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ESS Tech, Inc.

GWHWW
Exchange
OTC
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
SEC CIK
0001819438

In the last 90 days, ESS Tech, Inc. insiders filed 0 open-market purchases and 2 sales; 11 institutions reported holding it in 13F filings for Q2 2026, worth $10.1K in total; no superinvestor holds it.

Other share classesGWH

Q2 2025 vs. Q1 2025

How the institutions holding ESS Tech, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of GWHWW: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders1312−1
Shares1.62M1.68M+61.9K (+3.8%)
Value$136.0K$66.6K−$69.5K (−51.1%)

New holders (0)

Institutions that held ESS Tech, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

None.

Sold out (1)

Institutions that held ESS Tech, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of GWHWW in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Trust Co of Vermont130$11