M&B Investment Advisors, Llc
SEC-registered
Wealth Manager · Small ($100M–$1B)
CRD 154255
· SEC file 801-129985
· Cincinnati, OH
· www.linkedin.com
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ADV data as of Mar 31, 2026
- Regulatory AUM
- $290M
- Discretionary
- $290M
- Clients
- 258
- Avg AUM / client
- $1.1M
- Accounts
- 565
- Employees
- 5
AUM over time
$31.0M
$290M
Dec 2011
Dec 2025
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 176 | $33.3M | 11.5% |
| High net worth individuals | 81 | $257M | 88.5% |
| Charitable organizations | 1 | $25.3K | 0.01% |
People (5)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Kurt A Marty | Member | Jun 2010 (16y) | 50% – 75% | |
| Michael Winston Bain | Chief Compliance Officer | CFP | Jun 2010 (16y) | 50% – 75% |
| Lionel Olivier Bey | Registered representative | Apr 2023 (3y) | ||
| Julie M Mesaros | Registered representative | Apr 2024 (2y) | ||
| Timothy A Ginn | Registered representative | CFP | Aug 2024 (2y) |
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 | 1.14 MB | 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
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Charles Schwab & Co. $104M (36% of AUM) Mar 2026
- UBS $82.0M (28% of AUM) Mar 2026
- Morgan Stanley $44.5M (15% 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) ↗