Organization · Angel Group
Quixotic
Quixotic Ventures is an angel investing organization led by Mark Kingdon, focusing on early-stage investments in technology-driven consumer companies, particularly in marketplaces and e-commerce. Based in the United States, it operates as a personal investment vehicle rather than a traditional venture fund.
Overview
What Quixotic does
What Quixotic is
Quixotic Ventures is an angel investing organization led by Mark Kingdon, focusing on early-stage investments in technology-driven consumer companies, particularly in marketplaces and e-commerce. Based in the United States, it operates as a personal investment vehicle rather than a traditional venture fund.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Angel Group
- Founded
- Founded in 2005
- Approximate age
- About 21 years
- Structured capabilities
- Funder
- Last reviewed
- May 1, 2026
Official channels
Find Quixotic elsewhere
Open the official website or a supported primary organization account.
Capability profile
Quixotic as a funder
Investment thesis
Quixotic Ventures focuses on early-stage investments in consumer-driven companies, particularly in marketplaces and e-commerce enablement. The firm emphasizes a selective investment approach, preferring to support founders in sectors it understands deeply, such as resale and circular economy.
Focus narrative
Quixotic Ventures primarily invests in consumer-focused companies, with a strong emphasis on marketplaces and e-commerce enablement. The organization avoids sectors such as healthcare, education technology, financial technology, cryptocurrency, and hardware, maintaining a clear focus to optimize investment outcomes.
Value beyond capital
Quixotic Ventures adds value to its portfolio companies through focused support and insights from Mark Kingdon's extensive experience as a CEO and investor. The firm emphasizes a selective investment strategy, allowing for deeper engagement with founders and tailored guidance to enhance business growth.
Focus and fit
- Stages
- Seed · Friends and Family · Angel · Accelerator
- Regions
- United States · Global
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 24
- Recorded notable exits
- TheRealReal
Portfolio context
Quixotic Ventures has invested in approximately two dozen companies, including: Twitter: A leading social media platform. Refinery29: A digital media and entertainment company targeting young women. Mathison: A platform connecting diverse talent with hiring companies. UberMedia: A mobile advertising and analytics firm. TheRealReal: An online marketplace for authenticated luxury consignment.
Common questions
What to know about Quixotic
Upseed classifies Quixotic under the Angel Group organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 1, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.