...Our rating on WEX Inc. reflects the company's strong operating performance and large portfolio of high-quality securities, balanced by high gross debt. WEX's performance has sharply rebounded since COVID-19-related lows in 2020. The company posted revenue growth of 18.6%, 27.0%, and 8.4% in 2021, 2022, and 2023 respectively, with its S&P Global Ratings-adjusted EBITDA more than doubling to $1.2 billion for the rolling 12 months ended June 30, 2024, from $538.4 million in 2020. Balancing S&P Global Ratings' view of WEX's strong performance is the large increase in deposit-based funding on the company's balance sheet. We include WEX's on-balance-sheet deposits--used to fund its fleet receivables and growing investment portfolio--in our gross debt calculation. We think WEX's expanding investment portfolio may help offset interest rate risk associated with the company's debt. WEX's short-term deposit liabilities amounted to about $4.3 billion as of June 30, 2024. The bulk of these (about $3.3...