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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, Q2 2025

Institutional positions in Net Power Inc. as of Jun 30, 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
94
−14 vs. Q1 2025
Shares held
30.2M
−748.0K (−2.4%) vs. Q1 2025
Total value
$74.6M
−$6.85M (−8.4%) vs. Q1 2025
New holders
18
36 more added
Sold out
32
20 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 94 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 heldQ2 2025: $74.6M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Net Power Inc.; share changes are against Q1 2025.

Institutions holding NPWR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−87,636−100.0%Sold out
Quantbot Technologies LP0$00.00%−84,025−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−79,283−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−47,794−100.0%Sold out
Jain Global LLC0$00.00%−45,875−100.0%Sold out
K2 Principal Fund, L.P.0$00.00%−43,125−100.0%Sold out
Legacy Advisors, LLC0$00.00%−16,393−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−21,594−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−20,471−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−16,500−100.0%Sold out
Smithfield Trust Co0$00.00%−15,474−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−14,529−100.0%Sold out
Nebula Research & Development LLC0$00.00%−14,386−100.0%Sold out
Captrust Financial Advisors0$00.00%−11,431−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−10,834−100.0%Sold out
Belvedere Trading LLC0$00.00%−9,869−100.0%Sold out
Chesapeake Asset Management LLC0$00.00%−7,000−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−1,975−100.0%Sold out
Skopos Labs, Inc.0$00.00%−1,220−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−745−100.0%Sold out
National Bank of Canada0$00.00%−465−100.0%Sold out
GAMMA Investing LLC0$00.00%−373−100.0%Sold out
Marshall Investment Management, LLC0$00.00%−100−100.0%Sold out
Rothschild Investment LLC0$00.00%−80−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−65−100.0%Sold out
True Wealth Design, LLC0$00.00%−23−100.0%Sold out