ESS Tech
49 hedge funds and large institutions have $4.02M invested in ESS Tech in 2025 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 10 increasing their positions, 9 reducing their positions, and 4 closing their positions.
100% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 4
11% more repeat investments, than reductions
Existing positions increased: 10 | Existing positions reduced: 9
9% more funds holding
Funds holding: 45 → 49 (+4)
3.38% less ownership
Funds ownership: 28.35% → 24.96% (-3.4%)
63% less capital invested
Capital invested by funds: $11M → $4.02M (-$6.96M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$28K |
| 2 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$27.6K |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$22.2K |
| 4 |
Renaissance Technologies
New York
|
+$21.9K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
+$5.41K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Baird Financial Group
Milwaukee,
Wisconsin
|
-$1.2M |
| 2 |
Millennium Management
New York
|
-$68.9K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$15.5K |
| 4 |
PA
Parallel Advisors
San Francisco,
California
|
-$10.3K |
| 5 |
GAA
Green Alpha Advisors
Niwot,
Colorado
|
-$4.53K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
51
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | -$24 | -13 | -12% |
|
|
CMP
52
Coston McIsaac & Partners
Bar Harbor,
Maine
| – | +$6 | +3 | New |
|
|
FIA
53
FNY Investment Advisers
New York
| – | +$1.4K | +750 | New |
|
GWH Hedge Fund Activity: Q2 2025 in Review
49 of the 7,598 institutional investors tracked by Wall St. Rank reported a position in ESS Tech (GWH) for Q2 2025, worth a combined $4.02M — down 63% from $11M a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new GWH positions and 4 closed out — a net gain of 4 holders — while 10 added to existing stakes and 9 trimmed.
The largest buyer was GSA Capital Partners, adding an estimated $28K. The largest seller was Baird Financial Group, exiting entirely with an estimated $1.2M sold.
- 49 institutional investors held ESS Tech (GWH) as of Q2 2025, up from 45 in Q1 2025.
- Funds reported $4.02M of ESS Tech stock for Q2 2025, down 63% quarter-over-quarter.
- 8 funds opened new ESS Tech positions in Q2 2025 and 4 closed out, a net change of +4 holders.
- The largest ESS Tech buyer in Q2 2025 was GSA Capital Partners, an estimated $28K added.
- The largest ESS Tech seller in Q2 2025 was Baird Financial Group, an estimated $1.2M sold.
Based on aggregated 13F filings for Q2 2025.