MARKETAXESS HOLDINGS INC — Investor Relations & Filings
MarketAxess Holdings Inc. is a financial technology company that operates a leading electronic trading platform for the global fixed-income markets. The platform connects a global network of institutional investors and broker-dealers, enabling them to trade a wide range of credit instruments, including US corporate bonds, emerging market debt, high-yield bonds, Eurobonds, and municipal bonds. The company provides market participants with expanded liquidity, data and analytics, and post-trade services. Key offerings include its all-to-all Open Trading protocol and the Composite+ (CP+) algorithmic pricing engine, which are designed to improve execution quality, operational efficiency, and price discovery in the institutional credit markets.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| SCHEDULE 13G/A Filing | 2026-02-06 | English | |
| 8-K Filing | 2026-01-26 | English | |
| 4 Filing | 2026-01-12 | English | |
| 4 | 2025-12-12 | English | |
| Regulatory Filings 2025 | 2025-12-12 | English | |
| 8-K | 2025-12-09 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
3 filings
| |||||
| 28609435 | SCHEDULE 13G/A Filing | 2026-02-06 | English | ||
| 28609404 | 8-K Filing | 2026-01-26 | English | ||
| 28609463 | 4 Filing | 2026-01-12 | English | ||
|
2025
12 filings
| |||||
| 11650139 | 4 | 2025-12-12 | English | ||
| 11650140 | Regulatory Filings 2025 | 2025-12-12 | English | ||
| 11650143 | 8-K | 2025-12-09 | English | ||
| 11650141 | 4 | 2025-11-26 | English | ||
| 11650144 | Major Shareholding Notification 2025 | 2025-11-14 | English | ||
| 11650145 | Major Shareholding Notification 2025 | 2025-11-14 | English | ||
| 11650146 | 10-Q | 2025-11-07 | English | ||
| 11650147 | 8-K | 2025-11-07 | English | ||
| 11650150 | Major Shareholding Notification 2025 | 2025-10-31 | English | ||
| 11650149 | Major Shareholding Notification 2025 | 2025-10-18 | English | ||
| 11650148 | 4 | 2025-10-02 | English | ||
| 11650152 | 3 | 2025-09-29 | English | ||
Market data
Market data not available
Price history
Peer group · Other activities auxiliary to financial service activities, except insurance and pension funding
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MARKETAXESS HOLDINGS INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30854/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30854 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30854 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30854 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30854}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for MARKETAXESS HOLDINGS INC (id: 30854)"
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