# Sixth Street Specialty Lending Advisers, LLC

> Sixth Street Specialty Lending Advisers, LLC is an SEC-registered investment advisory firm in Dallas, TX, registered since 2011, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated July 1, 2026.

- CRD: 155006
- Filed as: SIXTH STREET SPECIALTY LENDING ADVISERS, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Dallas, TX
- Filing period: October 2026
- Form ADV filing dated: July 1, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/155006
- AdvisorCensus page: https://advisorcensus.com/firm/sixth-street-specialty-lending-advisers-llc-dallas-tx-155006

## Quick answers

**How is Sixth Street Specialty Lending Advisers, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Sixth Street Specialty Lending Advisers, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Sixth Street Specialty Lending Advisers, LLC located?**
Sixth Street Specialty Lending Advisers, LLC's principal office is in Dallas, TX, according to its Form ADV; the August 2026 filing also lists 5 other offices (Schedule D, Section 1.F).

**Is Sixth Street Specialty Lending Advisers, LLC registered with the SEC or a state?**
Sixth Street Specialty Lending Advisers, LLC is an SEC-registered investment advisory firm, registered since 2011. Status as filed: Approved. CRD 155006.

**How much does Sixth Street Specialty Lending Advisers, LLC manage?**
Sixth Street Specialty Lending Advisers, LLC reports $3,421,655,019 in regulatory assets under management in its Form ADV filing dated July 1, 2026 (100% discretionary).

**How have Sixth Street Specialty Lending Advisers, LLC's assets and staff changed since 2021?**
In the Form ADV data for Sixth Street Specialty Lending Advisers, LLC: Regulatory assets under management: $2,338,593,083 in the October 2021 data and $3,421,655,019 in the October 2026 data, up 46%. Total employees: 34 in October 2021 and 66 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Sixth Street Specialty Lending Advisers, LLC serve?**
By number of clients on Form ADV Item 5.D: business development companies (1).

**Does Sixth Street Specialty Lending Advisers, LLC report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/155006

**What changed in Sixth Street Specialty Lending Advisers, LLC's recent Form ADV filings?**
In the August 2026 filing data: Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Regulatory assets under management (Item 5.F)
- Total: $3,421,655,019
- Discretionary: $3,421,655,019
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Business development companies | 1 | $3,421,655,019 |

### Advisory services (Item 5.G)
- Portfolio management for investment companies (and business development companies)

### Firm details
- Registered since: 2011 (15 years)
- Employees: 66 total, 48 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CA, IL, MA, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the August 2026 filing
- Austin, TX
- Boston, MA
- Chicago, IL
- New York, NY
- San Francisco, CA

### Websites listed on Form ADV (Item 1.I)
- sixthstreetspecialtylending.com
- Instagram @TSLX_IR
- X @TSLX_IR

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $2,338,593,083 | 34 | March 30, 2021 |
| October 2022 | $2,551,856,583 | 36 | March 31, 2022 |
| October 2023 | $2,836,947,471 | 49 | March 31, 2023 |
| October 2024 | $3,343,807,671 | 59 | July 19, 2024 |
| October 2025 | $3,582,225,291 | 66 | March 31, 2025 |
| October 2026 | $3,421,655,019 | 66 | July 1, 2026 |

Regulatory assets under management: $2,338,593,083 in the October 2021 data and $3,421,655,019 in the October 2026 data, up 46%.
Total employees: 34 in October 2021 and 66 in October 2026.

## Changes in the filing (last 12 months)

### August 2026
- Updated its list of owners and control persons (Schedule A).

### April 2026
- Employees performing advisory functions went from 50 to 48.
- Updated its list of owners and control persons (Schedule A).

### March 2026
- Employees performing advisory functions went from 47 to 50.
- Updated its list of owners and control persons (Schedule A).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Sixth Street Specialty Lending Advisers, LLC (CRD 155006): Form ADV filing data as of October 2026.