Firm profile

CASTLEKEEP INVESTMENT ADVISORS

WESTPORT, CTCRD 111656Latest ADV March 18, 2026

Castlekeep Investment Advisors is an SEC registered investment adviser organized as a limited liability company with a primary office location in Westport, CT. Its latest Form ADV filing, dated March 18, 2026, reports $921M in regulatory assets under management, 5 employees, and 464 accounts.

Assets Under Management
$921M
Employees
5
Offices
--
Total Clients
148
Primary office
WESTPORT, CT
257 RIVERSIDE AVENUE, 2ND FLOOR, WESTPORT, CT, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

3 roles identified
CEOCharles W. K. Haberstroh
CCOCharles W. K. Haberstroh
CIOCharles W. K. Haberstroh

Advisory services offered

5 types reported
Financial Planning Services
Portfolio management for businesses
Portfolio management for individuals and small businesses

Fee models offered

2 types reported
Asset based fees
Hourly charges
Sources checked May 13, 2026

Client Coverage Demographics

Top client segmentHNWI represent 44.6% of total clients.
Top client categories% of clientsClients
1
HNWI
44.6%
66
2
Individuals
33.8%
50
3
Corporations
21.6%
32
Categories with <5 clients
Charitable Organizations<5 clients

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$921Mas of March 18, 2026
Discretionary35.6%
$328M
36% of total RAUM35.6%
Non-discretionary64.4%
$593M
64% of total RAUM64.4%
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.

Latest AUM$921M
Total Accounts464
10Y AUM Change+$313M (+51.5%)

Employee Growth by Quarter

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

Total Employees5
Clients per Employee30:1
10Y Employee Change-1 (-16.7%)

* 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.