J.M. Arbour, Llc
- Regulatory AUM
- $183M
- Discretionary
- $183M
- Clients
- 720
- Avg AUM / client
- $254K
- Accounts
- 1,253
- Employees
- 12
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 692 | $123M | 67.0% |
| High net worth individuals | 28 | $60.5M | 33.0% |
People (9)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Jac Michael Arbour | Managing Member/Chief Compliance Officer | CFP Chartered Financial Consultant | Nov 2016 (10y) | 75% or more |
| Pcolar, Devon, Rae | Chief Operating Officer | May 2020 (6y) | Less than 5% | |
| James C Lowell | Registered representative | Jun 2022 (4y) | ||
| Miles Thomas Whitlock | Registered representative | Chartered Financial Consultant | Jun 2022 (4y) | |
| William Sinclair Cummings | Registered representative | Jun 2022 (4y) | ||
| Evan Nathaniel Campbell | Registered representative | CFA | Aug 2025 (1y) | |
| Gavin Mayland Stern | Registered representative | Oct 2025 (1y) | ||
| Matthew Thomas Gosselin | Registered representative | Dec 2025 (1y) | ||
| Nicholas John Sickinger | Registered representative | Jan 2026 (1y) |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
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) | 03/31/2026 | 978 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
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- Charles Schwab & Co. $183M (100% of AUM) Mar 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: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗