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WG

William E. Grenawitzke

OBERON SECURITIES
New York, NY 10022
Some features on this profile are disabled
CRD#: 5337998
WG

Professional summary

William Edward Grenawitzke, who also goes by Bill Grenawitzke, William Grenawitzke, Will Grenawitzke, is a registered financial professional currently at OBERON SECURITIES, LLC located in New York, New York.

William is registered as a RR (Registered Representative) and started their career in finance in 2008. William has worked at 4 firms and has passed the Series 63, Series 79TO, SIE, Series 79 and Series 7 exams.

Question & Answer

Are you a "fiduciary"?
No

Aliases

Bill Grenawitzke | William Grenawitzke | Will Grenawitzke

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) - BD

Click below to view William Edward Grenawitzke's 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

March 3, 2026 - Present

OBERON SECURITIES, LLC

Office #1: 445 Park Avenue, Suite 4b,, New York, NY 10022
BD
CRD#: 132598
New York, NY
Past

August 5, 2016 - December 8, 2016

ERNST & YOUNG CAPITAL ADVISORS, LLC

BD
CRD#: 152514
Westlake Village, CA
Past

December 3, 2010 - February 6, 2012

WILLIAM BLAIR

BD
CRD#: 1252
CHICAGO, IL
Past

November 26, 2008 - October 12, 2010

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

BD
CRD#: 7691
NEW YORK, NY

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

Visual representation of state registrations

This advisor is not registered in any state.

Exams

State Security Law Exam
RR
Series 63
Date: 7/27/2016
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
Series 79TO
Date: 3/3/2026
Investment Banking Registered Representative Examination
General Industry/Product Exam
RR
SIE
Date: 12/9/2025
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 79
Date: 8/5/2016
Investment Banking Registered Representative Examination
General Industry/Product Exam
RR
Series 7
Date: 10/17/2008
General Securities Representative Examination
SRO Registrations
RR
FINRA

Current Firm

OS
OBERON SECURITIES, LLC
OBERON SECURITIES, LLC

CRD#: 132598 / SEC#: , 8-66607

BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
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Contact information

Main Address
445 Park Avenue, Suite 4b, New York, NY 10022
Mailing Address
445 Park Avenue, Suite 4b, New York, NY 10022
Phone number
(212) 386-7080
Established
New York since 04/11/2003
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Small
# of Employees

FINRA licenses (22 States and Territories)

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

Documents

Direct owners and executive officers

NamePositionCRD#
OBERON MANAGEMENT, LLCMEMBER
BRESLAWSKY, ADAM SCOTTMANAGER2522542
EPSTEIN, ELADFINOP, MANAGER, ACO2731183
SCHMIDT, NICOLE ALEXANDRACCO, MANAGER2686117

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

OBERON SECURITIES, LLC

CRD#: 132598New York, NY 10022

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