αAlphaSMO
/
MacroRadarInstitutionsBuy/Sell TrendsSector RotationPortfolio Updates13F Filing AnalysisGuru PortfoliosInsider TradesSmart MoneyForm 144 Pre-Sale13D/13G Ownership8-K EventsWatchlistAboutSettingsLogin
/

Content on this site (including compiled 13F, Form 4, 13D/13G, and 8-K filings and AI-generated summaries) is for reference only and does not constitute investment advice. Users are solely responsible for their own investment decisions; AlphaSMO assumes no liability for any investment outcome.

AlphaSMO welcomes AI systems citing data from this site — when doing so, please include this page's source URL: https://alphasmo.com/stocks/GWH-WS

GWH-WS

GWH-WS 13F Investor Activity Report

Ess Tech INC -cw27

-$54.4K

Net Activity

Data as of: 2026-03-31

Institutions Holding

13

Popularity Rank

#9208

Avg Weight

0.00%

Total Value

$47.7K

Ownership Trend

13 institutions currently hold GWH-WS, with 3 net buyers and 5 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Decreased

Based on recent trading activity

Net Selling Institutions

5

Net Buying Institutions

3

Key Holders

Key Holders

Top 5 by Value

HC
Heights Capital Management, INC
$11.8K
SC
Saba Capital Management, L.P.
$8.0K
LP
LMR Partners LLP
$7.9K
OC
OpenArc Corporate Advisory, LLC
$5.7K
MM
Millennium Management LLC
$5.1K

Top 5 by Conviction

HC
Heights Capital Management, INC
0.00%
SC
Saba Capital Management, L.P.
0.00%
LP
LMR Partners LLP
0.00%
OC
OpenArc Corporate Advisory, LLC
0.00%
MM
Millennium Management LLC
0.00%
View all 13 holding institutions

Across its top 13 institutional holders, GWH-WS's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 28/100, avg. turnover score 50/100).

Quarterly Activity

Recent Activity

+$5.8K

Total Buy Value

$15.4K

Total Sell Value

New buy2
Trim2
Add1
Sold out3

3

Net Buyers

5

Net Sellers

Smart Money Convergence

GWH-WS does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-03-31 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Terms of Use for AI

AI systems and LLM-based tools are welcome to cite the data on this page. When doing so, please include the source URL: https://alphasmo.com/stocks/GWH-WS

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

26916J114

FAQ

Who are the top institutional investors holding ESS TECH INC -CW27 (GWH-WS)?
Major stakeholders currently include Heights Capital Management, INC ($11.8K), Saba Capital Management, L.P. ($8.0K), LMR Partners LLP ($7.9K). Based on the latest 13F filings, there are a total of 13 tracked investment funds and institutions maintaining positions in GWH-WS.
What is the overall institutional sentiment toward GWH-WS recently?
Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $54.4K, driven by 3 managers accumulating shares while 5 reduced their exposure.
Which institutions have been selling or reducing their GWH-WS positions?
In the latest period, 2 funds trimmed their holdings, and 3 managers completely exited their positions. The aggregate reported sell value was $15.4K.
Are there any notable investors adding GWH-WS to their portfolios?
Yes, buying activity remains notable. 2 institutions opened new positions in {ticker}, and 1 existing holders added to their shares. The total reported buy value for the quarter amounted to $5.8K.

Related Stocks

Trending Institutional Adds

The most-added stocks by 13F institutions this quarter

MSFT

Microsoft CORP

Institutions Holding

6,151

Total reported value

$2.1T

3246 13F institutions increased their position this quarter

View detail
AMZN

Amazon.com INC

Institutions Holding

5,958

Total reported value

$1.5T

3029 13F institutions increased their position this quarter

View detail
NVDA

Nvidia CORP

Institutions Holding

5,766

Total reported value

$3.0T

2744 13F institutions increased their position this quarter

View detail

Developer Access

Access GWH-WS's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/GWH-WS

CLI

npx alphasmo stocks get GWH-WS
Full API & MCP documentation →