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Why Is MongoDB Stock Crashing and is it a Buying Opportunity? | MDB STock Analysis

Parkev Tatevosian, CFA•Oct 12, 2026

Summary

Parkev analyzes MongoDB's current market position following the abrupt departure of its CEO and the subsequent authorization of a $1 billion share buyback program. Parkev highlights the company's impressive scale, with revenue growing from $100 million in 2017 to $2.78 billion over the last twelve months. Parkev notes that management expects at least 20% annual revenue growth over the next three years, alongside a significant improvement in operating cash flow margins, which reached 24% recently.

Parkev emphasizes that the company is successfully scaling its research and development (R&D) expenses, with the R&D-to-revenue ratio falling from 55% in 2017 to 28% today. Despite these fundamental strengths and a forward P/E ratio of 49, which Parkev considers fair, his discounted cash flow (DCF) model suggests a different conclusion. Parkev calculates the fair value of the stock to be $293, which is substantially lower than the current trading price of $386.

Parkev evaluates MongoDB (MDB) as a hold because the current stock price exceeds his calculated fair value of $293. Parkev acknowledges the company's robust 20% projected growth rate and its path toward GAAP profitability by late 2027. However, Parkev concludes that the market price of $386 is currently too high, and he is waiting for a better entry point or further performance improvements before upgrading to a buy.

Mentioned Stocks

MDB
Sentiment: HOLD

Reasoning: Parkev notes that while MongoDB shows strong fundamental growth and is scaling R&D efficiently, his discounted cash flow analysis yields a fair value of $293. Since the current market price is $386, Parkev considers the stock overvalued despite a historically low forward P/E of 49. Parkev maintains a hold rating, waiting for the price to align more closely with his intrinsic value estimate before considering a buy.

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