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 |
|---|---|---|---|
| 8-K |
Current report
Shareholder vote results
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Other events
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Other events
|
Oct 22, 2026 | Oct 21, 2026 |
| DEFA14A | Additional proxy material | Sep 29, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 29, 2026 | Sep 25, 2026 |
| DEFM14A | Filing | Sep 18, 2026 | — |
| PREM14A | Filing | Sep 4, 2026 | Sep 4, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| DFAN14A | Filing | Jul 30, 2026 | — |
| DEFA14A | Additional proxy material | Jul 30, 2026 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jul 30, 2026 | Jul 30, 2026 |
| DEFA14A | Additional proxy material | Jul 30, 2026 | — |
| 8-K |
Current report
Material agreement, Officer or director change, Regulation FD disclosure
|
Jul 30, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2026 | Jun 10, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Apr 29, 2026 |
| 8-K/A |
Amended current report
Officer or director change
|
Apr 17, 2026 | Jan 22, 2026 |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 17, 2026 | Feb 16, 2026 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Other events
|
Feb 6, 2026 | Feb 4, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 26, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 9, 2025 | Dec 9, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 7, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 5, 2025 | Jun 2, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 21, 2025 | May 16, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
May 7, 2025 | May 7, 2025 |
| ARS | Annual report to shareholders | Apr 23, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 23, 2025 | — |
| DEF 14A | Proxy statement | Apr 23, 2025 | Apr 22, 2025 |
| 10-K | Annual report | Feb 24, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 6, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 27, 2025 | Jan 23, 2025 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure, Other events
|
Nov 6, 2024 | Nov 4, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 19, 2024 | Jul 17, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 7, 2024 | Jun 5, 2024 |
| 8-K/A |
Amended current report
Officer or director change
|
May 30, 2024 | Feb 21, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 24, 2024 | Dec 31, 2023 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2024 | Apr 4, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 26, 2024 | Feb 21, 2024 |
| 10-K | Annual report | Feb 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 31, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 19, 2024 | Jan 18, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 9, 2023 | Nov 6, 2023 |
| 10-Q | Quarterly report | Oct 25, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 25, 2023 | Oct 25, 2023 |
| 8-K |
Current report
Other events
|
Oct 2, 2023 | Oct 2, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 14, 2023 | Sep 13, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 7, 2023 | Aug 5, 2023 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 20, 2023 | Jul 20, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2023 | Jun 7, 2023 |
| 10-Q | Quarterly report | Apr 27, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | Apr 26, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 26, 2023 | — |
| DEF 14A | Proxy statement | Apr 26, 2023 | — |
| 8-K |
Current report
Results of operations, Other events
|
Apr 26, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 7, 2023 | Apr 5, 2023 |
| 8-K |
Current report
Other events
|
Mar 31, 2023 | Mar 28, 2023 |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 25, 2023 | Jan 25, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 9, 2023 | Jan 3, 2023 |
| 10-Q | Quarterly report | Oct 26, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 19, 2022 | Oct 19, 2022 |
| 10-Q | Quarterly report | Jul 27, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 20, 2022 | Jul 20, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2022 | Jun 8, 2022 |
| S-8 | Employee stock plan registration | Jun 8, 2022 | — |
| 10-Q | Quarterly report | Apr 27, 2022 | Mar 31, 2022 |
| DEFA14A | Additional proxy material | Apr 27, 2022 | — |
| DEF 14A | Proxy statement | Apr 27, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 20, 2022 | Apr 20, 2022 |
| 10-K | Annual report | Feb 23, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 26, 2022 | Jan 26, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 1, 2021 | Nov 24, 2021 |
| 10-Q | Quarterly report | Oct 26, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Other events
|
Oct 20, 2021 | Oct 15, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 13, 2021 | Aug 12, 2021 |
| 10-Q | Quarterly report | Jul 27, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 21, 2021 | Jul 21, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 19, 2021 | Jul 13, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2021 | Jun 9, 2021 |
| DEFA14A | Additional proxy material | Apr 28, 2021 | — |
| DEF 14A | Proxy statement | Apr 28, 2021 | Jun 9, 2021 |
| 10-Q | Quarterly report | Apr 28, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 22, 2021 | Apr 22, 2021 |
| 10-K | Annual report | Feb 19, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 27, 2021 | Jan 27, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 18, 2020 | Nov 13, 2020 |
| 10-Q | Quarterly report | Oct 30, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 27, 2020 | Oct 27, 2020 |
| 8-K |
Current report
Other events
|
Oct 13, 2020 | Oct 8, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 25, 2020 | Aug 19, 2020 |
| 8-K |
Current report
Officer or director change
|
Aug 4, 2020 | Jul 31, 2020 |
| 10-Q | Quarterly report | Jul 24, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 22, 2020 | Jul 22, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 21, 2020 | Jul 16, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2020 | Jun 10, 2020 |
| S-8 | Employee stock plan registration | Jun 10, 2020 | — |
| 10-Q | Quarterly report | May 1, 2020 | Mar 31, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 10, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 29, 2020 | Apr 29, 2020 |
| 10-K | Annual report | Feb 18, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 29, 2020 | Jan 29, 2020 |
| 8-K/A | Amended current report | Dec 20, 2019 | Nov 1, 2019 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Nov 4, 2019 | Nov 1, 2019 |
| 10-Q | Quarterly report | Oct 25, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 23, 2019 | Oct 23, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 17, 2019 | Oct 14, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 16, 2019 | Oct 15, 2019 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 13, 2019 | Aug 12, 2019 |
| 10-Q | Quarterly report | Jul 25, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 24, 2019 | Jul 24, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 17, 2019 | Jul 16, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2019 | Jun 5, 2019 |
| DEFA14A | Additional proxy material | May 29, 2019 | — |
| 10-Q | Quarterly report | Apr 25, 2019 | Mar 31, 2019 |
| DEFA14A | Additional proxy material | Apr 24, 2019 | — |
| DEF 14A | Proxy statement | Apr 24, 2019 | Jun 5, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 24, 2019 | Apr 24, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 18, 2019 | Apr 16, 2019 |
| 10-K/A | Amended annual report | Mar 18, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Feb 20, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 30, 2019 | Jan 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Jan 9, 2019 | Jan 4, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2018 | Nov 6, 2018 |
| 10-Q | Quarterly report | Oct 25, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 24, 2018 | Oct 24, 2018 |
| 8-K |
Current report
Material agreement
|
Oct 19, 2018 | Oct 16, 2018 |
| 10-Q | Quarterly report | Jul 26, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 25, 2018 | Jul 25, 2018 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 8, 2018 | Jun 7, 2018 |
| 10-Q | Quarterly report | Apr 26, 2018 | Mar 31, 2018 |
| DEFA14A | Additional proxy material | Apr 25, 2018 | — |
| DEF 14A | Proxy statement | Apr 25, 2018 | Jun 7, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 25, 2018 | Apr 25, 2018 |
| 10-K/A | Amended annual report | Feb 23, 2018 | Dec 31, 2017 |
| 10-K | Annual report | Feb 21, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 31, 2018 | Jan 31, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 11, 2018 | Jan 11, 2018 |
| 10-Q | Quarterly report | Oct 27, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 25, 2017 | Oct 25, 2017 |
| 8-K |
Current report
Material agreement, Officer or director change, Regulation FD disclosure
|
Oct 24, 2017 | Oct 18, 2017 |
| CT ORDER | Filing | Sep 5, 2017 | — |
| 8-K |
Current report
Officer or director change
|
Jul 28, 2017 | Jul 25, 2017 |
| 10-Q | Quarterly report | Jul 27, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 26, 2017 | Jul 26, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2017 | Jun 8, 2017 |
| 10-Q | Quarterly report | Apr 27, 2017 | Mar 31, 2017 |
| DEFA14A | Additional proxy material | Apr 26, 2017 | — |
| DEF 14A | Proxy statement | Apr 26, 2017 | Jun 8, 2017 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 26, 2017 | Apr 26, 2017 |
| 8-K |
Current report
Other events
|
Apr 21, 2017 | Apr 19, 2017 |
| 10-K | Annual report | Feb 21, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 2, 2017 | Feb 2, 2017 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 25, 2017 | Jan 25, 2017 |
| 8-K |
Current report
Officer or director change
|
Jan 12, 2017 | Jan 6, 2017 |
| 10-Q | Quarterly report | Oct 28, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 26, 2016 | Oct 26, 2016 |
| 10-Q | Quarterly report | Jul 29, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 28, 2016 | Jul 28, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2016 | Jun 7, 2016 |
| 10-Q | Quarterly report | Apr 28, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 27, 2016 | Apr 27, 2016 |
| DEFA14A | Additional proxy material | Apr 25, 2016 | — |
| DEF 14A | Proxy statement | Apr 25, 2016 | Jun 7, 2016 |
| 10-K | Annual report | Feb 25, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 27, 2016 | Jan 27, 2016 |
| 8-K |
Current report
Officer or director change
|
Jan 25, 2016 | Jan 22, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 3, 2015 | Oct 30, 2015 |
| 10-Q | Quarterly report | Oct 23, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 21, 2015 | Oct 21, 2015 |
| S-8 | Employee stock plan registration | Jul 24, 2015 | — |
| 10-Q | Quarterly report | Jul 24, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 22, 2015 | Jul 22, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2015 | Jun 4, 2015 |
| ARS | Annual report to shareholders | Apr 30, 2015 | Dec 31, 2014 |
| 10-Q | Quarterly report | Apr 24, 2015 | Mar 31, 2015 |
| DEFA14A | Additional proxy material | Apr 22, 2015 | — |
| DEF 14A | Proxy statement | Apr 22, 2015 | Jun 4, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 22, 2015 | Apr 22, 2015 |
| 10-K | Annual report | Feb 25, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 28, 2015 | Jan 28, 2015 |
Showing 200 filings, the most recent 200. 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)
Other Security Brokers, Dealers & Flotation Companies companies
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All 34 Security Brokers, Dealers & Flotation Companies companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.