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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 2024

Institutional positions in Net Power Inc. as of Mar 31, 2024. 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
77
+8 vs. Q4 2023
Shares held
27.0M
−3.43M (−11.3%) vs. Q4 2023
Total value
$307.6M
+$137.4K (0.0%) vs. Q4 2023
New holders
23
20 more added
Sold out
15
18 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 77 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 2024: $307.6M
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 2024

Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q4 2023.

Institutions holding NPWR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Share Andrew L.9,937,500$113.2M55.08%00.0%Unchanged
Vanguard Group Inc2,424,662$27.6M0.00%+956,134+65.1%Added
DME Capital Management, LPSuperinvestorGreenlight Capital1,959,280$22.3M1.02%+1,959,280New
Kensico Capital Management Corp1,826,600$20.8M0.68%−24,700−1.3%Reduced
Jefferies Financial Group Inc.1,207,000$13.7M0.28%−446,005−27.0%Reduced
G.F.W. Energy XII, L.P.1,000,000$11.4M98.63%00.0%Unchanged
Summit Partners Public Asset Management, LLC975,000$11.1M0.53%+975,000New
Cohen & Steers, Inc.910,453$10.4M0.02%+91,906+11.2%Added
Baker Hughes Holdings LLC562,672$6.41M11.62%−7,344,400−92.9%Reduced
Rosenbaum Jay D.500,000$5.70M32.35%00.0%Unchanged
Macquarie Group Ltd451,458$5.13M0.01%−40,622−8.3%Reduced
Khrom Capital Management LLC402,096$4.58M1.09%00.0%Unchanged
HITE Hedge Asset Management LLC377,637$4.30M0.43%−344,167−47.7%Reduced
Goldman Sachs Group Inc360,440$4.11M0.00%+334,705+1,300.6%Added
BlackRock Inc.352,014$4.01M0.00%−10,737−3.0%Reduced
UBS Group AG268,504$3.06M0.00%+222,085+478.4%Added
Adage Capital Partners GP, L.L.C.265,000$3.02M0.01%−428,148−61.8%Reduced
Geode Capital Management, LLC254,250$2.90M0.00%+12,571+5.2%Added
Wellington Management Group LLP215,468$2.45M0.00%+87,648+68.6%Added
Crawford Fund Management, LLC208,679$2.38M1.86%+42,572+25.6%Added
S&CO Inc201,100$2.29M0.16%+201,100New
Qube Research & Technologies Ltd199,008$2.27M0.00%+155,440+356.8%Added
Berylson Capital Partners, LLC179,000$2.04M4.08%+50,000+38.8%Added
Marshall Wace, LLP178,560$2.03M0.00%+178,560New
Palo Duro Investment Partners, LP148,686$1.69M0.47%+9,269+6.6%Added
Charles Schwab Investment Management Inc145,832$1.66M0.00%+11,831+8.8%Added
Prelude Capital Management, LLC120,488$1.37M0.09%−67,850−36.0%Reduced
Shelton Capital Management100,500$1.14M0.03%+100+0.1%Added
J. Goldman & Co LP98,563$1.12M0.05%+98,563New
State Street Corp95,400$1.09M0.00%−3,912−3.9%Reduced
Morgan Stanley82,382$938.3K0.00%+49,515+150.7%Added
Brevan Howard Capital Management LP68,230$777.1K0.07%+68,230New
Commonwealth Equity Services, LLC63,821$727.0K0.00%+15,778+32.8%Added
Northern Trust Corp62,511$712.0K0.00%−2,684−4.1%Reduced
Barclays PLC60,000$683.4K0.00%−2,747−4.4%Reduced
Raymond James Financial Services Advisors, Inc.58,072$661.4K0.00%−71,715−55.3%Reduced
Amitell Capital Pte Ltd55,118$627.8K0.53%00.0%Unchanged
Millennium Management LLC51,071$581.7K0.00%+51,071New
Covalis Capital LLP49,430$563.0K0.07%+49,430New
Citigroup Inc49,298$561.5K0.00%+49,298New
Marathon Trading Investment Management LLC45,701$520.5K0.21%+45,701New
Schonfeld Strategic Advisors LLC45,410$517.2K0.00%+20,898+85.3%Added
Jane Street Group, LLC42,424$483.2K0.00%+4,646+12.3%Added
ExodusPoint Capital Management, LP41,318$471.0K0.01%+41,318New
Pekin Hardy Strauss, Inc.27,865$317.4K0.04%+3,500+14.4%Added
JPMorgan Chase & Co24,637$280.6K0.00%−31,554−56.2%Reduced
Susquehanna International Group, LLP21,612$246.2K0.00%+21,612New
Citadel Advisors LLC20,419$232.6K0.00%+18,722+1,103.2%Added
Evercore Wealth Management, LLC20,000$227.8K0.00%00.0%Unchanged
ELCO Management Co., LLC18,450$210.1K0.13%+100+0.5%Added
Omers Administration Corp17,600$200.5K0.00%+17,600New
Balyasny Asset Management LLC16,855$192.0K0.00%+16,855New
Neuberger Berman Group LLC16,102$183.4K0.00%00.0%Unchanged
Smithfield Trust Co15,474$176.0K0.01%00.0%Unchanged
LPL Financial LLC13,434$153.0K0.00%−7,798−36.7%Reduced
K2 Principal Fund, L.P.13,011$148.2K0.04%+13,011New
Williams Jones Wealth Management, LLC.11,250$128.1K0.00%+11,250New
CTC Alternative Strategies, Ltd.10,600$120.7K0.08%+10,600New
Truist Financial Corp10,000$113.9K0.00%00.0%Unchanged
CI Private Wealth, LLC10,000$113.9K0.00%+10,000New
Simplex Trading, LLC8,587$97.0K0.00%+8,587New
Chesapeake Asset Management LLC7,000$79.7K0.08%00.0%Unchanged
Fifth Third Bancorp6,000$68.3K0.00%00.0%Unchanged
Royal Bank of Canada4,485$51.0K0.00%+2,003+80.7%Added
Advisor Group Holdings, Inc.3,535$40.3K0.00%−6,954−66.3%Reduced
Pickering Energy Partners LP3,100$35.3K0.39%+3,100New
The PNC Financial Services Group, Inc.2,000$22.8K0.00%00.0%Unchanged
Wells Fargo & Company1,450$16.5K0.00%−21,127−93.6%Reduced
NBC Securities, Inc.1,340$15.0K0.00%00.0%Unchanged
Group One Trading, L.P.1,000$11.4K0.00%+1,000New
Bank of America Corp572$6.51K0.00%−27,720−98.0%Reduced
Steward Partners Investment Advisory, LLC515$5.87K0.00%00.0%Unchanged
Retirement Group, LLC300$3.42K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)200$2.28K0.00%−1,635−89.1%Reduced
Accordant Advisory Group Inc200$2.28K0.00%+200New
Cutler Group LP202$2.00K0.00%00.0%Unchanged
CWM, LLC16$00.00%+16New
Clear Sky Advisers, LLC0$00.00%−188,162−100.0%Sold out
Teilinger Capital Ltd.0$00.00%−100,000−100.0%Sold out
Waldron Private Wealth LLC0$00.00%−39,714−100.0%Sold out
Swiss National Bank0$00.00%−27,200−100.0%Sold out
Jump Financial, LLC0$00.00%−19,512−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−16,961−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−14,257−100.0%Sold out
California State Teachers Retirement System0$00.00%−12,266−100.0%Sold out
Credit Suisse AG0$00.00%−11,936−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−10,992−100.0%Sold out
Virtu Financial LLC0$00.00%−10,459−100.0%Sold out
Atom Investors LP0$00.00%−10,314−100.0%Sold out
Belvedere Trading LLC0$00.00%−4,216−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−3,034−100.0%Sold out
Tennessee Valley Asset Management Partners0$00.00%−1,593−100.0%Sold out
Greenlight Capital Inc––––Not filed