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Timothy S. Mostak

MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST
PHILADELPHIA, PA 19103-7098
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CRD#: 6223817
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Professional summary


Timothy Stephen Mostak, who also goes by Tim Mostak, Timothy Mostak, is a registered financial advisor currently at MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST located in Philadelphia, Pennsylvania and MACQUARIE CAPITAL (USA) INC. located in New York, New York.

Timothy is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2013. Timothy has worked at 7 firms and has passed the Series 66, Series 63, SIE and Series 7 exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
Yes

Aliases


Tim Mostak | Timothy Mostak

Other business activities


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.
The advisor shows no other business activity.

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view Timothy Stephen Mostak's CRS (Customer Relationship Summary).
CRS (Customer Relationship Summary)

Certified licenses


Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience


Current

April 20, 2020 - Present

MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST

Office #1: 2005 Market Street, Philadelphia, PA 19103-7098
RIA
CRD#: 105390
PHILADELPHIA, PA
Current

October 27, 2025 - Present

MACQUARIE CAPITAL (USA) INC.

Office #1: 660 5th Ave, New York, NY 10103
BD
CRD#: 36368
NEW YORK, NY
Past

March 19, 2020 - April 20, 2020

DELAWARE CAPITAL MANAGEMENT ADVISERS, INC

RIA
CRD#: 152237
PHILADELPHIA, PA
Past

March 19, 2020 - October 27, 2025

DELAWARE DISTRIBUTORS, L.P.

BD
CRD#: 14232
New York, NY
Past

April 23, 2019 - December 10, 2019

RESOURCE SECURITIES LLC

BD
CRD#: 133022
PHILADELPHIA, PA
Past

January 8, 2018 - April 17, 2019

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

RIA
CRD#: 7691
MOUNT LAUREL, NJ
Past

December 12, 2017 - April 17, 2019

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

BD
CRD#: 7691
MOUNT LAUREL, NJ
Past

August 5, 2013 - September 14, 2017

VANGUARD MARKETING CORPORATION

BD
CRD#: 7452
MALVERN, PA

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".
MI
MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST
CPG FUND ADVISERS | VANTAGE INVESTMENT ADVISERS | MACQUARIE PRIVATE FUND ADVISERS | MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST | MACQUARIE INVESTMENT MANAGEMENT ADVISERS | MACQUARIE ASSET ADVISERS | MACQUARIE ALTERNATIVE STRATEGIES | DELAWARE MANAGEMENT COMPANY | DELAWARE MANAGEMENT BUSINESS TRUST | DELAWARE LINCOLN INVESTMENT ADVISERS | DELAWARE LINCOLN CASH MANAGEMENT | DELAWARE INVESTMENTS FUND ADVISERS | DELAWARE CAPITAL MANAGEMENT

CRD#: 105390 / SEC#: 801-32108

RIA
Registered Investment Advisory firm - (5/31/1988 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 them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

RR
Alabama
(10/27/2025)
RR
Alaska
(10/27/2025)
RR
Arizona
(10/27/2025)
RR
Arkansas
(10/27/2025)
RR
California
(10/27/2025)
RR
Colorado
(10/27/2025)
RR
Connecticut
(10/27/2025)
RR
Delaware
(10/27/2025)
RR
District of Columbia
(10/27/2025)
RR
Florida
(10/28/2025)
RR
Georgia
(10/27/2025)
RR
Hawaii
(10/27/2025)
RR
Idaho
(10/27/2025)
RR
Illinois
(10/27/2025)
RR
Indiana
(10/27/2025)
RR
Iowa
(10/27/2025)
RR
Kansas
(10/27/2025)
RR
Kentucky
(10/27/2025)
RR
Louisiana
(10/27/2025)
RR
Maine
(10/27/2025)
RR
Maryland
(10/27/2025)
RR
Massachusetts
(10/27/2025)
RR
Michigan
(10/27/2025)
RR
Minnesota
(10/27/2025)
RR
Mississippi
(10/27/2025)
RR
Missouri
(10/27/2025)
RR
Montana
(10/27/2025)
RR
Nebraska
(10/27/2025)
RR
Nevada
(10/27/2025)
RR
New Hampshire
(10/27/2025)
IAR
New Jersey
(4/20/2020)
RR
New Jersey
(10/27/2025)
RR
New Mexico
(10/27/2025)
RR
New York
(10/27/2025)
RR
North Carolina
(10/27/2025)
RR
North Dakota
(10/27/2025)
RR
Ohio
(10/27/2025)
RR
Oklahoma
(10/27/2025)
RR
Oregon
(10/27/2025)
IAR
Pennsylvania
(4/20/2020)
RR
Pennsylvania
(10/27/2025)
RR
Puerto Rico
(10/27/2025)
RR
Rhode Island
(10/27/2025)
RR
South Carolina
(10/27/2025)
RR
South Dakota
(10/27/2025)
RR
Tennessee
(10/27/2025)
RR
Texas
(10/27/2025)
RR
Utah
(10/27/2025)
RR
Vermont
(10/27/2025)
RR
Virgin Islands
(10/27/2025)
RR
Virginia
(10/27/2025)
RR
Washington
(10/27/2025)
RR
West Virginia
(10/27/2025)
RR
Wisconsin
(10/27/2025)
RR
Wyoming
(10/27/2025)

Exams


State Security Law Exam
RR
IAR
Series 66
Date: 12/29/2017
Uniform Combined State Law Examination
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
SRO Registrations
RR
FINRA

Current Firm


MI
MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST
CPG FUND ADVISERS | VANTAGE INVESTMENT ADVISERS | MACQUARIE PRIVATE FUND ADVISERS | MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST | MACQUARIE INVESTMENT MANAGEMENT ADVISERS | MACQUARIE ASSET ADVISERS | MACQUARIE ALTERNATIVE STRATEGIES | DELAWARE MANAGEMENT COMPANY | DELAWARE MANAGEMENT BUSINESS TRUST | DELAWARE LINCOLN INVESTMENT ADVISERS | DELAWARE LINCOLN CASH MANAGEMENT | DELAWARE INVESTMENTS FUND ADVISERS | DELAWARE CAPITAL MANAGEMENT

CRD#: 105390 / SEC#: 801-32108

RIA
Registered Investment Advisory firm - (5/31/1988 Approved)
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Contact information


Main Address
610 Market Street, Philadelphia, PA 19106
Mailing Address
Phone number
(215) 255-2300
Established
Firm type
Fiscal year end
# of Employees
598

SEC notice filing (51 States and Territories)


Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents


Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST FORM ADV-PART 2A BROCHURE (6/27/2025)

Regulatory assets under management


Total Number of Accounts317
AUM (Assets Under Management)$ 164,320,917,908

Red Flags


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.

Company Information


MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST

CRD#: 105390Philadelphia, PA 19103-7098

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