StumbleUpon
AcquiredSan Francisco, United States · Founded 2002 · $18.5M raised
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2002
- Business Model
- B2C
- Website
- stumbleupon.com
- Total Funding
- $18.5M
- Last Round
- $1.5M SeedMar 2011
- Rounds
- 2
About
StumbleUpon was a web discovery platform and browser extension that served personalized, semi-random websites matching user interests via a 'Stumble!' button. Founded in 2001, it grew to drive more social referral traffic than Facebook, Reddit, and Twitter combined at its peak. The company was acquired by eBay in 2007 for over $75 million and shut down in June 2018.
Summary
StumbleUpon is a Media company based in San Francisco, United States, founded in 2002. It has raised $18.5M in total across 2 rounds, most recently a $1.5M Seed round in Mar 2011. Investors include Accel, eBay and August Capital.
Tech & App Stack
2 technologies & apps tracked
Create a free account — 10 credits a month to unlock the full tech & app stack, funding history, and valuations.
Sign up to view the funding chart
Create a free account — you'll get 10 credits a month to unlock funding history, valuations, and tech stacks.
Funding History
Mar 2011
Sign up to see all 3 rounds
Full funding history, per-round amounts, and investor participation.
Investors
Similar Companies

ByteDance is a Chinese technology company that utilizes AI to distribute content based on users' ...

Twitter is an online social networking service and microblogging service that enables its users t...
The frontpage of the internet.
Indian social media platform offering regional-language content and short-video app Moj, serving ...
Voice, video, and text communication platform for communities, gaming, and team collaboration

Chinese Q&A and content platform connecting users to expert answers, discussions, and knowledge.




