Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Class A Common Stock, par value $0.0001
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Shares outstanding
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104M
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Number of holders
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11
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Total 13F shares, excl. options
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110K
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Shares change
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+60.2K
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Total reported value, excl. options
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$325K
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Value change
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+$181K
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Number of buys
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5
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Price
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$3.01
Significant Holders of NET Power Inc. - Class A Common Stock, par value $0.0001 (NPWR) as of Q3 2025
12 filings reported holding NPWR - NET Power Inc. - Class A Common Stock, par value $0.0001 as of Q3 2025.
NET Power Inc. - Class A Common Stock, par value $0.0001 (NPWR) has 11 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 110K shares
of 104M outstanding shares and own 0.11% of the company stock.
Largest 10 shareholders include Argentarii, LLC (51.4K shares), SG Americas Securities, LLC (34.9K shares), Janney Montgomery Scott LLC (10K shares), NISA INVESTMENT ADVISORS, LLC (7.83K shares), West Oak Capital, LLC (2.5K shares), CWM, LLC (1.5K shares), Blue Trust, Inc. (1.39K shares), Farther Finance Advisors, LLC (347 shares), Fortitude Family Office, LLC (298 shares), and Versant Capital Management, Inc (103 shares).
This table shows the top 11 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.