# EDGAR Filing Document

**Accession Number:** 0000813642
**File Stem:** 0000813642-26-000003
**Filing Date:** 2026-2
**Character Count:** 2747
**Document Hash:** 706233859b8b46d11b14dda5bc3d5c2d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000813642-26-000003.hdr.sgml**: 20260226

**ACCESSION NUMBER**: 0000813642-26-000003

**CONFORMED SUBMISSION TYPE**: X-17A-5

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260226

**DATE AS OF CHANGE**: 20260226

**EFFECTIVENESS DATE**: 20260226

**PERIOD START**: 20250101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CALAMOS FINANCIAL SERVICES LLC
- **CENTRAL INDEX KEY:** 0000813642

**ORGANIZATION NAME:**
- **EIN:** 201647489
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-37854
- **FILM NUMBER:** 26690657

**BUSINESS ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563-2787
- **BUSINESS PHONE:** 630-245-1110

**MAIL ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563-2787

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALAMOS FINANCIAL SERVICES, INC.
- **DATE OF NAME CHANGE:** 20041029

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALAMOS FINANCIAL SERVICES LLC
- **DATE OF NAME CHANGE:** 20041019

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALAMOS FINANCIAL SERVICES, INC.
- **DATE OF NAME CHANGE:** 20020222

### Attached PDF Documents

**Attachment 1:** `finstmts1.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM X-17A-5

### ANNUAL AUDITED REPORT

### Filer Information

**Filer CIK:** 0000813642

**Filer CCC:** XXXXXXXX

**Is this a LIVE or TEST filing?:** LIVE

**Would you like a Return Copy?:** No

### Submission Information

**Report Period Begin Date:** 01-01-2025

**Report Period End Date:** 12-31-2025

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** CALAMOS FINANCIAL SERVICES LLC

**Business Address:** 2020 CALAMOS COURT, NAPERVILLE, IL, 60563-2787

**Contact Person:** Christian Helmetag

**Contact Phone:** 630-245-7274

### Independent Public Accountant Identification

**Accountant Name:** Deloitte & Touche LLP

**Accountant Address:** 111 S Wacker Drive, Chicago, IL, 60606

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Christian Helmetag**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **CALAMOS FINANCIAL SERVICES LLC**, as of **12-31-2025**, are true and correct.

**Signature:** Christian Helmetag

**Title:** Principal Financial Officer & Principal Operations Officer