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Updated Monday, Jan. 12, to add funding sources and the total amount of funding raised to date.

MongoDB, the company behind the popular NoSQL database by the same name, disclosed today in a regulatory filing that it has secured $80 million in venture funding, giving the company some more time to get itself ready to go public.

An unnamed “sovereign wealth fund” led the round, according to a company statement on Monday. Altimeter Capital, Goldman Sachs, NEA, Sequoia Capital, and funds managed by T. Rowe Price also participated.

Union Square Ventures managing partner Albert Wenger and Sequoia Capital partner Roelof Botha, and Flybridge Capital Partners general partner Chip Hazard, all MongoDB board members, are all listed on the filing, which shows the company is offering to sell a total of $100 million, not just $80 million.

MongoDB’s previous funding round, totaling $150 million, came in October 2013. In August MongoDB announced a new chief executive, Dev Ittycheria.

Competitors in the NoSQL database business include Basho, Couchbase, and DataStax, among others.

To date MongoDB has raised $311 million, according to Monday’s statement.

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