DOSSIER · 13F Holders · Q1 2026
GWH/WS
ESS TECH INC
14 institutions still hold ESS TECH INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 26916J114·14 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
14 institutions reported GWH/WS in Q1 2026. Vestcor Inc leads at 20.5% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.