ESS Tech
47 hedge funds and large institutions have $6.94M invested in ESS Tech in 2026 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 13 increasing their positions, 8 reducing their positions, and 8 closing their positions.
63% more repeat investments, than reductions
Existing positions increased: 13 | Existing positions reduced: 8
3.16% less ownership
Funds ownership: 28.01% → 24.84% (-3.2%)
8% less funds holding
Funds holding: 51 → 47 (-4)
22% less capital invested
Capital invested by funds: $8.9M → $6.94M (-$1.96M)
38% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 8
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$451K |
| 2 |
BlackRock
New York
|
+$83.1K |
| 3 |
Vanguard Fiduciary Trust
Malvern,
Pennsylvania
|
+$60.2K |
| 4 |
SC
Shay Capital
New York
|
+$30K |
| 5 |
PAS
PKS Advisory Services
Albany,
New York
|
+$23.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HCM
Heights Capital Management
San Francisco,
California
|
-$413K |
| 2 |
ACM
Arosa Capital Management
Miami Beach,
Florida
|
-$358K |
| 3 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$134K |
| 4 |
VF
Virtu Financial
New York
|
-$22K |
| 5 |
TSS
Two Sigma Securities
New York
|
-$19.4K |
GWH Hedge Fund Activity: Q2 2026 in Review
47 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in ESS Tech (GWH) for Q2 2026, worth a combined $6.94M — down 22% from $8.9M a quarter earlier.
Sellers outnumbered buyers: 8 funds closed out of GWH and 5 opened new positions — a net loss of 3 holders — while 8 trimmed existing stakes and 13 added.
The largest buyer was UBS Group, adding an estimated $451K. The largest seller was Heights Capital Management, cutting an estimated $413K.
- 47 institutional investors held ESS Tech (GWH) as of Q2 2026, down from 51 in Q1 2026.
- Funds reported $6.94M of ESS Tech stock for Q2 2026, down 22% quarter-over-quarter.
- 5 funds opened new ESS Tech positions in Q2 2026 and 8 closed out, a net change of -3 holders.
- The largest ESS Tech buyer in Q2 2026 was UBS Group, an estimated $451K added.
- The largest ESS Tech seller in Q2 2026 was Heights Capital Management, an estimated $413K sold.
Based on aggregated 13F filings for Q2 2026.