Firm profile

Montgomery Investment Management Inc.

ROCKVILLE, MDCRD 105417Registration Status: ApprovedEffective since August 6, 1987SEC # 801-30150Latest ADV February 20, 2026

Montgomery Investment Management Inc is an SEC registered investment adviser organized as a corporation with a primary office location in Rockville, MD. Its latest Form ADV filing, dated February 20, 2026, reports $490M in regulatory assets under management, 3 employees, 3 offices, and 108 accounts.

Assets Under Management
$490M
Employees
3
Offices
3 offices
Total Clients
108

Associated firm names

1 name listed
  • MONTGOMERY INVESTMENT MANAGEMENT INC

Leadership

2 roles identified
CCOFranklin S. Koonce
CFOFranklin S. Koonce

Advisory services offered

1 types reported
Portfolio management for individuals and small businesses

Fee models offered

1 types reported
Asset based fees

Offices & Contact

Primary office

ROCKVILLE, Maryland, United States

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Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

Maryland

ROCKVILLEPrimary office

1 office records listed · 3 total offices reported. 2 additional office addresses are undisclosed and are not mapped. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$490Mas of February 20, 2026
Discretionary63.6%
$311M
64% of total RAUM63.6%
Non-discretionary36.4%
$179M
36% of total RAUM36.4%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Client Coverage Demographics

Top client segmentHNWI represent 99.1% of total clients.
Top client categories% of clientsClients
1
HNWI
99.1%
107
2
Charitable
0.9%
1
Categories with <5 clients
Charitable Organizations<5 clients

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$490M
Total Accounts108
10Y AUM Change+$219M (+81.2%)

Private Funds

Private funds reported by Montgomery Investment Management Inc.

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Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees3
Clients per Employee36:1
10Y Employee Change-2 (-40.0%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
CALVIN SCOTT KOONCEDirect owner · Schedule AInterest in MONTGOMERY INVESTMENT MANAGEMENT INC
75%+
MARTIN FOOTE OPPENHEIMERDirect owner · Schedule AInterest in MONTGOMERY INVESTMENT MANAGEMENT INC
10% to < 25%
FRANKLIN SCOTT KOONCEDirect owner · Schedule AInterest in MONTGOMERY INVESTMENT MANAGEMENT INC
5% to < 10%

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Montgomery Investment Management Inc..

No indirect ownership information reported in the source’s Schedule B.

Reported ownership and control details

Form ADV · Filing date 2026-02-20 · Schedules A and B

7 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1CALVIN SCOTT KOONCECHAIRMAN/MANAGING DIR.IndividualMONTGOMERY INVESTMENT MANAGEMENT INC75% or moreCode EYesCHAIRMAN/MANAGING DIR.04/1987Schedule APDF page 19
2FRANKLIN SCOTT KOONCEPRESIDENT/CFO/TREAS./CCO/MANAGING DIR.IndividualMONTGOMERY INVESTMENT MANAGEMENT INC5% to less than 10%Code AYesPRESIDENT/CFO/TREAS./CCO/MANAGING DIR.01/1998Schedule APDF page 19
3JANET BELL KOONCEVP/DIRECTORIndividualMONTGOMERY INVESTMENT MANAGEMENT INCLess than 5%Code NAYesVP/DIRECTOR04/1987Schedule APDF page 19
4LAURA CATHERINE MURPHYDIRECTORIndividualMONTGOMERY INVESTMENT MANAGEMENT INCLess than 5%Code NAYesDIRECTOR04/1987Schedule APDF page 19
5MARTIN FOOTE OPPENHEIMEROWNERIndividualMONTGOMERY INVESTMENT MANAGEMENT INC10% to less than 25%Code BNoOWNER04/1987Schedule APDF page 19
6VIRGINIA KOONCE CRAIGDIRECTORIndividualMONTGOMERY INVESTMENT MANAGEMENT INCLess than 5%Code NANoDIRECTOR11/1987Schedule APDF page 19
7KATHLEEN KOONCE GOODIERDIRECTORIndividualMONTGOMERY INVESTMENT MANAGEMENT INCLess than 5%Code NANoDIRECTOR01/2010Schedule APDF page 19

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 2/20/2026 10:18:20 AM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.