ESS Tech, Inc.

Historical 13F Holders

Symbol
GWH
CUSIP
26916J205
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 26916J205 since 12/18/2024, largest first.

Filer % of Class Filed
SoftBank Group Corp. 13D/A
20.2% 3/3/2025
Event 8/23/2024
Ayrton Capital LLC 13G/A
8.1% 8/13/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Alyeska Investment Group, L.P. 13G/A
4.8% 8/14/2026
Event 6/30/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 1 37.0 k $6.29 k
2026 Q2 48 7.30 M $6.94 M
2026 Q1 51 7.61 M $8.90 M
2025 Q4 55 6.36 M $11.9 M
2025 Q3 47 3.75 M $5.69 M
2025 Q2 51 3.02 M $4.02 M
2025 Q1 46 3.37 M $11.0 M
2024 Q4 58 3.48 M $20.5 M
2024 Q3 52 3.27 M $20.7 M
2024 Q2 1 23.4 k $19.1 k