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ESS Tech Inc (GWH)

CUSIP: 26916J205 | NYSE | Industrials · Electrical Equipment & Parts | Micro Cap | 104 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AAyrton Capital LLC2,563,9348.1%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/AAlyeska Investment Group, L.P.1,400,0004.8%Newly reportedJun 30, 2026

Institutional Holders — Q3 2026

Geode Capital Management, LLC215,468
0.0% of portfolio›$36.6K
Busey Bank117,397
0.0% of portfolio›$20.0K
Green Alpha Advisors, LLC36,973
0.0% of portfolio›$6.3K
PKS Advisory Services, LLC24,000
0.0% of portfolio›$22.8K
StoneX Group Inc.18,278
0.0% of portfolio›$3.3K
Citigroup Inc15,893
0.0% of portfolio›$2.7K
Golden State Wealth Management, LLC2,707
0.0% of portfolio›$460
Parkside Financial Bank & Trust2,000
0.0% of portfolio›$340
SBI Securities Co., Ltd.1,073
0.0% of portfolio›$182
Archer Investment Corp68
0.0% of portfolio›$12
Wolff Wiese Magana LLC66
0.0% of portfolio›$12
William Mack & Associates, Inc.66
0.0% of portfolio›$12
MTM Investment Management, LLC40
0.0% of portfolio›$7
Harbor Investment Advisory, LLC33
0.0% of portfolio›$6
Larson Financial Group LLC20
0.0% of portfolio›$3
Mather Group, Llc.20
0.0% of portfolio›$3
Pinnacle Wealth Planning Services, Inc.6
0.0% of portfolio›$1
StyleTurnoverLocationFiled
Geode Capital Management, LLC
215,468$36.6K0.0%IndexVery LowBoston, MA2026-11-06
Busey Bank
117,397$20.0K0.0%GrowthVery LowUrbana, IL2026-10-26
Green Alpha Advisors, LLC
36,973$6.3K0.0%GrowthLowNiwot, CO2026-10-08
PKS Advisory Services, LLC
24,000$22.8K0.0%ETFMediumAlbany, NY2026-10-26
StoneX Group Inc.
18,278$3.3K0.0%ETFMediumNew York, NY2026-11-03
Citigroup Inc
15,893$2.7K0.0%CoreMediumNew York, NY2026-11-04
Golden State Wealth Management, LLC
2,707$4600.0%ETFMediumSanta Ana, CA2026-11-02
Parkside Financial Bank & Trust
2,000$3400.0%CoreVery LowSaint Louis, MO2026-10-27
SBI Securities Co., Ltd.
1,073$1820.0%Agg GrowthLowTokyo, Mexico2026-10-22
Archer Investment Corp
68$120.0%CoreMediumCarmel, IN2026-11-05
Wolff Wiese Magana LLC
66$120.0%GrowthLowCarslbad, CA2026-10-15
William Mack & Associates, Inc.
66$120.0%ETFLowTroy, MI2026-10-27
MTM Investment Management, LLC
40$70.0%CoreVery LowSpartanburg, SC2026-10-30
Harbor Investment Advisory, LLC
33$60.0%GrowthLowLutherville, MD2026-10-13
Larson Financial Group LLC
20$30.0%GrowthLowSt Louis, MO2026-11-05
Mather Group, Llc.
20$30.0%ETFMediumChicago, IL2026-10-14
Pinnacle Wealth Planning Services, Inc.
6$10.0%GARPLowMansfield, OH2026-10-27
No 13F filer matched
13G/AAyrton Capital LLC2,563,934
8.1% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched
13G/AAlyeska Investment Group, L.P.1,400,000
4.8% of class · Jun 30, 2026Newly reported
No 13F filer matched