management, LP100,000$263.0K0.01%+50,000+100.0%Added
Goldman Sachs Group Inc106,290$279.5K0.00%−62,667−37.1%Reduced
UBS Group AG111,643$293.6K0.00%−109,749−49.6%Reduced
PDT Partners, LLC111,955$294.4K0.02%+111,955New
G.F.W. Energy XII, L.P.118,729$312.3K89.46%−311,113−72.4%Reduced
Bank of America Corp119,129$313.3K0.00%+95,866+412.1%Added
Morgan Stanley126,576$332.9K0.00%−120,880−48.8%Reduced
XTX Topco Ltd138,198$363.5K0.02%+77,929+129.3%Added
Shelton Capital Management200,300$526.8K0.01%00.0%Unchanged
Northern Trust Corp215,247$566.1K0.00%−4,264−1.9%Reduced
S&CO Inc235,930$620.0K0.04%−105,475−30.9%Reduced
Squarepoint Ops LLC249,366$655.8K0.00%+249,366New
Charles Schwab Investment Management Inc268,252$705.5K0.00%−7,560−2.7%Reduced
SIR Capital Management, L.P.300,078$789.2K0.07%−108,300−26.5%Reduced
Dimensional Fund Advisors LP359,668$946.1K0.00%+217,710+153.4%Added
Citadel Advisors LLC421,722$1.11M0.00%−222,930−34.6%Reduced
Wellington Management Group LLP512,889$1.35M0.00%−179,300−25.9%Reduced
State Street Corp569,457$1.50M0.00%+27,980+5.2%Added
Millennium Management LLC691,180$1.82M0.00%+296,796+75.3%Added
Geode Capital Management, LLC692,753$1.82M0.00%+34,190+5.2%Added
Marshall Wace, LLP737,954$1.94M0.00%+289,407+64.5%Added
HITE Hedge Asset Management LLC743,238$1.95M0.12%+331,726+80.6%Added