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Coston, McIsaac & Partners

Position in GWH — ESS Tech, Inc.

CIK 1945037 BAR HARBOR, ME

Position in GWH

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$2
-$1 QoQ
Shares Held
3
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#46
of 46 holders
Holding Since
Jun 2022
16 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in GWH Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Jun 30, 2026

Coston, McIsaac & Partners holds $375 across 4 Electrical Equipment & Parts names. GWH ranks #2 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 GWH
ESS Tech, Inc.
This page
3 $2

All Filings in GWH

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2 3
2026-03-31 $3 3
2025-12-31 $5 3
2025-09-30 $4 3
2025-06-30 $3 3
2024-12-31 $17 3
2024-09-30 $18 3
2024-06-30 $40 50
2024-03-31 $36 50
2023-12-31 $57 50
2023-09-30 $94 50
2023-06-30 $73 50
2023-03-31 $69 50
2022-12-31 $121 50
2022-09-30 $204 50
2022-06-30 $140 50