MongoDB vs CoStar Group
Popular cloud database platform for modern developers vs Commercial real estate data leader powering online marketplaces. Which is the better buy for your portfolio in November 2026? Plain-English answer below.
MongoDB bets everything on a developer-first document database that scales horizontally, while CoStar Group monetizes a proprietary commercial real estate data moat that brokers can't live without. They're both subscription-driven platforms that depend on making their data infrastructure indispensable to a captive professional audience. The MongoDB vs CoStar Group comparison digs into growth trajectories, retention economics, and which platform commands the stronger pricing power in its respective vertical.
MongoDB bets everything on a developer-first document database that scales horizontally, while CoStar Group monetizes a proprietary commercial real estate data moat that brokers can't live without. Th...
Why Itâs Moving
MongoDB Shares Rally Amid Analyst Bullishness and Upcoming Earnings
- Shares gained 2.8% to reach $341.36, marking a fourth consecutive winning session despite broader market volatility.
- A new analyst initiation on a bullish note coincided with MongoDB being listed among top growth stocks with a Strong Buy rating.
- The company confirmed it will report Q3 FY2027 financial results after market close on December 1, 2026, fueling anticipation for another potential earnings beat.
CoStar Group Upgrades U.S. Retail and Multifamily Forecasts Amid Sector Recovery
- National retail vacancy is now forecasted to end the year at 4.26%, down from 4.32% in the third quarter, while asking rent growth is estimated to reach $26.36 per square foot by year-end.
- The U.S. multifamily forecast was modestly upgraded, with national vacancy projected to remain near 7.9% through 2026 before declining to 7.5% by the end of 2027 as the market absorbs new units.
- CoStar Group opened nominations for its sixth annual CoStar Impact Awards, highlighting exemplary commercial real estate transactions across 129 major markets in the United States, United Kingdom, and Canada.
MongoDB Shares Rally Amid Analyst Bullishness and Upcoming Earnings
- Shares gained 2.8% to reach $341.36, marking a fourth consecutive winning session despite broader market volatility.
- A new analyst initiation on a bullish note coincided with MongoDB being listed among top growth stocks with a Strong Buy rating.
- The company confirmed it will report Q3 FY2027 financial results after market close on December 1, 2026, fueling anticipation for another potential earnings beat.
CoStar Group Upgrades U.S. Retail and Multifamily Forecasts Amid Sector Recovery
- National retail vacancy is now forecasted to end the year at 4.26%, down from 4.32% in the third quarter, while asking rent growth is estimated to reach $26.36 per square foot by year-end.
- The U.S. multifamily forecast was modestly upgraded, with national vacancy projected to remain near 7.9% through 2026 before declining to 7.5% by the end of 2027 as the market absorbs new units.
- CoStar Group opened nominations for its sixth annual CoStar Impact Awards, highlighting exemplary commercial real estate transactions across 129 major markets in the United States, United Kingdom, and Canada.
Investment Analysis
MongoDB
MDB
Pros
- MongoDB has demonstrated strong revenue growth, reaching $2.01 billion in 2024 with a 19.22% increase year-over-year.
- It offers a leading multi-cloud database platform with differentiated products like MongoDB Atlas and Enterprise Advanced supporting hybrid deployments.
- Analyst sentiment is predominantly positive, with a strong buy consensus and an average 12-month target near current prices, reflecting confidence in its growth potential.
Considerations
- The company remains unprofitable with a net loss of $78.62 million trailing twelve months, reflecting ongoing investment and margin pressure.
- MongoDBâs stock price has shown volatility and mixed forecast predictions, with some models projecting notable price declines beyond 2025.
- Leadership transition risks exist as the CEO Dev Ittycheria is stepping down, introducing uncertainty around future strategic direction.
CoStar Group
CSGP
Pros
- CoStar Group dominates the commercial real estate data and analytics market, benefiting from high barriers to entry and recurring subscription revenues.
- The company has expanded its product offerings and geographic footprint, driving steady revenue growth supported by digital transformation trends in real estate.
- Strong balance sheet with healthy cash flow generation enables investments in technology and potential acquisitions to sustain competitive advantage.
Considerations
- CoStar Groupâs exposure to commercial real estate markets subjects it to economic cycles and fluctuations in property sector demand.
- Recent macroeconomic challenges and regulatory scrutiny in the real estate sector could pressure CoStarâs growth trajectory and margins.
- Valuation levels remain elevated relative to earnings, reflecting high expectations that could limit upside if growth slows or risks materialise.
MongoDB (MDB) Next Earnings Date
The next confirmed earnings date for MDB is December 1, 2026, scheduled to release after market close. This report will cover the company's fiscal third quarter results. Investors should note that this timing aligns with the historical pattern of reporting approximately three months after the previous September release.
CoStar Group (CSGP) Next Earnings Date
No confirmed upcoming earnings date has been announced for CSGP as of November 9, 2026. Based on the company's historical reporting pattern, which typically occurs approximately three months after the previous quarter's release, the next report is expected in late January or early February 2027. This upcoming release will cover the fourth quarter and full-year results for fiscal year 2026. Investors should monitor official announcements for the precise scheduling details.
MongoDB (MDB) Next Earnings Date
The next confirmed earnings date for MDB is December 1, 2026, scheduled to release after market close. This report will cover the company's fiscal third quarter results. Investors should note that this timing aligns with the historical pattern of reporting approximately three months after the previous September release.
CoStar Group (CSGP) Next Earnings Date
No confirmed upcoming earnings date has been announced for CSGP as of November 9, 2026. Based on the company's historical reporting pattern, which typically occurs approximately three months after the previous quarter's release, the next report is expected in late January or early February 2027. This upcoming release will cover the fourth quarter and full-year results for fiscal year 2026. Investors should monitor official announcements for the precise scheduling details.
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