Arosa Capital Management LP

Position in GWH — ESS Tech, Inc.

CIK 1596053 MIAMI BEACH, FL

Position in GWH

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$522,500

-$542,200 QoQ

Shares Held

550,000

-39.6% QoQ

Ownership

1.67%

of shares outstanding

% of Portfolio

0.46%

of 13F equity value

Holder Rank

of 46 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Arosa Capital Management LP holds $3,359,000 across 4 Electrical Equipment & Parts names. GWH ranks #4 (15.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EOSE	Eos Energy Enterprises, Inc.	200,000	$1,176,000
2	NEOV	NeoVolta Inc.	320,000	$1,008,000
3	TGEN	Tecogen Inc.	125,000	$652,500
4	GWH	ESS Tech, Inc. This page	550,000	$522,500

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$522,500	550,000	-39.6%	Shares	Sole	2026-08-14
2026-03-31	$1,064,700	910,000	-4.2%	Shares	Sole	2026-05-15
2025-12-31	$1,786,000	950,000	+40.7%	Shares	Sole	2026-02-17
2025-09-30	$1,026,633	675,417	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.