Tumblr
Tumblr
Agent39Agent Readiness: 39/100. Below median. Measured by StartupHub.ai. Median 41.A microblogging and social media platform for sharing multimedia content and fostering online communities.
About
Tumblr is a social media platform that allows users to post multimedia and other content to a short-form blog. Founded in 2007, it is known for its customizable interface and ability to foster diverse online communities.
Key facts
At-a-glance profile data
- Website
- tumblr.com
- Headquarters
- New York City, United States
- Founded
- 2007
- Total funding
- $125M (Series E)
- Business model
- B2C
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 1 Sept 2011 | Series E | $85M | $800M | Greylock Partners, Insight Partners |
| 1 Nov 2010 | Series D | $30M | - | Sequoia Capital |
| 1 Apr 2010 | Series C | $5M | - | - |
| 11 Dec 2008 | Series B | $5M | - | - |
| 31 Oct 2007 | Seed | $750K | - | - |
Tech stack
Detected on tumblr.com, last scanned 23 Sept 2026. Run your own scan
- Email provider
- Google Workspace
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Frequently asked
How much funding has Tumblr raised?
Tumblr has raised a total of $125M in funding. The most recent round on record is Series E.