ESS Tech, Inc.

GWHWW

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

SEC filings (opens in a new tab)

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

Q4 2023 vs. Q3 2023

How the institutions holding ESS Tech, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of GWHWW: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Q4 2023	Change
Holders	14	14	0
Shares	2.20M	1.66M	−541.8K (−24.7%)
Value	$417.1K	$135.0K	−$282.1K (−67.6%)

New holders (2)

Institutions that held ESS Tech, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to GWHWW in Q4 2023
Institution	Shares	Value	% of portfolio
Bank of America Corp	100	$8	0.00%
Clear Street LLC	100	$8	0.00%

Sold out (2)

Institutions that held ESS Tech, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of GWHWW in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Castle Creek Arbitrage, LLC	412,019	$74.0K
Newbridge Financial Services Group, Inc.	3,000	$585