NET POWER INC (NPWR) Institutional Ownership and Insiders Activity

NET POWER INC (NPWR) is widely held by institutional investors, with 122 firms reporting positions valued at approximately $94.60M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Greenlight Capital is the largest disclosed holder, reporting approximately $30.22M in NPWR holdings in its latest filing.

Recent insider activity includes 35 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.