Sixth Street Specialty Lending, Inc. — Investor Relations & Filings
Sixth Street Specialty Lending, Inc. is a specialty finance company that operates as an externally managed business development company (BDC). It focuses on providing flexible, fully committed financing solutions to U.S.-domiciled middle-market companies. The company's primary activity is the direct origination of senior secured loans, supplemented by mezzanine loans, unsecured loans, and investments in corporate bonds and equity securities. The capital provided is used by portfolio companies to support organic growth, acquisitions, market or product expansion, and recapitalizations. The company is managed by Sixth Street Specialty Lending Advisers, LLC, an affiliate of the global investment firm Sixth Street, and leverages the broader platform's deep investment, sector, and operating resources.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-22 | English | |
| 424B2 - Sixth Street Specialty Lending, Inc. (0001508655) (Filer) | 2026-05-11 | English | |
| FWP - Sixth Street Specialty Lending, Inc. (0001508655) (Subject) | 2026-05-07 | English | |
| 424B2 - Sixth Street Specialty Lending, Inc. (0001508655) (Filer) | 2026-05-07 | English | |
| 10-Q - Sixth Street Specialty Lending, Inc. (0001508655) (Filer) | 2026-05-05 | English | |
| ARS - Sixth Street Specialty Lending, Inc. (0001508655) (Filer) | 2026-04-09 | English |
Market data
Market data not available
Price history
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Sixth Street Specialty Lending, 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/31571/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31571 | 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=31571 | 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=31571 \ -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": 31571}, 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 Sixth Street Specialty Lending, Inc. (id: 31571)"
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