# MARKETAXESS HOLDINGS INC — PREM14A

MARKETAXESS HOLDINGS INC of NEW YORK, NY filed a PREM14A with the SEC on 2026-09-04. Industry: Security Brokers, Dealers & Flotation Companies.

## Filing

- Filed: 2026-09-04
- Form: PREM14A
- Accession: 0001193125-26-383841
- Registrant: MARKETAXESS HOLDINGS INC
- CIK: 0001278021
- Industry (SIC): Security Brokers, Dealers & Flotation Companies (6211)
- Location: NEW YORK, NY

## Filing timeline for this registrant (45)

_Showing 12 of 45 filings._

| Filed | Form |
| --- | --- |
| 2026-09-04 | PREM14A |
| [2026-07-30](https://search.stillhousedata.com/proxy/0001193125-26-326252) | DEFA14A |
| [2026-07-30](https://search.stillhousedata.com/proxy/0001193125-26-324939) | DEFA14A |
| [2026-04-29](https://search.stillhousedata.com/proxy/0001193125-26-191613) | DEFA14A |
| [2026-04-29](https://search.stillhousedata.com/proxy/0001193125-26-191601) | DEF 14A |
| [2025-04-23](https://search.stillhousedata.com/proxy/0000950170-25-057356) | DEFA14A |
| [2025-04-23](https://search.stillhousedata.com/proxy/0000950170-25-057344) | DEF 14A |
| [2024-04-24](https://search.stillhousedata.com/proxy/0000950170-24-047644) | DEFA14A |
| [2024-04-24](https://search.stillhousedata.com/proxy/0000950170-24-047633) | DEF 14A |
| [2024-04-12](https://search.stillhousedata.com/proxy/0000950170-24-044086) | PRE 14A |
| [2023-04-26](https://search.stillhousedata.com/proxy/0001564590-23-006299) | DEFA14A |
| [2023-04-26](https://search.stillhousedata.com/proxy/0001564590-23-006295) | DEF 14A |

## More

- [CIK 1278021 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1278021&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-26-383841.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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