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Thomas Somerville Leffel

PROCYON
SHELTON, CT
·CRD# 1049612·29 years experience

Professional Summary

Thomas Somerville Leffel, who also goes by Thomas S Leffel, is a registered financial advisor currently at PROCYON located in Shelton, Connecticut and PURSHE KAPLAN STERLING INVESTMENTS located in Shelton, Connecticut. Thomas is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1997. Thomas has worked at 10 firms and has passed the Series 65, Series 63, Series 6TO, SIE, Series 7, Series 3 and Series...

At a Glance

Advisory Accounts Only

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

Thomas S Leffel

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Videos & Posts

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities. Check for any disclosures as part of your thorough research when choosing an advisor.

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Years of Experience

29 years in the financial services industry

Current & Past Employments

PROCYON·CRD# 288239
RIA
1 Corporate Drive Suite 225, Shelton, CT 06484
March 24, 2023 - Present
PURSHE KAPLAN STERLING INVESTMENTS·CRD# 35747
BD
1 Corporate Drive Suite 225, Shelton, CT 06484
March 3, 2026 - Present
ACADEMY SECURITIES, INC.·CRD# 17433
BD
South Norwalk, CT
October 12, 2017 - October 31, 2019
CCM SECURITIES, LLC·CRD# 104457
BD
New York, NY
July 21, 2010 - September 26, 2011
MF GLOBAL INC.·CRD# 6731
BD
New York, NY
February 26, 2007 - August 10, 2010
NEWEDGE USA, LLC·CRD# 36118
BD
Chicago, IL
September 4, 2001 - February 14, 2007
RBC CAPITAL MARKETS, LLC·CRD# 31194
BD
New York, NY
March 2, 1998 - September 21, 2001
DAIN RAUSCHER INCORPORATED·CRD# 7600
BD
January 15, 1998 - March 2, 1998
ROSENTHAL GLOBAL SECURITIES LLC·CRD# 19721
BD
Chicago, IL
October 30, 1997 - January 27, 1998
CANTOR FITZGERALD & CO.·CRD# 134
BD
New York, NY
February 11, 1997 - October 7, 1997

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Current Firm

PR
PROCYON

PROCYON | PROCYON TRUST | PROCYON PRIVATE WEALTH PARTNERS, LLC | PROCYON PRIVATE WEALTH PARTNERS LLC | PROCYON PARTNERS | PROCYON ADVISORS, LLC

CRD#: 288239 / SEC#: 801-110493
RIA
Registered Investment Advisory firm - SEC (5/26/2017 Approved)

Contact Information

Main Address

1 Corporate Drive Suite 225, Shelton, CT 06484

Phone Number

(475) 232-2704

# of Employees

76

SEC notice filing (42 States and Territories)

Registered to provide investment advisory services in 42 US states and territories.

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

PROCYON DISCLOSURE BROCHURE (10/13/2026)

Regulatory Assets Under Management

Total Number of Accounts

8,716

AUM (Assets Under Management)

$9,204,268,020

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Other business activities

Information obtained from regulatory filings. Advisors can request corrections through their firm or regulator.

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

1) Fixed Insurance. Investment Related. At Registered location. Fixed/Traditional Insurance. Agent. 4/2025. 1. 1. Provide insurance advice based on the needs of client(s).

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Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
PR
PROCYON

PROCYON | PROCYON TRUST | PROCYON PRIVATE WEALTH PARTNERS, LLC | PROCYON PRIVATE WEALTH PARTNERS LLC | PROCYON PARTNERS | PROCYON ADVISORS, LLC

CRD#: 288239 / SEC#: 801-110493
RIA
Registered Investment Advisory firm - SEC (5/26/2017 Approved)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.
RR
indicates the advisor is registered as a Registered Representative in this state, allowing securities offerings such as stocks, bonds, and mutual funds through a broker-dealer.
IAR
Connecticut
(3/24/2023)
RR
Connecticut
(3/4/2026)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.Note:This rule does not apply to broker-dealer activity.

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 65 — Uniform Investment Adviser Law Examination

Passed Mar 2023About the Series 65 exam

Series 63 — Uniform Securities Agent State Law Examination

Passed Oct 2017About the Series 63 exam

Series 6TO — Investment Company Products/Variable Contracts Representative Examination

Passed Jan 2026About the Series 6TO exam

SIE — Securities Industry Essentials Examination

Passed Oct 2018About the SIE exam

Series 7 — General Securities Representative Examination

Passed Oct 2017About the Series 7 exam

Series 3 — National Commodity Futures Examination

Passed Oct 2001About the Series 3 exam

Series 53 — Municipal Securities Principal Examination

Passed Mar 2010About the Series 53 exam
FINRA
SRO Registrations

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CRS (Client Relationship Summary) - RIA

Click below to view Thomas Somerville Leffel's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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