River Street Advisors, LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Aurora, IL. Its latest Form ADV filing, dated March 4, 2026, reports $539M in regulatory assets under management, 12 employees, 4 offices, and 1,081 accounts.
Portfolio management for individuals and small businesses
Fee models offered
2 types reported
Asset based fees
Fixed fees
Sources checked May 16, 2026
Client Coverage Demographics
Top client segmentIndividuals represent 68.7% of total clients.
Top client categories% of clientsClients
1
Individuals
68.7%
338
2
HNWI
28.3%
139
3
Corporations
2.4%
12
4
Charitable
0.6%
3
Categories with <5 clients
Charitable Organizations<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$539Mas of March 4, 2026
Discretionary96.6%
$521M
97% of total RAUM96.6%
Non-discretionary3.4%
$18M
3% of total RAUM3.4%
Regulatory assets under management are split between discretionary and non-discretionary assets.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total AUM$539M
Total Accounts1,081
10Y AUM Change+$424M (+366.8%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees12
Clients per Employee41:1
10Y Employee Change-1 (-7.7%)
* 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.