SJ
Steven J. Jefferis
WILLIAM BLAIR
Chicago, IL 60606
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CRD#: 709139
SJ
Professional summary
Steven Jay Jefferis is a registered financial professional currently at WILLIAM BLAIR located in Chicago, Illinois.
Steven is registered as a RR (Registered Representative) and started their career in finance in 1980. Steven has worked at 6 firms and has passed the Series 65, Series 63, SIE, Series 31, Series 7, Series 10, Series 9 and Series 8 exams.
Question & Answer
Are you a "fiduciary"?
No
Aliases
None
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.
CRS (Client Relationship Summary) - BD
Click below to view Steven Jay Jefferis'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®
NoneExperience
Current
January 16, 2026 - Present
WILLIAM BLAIR
Office #1: The William Blair Building 150 North Riverside, Chicago, IL 60606RIA
BD
CRD#: 1252
Chicago, IL
Past
January 3, 2000 - January 23, 2026
STIFEL, NICOLAUS & COMPANY, INCORPORATED
RIA
CRD#: 793
DUBLIN, OH
Past
September 17, 1998 - January 22, 2026
STIFEL, NICOLAUS & COMPANY, INCORPORATED
BD
CRD#: 793
DUBLIN, OH
Past
October 28, 1991 - August 25, 1998
FIFTH THIRD SECURITIES, INC.
BD
CRD#: 628
CINCINNATI, OH
Past
September 4, 1990 - October 22, 1991
WELLS FARGO CLEARING SERVICES, LLC
BD
CRD#: 19616
ST. LOUIS, MO
Past
February 21, 1989 - September 4, 1990
PRESCOTT, BALL & TURBEN, INC.
BD
CRD#: 7656
Past
November 4, 1981 - March 7, 1989
STIFEL, NICOLAUS & COMPANY, INCORPORATED
BD
CRD#: 793
Past
June 2, 1980 - October 1, 1983
VERCOE & COMPANY, INC.
BD
CRD#: 855
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".
WILLIAM BLAIR
WILLIAM BLAIR | WILLIAM BLAIR & COMPANY L.L.C. | WILLIAM BLAIR & COMPANY
CRD#: 1252 / SEC#: 801-688, 8-2698
RIA
Registered Investment Advisory firm - SEC (12/24/1947 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
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(1/16/2026)
RR
Arizona(1/16/2026)
RR
Arkansas(1/26/2026)
RR
California(1/16/2026)
RR
Colorado(1/16/2026)
RR
Connecticut(1/16/2026)
RR
Georgia(1/16/2026)
RR
Indiana(1/23/2026)
RR
Kansas(1/16/2026)
RR
Kentucky(1/16/2026)
RR
Michigan(1/16/2026)
RR
Missouri(1/16/2026)
RR
New Jersey(1/16/2026)
RR
New York(1/16/2026)
RR
Ohio(1/16/2026)
RR
Pennsylvania(1/16/2026)
RR
Tennessee(1/16/2026)
RR
Texas(1/16/2026)
RR
Virginia(1/16/2026)
RR
West Virginia(1/16/2026)
Exams
State Security Law Exam
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
Principal/Supervisory Exam
Principal/Supervisory Exam
Principal/Supervisory Exam
RR
Series 8
Date: 9/16/1983
General Securities Sales Supervisor Examination (Options Module & General Module)SRO Registrations
RR
FINRA
SRO Registrations
RR
NYSE American LLC
SRO Registrations
RR
NYSE Texas, Inc.
SRO Registrations
RR
Nasdaq Stock Market
SRO Registrations
RR
New York Stock Exchange
Current Firm
WILLIAM BLAIR
WILLIAM BLAIR | WILLIAM BLAIR & COMPANY L.L.C. | WILLIAM BLAIR & COMPANY
CRD#: 1252 / SEC#: 801-688, 8-2698
RIA
Registered Investment Advisory firm - SEC (12/24/1947 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
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Contact information
Main Address
The William Blair Building 150 North Riverside, Chicago, IL 60606
Mailing Address
The William Blair Building 150 North Riverside, Chicago, IL 60606-1594
Phone number
(312) 236-1600
Established
Delaware since 10/30/1995
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Large
# of Employees
469
SEC notice filing (53 States and Territories)
FINRA licenses (53 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| WBC HOLDINGS, L.P. | HOLDING COMPANY | |
| CITARDI, CISSIE | EXECUTIVE COMMITTEE, GENERAL COUNSEL | 6642613 |
| DEVORE, RYAN JACOB | EXECUTIVE COMMITTEE | 3049671 |
| GLEDHILL, BRENT WALKER | PRESIDENT, CEO | 2921069 |
| KENDALL, ROBERT DANIEL | EXECUTIVE COMMITTEE | 2765873 |
| MCLAUGHLIN, SCOTT THOMAS | EXECUTIVE COMMITTEE | 2481285 |
| RASAVONGXAY, WILLSON B | CHIEF COMPLIANCE OFFICER | 6593731 |
| SATTERFIELD, BETH A | EXECUTIVE COMMITTEE | 6011858 |
| TOLE, STEVEN ROBERT | EXECUTIVE COMMITTEE | 5885283 |
| TRIMBERGER, MICHAEL WILLIAM | EXECUTIVE COMMITTEE, CFO | 5329834 |
| ZIMMER, MATTHEW MONTGOMERY | EXECUTIVE COMMITTEE | 4157826 |
Regulatory assets under management
| Total Number of Accounts | 37,973 |
| AUM (Assets Under Management) | $ 58,329,726,421 |
Disclosures
| Regulatory Event | 29 |
| Arbitration | 2 |
| Bond | 1 |
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.
