Firm profile

Five Mile River Investment Management, LLC

CRD 125964Registration Status: ApprovedEffective since June 25, 2026Latest ADV June 29, 2026

Five Mile River Investment Management, LLC is an SEC registered investment adviser organized as a limited liability company. Its latest Form ADV filing, dated June 29, 2026, reports $109M in regulatory assets under management, 4 employees, 2 offices, and 110 accounts.

Assets Under Management
$109M
Employees
4
Offices
2 offices
Total Clients
110
Primary office
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

1 roles identified
CCOThayer B. Robbins

Advisory services offered

1 types reported
Portfolio management for individuals and small businesses

Fee models offered

1 types reported
Asset based fees
Sources checked Aug 22, 2026

Client Coverage Demographics

Top client segmentHNWI represent 98.2% of total clients.
Top client categories% of clientsClients
1
HNWI
98.2%
108
2
Pension Plans
0.9%
1
3
Charitable
0.9%
1
Categories with <5 clients
Charitable Organizations<5 clients
Pension and profit sharing plans<5 clients

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$109Mas of June 29, 2026
Discretionary100.0%
$109M
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Assets under management Growth by Quarter

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

Total AUM$109M
Total Accounts110
10Y AUM Change

Employee Growth by Quarter

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

Total Employees4
Clients per Employee28:1
10Y Employee Change

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.

This firm has a multi year gap in available SEC ADV filing history between 2012 and 2026. Charts show the most recent available filing segment under this CRD.

* 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.