| Founded | 2005 |
|---|---|
| Closed | 2017 |
| Country | USA |
| Sector | Ecommerce |
| Total raised | ~$50M USD |
| Collapse type | Silent Shutdown |
| Founder | Marc Lore |
Quidsi (Diapers.com)
"Marc Lore built Diapers.com to $300M revenue. Amazon noticed, dropped diaper prices 30% to force a sale, acquired Quidsi for $545M in 2011, then shut every property in 2017 once the threat was neutralized."
Quiet closure with no public announcement
Key Events Timeline
Quidsi was founded in 2005 by Marc Lore and Vinit Bharara in Montclair, New Jersey.
// full analysis
Full analysis requires the Analyst plan
Documented cause · Market cycle · Competitive moat type · Verified lesson
€149/mo · or contribute your autopsy for free access →
UnicornBurn Season 0 opens July 2026. 10,000 founders competing in one world. Your startup fights for the market every Saturday. Most will end up here. Which one are you?
JOIN SEASON 0 →Quidsi (Diapers.com) followed a documented pattern. Identify the same signals in any company before they reach the point of no return.
Witnessed a startup failure first-hand? Share the real story. First-hand accounts from founders and team members get prioritized for publication.
SUBMIT AN AUTOPSY →Failure intelligence for due diligence and risk analysis.
Structured dataset by collapse type, for 5031 startups. 7-day trial.
See plans →Free JSON API. No key required. 50 autopsies, 10 req/day.
Full dataset available with Intelligence plan API key. CORS enabled.
Explore API →Academic, press, or research use? Free JSON API available — no auth required →