John Marcus III net worth
Quick answer
John Marcus III's estimated net worth is $19K (range $13K – $28K) as of 2026. John Marcus III is Founder at Instantq. Instantq valuation.
John Marcus III is Founder at Instantq (YC S09). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Inactive
- Region: United States of America
- Industries: B2B, Retail
- Team size: 2
- Website: http://instantq.com
Who is John Marcus III?
John Marcus III is a founder associated with Instantq, which was part of Y Combinator's S09 batch.
Highlights:
- Y Combinator S09
- Instantq
About Instantq
InstantQ is an online platform that enables restaurants to distribute JIT promotions to its customers. It was launched in 2009 by Dana Levine and is based in California.
FAQ: John Marcus III net worth and Instantq valuation
What is John Marcus III's net worth?
John Marcus III's estimated net worth is $19K (range $13K – $28K) as of 2026. John Marcus III is Founder at Instantq. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is Instantq valuation?
Instantq's estimated valuation on Entrepreneurial Check is $1.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is John Marcus III's role?
John Marcus III is Founder at Instantq, a Y Combinator-backed startup (batch S09).