MongoDB (MDB) vs Roblox (RBLX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
MongoDB (MDB) has outperformed Roblox (RBLX) over the past year, gaining 14.0% versus a loss of 62.9%. Over five years, MDB leads with a -26.2% price change compared with -40.0% for RBLX. Roblox is the larger company by market cap ($33.15 billion vs $29.20 billion), about 1.1 times the size.
MongoDB converts more of its revenue into profit, with a net margin of -2.9% versus -21.8%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | MDB | RBLX |
|---|---|---|
| Share price | $363.03 | $46.41 |
| Market cap | $29.20B | $33.15B |
| 1-day change | +0.64% | +1.87% |
| YTD return | -13.50% | -42.72% |
| 1-year return | +14.00% | -62.87% |
| 5-year return | -26.18% | -40.03% |
| P/E ratio (TTM) | 504.21 | — |
| Forward P/E | 46.20 | — |
| EPS (TTM) | $0.72 | $-1.45 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $2.46B | $4.89B |
| Revenue growth (YoY) | +22.79% | +35.77% |
| Net income (latest FY) | $-71.15M | $-1.07B |
| Gross margin | 71.75% | 78.07% |
| Operating margin | -5.56% | -25.20% |
| Net margin | -2.89% | -21.78% |
| 52-week high | $473.10 | $141.95 |
| 52-week low | $215.68 | $33.88 |
| Distance from 52-week high | -23.27% | -67.31% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +22.99% | +5.52% |
| Average volume | 2.14M | 12.05M |
| Shares outstanding | 80.43M | 669.99M |
| Employees | 5,783 | 3,065 |
| Sector | Technology | Technology |
| Industry | Computer Software: Prepackaged Software | Computer Software: Prepackaged Software |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- MDB has outperformed RBLX by 76.9 percentage points over the past year.
- MongoDB is more profitable, keeping -2.9 cents of every revenue dollar as net income versus -21.8 cents for Roblox.
- Roblox grew revenue faster in its latest fiscal year (+35.77% vs +22.79%).
About MongoDB
MDB stock →MongoDB, Inc., together with its subsidiaries, provides general purpose database platform worldwide. The company offers MongoDB Atlas, a hosted multi-cloud database-as-a-service solution; MongoDB Enterprise Advanced, a commercial database server for enterprise customers to run in the cloud, on-premises, or in a hybrid environment; and Community Server, a free-to-download version of its database, which includes the functionality that developers need to get started with MongoDB.
Technology · Computer Software: Prepackaged Software · 5,783 employees
About Roblox
RBLX stock →Roblox Corporation operates an immersive platform for connection and communication in the United States and internationally. It offers Roblox Client, an application that allows users to explore immersive experience; Roblox Studio, a free toolset that allows developers and creators to build, publish, and operate immersive experiences and other content; and Roblox Cloud, which provides services and infrastructure that power the platform.
Technology · Computer Software: Prepackaged Software · 3,065 employees
MDB vs RBLX FAQ
Which is bigger, MongoDB or Roblox?
Roblox (RBLX) is larger, with a market capitalization of $33.15B compared with $29.20B for MongoDB (MDB).
Which stock has performed better over the past year, MDB or RBLX?
MDB returned +14.00% over the past 12 months, compared with -62.87% for RBLX (price return, excluding dividends). Past performance does not predict future results.
Are MongoDB and Roblox in the same industry?
Yes. Both are classified in the Computer Software: Prepackaged Software industry within the Technology sector.