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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, Q4 2024

Institutional positions in Net Power Inc. as of Dec 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
113
+28 vs. Q3 2024
Shares held
31.7M
+2.34M (+8.0%) vs. Q3 2024
Total value
$335.8M
+$129.9M (+63.1%) vs. Q3 2024
New holders
34
40 more added
Sold out
6
21 more reduced

4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 113 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 heldQ4 2024: $335.8M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q3 2024.

Institutions holding NPWR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
NBC Securities, Inc.1$140.00%−1,339−99.9%Reduced
IFP Advisors, Inc0$420.00%0New
GAMMA Investing LLC45$4770.00%+45New
Private Wealth Management Group, LLC50$5300.00%+50New
Aster Capital Management (DIFC) Ltd73$7730.00%−459−86.3%Reduced
Rothschild Investment LLC80$8470.00%+65+433.3%Added
Bessemer Group Inc140$1.00K0.00%00.0%Unchanged
SBI Securities Co., Ltd.100$1.06K0.00%+100New
Nisa Investment Advisors, LLC138$1.46K0.00%+138New
CWM, LLC189$2.00K0.00%+16+9.2%Added
Sterling Capital Management LLC677$7.17K0.00%+610+910.4%Added
Promus Capital, LLC718$7.60K0.01%+718New
Amalgamated Bank732$8.00K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.900$9.53K0.00%+900New
Tower Research Capital LLC (TRC)1,092$11.6K0.00%−9,312−89.5%Reduced
Jones Financial Companies LLLP1,377$14.6K0.00%+1,277+1,277.0%Added
California State Teachers Retirement System1,532$16.2K0.00%00.0%Unchanged
Legal & General Group Plc1,838$19.5K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.2,000$21.2K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,072$21.9K0.00%00.0%Unchanged
Quest Partners LLC2,564$27.2K0.00%−19,267−88.3%Reduced
Covestor Ltd4,015$43.0K0.03%+4,015New
Police & Firemen's Retirement System of New Jersey4,252$45.0K0.00%+4,252New
Fifth Third Bancorp6,000$63.5K0.00%00.0%Unchanged
Chesapeake Asset Management LLC7,000$74.1K0.07%00.0%Unchanged
Group One Trading, L.P.7,512$79.6K0.00%+1,012+15.6%Added
Deutsche Bank AG8,622$91.3K0.00%00.0%Unchanged
Perigon Wealth Management, LLC10,000$91.4K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.8,638$91.5K0.00%+4,726+120.8%Added
New York State Common Retirement Fund9,600$101.7K0.00%00.0%Unchanged
JPMorgan Chase & Co9,792$103.7K0.00%+469+5.0%Added
Truist Financial Corp10,000$105.9K0.00%00.0%Unchanged
Prime Capital Investment Advisors, LLC10,040$106.3K0.00%+10,040New
Janney Montgomery Scott LLC10,200$108.0K0.00%+10,200New
Corebridge Financial, Inc.10,694$113.2K0.00%−614−5.4%Reduced
National Bank of Canada11,930$126.3K0.00%+11,508+2,727.0%Added
Mirae Asset Global ETFs Holdings Ltd.12,240$129.6K0.00%+532+4.5%Added
Intech Investment Management LLC12,311$130.4K0.00%+12,311New
Fox Run Management, L.L.C.12,904$136.7K0.02%+12,904New
MetLife Investment Management12,922$136.8K0.00%00.0%Unchanged
Mariner, LLC13,120$138.9K0.00%+13,120New
State of Wisconsin Investment Board13,384$141.7K0.00%+13,384New
Kapstone Financial Advisors LLC17,395$147.5K0.08%+17,395New
LPL Financial LLC14,036$148.6K0.00%+1,832+15.0%Added
Williams Jones Wealth Management, LLC.15,000$158.8K0.00%+15,000New
Smithfield Trust Co15,474$163.0K0.01%00.0%Unchanged
Engineers Gate Manager LP15,418$163.3K0.00%−5,033−24.6%Reduced
Commonwealth Equity Services, LLC15,511$164.0K0.00%−246−1.6%Reduced
Interval Partners, LP15,844$167.8K0.00%+15,844New
Handelsbanken Fonder AB16,500$175.0K0.00%+16,500New
PEAK6 LLC16,601$175.8K0.01%+16,601New
Royal Bank of Canada16,665$177.0K0.00%+8,215+97.2%Added
Los Angeles Capital Management LLC17,120$181.3K0.00%+17,120New
FMR LLC17,498$185.3K0.00%+16,844+2,575.5%Added
Susquehanna International Group, LLP18,667$197.7K0.00%+18,667New
Nebula Research & Development LLC19,107$202.3K0.02%+3,945+26.0%Added
Pickering Energy Partners LP21,000$222.4K3.13%−22,500−51.7%Reduced
Verition Fund Management LLC22,921$242.7K0.00%+22,921New
Bank of America Corp23,263$246.4K0.00%+6,975+42.8%Added
Argentarii, LLC23,443$248.3K0.12%+23,443New
Wells Fargo & Company28,146$298.1K0.00%+6,415+29.5%Added
Simplex Trading, LLC28,387$300.0K0.01%+28,387New
Citigroup Inc30,555$323.6K0.00%+15,153+98.4%Added
Neuberger Berman Group LLC30,704$325.2K0.00%00.0%Unchanged
Rhumbline Advisers32,248$341.5K0.00%−322−1.0%Reduced
Barclays PLC32,351$342.6K0.00%+4,468+16.0%Added
ExodusPoint Capital Management, LP32,819$348.0K0.00%−56,206−63.1%Reduced
Wolverine Trading, LLC32,400$361.9K0.01%+32,400New
Jane Street Group, LLC35,155$372.3K0.00%+11,126+46.3%Added
K2 Principal Fund, L.P.36,037$381.6K0.06%+3,000+9.1%Added
Two Sigma Investments, LP38,088$403.4K0.00%+38,088New
Nuveen Asset Management, LLC38,986$412.9K0.00%00.0%Unchanged
HRT Financial LP46,384$491.0K0.00%+46,384New
Moore Capital Management, LP50,000$529.5K0.01%+50,000New
Amitell Capital Pte Ltd55,118$583.7K0.53%00.0%Unchanged
Palo Duro Investment Partners, LP56,639$599.8K0.18%−92,047−61.9%Reduced
XTX Topco Ltd60,269$638.2K0.05%+60,269New
D. E. Shaw & Co., Inc.62,189$658.6K0.00%+51,007+456.2%Added
Bank of New York Mellon Corp66,411$703.3K0.00%+16,135+32.1%Added
Tudor Investment Corp Et Al71,460$756.8K0.01%−80.0%Reduced
Lombard Odier Asset Management (USA) Corp72,204$764.6K0.29%+72,204New
CenterBook Partners LP99,390$1.05M0.06%+99,390New
Man Group plc100,686$1.07M0.00%+100,686New
Raymond James Financial Inc119,397$1.26M0.00%+119,397New
Dimensional Fund Advisors LP141,958$1.51M0.00%+128,187+930.8%Added
Connor, Clark & Lunn Investment Management Ltd.155,088$1.64M0.01%+98,952+176.3%Added
Goldman Sachs Group Inc168,957$1.79M0.00%+55,260+48.6%Added
Shelton Capital Management200,300$2.12M0.05%−200−0.1%Reduced
Northern Trust Corp219,511$2.32M0.00%+22,604+11.5%Added
UBS Group AG221,392$2.34M0.00%+211,640+2,170.2%Added
Macquarie Group Ltd234,698$2.48M0.00%−185,244−44.1%Reduced
Morgan Stanley247,456$2.62M0.00%+97,592+65.1%Added
Charles Schwab Investment Management Inc275,812$2.92M0.00%+30,960+12.6%Added
S&CO Inc341,405$3.62M0.25%+89,500+35.5%Added
Millennium Management LLC394,384$4.18M0.00%+319,169+424.3%Added
Adage Capital Partners GP, L.L.C.400,000$4.24M0.01%−200,000−33.3%Reduced
SIR Capital Management, L.P.408,378$4.32M0.45%−8,260−2.0%Reduced
HITE Hedge Asset Management LLC411,512$4.36M0.32%+23,888+6.2%Added
G.F.W. Energy XII, L.P.429,842$4.55M98.53%−570,158−57.0%Reduced
Marshall Wace, LLP448,547$4.75M0.01%+38,627+9.4%Added