NPWR — Net Power Inc Cl A

Ownership history in Rosenbaum Jay D.  ·  4 quarters on record

This page tracks every 13F SEC filing in which Rosenbaum Jay D. reported a position in Net Power Inc Cl A (NPWR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
52.38% (2024 Q3)
Avg. % of fund
31.4%
First filed
2023 Q4
Last filed
2024 Q3
Quarters held
4
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2024 Q3 UNCHANGED 500,000 — 0% 52.38% $3.5M $7.01
2024 Q2 UNCHANGED 500,000 — 0% 27.82% $4.9M $9.83
2024 Q1 UNCHANGED 500,000 — 0% 32.35% $5.7M $11.39
2023 Q4 INITIATED 500,000 — — 13.05% $5.0M —
% of Fund (quarterly)    NPWR price (monthly, adj. close)

Other funds also holding NPWR

As of 2025 Q4 — sorted by position size

Share Andrew L. 3Y 7Y 11.25% Worth Venture Partners, LLC 3Y 7Y 1.32% CenterBook Partners LP 3Y 0.21% Sourcerock Group LLC 3Y 0.19% HITE Hedge Asset Management LLC 3Y 7Y 0.11% SIR Capital Management, L.P. 3Y 7Y 0.03% THOMPSON DAVIS & CO., INC. 3Y 7Y 0.02% Kapstone Financial Advisors LLC 3Y 0.02% BOOTHBAY FUND MANAGEMENT, LLC 3Y 7Y 0.01% Atom Investors LP 3Y 7Y 0.01%
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