
MongoDB has followed the market’s trajectory closely, rising in tandem with the S&P 500 over the past six months. The stock has climbed by 8.6% to $374 per share while the index has gained 11.7%.
Is there a buying opportunity in MongoDB, or does it present a risk to your portfolio? See what our analysts have to say in our full research report, it’s free.
Why Is MongoDB Not Exciting?
We’re passing on MongoDB for now. Here are three reasons why there are better opportunities than MDB, plus one stock we’d rather own.
1. Long Payback Periods Delay Returns
The customer acquisition cost (CAC) payback period measures the months a company needs to recoup the money spent on acquiring a new customer. This metric helps assess how quickly a business can break even on its sales and marketing investments.
MongoDB’s recent customer acquisition efforts haven’t yielded returns as its CAC payback period was negative this quarter, meaning its incremental sales and marketing investments outpaced its revenue. The company’s inefficiency indicates it operates in a competitive market and must continue investing to grow.
2. Operating Margin Rising, Profits Up
Many software businesses adjust their profits for stock-based compensation (SBC), but we prioritize GAAP operating margin because SBC is a real expense used to attract and retain engineering and sales talent. This is one of the best measures of profitability because it shows how much money a company takes home after developing, marketing, and selling its products.
Over the last two years, MongoDB’s expanding sales gave it operating leverage as its margin rose by 4 percentage points. Its operating margin for the trailing 12 months was negative 4.2%, and it must keep making strides to one day reach sustainable profitability.

3. Cash Flow Margin Set to Decline
If you’ve followed StockStory for a while, you know we emphasize free cash flow. Why, you ask? We believe that in the end, cash is king, and you can’t use accounting profits to pay the bills.
Over the next year, analysts predict MongoDB’s cash conversion will fall. Their consensus estimates imply its free cash flow margin of 22.5% for the last 12 months will decrease to 18.5%.
Final Judgment
MongoDB’s business quality ultimately falls short of our standards. That said, the stock currently trades at 10.1× forward price-to-sales (or $374 per share). While this valuation is reasonable, we don’t really see a big opportunity at the moment. We’re pretty confident there are more exciting stocks to buy at the moment. Let us point you toward one of our all-time favorite software stocks.
Stocks We Like More Than MongoDB
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Stocks that have made our list include now familiar names such as Nvidia (+1,460% between June 2020 and June 2025) as well as under-the-radar businesses like the once-micro-cap company Tecnoglass (+1,552% between June 2020 and June 2025). Find your next big winner with StockStory today.