Montgomery Investment Management provides portfolio management for individuals and small businesses.
Montgomery Investment Management reports 108 clients. They include 107 high-net-worth individuals and 1 charitable organization. Of its assets, 63.6% ($311M across 88 accounts) are managed with discretion; $179M across 20 accounts are not.
| Client type | Clients | Assets |
|---|---|---|
| High-net-worth individuals | 99% | 100% |
| Charitable organizations | <1% | <1% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| High-net-worth individuals | 107 | $488M | 99.5% | $4.56M |
| Charitable organizations | Fewer than 5 | $2.31M | 0.5% | $2.31M |
| Total | 108 | $490M | 100% | — |
- Clients
- 107
- Regulatory AUM
- $488M
- AUM share
- 99.5%
- Avg. per client
- $4.56M
- Clients
- Fewer than 5
- Regulatory AUM
- $2.31M
- AUM share
- 0.5%
- Avg. per client
- $2.31M
Total
- Clients
- 108
- Regulatory AUM
- $490M
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
Montgomery Investment Management charges 0.40%–1.20% for its Fee Schedule. The brochure does not state whether the rate is annual. The fee is billed in advance.
Fee details and sources
Calvin Koonce owns 75% or more of Montgomery Investment Management. The leadership team of Montgomery Investment Management includes President Franklin Koonce. It has 3 employees, 2 of them in advisory roles.
Leadership
- Franklin KooncePresident/CFO/Treas./CCO/Managing Dir.
- Virginia CraigDirector
- Kathleen GoodierDirector
- Janet KoonceVP/Director
- Laura MurphyDirector
- Martin OppenheimerOwner
- Calvin KoonceChairman/Managing Dir.
Investment adviser representatives
2 representatives listed in the SEC register as of 9 October 2026.
Staff
- 3 employees
- 2 in advisory functions
- 2 state-registered reps
- 1 broker-dealer rep
- Owns 75% or more of Montgomery Investment Management Inc
Calvin Koonce
Control person · since April 1987
- Owns 10% to 25% of Montgomery Investment Management Inc
Martin Oppenheimer
since April 1987
- Owns 5% to 10% of Montgomery Investment Management Inc
Franklin Koonce
Control person · since January 1998
Montgomery Investment Management’s regulatory assets grew 1.9× from $254M (March 2021) to $490M (February 2026); clients fell from 129 to 108 and employees from 4 to 3. In 2016, Lakeshore Capital joined it.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| February 2026 | $490M | 108 | 3 | 3 |
| February 2025 | $451M | 115 | 3 | 3 |
| February 2024 | $364M | 118 | 3 | 3 |
| January 2023 | $318M | 119 | 4 | 2 |
| March 2022 | $335M | 123 | 4 | 2 |
| March 2021 | $254M | 129 | 4 | 2 |
Firms that joined
20161 joined
- Lakeshore CapitalNo filed AUM
Firms whose SEC withdrawal reports a sale to this firm, and deals reported in the press. Teams that moved without selling a registered firm may not appear.
Besides its headquarters, Montgomery Investment Management has 2 offices (2 private residences, listed without an address), with 1 listed address in Maryland.
Maryland · 1 listed address
- 6229 Executive BLVD, RockvilleHQ
Contact and registration details
- Legal name
- Montgomery Investment Management Inc
- Headquarters
- 6229 Executive BLVD, Rockville, MD 20852
- Website
- miminvest.com
- Phone
- 301-897-9700
- SEC file
- 801-30150
- Founded
- 1987
- Structure
- Maryland corporation
- Fiscal year end
- December
Montgomery Investment Management uses Charles Schwab ($349M, 71%) and Bank of America ($141M, 29%) as custodians for its separately managed accounts. Montgomery Investment Management does not have custody of client assets.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $349M71%
- Bank of AmericaBank of America · Dallas, TX · $141M29%
At year end, Montgomery Investment Management’s separately managed accounts were mostly in stocks (90%) and cash (10%). Its reported 13F holdings for the quarter ended 30 June 2026 total $330M across 108 positions; the largest are United Rentals Inc. (11.7%), Vse Corp. (8.5%) and Deere & CO (4.9%).
What the accounts hold
- Stocks90%
- Cash10%
Reported 13F holdings
- $330M
- Reported 13F value
- 108
- Positions
- 51.9%
- In the 10 largest
- +12.4%
- Value vs. prior quarter
- United Rentals Inc.11.7%
- Vse Corp.8.5%
- Deere & CO4.9%
- Truist Finl Corp.4.8%
- Caterpillar Inc.4.6%
- iShares TR · 0-3 Mth Treasury4.3%
- Apple Inc.4.3%
- International Business Machs3.2%
- Conocophillips2.9%
- Nvr Inc.2.7%
Together, the ten largest are 51.9% of reported value.
How many clients does Montgomery Investment Management have?
Montgomery Investment Management has 108 clients and manages $490 million for them, as of February 2026. They include 107 high-net-worth individuals and 1 charitable organization.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 20 February 2026
What services does Montgomery Investment Management offer?
Montgomery Investment Management provides portfolio management for individuals and small businesses.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Montgomery Investment Management charge?
Montgomery Investment Management charges 0.40%–1.20% for its Fee Schedule. The brochure does not state whether the rate is annual. The fee is billed in advance.
Which custodians does Montgomery Investment Management use?
Montgomery Investment Management’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $349M and Bank of America (Dallas, TX), with $141M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 20 February 2026
How many financial advisors does Montgomery Investment Management have?
Montgomery Investment Management has 2 investment adviser representatives registered with state securities authorities, out of 3 employees, and 2 perform investment advisory functions. 1 employee is a registered representative of a broker-dealer and 0 employees are licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Montgomery Investment Management invest in?
At the end of its last fiscal year, Montgomery Investment Management’s separately managed accounts held 90% exchange-traded equities and 10% cash and equivalents.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Montgomery Investment Management?
Montgomery Investment Management’s direct owners are Calvin Koonce (75% or more), Franklin Koonce (5% to 10%) and Martin Oppenheimer (10% to 25%).
Source: Form ADV Part 1A, Schedules A and B, filed 20 February 2026
How does Montgomery Investment Management get paid?
Montgomery Investment Management is paid through a percentage of assets under management. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
Is Montgomery Investment Management registered with the SEC?
Yes, Montgomery Investment Management has been registered with the SEC as an investment adviser since 6 August 1987. Its CRD number is 105417 and its SEC file number is 801-30150.
Source: Form ADV Part 1A, Item 1, filed 20 February 2026; IAPD firm record
How do I contact Montgomery Investment Management?
Montgomery Investment Management’s main office is at 6229 Executive BLVD, Rockville, MD 20852. Its phone number is 301-897-9700. Its website is miminvest.com.