Who invested in Tumblr?
Tumblr's investors include Spark Capital, Union Square Ventures, Sequoia Capital, Insight Partners and Greylock, and 7 more on record.
United States · Funded startup
6 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$125Mraised across 6 rounds since 2007, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $85M sold, first sale Sept 2011
Reported by finsmes.comSEC filing: $85M sold, first sale Sept 2011
Reported by techcrunch.comSEC filing: $25M sold, first sale Dec 2010
Reported by techcrunch.comSEC filing: $5.0M sold, first sale Apr 2010
Reported by alleyinsider.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
From historical deal records. Wrong? Tell us.
Tumblr's investors include Spark Capital, Union Square Ventures, Sequoia Capital, Insight Partners and Greylock, and 7 more on record.
Tumblr has raised $125M across 6 rounds since 2007. One round did not disclose an amount, so the total is a floor.
Tumblr's most recent round was a Secondary in Jan 2012.
Tumblr's largest round on record is $85M (Series E), in Sept 2011.
Tumblr's first round on record, in Oct 2007, was backed by Spark Capital, Union Square Ventures and Betaworks and 2 others.
Tumblr's latest named round is a Secondary, in Jan 2012.
Tumblr is based in the United States.
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