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ESSEX INVESTMENT MANAGEMENT COMPANY, LLC
CRD 109962File 801-55496
APPROVED
Retail clients
Filing as of Mar 30, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$712.7M
Above cohort median (national)
Discretionary AUM
$712.7M
Clients
117
117 accounts
Employees
13
Below cohort median in MA
Identity & registration
ADV Item 1- Organization form
- Limited Liability Company
- Firm type
- Registered
- SEC region
- BRO
- Registration date
- Mar 20, 1998
- Principal office
- 125 HIGH STREET, SUITE 1803, BOSTON, MA, 02110
- Phone
- 617-342-3200
- Website
- HTTPS://WWW.ESSEXINVEST.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $712.7M
- Discretionary AUM
- $712.7M
- Non-discretionary AUM
- $0
- Discretionary accounts
- 117
- Non-discretionary accounts
- 0
- Total accounts
- 117
- AUM per client
- $6.1M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Investment companies | 2 | $123.0M |
| Charitable organizations | 14 | $79.1M |
| High net worth individuals | 55 | $130.4M |
| Pooled investment vehicles | 2 | $68.8M |
| Pension and profit sharing plans | Fewer than 5 | $6.2M |
| State or municipal government entities | 8 | $226.9M |
| Individuals (other than high net worth individuals) | 35 | $78.4M |
Compensation & activities
ADV Items 5E, 5GCompensation
- A percentage of assets under your management
Advisory activities
- Portfolio management for businesses
- Portfolio management for investment companies
- Portfolio management for pooled investment vehicles
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- No
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- No
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- No
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.