Matthew Duffy
Professional summary
Matthew Duffy, who also goes by Matthew Patrick Duffy, is a registered financial professional currently at STONEHAVEN, LLC located in New York, New York.
Matthew is registered as a RR (Registered Representative) and started their career in finance in 2005. Matthew has worked at 6 firms and has passed the Series 63, Series 65, SIE and Series 7 exams.
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Matthew Duffy's CRS (Customer Relationship Summary).
Certified licenses
Experience
June 23, 2026 - Present
STONEHAVEN, LLC
Office #1: 600 Fifth Avenue 2nd Floor, New York, NY 10020March 4, 2019 - June 18, 2024
LAIDLAW & COMPANY (UK) LTD.
October 1, 2014 - December 4, 2017
LIFESCI CAPITAL
May 24, 2012 - September 22, 2014
ROBERTS MITANI, LLC
May 13, 2011 - November 22, 2011
COWEN PRIME SERVICES LLC
January 17, 2006 - October 22, 2010
BDR RESEARCH GROUP LLC
July 13, 2005 - December 31, 2005
BLACK DIAMOND RESEARCH, LLC
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(6/23/2026)
Exams
FINRA
Current Firm
STONEHAVEN, LLC
CRD#: 118913 / SEC#: , 8-53699
Contact information
FINRA licenses (52 States and Territories)
Disclosures
| Regulatory Event | 1 |
Red Flags
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