William Margolis
Professional summary
William Margolis, who also goes by Memo Margolis, is a registered financial advisor currently at PARK AVENUE SECURITIES LLC located in Hollywood, Florida.
William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1987. William has worked at 6 firms and has passed the Series 66, Series 63, SIE, Series 7 and Series 3 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William Margolis's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view William Margolis's CRS (Customer Relationship Summary).
Certified licenses
Experience
July 15, 2009 - Present
PARK AVENUE SECURITIES LLC
Office #1: 4000 Hollywood Blvd 310 N, Hollywood, FL 33021Office #2: One Biscayne Tower 2 South Biscayne Blvd 1740, Miami, FL 33131September 23, 2008 - Present
PARK AVENUE SECURITIES LLC
Office #1: 4000 Hollywood Blvd 310 N, Hollywood, FL 33021Office #2: One Biscayne Tower 2 South Biscayne Blvd 1740, Miami, FL 33131November 18, 2004 - April 6, 2005
STG SECURE TRADING GROUP, INC.
July 1, 2003 - July 10, 2003
WELLS FARGO CLEARING SERVICES, LLC
July 1, 2003 - July 10, 2003
WELLS FARGO CLEARING SERVICES, LLC
January 3, 1997 - July 1, 2003
PRUDENTIAL EQUITY GROUP, LLC
January 10, 1991 - July 1, 2003
PRUDENTIAL EQUITY GROUP, LLC
January 2, 1991 - January 7, 1991
PRUDENTIAL EQUITY GROUP, LLC
October 11, 1989 - January 18, 1991
GRUNTAL & CO., L.L.C.
October 20, 1987 - October 14, 1989
J.P. MORGAN SECURITIES LLC
Primary Firm SEC Registration
PARK AVENUE SECURITIES LLC
CRD#: 46173 / SEC#: 801-58108, 8-51324
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(3/9/2022)
(3/9/2022)
(9/26/2008)
(7/15/2009)
(3/29/2022)
(3/31/2022)
(2/8/2022)
(2/8/2022)
(8/12/2025)
(8/13/2025)
(1/27/2022)
(1/5/2023)
(9/24/2021)
(5/24/2022)
(5/24/2022)
Exams
FINRA
Current Firm
PARK AVENUE SECURITIES LLC
CRD#: 46173 / SEC#: 801-58108, 8-51324
Contact information
SEC notice filing (53 States and Territories)
FINRA licenses (53 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA | OWNER | |
| BOGGS, ALLEN WARREN | HEAD OF PRODUCT & SUPERVISION | 4751363 |
| CASWELL, MARIANNE GRACE | PRESIDENT AND ELECTED MEMBER | 6424651 |
| DAVARASHVILI, KATE | FINOP/PRINCIPAL FINANCIAL OFFICER. | 5642325 |
| DESROCHERS, CARL | ELECTED MEMBER | 7807194 |
| GALLO, JOSEPH MICHAEL | CHIEF COMPLIANCE OFFICER | 3108044 |
| HERGAN, JOSHUA NEIL | GENERAL COUNSEL | 4572643 |
| LESINA, LEYLA ADA | ELECTED MEMBER | 3004323 |
| MAHER, CARLY PRITCHARD | HEAD OF WEALTH MANAGEMENT STRATEGY AND BUSINESS OPERATIONS | 4003223 |
| PERRY, MICHAEL ANDREW | ELECTED MEMBER | 2688179 |
| RYNIKER, MICHAEL JOHN | PRINCIPAL OPERATIONS OFFICER | 2474604 |
Regulatory assets under management
| Total Number of Accounts | 71,074 |
| AUM (Assets Under Management) | $ 14,998,852,974 |
Disclosures
| Regulatory Event | 20 |
| Arbitration | 3 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 11/25/2025 | ||
| 01/22/2025 | ||
| 11/15/2023 |
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
PARK AVENUE SECURITIES LLC
CRD#: 46173Hollywood, FL 33021TRUST BUT VERIFY
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