Montgomery Investment Management Inc
- Regulatory AUM
- $490M
- Discretionary
- $311M
- Clients
- 108
- Avg AUM / client
- $4.5M
- Accounts
- 108
- Employees
- 3
AUM over time
Annual snapshots from Form ADV filings · as of Feb 20, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 107 | $488M | 99.5% |
| Charitable organizations | 1 | $2.3M | 0.47% |
People (7)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Calvin Scott Koonce | Chairman/Managing Dir. | Apr 1987 (39y) | 75% or more | |
| Koonce, Janet, Bell | Vp/Director | Apr 1987 (39y) | Less than 5% | |
| Murphy, Laura, Catherine | Director | Apr 1987 (39y) | Less than 5% | |
| Oppenheimer, Martin, Foote | Owner | Apr 1987 (39y) | 10% – 25% | |
| Craig, Virginia, Koonce | Director | Nov 1987 (39y) | Less than 5% | |
| Franklin Scott Koonce | President/Cfo/Treas./Cco/Managing Dir. | Jan 1998 (29y) | 5% – 10% | |
| Goodier, Kathleen, Koonce | Director | Jan 2010 (17y) | Less than 5% |
Undisclosed: 0% – 10% 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) | 02/20/2026 | 945 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
Services
- • Portfolio management for individuals/small businesses
Custody
Reported custodians
- Charles Schwab & Co. $349M (71% of AUM) Feb 2026
- Bank Of America, National Association $141M (29% of AUM) Feb 2026
- U.S. Trust Pwm Custody Services $54.0M (24% of AUM) Feb 2019
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have 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 20, 2026.
View current Form ADV (SEC/IAPD) ↗