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ESS Tech
GWH

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.

New
Increased
Maintained
Reduced
Closed

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

Holders
46
Holders Change
-3
Holders Change %
-6.12%
% of All Funds
0.6%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
8
Increased
13
Reduced
4
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
ACM
Arosa Capital Management
Florida
+$1.1M
2
Jane Street
Jane Street
New York
+$79.9K
3
YAG
Yorkville Advisors Global
New Jersey
+$79K
4
Vanguard Group
Vanguard Group
Pennsylvania
+$56.3K
5
Citadel Advisors
Citadel Advisors
Florida
+$32.3K

Top Sellers

Rank Fund Capital Flow
1
GCP
GSA Capital Partners
United Kingdom
-$133K
2
LNWTC
Laird Norton Wetherby Trust Company
Washington
-$28.2K
3
GAA
Green Alpha Advisors
Colorado
-$2.86K
4
Osaic Holdings
Osaic Holdings
Arizona
-$816
5
Raymond James Financial
Raymond James Financial
Florida
-$463
Name Holding Trade Value Shares
Change 		Change in
Stake
BNP Paribas Financial Markets
26
BNP Paribas Financial Markets
France
$679 +$5 +3 +0.7%
Group One Trading
27
Group One Trading
Illinois
$622 – – –
GRP
28
Global Retirement Partners
California
$556 -$147 -90 -20%
PA
29
Parallel Advisors
California
$456 – – –
PFBT
30
Parkside Financial Bank & Trust
Missouri
$355 – – –
JP Morgan Chase
31
JP Morgan Chase
New York
$258 +$2 +1 +0.6%
AF
32
Allworth Financial
California
$253 – – –
CS
33
Clear Street
New York
$192 +$206 +126 New
PS
34
Principal Securities
Iowa
$164 – – –
SS
35
SBI Securities
Japan
$126 +$15 +9 +12%
NA
36
NewEdge Advisors
Louisiana
$110 – – –
AIC
37
Archer Investment Corporation
Indiana
$103 – – –
WWM
38
Wolff Wiese Magana
California
$101 – – –
MIM
39
MTM Investment Management
South Carolina
$61 – – –
HIA
40
Harbor Investment Advisory
Maryland
$50 – – –
MG
41
Mather Group
Illinois
$30 +$33 +20 New
Jones Financial Companies
42
Jones Financial Companies
Missouri
$21 – – –
Wells Fargo
43
Wells Fargo
California
$15 +$16 +10 New
GLF
44
Groupe la Francaise
France
$8 +$10 +6 New
GCP
45
GSA Capital Partners
United Kingdom
– -$133K -100,034 Closed
LNWTC
46
Laird Norton Wetherby Trust Company
Washington
– -$28.2K -21,184 Closed
Raymond James Financial
47
Raymond James Financial
Florida
– -$463 -348 Closed
Northwestern Mutual Wealth Management
48
Northwestern Mutual Wealth Management
Wisconsin
– -$164 -123 Closed
FFA
49
Farther Finance Advisors
California
– -$88 -66 Closed
SWP
50
Strategic Wealth Partners
Ohio
– -$47 -35 Closed
1
2
3

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.