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Tumblr

Consumer Services · New York City, United States · Founded 2007

Tumblr is a social media platform that allows users to create and share content in the form of blogs. It serves a diverse range of clients, including individuals, artists, writers, and small businesses who are looking to express themselves and connect with others who share similar interests. The platform operates in the digital media and social networking market, competing with other social media giants like Facebook, Instagram, and Twitter. Tumblr's business model is centered around user-generated content. Users can post various types of media, including text, photos, quotes, links, chats, audio, and video. The platform is designed to be user-friendly, making it easy for anyone to start a blog and share content. Once a user follows another blog, all posts from that blog appear on their dashboard, allowing for easy interaction and content sharing. Users can also "reblog" posts, adding their own commentary and sharing it with their followers, which fosters a community-driven environment. Tumblr makes money primarily through advertising. The platform offers sponsored posts and ads that appear in users' dashboards. Additionally, Tumblr provides premium themes and customization options for users who want to enhance the appearance of their blogs. These revenue streams allow Tumblr to offer its core services for free while generating income from advertisers and premium users. In summary, Tumblr is a versatile social media platform that enables users to create and share a wide range of content, connect with like-minded individuals, and discover new interests. Its user-friendly design and community-driven features make it a popular choice for creative expression and social interaction. Keywords: social media, blogging, user-generated content, advertising, community, creative expression, digital media, customization, reblogging, dashboard.

Valuation $0–100M
Revenue $10–50M
Headcount 1–2k
Total funding $100–500M
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Tumblr and the history behind them.

Investors

13 investors on Tumblr's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 6 investors entered at this stage
Union Square Ventures
Spark Capital
betaworks
Albert Wenger
Fred Seibert
Dave Morin

Global footprint

Where Tumblr has talent and traffic

Workforce by country
50 countries with
team presence
🇺🇸 United States27.4%
🇧🇷 Brazil19.2%
🇵🇭 Philippines6.8%
🇮🇳 India3.9%
🇩🇪 Germany3.6%
Top 5 of 50 shown

Talent graph

The shape of Tumblr's talent

Dealroom maps Tumblr's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

130 team members profilednamed & role-tagged by Dealroom
1,925 employeestotal headcount
10 executives & foundersidentified by name
DimensionScore
AI Talent Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Tumblr's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Market sentiment

What the market is saying about Tumblr

An AI-synthesized read of the highest-engagement posts about Tumblr on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Tumblr on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.