Argentarii, LLC

Position in NPWR — Net Power Inc.

CIK 2030055 CINCINNATI, OH

Position in NPWR

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$1,247,154

+$79,262 QoQ

Shares Held

746,799

-0.2% QoQ

Ownership

0.332%

of shares outstanding

% of Portfolio

0.43%

of 13F equity value

Holder Rank

#13

of 120 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Industrials · as of Jun 30, 2026

Argentarii, LLC holds $10,472,811 across 6 Specialty Industrial Machinery names. NPWR ranks #4 (11.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PH	Parker-Hannifin Corp	5,485	$5,364,988
2	ETN	Eaton Corp plc	3,981	$1,696,383
3	EMR	Emerson Electric Co	10,571	$1,513,238
4	NPWR	Net Power Inc. This page	746,799	$1,247,154
5	GEV	GE Vernova Inc.	352	$413,550
6	CMI	Cummins Inc	333	$237,498

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,247,154	746,799	-0.2%	Shares	Sole	2026-08-12
2026-03-31	$1,167,892	748,649	+184.1%	Shares	Sole	2026-05-12
2025-12-31	$600,795	263,507	+413.0%	Shares	Sole	2026-01-13
2025-09-30	$154,608	51,365	+91.8%	Shares	Sole	2025-10-27
2025-06-30	$66,158	26,785	-1.8%	Shares	Sole	2025-07-14
2025-03-31	$71,759	27,285	+16.4%	Shares	Sole	2025-04-29
2024-12-31	$248,261	23,443	—	Shares	Sole	2025-02-07
No filing history on record for this holder in this stock.