Company Analysis

Sixth Street Specialty Lending, Inc. (TSLX)

NYSE: TSLX · Dallas, TX · filing with the SEC since 2011
Grade5.3
◀ Past 6.1● Present 5.3▶ Future 4.5
5 est.

The grade of Sixth Street Specialty Lending, Inc.

Nine metrics read from its own filings, by tense
Headline grade
5.3/10
◀ Past6.130% of the headline
● Present5.340% of the headline
▶ Future4.530% of the headline

All three tenses have at least two readings, so the archetype blend applies as printed.

Of the nine metrics, 4 read as filed from the record and 5 are SI estimates, each with its reasoning, its confidence and what would change it on its card.

◀ Past

What did they actually do?

6.1/1030% of the headline grade · 2 of 3 filed, 1 estimated

Surviving crises

as filed
6.4/10

Has it survived what it has been through?

No warning events in its filings since 2017.

weight 33% of this tense · 64th percentile among 111 sector filers · read for itself

From the record

Sixth Street Specialty Lending, Inc.'s filings since 2017 show no warning events in the scan: no bankruptcy or receivership notice, no debt default notice, no exchange listing notice, no restatement warning, no auditor change, no material cyber incident and no late-report notice (its current reports).

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Track record

SI estimate
5.1/10

What has it actually done, year after year?

SI estimate 5.1/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 9 sector filers · read for its customers

SI estimate Inferred, not read as filed

Why it is an estimate
Fewer than three filed years of revenue on file, so the desk assumes the typical reading of its industry family, the median of 9 members with one.
What the record cannot read
Fewer than three filed years of revenue on file.
How it was reasoned
family median, 9 readings behind it.
Confidence
20 of 100
What would change it
Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sixth Street Specialty Lending, Inc.'s track record is put at 5.1 of 10 with a confidence of 20 of 100, because fewer than three filed years of revenue on file, so the desk assumes the typical reading of its industry family, the median of 9 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

Shareholder treatment

as filed
6.8/10

How has it treated the people who own it?

Share count grew 6.4% a year. 100% of cash flow returned. Insiders: 0 sales, 11 purchases.

weight 33% of this tense · 68th percentile among 46 sector filers · read for its shareholders

From the record

Over the 3 fiscal years to 2025-12-31, Sixth Street Specialty Lending, Inc.'s diluted share count grew about 6.4% a year, and dividends and buybacks returned about 100% of its operating cash flow over 3 years (its filed statements). Its officers and directors filed 0 sales and 11 purchases of their own stock on the open market in the year to 2026-09-30, buying about $11 million (their Form 4 filings).

What it rests on

  • the share count over the yearstop 46% of its family
  • cash returned against operating cash flowtop 19% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

● Present

What are they doing right now?

5.3/1040% of the headline grade · 2 of 3 filed, 1 estimated

Financial health

as filed
6.9/10

Is it financially healthy right now?

ROE 11%: 11¢ of profit per shareholder dollar. Leverage 53%: owes 53¢ per asset dollar.

weight 33% of this tense · 69th percentile among 49 sector filers · read for itself

From the record

Return on equity: in the fiscal year ended 2025-12-31, Sixth Street Specialty Lending, Inc. earned about 11 cents of profit for every dollar of shareholders' money. Leverage: it owed about 53 cents per dollar of assets, and net share issuance: its share count grew 2.2% over the year (the filed statements).

What it rests on

  • what it owes per dollar of assetstop 35% of its family
  • return on equitytop 21% of its family
  • the share count against the year beforetop 37% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Industry position

SI estimate
5.2/10

How strong is its position in its industry?

SI estimate 5.2/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 12 sector filers · read for its customers

SI estimate Inferred, not read as filed

Why it is an estimate
No filed revenue on file, so the desk assumes the typical reading of its industry family, the median of 12 members with one.
What the record cannot read
No filed revenue on file.
How it was reasoned
family median, 12 readings behind it.
Confidence
20 of 100
What would change it
Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sixth Street Specialty Lending, Inc.'s industry position is put at 5.2 of 10 with a confidence of 20 of 100, because no filed revenue on file, so the desk assumes the typical reading of its industry family, the median of 12 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

Leadership

as filed
4.0/10

What are the people in charge doing?

bottom 40% of 48 in its family for leadership; chief executive since 2025.

weight 33% of this tense · 40th percentile among 48 sector filers · read for its shareholders

From the record

Sixth Street Specialty Lending, Inc.'s leadership, from its insiders' filings and its current reports: the chief executive on the record is Stanley, Robert J. (CEO, as filed), filing under that title since 2025-11-20, 12 months (bottom 15% of its family); the 8 officers and directors filing in the last fifteen months have been on the record a median of 10.8 years (top 23%); 4 officer or director changes were reported on Form 8-K since 2023-11-13, against the 8 people in charge now (bottom 27%; fewer changes for each person reads higher) (the Form 4 record, its Form 8-K reports). Years count from a person's first filing in the SEC's data sets, which begin in 2006, so each is a floor.

What it rests on

  • officer and director changes on Form 8-K, against the people in charge4 in three years among 8 peoplebottom 27% of its family
  • the median years the people in charge have filed10.8 yearstop 23% of its family
  • the chief executive's years on the record1.0 yearsbottom 15% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

▶ Future

What are they set up to do next?

4.5/1030% of the headline grade · 0 of 3 filed, 3 estimated

Room to expand

SI estimate
3.6/10

How much room does it have to grow?

SI estimate 3.6/10, confidence 35 of 100 (one part).

weight 33% of this tense · 36th percentile among 51 sector filers · read for itself

SI estimate Inferred, not read as filed

Why it is an estimate
Read from one part only, cash less debt against assets, which ranks in the bottom 36% of 51 in its family; the record does not carry two of the four parts: cash less debt against assets, cash from operations less capital spending against revenue, gross margin, research against revenue.
What the record cannot read
The record does not carry two of the four parts: cash less debt against assets, cash from operations less capital spending against revenue, gross margin, research against revenue.
How it was reasoned
one part: cash less debt against assets, the one part on file, ranked among 51 in its family.
Confidence
35 of 100
What would change it
A filing that carries the missing parts replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sixth Street Specialty Lending, Inc.'s room to expand is put at 3.6 of 10 with a confidence of 35 of 100, because read from one part only, cash less debt against assets, which ranks in the bottom 36% of 51 in its family; the record does not carry two of the four parts: cash less debt against assets, cash from operations less capital spending against revenue, gross margin, research against revenue. A filing that carries the missing parts replaces this estimate with the filed reading.

Growth drivers

SI estimate
5.2/10

What could actually drive growth from here?

SI estimate 5.2/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 8 sector filers · read for its customers

SI estimate Inferred, not read as filed

Why it is an estimate
The record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending, so the desk assumes the typical reading of its industry family, the median of 8 members with one.
What the record cannot read
The record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending.
How it was reasoned
family median, 8 readings behind it.
Confidence
20 of 100
What would change it
Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sixth Street Specialty Lending, Inc.'s growth drivers is put at 5.2 of 10 with a confidence of 20 of 100, because the record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending, so the desk assumes the typical reading of its industry family, the median of 8 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

Expectations vs reality

SI estimate
4.6/10

Did its newest year beat what its own record pointed to?

SI estimate 4.6/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 7 sector filers · read for its shareholders

SI estimate Inferred, not read as filed

Why it is an estimate
The record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change, so the desk assumes the typical reading of its industry family, the median of 7 members with one.
What the record cannot read
The record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change.
How it was reasoned
family median, 7 readings behind it.
Confidence
20 of 100
What would change it
Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sixth Street Specialty Lending, Inc.'s expectations vs reality is put at 4.6 of 10 with a confidence of 20 of 100, because the record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change, so the desk assumes the typical reading of its industry family, the median of 7 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

The grade is the company against its own industry, from its filings. It is not a view on the share price. How the grade is made

SI Assistanton TSLX · research, not advice