TSLX
Financial ServicesSixth Street Specialty Lending, Inc. · Asset Management · $2B
What is Sixth Street Specialty Lending, Inc.?
Sixth Street Specialty Lending (NYSE: TSLX) is a business development company focused on lending to middle-market companies across the United States. It deploys capital through a range of debt and equity instruments, targeting businesses that sit outside traditional bank lending.
TSLX generates income by originating and holding loans — primarily senior secured — to middle-market businesses with enterprise values ranging from smaller private companies up to those exceeding one billion dollars. The fund participates across the capital structure, offering first-lien, second-lien, unitranche, mezzanine, and unsecured debt, as well as structured equity and common equity. Target sectors include software and technology, healthcare, business services, energy, consumer and retail, and industrials.
The company was founded in 2014 and is headquartered in Dallas, Texas.
- Senior secured loans — first-lien, second-lien, and unitranche structures
- Mezzanine and unsecured debt for middle-market borrowers
- Structured equity and non-control equity co-investments
- Corporate bond and structured product investments
- Syndicated transaction arrangement up to large hold sizes
Is TSLX a Good Stock to Buy?
UQS Score rates TSLX as Good overall, reflecting a mixed but income-oriented profile.
The Quality pillar stands out as the clearest positive — TSLX demonstrates characteristics consistent with disciplined underwriting and portfolio management relative to BDC peers. Valuation also registers as Good, suggesting the market is not pricing in excessive optimism for a specialty lender of this type.
The Moat, Growth, and Risk pillars all register as Weak, which is common for BDCs operating in competitive middle-market lending — but investors should weigh limited differentiation and credit-cycle sensitivity carefully.
See the exact pillar breakdown and full financial metrics by signing up for a UQS Pro account. Sign up free →
Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.
Does TSLX pay dividends?
Yes — Sixth Street Specialty Lending, Inc. pays a dividend.
TSLX pays a regular dividend, which is central to the BDC model — regulations require distributing the majority of taxable income to shareholders. For income-focused investors, this cadence is a primary draw. The sustainability of distributions depends on portfolio credit quality and interest income generation, both of which are reflected in the Quality pillar assessment.
When does TSLX report earnings?
Sixth Street Specialty Lending reports earnings on a quarterly cadence, consistent with US-listed BDCs.
Quarterly results for BDCs like TSLX typically center on net investment income, net asset value per share, and portfolio credit quality — rather than traditional revenue growth metrics. Performance tends to track interest rate conditions and the health of middle-market borrowers.
For the most recent quarter's results, visit Sixth Street Specialty Lending's investor relations page directly.
TSLX Price History
+39.8% over 5Y
Monthly close, adjusted for stock splits and dividend reinvestment.
What if I invested in Sixth Street Specialty Lending, Inc.?
Based on Sixth Street Specialty Lending, Inc.'s historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.
TSLX Long-term Outlook
The Growth and Risk pillars both register as Weak, pointing to a business where expansion is constrained and macro sensitivity is meaningful. Middle-market lending income is closely tied to interest rate levels and credit conditions — a favorable rate environment can support net investment income, while a credit downturn can pressure NAV. The Good Valuation label suggests the current price reflects these limitations rather than pricing in aggressive upside.
Growth drivers
- Sustained higher interest rates supporting floating-rate loan income
- Continued demand for private credit from middle-market companies underserved by banks
- Disciplined portfolio construction across diversified sectors
Key risks
- Credit deterioration in middle-market borrowers during an economic slowdown
- Competitive pressure from other BDCs and private credit funds compressing spreads
- Regulatory or leverage constraints limiting portfolio growth
TSLX vs Peers
TSLX operates in the closed-end and specialty finance space alongside several other vehicles that allocate capital across equity and credit markets.
Fairfax India focuses on equity investments in Indian businesses, offering geographic and asset-class exposure very different from TSLX's US middle-market debt focus.
Tri-Continental is a diversified closed-end fund investing in equities rather than private credit, appealing to investors seeking broad market exposure over direct lending income.
Cymbria is a Canadian closed-end vehicle with equity-oriented holdings, contrasting with TSLX's income-generating, debt-first BDC structure.
Frequently Asked Questions
What does Sixth Street Specialty Lending do?
Sixth Street Specialty Lending is a business development company that provides loans and structured financing to middle-market businesses in the United States. It focuses on senior secured debt but also participates in mezzanine, unsecured, and equity layers of the capital structure across sectors like technology, healthcare, and industrials.
Does TSLX pay dividends?
Yes, TSLX pays a regular dividend. As a BDC, it is required to distribute the substantial majority of its taxable income to shareholders, making dividend income a core feature of the investment. The level of distributions is tied to net investment income from the loan portfolio.
When does TSLX report earnings?
Sixth Street Specialty Lending reports earnings on a quarterly cadence, standard for US-listed BDCs. Key metrics to watch include net investment income and net asset value per share. For exact dates and the latest results, check the company's investor relations page.
Is TSLX a good stock to buy?
UQS Score rates TSLX as Good overall. The Quality and Valuation pillars are the relative strengths, while Moat, Growth, and Risk are Weak — a profile typical of middle-market lenders. Whether it suits your portfolio depends on your income needs and tolerance for credit-cycle risk. The full pillar breakdown is available to Pro members.
Is TSLX overvalued?
The UQS Valuation pillar for TSLX is rated Good, suggesting the stock is not pricing in excessive optimism relative to its fundamentals. BDC valuations are often assessed relative to net asset value, and the current label indicates a reasonable entry point by that framework — though no valuation is risk-free.
How does TSLX compare to its competitors?
TSLX is a US-focused middle-market lender, which distinguishes it from peers like Fairfax India (equity in Indian markets), Tri-Continental (diversified US equities), and Cymbria (Canadian equity holdings). TSLX's income-first, debt-oriented model is more specialized than these broader investment vehicles.
What is TSLX's market cap bracket?
TSLX is classified as a small-cap company. Within the BDC universe, smaller market caps can mean less liquidity and greater sensitivity to portfolio-level credit events compared to larger specialty finance peers.
Who founded Sixth Street Specialty Lending?
Sixth Street Specialty Lending was established in 2014 as part of the broader Sixth Street Partners platform. Founding and management details are publicly available through the company's regulatory filings and investor relations materials.
Is TSLX a long-term quality investment?
As a long-term quality indicator, TSLX's Strong Quality pillar is encouraging — it suggests disciplined portfolio management relative to BDC peers. However, the Weak Growth and Risk pillars indicate limited upside potential and meaningful sensitivity to credit cycles, which are important considerations for long-horizon investors.
What is the main competitive advantage of Sixth Street Specialty Lending?
TSLX benefits from its affiliation with the Sixth Street Partners platform, which provides origination reach and underwriting resources. That said, the UQS Moat pillar rates as Weak, reflecting the broadly competitive nature of middle-market private credit where differentiation is difficult to sustain.
What sector does TSLX belong to?
TSLX is classified under the Financial Services sector, specifically as a business development company — a regulated structure that allows it to provide financing to private middle-market businesses while passing income through to shareholders in a tax-efficient manner.
Is TSLX a growth stock or value stock?
Based on UQS pillar labels, TSLX leans toward an income and value profile rather than growth. The Growth pillar is Weak, consistent with a BDC whose returns come primarily from interest income rather than portfolio expansion. The Good Valuation label adds to the value-oriented framing.
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Pro Analysis
TSLX — Score History
| Date | UQS | Quality | Moat | Growth | Risk | Value | Change |
|---|---|---|---|---|---|---|---|
| May 7, 2026 | 51.5 | 88.2 | 33.0 | 30.1 | 21.3 | 79.8 | +0.3 |
| May 3, 2026 | 51.2 | 88.2 | 33.0 | 30.1 | 21.3 | 78.1 | -0.2 |
| Apr 26, 2026 | 51.4 | 88.2 | 33.0 | 30.1 | 21.3 | 79.2 | +0.1 |
| Apr 24, 2026 | 51.3 | 88.2 | 33.0 | 30.1 | 21.3 | 78.2 | 0.0 |
| Apr 19, 2026 | 51.3 | 88.2 | 33.0 | 30.4 | 21.3 | 78.2 | -0.1 |
| Apr 18, 2026 | 51.4 | 88.2 | 33.0 | 30.3 | 21.3 | 78.7 | -1.7 |
| Apr 14, 2026 | 53.1 | 88.2 | 33.0 | 30.3 | 21.3 | 90.1 | -4.3 |
| Apr 13, 2026 | 57.4 | 88.2 | 50.0 | 30.3 | 21.3 | 90.3 | +4.3 |
| Apr 12, 2026 | 53.1 | 88.2 | 33.0 | 30.3 | 21.3 | 90.3 | 0.0 |
| Apr 5, 2026 | 53.1 | 88.2 | 33.0 | 30.3 | 21.3 | 90.1 | 0.0 |
TSLX — Pillar Breakdown
Quality
— 75.0/100 (25%)Sixth Street Specialty Lending, Inc. demonstrates outstanding capital efficiency and profitability, placing it among the highest-quality businesses in the market.
Profitability relative to shareholders' equity.
Ability to convert revenue into operating profit.
Bottom-line profit as a share of revenue.
Free cash flow relative to market value.
Growth
— 22.2/100 (20%)Sixth Street Specialty Lending, Inc. faces growth headwinds with declining or stagnant revenue trends.
Revenue trajectory over the last twelve months.
Compound annual revenue growth rate over 3 years.
Year-over-year earnings per share growth.
Analyst consensus for future revenue growth.
Analyst consensus for future earnings growth.
Risk
— 37.2/100 (15%)Sixth Street Specialty Lending, Inc. has some risk factors including moderate leverage or solvency concerns.
Total debt relative to shareholder equity.
Short-term liquidity — ability to pay near-term obligations.
Earnings capacity relative to interest payments.
Valuation
— 68.8/100 (15%)Sixth Street Specialty Lending, Inc. trades at a reasonable valuation with decent earnings yield and FCF multiples.
Inverse of forward P/E — higher yield means cheaper stock.
How many years of FCF the market cap represents.
P/E relative to earnings growth — lower is more attractive.
Moat
— 33/100 (25%)Sixth Street Specialty Lending, Inc. operates in a highly competitive environment with limited sustainable advantages. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for TSLX.
Score Composition
Financial Data
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How is the TSLX UQS Score Calculated?
The UQS (Unified Quality Score) for Sixth Street Specialty Lending, Inc. is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.
Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.
Moat (25%) assesses Sixth Street Specialty Lending, Inc.'s competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.
Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.
Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.
Valuation (15%) measures whether Sixth Street Specialty Lending, Inc. is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.
Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.