John H. Sianis

CALAMOS WEALTH MANAGEMENT LLC

NAPERVILLE, IL 60563-2787

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CRD#: 4634195

Professional summary

John Harry Sianis, who also goes by Yanni Sianis, is a registered financial advisor currently at CALAMOS WEALTH MANAGEMENT LLC located in Naperville, Illinois and CALAMOS ADVISORS LLC located in Naperville, Illinois.

John is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2013. John has worked at 2 firms and has passed the Series 65 and Series 3 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Yanni Sianis

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) - RIA

Click below to view John Harry Sianis's CRS (Customer Relationship Summary).

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

January 1, 2013 - Present

CALAMOS WEALTH MANAGEMENT LLC

Office #1: 2020 Calamos Court, Naperville, IL 60563-2787

RIA

CRD#: 143490

NAPERVILLE, IL

Current

July 12, 2019 - Present

CALAMOS ADVISORS LLC

Office #1: 2020 Calamos Court, Naperville, IL 60563-2787

RIA

CRD#: 105758

NAPERVILLE, IL

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".

CALAMOS ADVISORS LLC

CALAMOS ADVISORS LLC | CALAMOS ASSET MANAGEMENT INC | CALAMOS ARISTA PARTNERS

CRD#: 105758 / SEC#: 801-29688

RIA

Registered Investment Advisory firm - (5/29/1987 Approved)

State Registrations and Notice Filings

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

IAR

means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR

Illinois
(1/1/2013)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

State Security Law Exam

IAR

Series 65

Date: 12/31/2012

Uniform Investment Adviser Law Examination

General Industry/Product Exam

Series 3

Date: 3/3/2009

National Commodity Futures Examination

Current Firm

CALAMOS ADVISORS LLC

CALAMOS ADVISORS LLC | CALAMOS ASSET MANAGEMENT INC | CALAMOS ARISTA PARTNERS

CRD#: 105758 / SEC#: 801-29688

RIA

Registered Investment Advisory firm - (5/29/1987 Approved)

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Contact information

Main Address

2020 Calamos Court, Naperville, IL 60563-2787

Mailing Address

Phone number

(630) 245-7200

Established

Firm type

Fiscal year end

# of Employees

257

SEC notice filing (51 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

PART 2A OF FORM ADV: FIRM BROCHURE (3/27/2025)

Regulatory assets under management

Total Number of Accounts	1,662
AUM (Assets Under Management)	$ 38,184,222,669

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.

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John H. Sianis

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view John Harry Sianis's CRS (Customer Relationship Summary).

Certified licenses

Experience

CALAMOS WEALTH MANAGEMENT LLC

CALAMOS ADVISORS LLC

Primary Firm SEC Registration

CALAMOS ADVISORS LLC

State Registrations and Notice Filings

Exams

Series 65

Date: 12/31/2012

Series 3

Date: 3/3/2009

Current Firm

CALAMOS ADVISORS LLC

Contact information

SEC notice filing (51 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

CALAMOS ADVISORS LLC

TRUST BUT VERIFY

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