Legendary fund manager Li Lu (who Charlie Munger backed) once said, 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' When we think about how risky a company is, we always like to look at its use of debt, since debt overload can lead to ruin. Importantly, SolarWinds Corporation (NYSE:SWI) does carry debt. But is this debt a concern to shareholders?

Why Does Debt Bring Risk?

Generally speaking, debt only becomes a real problem when a company can't easily pay it off, either by raising capital or with its own cash flow. Part and parcel of capitalism is the process of 'creative destruction' where failed businesses are mercilessly liquidated by their bankers. However, a more common (but still painful) scenario is that it has to raise new equity capital at a low price, thus permanently diluting shareholders. Of course, plenty of companies use debt to fund growth, without any negative consequences. When we examine debt levels, we first consider both cash and debt levels, together.

Check out our latest analysis for SolarWinds

What Is SolarWinds's Debt?

The chart below, which you can click on for greater detail, shows that SolarWinds had US$1.89b in debt in June 2022; about the same as the year before. However, it does have US$778.2m in cash offsetting this, leading to net debt of about US$1.11b.

How Healthy Is SolarWinds' Balance Sheet?

The latest balance sheet data shows that SolarWinds had liabilities of US$412.0m due within a year, and liabilities of US$2.05b falling due after that. On the other hand, it had cash of US$778.2m and US$84.7m worth of receivables due within a year. So it has liabilities totalling US$1.60b more than its cash and near-term receivables, combined.

When you consider that this deficiency exceeds the company's US$1.46b market capitalization, you might well be inclined to review the balance sheet intently. In the scenario where the company had to clean up its balance sheet quickly, it seems likely shareholders would suffer extensive dilution.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). Thus we consider debt relative to earnings both with and without depreciation and amortization expenses.

Weak interest cover of 0.86 times and a disturbingly high net debt to EBITDA ratio of 9.1 hit our confidence in SolarWinds like a one-two punch to the gut. This means we'd consider it to have a heavy debt load. On a lighter note, we note that SolarWinds grew its EBIT by 21% in the last year. If sustained, this growth should make that debt evaporate like a scarce drinking water during an unnaturally hot summer. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if SolarWinds can strengthen its balance sheet over time. So if you want to see what the professionals think, you might find this free report on analyst profit forecasts to be interesting.

But our final consideration is also important, because a company cannot pay debt with paper profits; it needs cold hard cash. So the logical step is to look at the proportion of that EBIT that is matched by actual free cash flow. Happily for any shareholders, SolarWinds actually produced more free cash flow than EBIT over the last three years. There's nothing better than incoming cash when it comes to staying in your lenders' good graces.

Our View

SolarWinds's interest cover and net debt to EBITDA definitely weigh on it, in our esteem. But its conversion of EBIT to free cash flow tells a very different story, and suggests some resilience. When we consider all the factors discussed, it seems to us that SolarWinds is taking some risks with its use of debt. So while that leverage does boost returns on equity, we wouldn't really want to see it increase from here. There's no doubt that we learn most about debt from the balance sheet. But ultimately, every company can contain risks that exist outside of the balance sheet. Be aware that SolarWinds is showing 1 warning sign in our investment analysis , you should know about...

When all is said and done, sometimes its easier to focus on companies that don't even need debt. Readers can access a list of growth stocks with zero net debt 100% free, right now.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.