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

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
JM

John B. Makowiec

PEAK6 CAPITAL MANAGEMENT LLC
Austin, TX 78702
Some features on this profile are disabled
CRD#: 7175226
JM

Professional summary

John Britt Makowiec, who also goes by John Britt Makowiec, is a registered financial professional currently at PEAK6 CAPITAL MANAGEMENT LLC located in Austin, Texas.

John is registered as a RR (Registered Representative) and started their career in finance in 2019. John has worked at 2 firms and has passed the Series 57TO and SIE exams.

Question & Answer

Are you a "fiduciary"?
No

Aliases

John Britt Makowiec

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 John Britt Makowiec'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

February 19, 2026 - Present

PEAK6 CAPITAL MANAGEMENT LLC

Office #1: 2010 E. 6th St., Austin, TX 78702
BD
CRD#: 43773
Austin, TX
Past

July 22, 2025 - February 5, 2026

APEX CLEARING CORPORATION

BD
CRD#: 13071
New York, NY
Past

November 11, 2019 - July 25, 2025

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: 11/11/2019
Securities Trader Exam
General Industry/Product Exam
RR
SIE
Date: 8/31/2019
Securities Industry Essentials Examination
SRO Registrations
RR
BOX Exchange LLC
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
Cboe EDGX Exchange, Inc.
SRO Registrations
RR
Cboe Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
Miami International Securities Exchange, LLC
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
Nasdaq GEMX, LLC
SRO Registrations
RR
Nasdaq ISE, LLC
SRO Registrations
RR
Nasdaq PHLX LLC

Current Firm

PC
PEAK6 CAPITAL MANAGEMENT LLC
PEAK6 CAPITAL MANAGEMENT LLC

CRD#: 43773 / SEC#: , 8-50422

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
141 W. Jackson Blvd., Suite 500, Chicago, IL 60604
Mailing Address
141 W. Jackson Blvd., Suite 500, Chicago, IL 60604
Phone number
(312) 444-8000
Established
Delaware since 08/05/1997
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Small
# of Employees

Documents

Direct owners and executive officers

NamePositionCRD#
PEAK6 CAPITAL MANAGEMENT HOLDINGS LLCOWNER
MILCAREK, STEVEN DOUGLASPRINCIPAL OPERATIONS OFFICER3131320
MULLER, BRIAN JAMESCHIEF RISK OFFICER5875890
PITALE, SUJAI VEERDHAVALCHIEF COMPLIANCE OFFICER5387442
SIMPSON, THOMAS WILLIAMCHIEF EXECUTIVE OFFICER5875785
WARD, JAMES FLANAGANFINOP, PRINCIPAL FINANCIAL OFFICER6258923

Disclosures

Regulatory Event3

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

PEAK6 CAPITAL MANAGEMENT LLC

CRD#: 43773Austin, TX 78702

TRUST BUT VERIFY

Monitor John Makowiec

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

Similar Advisors

Steven Raymond Gallegos
Steven GallegosAdvisorCheck Check Mark
AMERIPRISE FINANCIAL SERVICES, LLC
IAR
RR
Austin, TX
Eric Scott Pomerantz
Eric PomerantzAdvisorCheck Check Mark
AMERIPRISE FINANCIAL SERVICES, LLC
IAR
RR
Austin, TX
Jeffrey Glenn Weeks
Jeffrey WeeksAdvisorCheck Check Mark
ATX PORTFOLIO ADVISORS, LLC
IAR
Austin, TX
footer-logo
How We Help
Advisor Search
Find Advisors by State
Blog
Glossary
For Advisors
About Us
Help Center
Terms Of UsePrivacy PolicySubscription Policy
Help Center
AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.© 2026 AdvisorCheck, an AIMR Analytics company. All rights reserved.