John Marcus III Net Worth (Estimated)
Founder at Instantq · YC S09
Quick answer
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026.
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.
Model inputs
- Stage: inactive
- Valuation tier: fallback-inactive
- Valuation note: no_discovery_sources [scale: acquired/inactive raise amount not used as 10× input]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: John Marcus III net worth and Instantq valuation
What is John Marcus III's net worth?
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
John Marcus III net worth
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. This John Marcus III net worth figure is estimated paper wealth, not a verified statement of assets.
How much is John Marcus III worth?
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. How much John Marcus III is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is John Marcus III?
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. “How rich is John Marcus III” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
John Marcus III fortune
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. This John Marcus III fortune figure is estimated paper wealth only, not a verified statement of assets.
John Marcus III equity value
John Marcus III's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. John Marcus III equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Instantq valuation?
Instantq's estimated valuation on Entrepreneurial Check is $1.0M. Independent model output, not a verified appraisal or official mark.
What is Instantq post-money valuation?
Instantq's estimated valuation on Entrepreneurial Check is $1.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Instantq funding?
Instantq funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Instantq raised is not a complete cap table — figures are estimates only.
How much did Instantq raise?
How much Instantq raised, when disclosed, informs the estimated Instantq valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Instantq raise?
How much money Instantq raised, when a public figure is available, is a model input for the estimated Instantq valuation on this profile. Estimates only — not a complete cap table.
What is Instantq series funding?
Instantq series funding, when a public raise is disclosed, informs the estimated Instantq valuation here. Not a complete financing history.
What company is John Marcus III building?
John Marcus III is Founder at Instantq, a Y Combinator-backed startup (batch S09).
What YC batch is John Marcus III from?
John Marcus III is associated with Y Combinator batch S09.
Where is John Marcus III based?
Public directory data lists John Marcus III's region as United States of America.
What industry is John Marcus III in?
John Marcus III is listed under B2B, Retail.
How big is Instantq?
Public data lists Instantq's team size as 2.
What is Instantq's status?
Instantq is listed as Inactive in public company data.
What else is notable about John Marcus III?
Y Combinator S09.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.