NET POWER INC (NPWR) Institutional Ownership and Insiders Activity

NET POWER INC (NPWR) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $31.32M based on SEC Form 13F filings for the quarter ended March 31, 2026.

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

Institutional ownership among tracked investors remains highly concentrated, with Greenlight Capital representing the majority of disclosed value.

Recent insider activity includes 15 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.