John M. Butler
Professional summary
John Michael Butler is a registered financial advisor currently at CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. located in Hyannis, Massachusetts and CAMBRIDGE INVESTMENT RESEARCH, INC. located in Hyannis, Massachusetts.
John is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1998. John has worked at 5 firms and has passed the Series 65, Series 63, SIE, Series 7, Series 6 and Series 24 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view John Michael Butler's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 13, 2022 - Present
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
Office #1: 801 West Main St. Ste. 101, Hyannis, MA 02601December 9, 2022 - Present
CAMBRIDGE INVESTMENT RESEARCH, INC.
Office #1: 801 West Main Street, Hyannis, MA 02601September 15, 2009 - June 1, 2023
CANTELLA & CO., INC.
September 8, 2009 - December 9, 2022
CANTELLA & CO., INC.
March 28, 2001 - October 28, 2004
THE CAPITAL GROUP, INC.
March 18, 2001 - August 31, 2009
COMMONWEALTH FINANCIAL NETWORK
March 3, 2000 - August 31, 2009
COMMONWEALTH FINANCIAL NETWORK
July 6, 1998 - December 31, 1999
COMMONWEALTH FINANCIAL NETWORK
Primary Firm SEC Registration
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(12/9/2022)
(12/9/2022)
(12/9/2022)
(10/10/2025)
(12/9/2022)
(12/9/2022)
(12/13/2022)
(2/24/2023)
(10/10/2025)
(12/9/2022)
(9/12/2025)
(11/19/2025)
(12/9/2022)
(12/13/2022)
(12/9/2022)
(12/9/2022)
Exams
FINRA
Current Firm
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
Contact information
SEC notice filing (53 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 438,414 |
| AUM (Assets Under Management) | $ 102,413,096,032 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 12/16/2025 | ||
| 11/26/2025 | ||
| 12/09/2024 | ||
| 04/29/2024 |
Red Flags
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Company Information
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139Hyannis, MA 02601TRUST BUT VERIFY
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