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MongoDB, Inc.

Acquisitions

MongoDB Acquisitions

4

Major Deals Covered

$107M

Disclosed Deal Value

What are MongoDB's biggest acquisitions?

MongoDB's largest disclosed acquisition here is mLab for $68M in 2018. This page covers 4 major deals from 2014 to 2025, each with its price where disclosed and the reason behind it.

Major deals covered
4
Largest deal
mLab ($68M)
First deal
2014
Most recent
2025
CompanyYearPricePurpose
WiredTiger2014UndisclosedAcquired WiredTiger, a storage engine company founded by Berkeley DB creators Keith Bostic and Michael Cahill, to improve concurrency, compression, and reliability.
mLab2018$68.0MAcquired mLab, a managed MongoDB hosting provider, for $68 million to accelerate Atlas adoption.
Realm2019$39.0MAcquired the Realm mobile database for $39 million to add on-device data and sync capabilities.
Voyage AI2025UndisclosedAcquired Voyage AI, a maker of embedding and reranking models, to improve retrieval accuracy for AI applications built on Atlas.
What companies has MongoDB bought?
Major acquisitions by MongoDB documented here include mLab (2018), Realm (2019), Voyage AI (2025) and WiredTiger (2014).
What is MongoDB's most recent acquisition?
The most recent MongoDB acquisition documented here is Voyage AI, in 2025.

Voyage AI

2025

Why

Acquired Voyage AI, a maker of embedding and reranking models, to improve retrieval accuracy for AI applications built on Atlas.

Realm

2019

$39M

Why

Acquired the Realm mobile database for $39 million to add on-device data and sync capabilities.

mLab

2018

$68M

Why

Acquired mLab, a managed MongoDB hosting provider, for $68 million to accelerate Atlas adoption.

Impact

mLab customers were migrated onto MongoDB Atlas.

Outcome

The deal consolidated the managed MongoDB hosting market around Atlas.

WiredTiger

2014

Why

Acquired WiredTiger, a storage engine company founded by Berkeley DB creators Keith Bostic and Michael Cahill, to improve concurrency, compression, and reliability.

Impact

WiredTiger became MongoDB's default storage engine starting with version 3.2.

Outcome

The engine underpins MongoDB's enterprise-grade durability and performance.

MongoDB, Inc.'s Growth & Acquisition Strategy

Under CEO CJ Desai, MongoDB is positioning itself as a data platform for AI applications: Atlas Vector Search, Voyage AI embedding and reranking models (acquired in 2025), and tooling that connects coding agents to operational data. It also pursues migrations off relational databases and sells a 'run anywhere' approach spanning self-managed Enterprise Advanced and multi-cloud Atlas.

How MongoDB, Inc. Makes Money

MongoDB runs a developer-led, open-core model. The free Community Server (source-available under the SSPL since 2018) drives adoption. Revenue comes from MongoDB Atlas, a fully managed service on AWS, Google Cloud, and Microsoft Azure billed on consumption of compute, storage, and data transfer; from MongoDB Enterprise Advanced, a self-managed subscription with security, management tooling, and support; and from services. Subscription revenue was about 97% of total revenue in fiscal 2026. In Q2 fiscal 2027, Atlas generated $565.9M (up 29%) and Enterprise Advanced and other subscription revenue $181.2M (up 36%).

MongoDB Acquisitions FAQ

Why was the 2014 acquisition of WiredTiger critical for MongoDB's architecture?

In December 2014, MongoDB acquired WiredTiger, founded by database legends Keith Bostic and Dr. Michael Cahill (creators of Berkeley DB). WiredTiger became MongoDB's default storage engine in version 3.0, delivering document-level concurrency control, multi-threading, and 70% data compression.

What was the acquisition of Realm for $39 million in 2019?

In April 2019, MongoDB acquired mobile database leader Realm for $39 million. Realm gave MongoDB an embedded edge database used by over 100,000 mobile developers, powering Atlas Device Sync for real-time edge-to-cloud data synchronization on iOS and Android.

What was the acquisition of mLab for $68 million in 2018?

In October 2018, MongoDB acquired mLab (formerly MongoLab) for $68 million. mLab was a pioneer in managed MongoDB cloud hosting with over 10,000 customers. The acquisition eliminated its primary managed hosting rival and accelerated customer migration onto MongoDB Atlas.

Why did MongoDB acquire Voyage AI in 2025?

MongoDB acquired Voyage AI in 2025 to bring embedding and reranking models into its platform, improving retrieval accuracy for AI applications that use Atlas Vector Search.

How does MongoDB evaluate M&A opportunities in the data ecosystem?

MongoDB focuses on targeted technology acquisitions in core database engines, distributed stream processing, query encryption cryptography, and AI vector indexing, integrating acquired IP directly into the single unified MongoDB Atlas platform.

Why was the 2014 acquisition of WiredTiger so critical for MongoDB?

In 2014, MongoDB acquired WiredTiger, an independent storage engine firm founded by Berkeley DB veterans Keith Bostic and Michael Cahill. Integrating WiredTiger into MongoDB 3.0 replaced the old global write-lock with granular document-level concurrency and native data compression, boosting database throughput by 7x to 10x.

Why did MongoDB acquire mobile database company Realm in 2019?

In 2019, MongoDB acquired Realm for $39 million. Realm was used by millions of iOS and Android developers as a lightweight embedded mobile database. The acquisition enabled MongoDB to offer automatic edge-to-cloud data synchronization, allowing mobile apps to function seamlessly offline and sync back to MongoDB Atlas.

Related M&A Histories

Compare corporate acquisition records, deal values, and strategic targets

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.