ESS TECH INC -CW27 (GWH-WS) Institutional Ownership Changes & 13F Activity
ESS TECH INC -CW27 (GWH-WS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Heights Capital Management, Inc, Greenhouse Wealth Management, Llc, Susquehanna International Group, Llp, Virtu Financial Llc, and Wolverine Asset Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Heights Capital Management, Inc | Sell | -75,497 | -12.9% | 510,721 | $2.81K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -46,776 | -30.3% | 107,548 | $592.00 | Q2 2026 | Aug 14, 2026 |
| Toronto Dominion Bank | Buy | +100 | — | 100 | $0.00 | Q2 2026 | Aug 14, 2026 |
| Clear Street Group Inc. | Buy | +400 | +200.0% | 600 | $3.00 | Q2 2026 | Aug 12, 2026 |
| Wolverine Asset Management Llc | Buy | +1,200 | +33.0% | 4,834 | $27.00 | Q2 2026 | Aug 10, 2026 |
| Virtu Financial Llc | Sell | -13,891 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
| Greenhouse Wealth Management, Llc | Sell | -50,000 | -100.0% | 0 | $0.00 | Q2 2026 | Apr 23, 2026 |
Frequently asked questions about GWH-WS activity
Which institutional owners are buying GWH-WS?
Institutional owners buying GWH-WS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GWH-WS activity?
"Buy" means an investor increased their reported position in GWH-WS compared to the prior reporting period. This reflects growing exposure to ESS TECH INC -CW27 (GWH-WS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GWH-WS increasing?
Institutional interest in GWH-WS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.