ESS Tech
46 hedge funds and large institutions have $5.69M invested in ESS Tech in 2025 Q3 according to their latest regulatory filings, with 8 funds opening new positions, 13 increasing their positions, 4 reducing their positions, and 11 closing their positions.
225% more repeat investments, than reductions
Existing positions increased: 13 | Existing positions reduced: 4
42% more capital invested
Capital invested by funds: $4.02M → $5.69M (+$1.68M)
0.78% more ownership
Funds ownership: 24.96% → 25.74% (+0.78%)
6% less funds holding
Funds holding: 49 → 46 (-3)
27% less first-time investments, than exits
New positions opened: 8 | Existing positions closed: 11
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Arosa Capital Management
Miami Beach,
Florida
|
+$1.1M |
| 2 |
Jane Street
New York
|
+$79.9K |
| 3 |
YAG
Yorkville Advisors Global
Mountainside,
New Jersey
|
+$79K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$56.3K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$32.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$133K |
| 2 |
LNWTC
Laird Norton Wetherby Trust Company
Seattle,
Washington
|
-$28.2K |
| 3 |
GAA
Green Alpha Advisors
Niwot,
Colorado
|
-$2.86K |
| 4 |
Osaic Holdings
Scottsdale,
Arizona
|
-$816 |
| 5 |
Raymond James Financial
St Petersburg,
Florida
|
-$463 |
GWH Hedge Fund Activity: Q3 2025 in Review
46 of the 7,625 institutional investors tracked by Wall St. Rank reported a position in ESS Tech (GWH) for Q3 2025, worth a combined $5.69M — up 42% from $4.02M a quarter earlier.
Sellers outnumbered buyers: 11 funds closed out of GWH and 8 opened new positions — a net loss of 3 holders — while 4 trimmed existing stakes and 13 added.
The largest buyer was Arosa Capital Management, opening a new position worth an estimated $1.1M. The largest seller was GSA Capital Partners, exiting entirely with an estimated $133K sold.
- 46 institutional investors held ESS Tech (GWH) as of Q3 2025, down from 49 in Q2 2025.
- Funds reported $5.69M of ESS Tech stock for Q3 2025, up 42% quarter-over-quarter.
- 8 funds opened new ESS Tech positions in Q3 2025 and 11 closed out, a net change of -3 holders.
- The largest ESS Tech buyer in Q3 2025 was Arosa Capital Management, an estimated $1.1M added.
- The largest ESS Tech seller in Q3 2025 was GSA Capital Partners, an estimated $133K sold.
Based on aggregated 13F filings for Q3 2025.