Cox Capital Management Llc
SEC-registered
Wealth Manager · Small ($100M–$1B)
CRD 117593
· SEC file 801-78915
· Andover, MA
· WWW.FACEBOOK.COM
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ADV data as of Feb 25, 2026
- Regulatory AUM
- $361M
- Discretionary
- $361M
- Clients
- 216
- Avg AUM / client
- $1.7M
- Accounts
- 579
- Employees
- 4
AUM over time
$79.5M
$361M
Dec 2011
Dec 2025
Annual snapshots from Form ADV filings · as of Feb 25, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 108 | $44.1M | 12.2% |
| High net worth individuals | 93 | $291M | 80.7% |
| Charitable organizations | 10 | $22.3M | 6.17% |
| Corporations and other businesses | 5 | $3.2M | 0.88% |
People (4)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| William John Cox | President/Member/Cco | Jan 2002 (25y) | 50% – 75% | |
| Ethan Thomas Brown | Partner | Feb 2016 (11y) | 50% – 75% | |
| Harrison Oakes | Registered representative | Aug 2021 (5y) | ||
| Jillian Brooks | Registered representative | Jan 2024 (3y) |
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 02/25/2026 | 905 KB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Hourly charges
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Other services
Custody
Reported custodians
- Fidelity Investments $361M (100% of AUM) Feb 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Feb 25, 2026.
View current Form ADV (SEC/IAPD) ↗