GWH — ESS TECH INC
As of Q2 2026, 9 SEC-registered investment managers reported holding GWH (ESS TECH INC) in their latest 13F filings, with a combined reported value of $1.03M across 1.08M shares. That is +111.8% by share count (+572.06K shares) versus the previous quarter, while reported value moved +72.1%. Ownership is concentrated: the five largest holders account for 96.5% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 2 opened new positions, 3 added to existing stakes, 2 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
GWH is classified in the Miscellaneous sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Vanguard Group history | Q4 2025 | 485.92K | $913.53K | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 602.61K | $572.48K | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 210.04K | $199.55K | 0.00% | Reduce |
| BlackRock Inc history | Q2 2026 | 133.87K | $127.17K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | Q2 2026 | 52.48K | $49.86K | 0.00% | Hold |
| Northern Trust Corp history | Q2 2026 | 47.53K | $45.16K | 0.00% | Add |
| Citadel Advisors history | Q3 2025 | 19.77K | $30.05K | 0.00% | New |
| JPMorgan Chase & Co history | Q2 2026 | 19.90K | $19.62K | 0.00% | New |
| Millennium Management history | Q4 2025 | 10.11K | $19.01K | 0.00% | New |
| Renaissance Technologies history | Q2 2026 | 12.70K | $12.06K | 0.00% | New |
| Bank of America Corp history | Q4 2025 | 2.70K | $5.08K | 0.00% | Add |
| PNC Financial Services history | Q4 2025 | 2.44K | $4.59K | 0.00% | Hold |
| Morgan Stanley history | Q2 2026 | 4.56K | $4.33K | 0.00% | Reduce |
| Wells Fargo & Co history | Q2 2026 | 36 | $34 | 0.00% | Hold |
| Citigroup Inc history | Q1 2026 | 1 | $1 | 0.00% | Hold |
New Positions (Q2 2026)
- JPMorgan Chase & Co 19.90K sh · $19.62K
- Renaissance Technologies 12.70K sh · $12.06K
Fully Exited (vs previous quarter)
- Citigroup Inc sold 1 sh · $1
Fund Position History — shares by quarter (top 15 funds)
| Fund | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|
| UBS Group AG | — | 15.80K | 12.01K | 3.74K | 14.85K | 44.72K | 149.28K | 602.61K |
| Geode Capital Management | 50.45K | 49.80K | 52.10K | 54.10K | 56.81K | 136.47K | 223.56K | 210.04K |
| BlackRock Inc | 53.02K | 54.59K | 54.59K | 53.15K | 53.15K | 50.37K | 50.37K | 133.87K |
| Fidelity Management & Research (FMR) | 52.48K | 52.48K | 52.48K | 52.48K | 52.48K | 52.49K | 52.49K | 52.48K |
| Northern Trust Corp | 10.59K | 10.59K | 10.59K | 10.59K | 10.59K | 10.59K | 31.34K | 47.53K |
| JPMorgan Chase & Co | 701 | 156 | 156 | 169 | 170 | 74.26K | — | 19.90K |
| Renaissance Technologies | 19.56K | 16.26K | 15.86K | 27.56K | 27.56K | — | — | 12.70K |
| Morgan Stanley | 4.36K | 4.03K | 4.81K | 5.31K | 5.22K | 2.09K | 4.59K | 4.56K |
| Wells Fargo & Co | — | 13 | — | — | 10 | 45 | 36 | 36 |
| Citadel Advisors | — | — | — | — | 19.77K | — | — | — |
| Bank of America Corp | 4.39K | 7.23K | 2.66K | 2.52K | 2.55K | 2.70K | — | — |
| Citigroup Inc | 4 | — | — | — | — | 1 | 1 | — |
| Millennium Management | 63.12K | 36.75K | 21.15K | — | — | 10.11K | — | — |
| PNC Financial Services | 2.44K | 2.44K | 2.44K | 2.44K | 2.44K | 2.44K | — | — |
| Vanguard Group | 191.72K | 187.72K | 217.99K | 229.87K | 264.33K | 485.92K | — | — |