# ESS TECH INC (GWH)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/GWH/

- Reporting holders: 1
- Reported value: $6.3K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Green Alpha Advisors, LLC](https://holderbook.com/funds/1439207-green-alpha-advisors-llc/) | $6.3K | 36,973 | 0.0% | 9 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 1 | $6.3K |
| Q2 2026 | 48 | $7.0M |
| Q1 2026 | 49 | $8.9M |
| Q4 2025 | 53 | $11.9M |
| Q3 2025 | 44 | $5.7M |
| Q2 2025 | 46 | $4.0M |
| Q1 2025 | 44 | $11.0M |
| Q4 2024 | 55 | $20.5M |
| Q3 2024 | 48 | $20.7M |
| Q2 2024 | 2 | $24.1K |
| Q1 2024 | 1 | $6.0K |
| Q4 2023 | 2 | $18.6K |