Investment adviser · CRD 171279

ISTHMUS PARTNERS, LLC

Investment adviser filing (IA)

MADISON, WI, United States · Form ADV filed Jan 23, 2026

Regulatory AUM
$1.44B
Form ADV · Item 5.F
Client accounts
1,894
Accounts, not individual clients
Employees
17
Reported in this filing
Advisory professionals
8
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
High-net-worth individuals208$1,142,271,23979.4%
Individuals149$138,003,3689.6%
Charities5$96,411,8206.7%
Retirement plans14$35,726,6712.5%
Corporations & businesses5$26,124,4181.8%
Filing source

Form ADV 2043446 · Jan 23, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

0 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

This filing answers No to private funds.

Services & filing details

Most recent filing: Jan 23, 2026. View historical filings

Reported services

Financial planning · Individual portfolio management · Business portfolio management · Educational seminars

Compensation

Percentage of assets · Hourly · Fixed

Principal office

1 SOUTH PINCKNEY STREET, SUITE 800
MADISON, WI, 53703, United States

CRD 171279

Filing source

Form ADV 2043446 · Jan 23, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.