Marketaxess Holdings Inc SEC filings MKTX
Marketaxess Holdings Inc has 1,001 filings in SEC EDGAR's recent list, going back to Feb 17, 2012. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Sep 29, 2026 | — |
| DEFM14A | Filing | Sep 18, 2026 | — |
| PREM14A | Filing | Sep 4, 2026 | Sep 4, 2026 |
| DEFA14A | Additional proxy material | Jul 30, 2026 | — |
| DEFA14A | Additional proxy material | Jul 30, 2026 | — |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Apr 29, 2026 |
| DEFA14A | Additional proxy material | Apr 23, 2025 | — |
| DEF 14A | Proxy statement | Apr 23, 2025 | Apr 22, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2024 | — |
| DEF 14A | Proxy statement | Apr 24, 2024 | Apr 22, 2024 |
| PRE 14A | Preliminary proxy statement | Apr 12, 2024 | Apr 12, 2024 |
| DEFA14A | Additional proxy material | Apr 26, 2023 | — |
| DEF 14A | Proxy statement | Apr 26, 2023 | — |
| DEFA14A | Additional proxy material | Apr 27, 2022 | — |
| DEF 14A | Proxy statement | Apr 27, 2022 | Jun 8, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2021 | — |
| DEF 14A | Proxy statement | Apr 28, 2021 | Jun 9, 2021 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 10, 2020 |
| DEFA14A | Additional proxy material | May 29, 2019 | — |
| DEFA14A | Additional proxy material | Apr 24, 2019 | — |
| DEF 14A | Proxy statement | Apr 24, 2019 | Jun 5, 2019 |
| DEFA14A | Additional proxy material | Apr 25, 2018 | — |
| DEF 14A | Proxy statement | Apr 25, 2018 | Jun 7, 2018 |
| DEFA14A | Additional proxy material | Apr 26, 2017 | — |
| DEF 14A | Proxy statement | Apr 26, 2017 | Jun 8, 2017 |
| DEFA14A | Additional proxy material | Apr 25, 2016 | — |
| DEF 14A | Proxy statement | Apr 25, 2016 | Jun 7, 2016 |
| DEFA14A | Additional proxy material | Apr 22, 2015 | — |
| DEF 14A | Proxy statement | Apr 22, 2015 | Jun 4, 2015 |
| DEFA14A | Additional proxy material | Apr 23, 2014 | — |
| DEF 14A | Proxy statement | Apr 23, 2014 | Jun 5, 2014 |
| DEFA14A | Additional proxy material | Apr 24, 2013 | — |
| DEF 14A | Proxy statement | Apr 24, 2013 | Jun 6, 2013 |
| DEFA14A | Additional proxy material | Apr 25, 2012 | — |
| DEF 14A | Proxy statement | Apr 25, 2012 | Jun 7, 2012 |
Showing 37 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Security Brokers, Dealers & Flotation Companies (SIC 6211)
- Listed as
- MKTX (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- New York, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1278021
- Former names
- MARKETAXESS HOLDINGS INC (until Nov 5, 2026); MARKETAXESS HOLDING INC (until Apr 1, 2004)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.