AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Advisor Search
Why Advisor Check

We're Here To Help

AdvisorCheck empowers you to find, evaluate, and monitor financial advisors with confidence and clarity.

Advisor Monitoring

Financial advisor's situations can change, sometimes without notice. AdvisorCheck's Monitoring tool helps you avoid surprises and stay on top of your financial health.

Firm Stability Insights

The stability of your financial advisor's firm has a significant impact in the security and quality of service you receive. Our tool provides historical data and key insights over time to help you make informed, confident decisions.

Pricing
For Advisors
SL

Stephen M. Lowinger

OLD MISSION CAPITAL
CHICAGO, IL 60602
Some features on this profile are disabled
CRD#: 6274654
SL

Professional summary

Stephen M Lowinger, who also goes by Stephen Michael Lowinger, is a registered financial professional currently at OLD MISSION CAPITAL, LLC located in Chicago, Illinois.

Stephen is registered as a RR (Registered Representative) and started their career in finance in 2013. Stephen has worked at 4 firms and has passed the Series 57TO, SIE and Series 56 exams.

top-8-questions

Question & Answer

Are you a "fiduciary"?
No

Aliases

Stephen Michael Lowinger

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 Stephen M Lowinger'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

September 29, 2025 - Present

OLD MISSION CAPITAL, LLC

Office #1: 1 N. Dearborn St. 8th Floor, Chicago, IL 60602
BD
CRD#: 146991
CHICAGO, IL
Past

October 8, 2015 - June 22, 2017

OPTIVER US LLC

BD
CRD#: 128030
CHICAGO, IL
Past

December 6, 2013 - June 30, 2014

PEAK6 PERFORMANCE MANAGEMENT LLC

BD
CRD#: 137368
CHICAGO, IL
Past

December 6, 2013 - April 2, 2015

PEAK6 CAPITAL MANAGEMENT LLC

BD
CRD#: 43773
CHICAGO, IL

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

General Industry/Product Exam
RR
Series 57TO
Date: 9/29/2025
Securities Trader Exam
General Industry/Product Exam
RR
SIE
Date: 9/15/2025
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 56
Date: 12/5/2013
Proprietary Trader Qualification Examination
SRO Registrations
RR
BOX Exchange LLC
SRO Registrations
RR
Cboe BYX Exchange, Inc.
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
Cboe EDGA Exchange, Inc.
SRO Registrations
RR
Cboe EDGX Exchange, Inc.
SRO Registrations
RR
Cboe Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
Investors' Exchange LLC
SRO Registrations
RR
Long-Term Stock Exchange, Inc.
SRO Registrations
RR
MEMX LLC
SRO Registrations
RR
MIAX Emerald, LLC
SRO Registrations
RR
MIAX PEARL, LLC
SRO Registrations
RR
Miami International Securities Exchange, LLC
SRO Registrations
RR
NYSE American LLC
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
NYSE National, Inc.
SRO Registrations
RR
NYSE Texas, Inc.
SRO Registrations
RR
Nasdaq BX, Inc.
SRO Registrations
RR
Nasdaq GEMX, LLC
SRO Registrations
RR
Nasdaq ISE, LLC
SRO Registrations
RR
Nasdaq MRX, LLC
SRO Registrations
RR
Nasdaq PHLX LLC
SRO Registrations
RR
Nasdaq Stock Market
SRO Registrations
RR
New York Stock Exchange

Current Firm

OM
OLD MISSION CAPITAL, LLC
OLD MISSION CAPITAL, LLC

CRD#: 146991 / SEC#: , 8-67867

BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
Upgrade to AdvisorCheck Premium
Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.
Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information

Main Address
1 N. Dearborn St. 8th Floor, Chicago, IL 60602
Mailing Address
1 N. Dearborn St. 8th Floor, Chicago, IL 60602
Phone number
(312) 235-5371
Established
Illinois since 03/19/2008
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Medium
# of Employees

Documents

Direct owners and executive officers

NamePositionCRD#
OLD MISSION GROUP LLCMEMBER
GUZOWSKI, JOSEF MICHAELMANAGER2989719
KEITH, ALLEN THOMASFINOP4457493
LOOBY, KEVIN PETERCHIEF COMPLIANCE OFFICER4229297
MARQUEZ AVITIA, ERICA NMNCHIEF OPERATING OFFICER5074353
NICHOLS, PATRICK JAMESMANAGER4757503
RUSSINA, BRYAN SCOTTMANAGER5031844

Disclosures

Regulatory Event8

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

OLD MISSION CAPITAL, LLC

CRD#: 146991Chicago, IL 60602

TRUST BUT VERIFY

Monitor Stephen Lowinger

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors

Michael Walter Basile
Michael BasileAdvisorCheck Check Mark
COUNTRY CAPITAL MANAGEMENT COMPANY
RR
Chicago, IL
LP
Louis PasterAdvisorCheck Check Mark
UBS FINANCIAL SERVICES INC.
IAR
RR
Chicago, IL
JV
Jaime VillalobosAdvisorCheck Check Mark
WILLIAM BLAIR
IAR
RR
Chicago, IL
footer-logo
How We Help
Advisor Search
Find Advisors by State
Blog
Glossary
For Advisors
About Us
Help Center
Terms Of UsePrivacy PolicySubscription Policy
AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.
© 2025 AdvisorCheck, an AIMR Analytics company.
All rights reserved.
Powered ByAIRM Analytics