Company

Tumblr

Rocket Ship Rating

Rocket Ship Rating: 91 out of 100

Tumblr

Also known as Tumblr, Inc.

Consumer apps & social

Status: Acquiredas of 2026-09-23Source (opens in a new tab)
Business model: B2C
Legal name: Tumblr, Inc.

tumblr.com (opens in a new tab)

Open relationship map

Claim, correct or request removal

Record updated 8 October 2026

About

Tumblr is a startup. Its one_liner is Tumblr.

Funding snapshot

Total raised: $120MSum of rounds, as of 2026-10-08Source (opens in a new tab)
Latest round: Undisclosed, $85M2011-09-22

Funding rounds

Round, 2011: $85M2011-09-22, SEC form D sold, 15 investors
Series D+: $25M2010-12-03, SEC form D sold, 8 investors
Round, 2010: $5M2010-04-05, SEC form D sold, 5 investors
Series B: $4.5M2008-12, Announced
Round, 2007: $750K2007-10, Announced

About the company

Status notes: wholly-owned subsidiary of Automattic Inc.

Products

Web: Tumblr