# EDGAR Filing Document

**Accession Number:** 0001278021
**File Stem:** 0001193125-26-191947
**Filing Date:** 2026-4
**Character Count:** 1232
**Document Hash:** b72f9481a33349593c2b17bd3a5f9552
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-191947.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001193125-26-191947

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**EFFECTIVENESS DATE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MARKETAXESS HOLDINGS INC
- **CENTRAL INDEX KEY:** 0001278021
- **STANDARD INDUSTRIAL CLASSIFICATION:** SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 522230784
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34091
- **FILM NUMBER:** 26916913

**BUSINESS ADDRESS:**
- **STREET 1:** 55 HUDSON YARDS, 15TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
- **BUSINESS PHONE:** 212-831-6000

**MAIL ADDRESS:**
- **STREET 1:** 55 HUDSON YARDS, 15TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MARKETAXESS HOLDING INC
- **DATE OF NAME CHANGE:** 20040129

### Attached PDF Documents

**Attachment 1:** `ars_2025.pdf`

_No text found in this document._