Oscar Karlstromer Net Worth (Estimated)
Founder at Zaplar · YC S26
Quick answer
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026.
Oscar Karlstromer is Founder at Zaplar (YC S26). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: Sweden
- Industries: B2B, Operations
- Team size: 8
- Website: https://zaplar.com
Who is Oscar Karlstromer?
Oscar Karlstromer is a founder at Zaplar, a company that participated in Y Combinator's Summer 2026 program.
About Zaplar
Zaplar is the AI-native operating system for hotels.
We replace the entire hotel tech stack (PMS, POS, booking engine, etc) into one software that can handle hotel operations autonomously.
Learn more at https://zaplar.com
Model inputs
- Stage: seed
- Valuation tier: fallback-seed
- Valuation note: no_discovery_sources
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Oscar Karlstromer net worth and Zaplar valuation
What is Oscar Karlstromer's net worth?
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Oscar Karlstromer net worth
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This Oscar Karlstromer net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Oscar Karlstromer worth?
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. How much Oscar Karlstromer is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Oscar Karlstromer?
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. “How rich is Oscar Karlstromer” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Oscar Karlstromer fortune
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This Oscar Karlstromer fortune figure is estimated paper wealth only, not a verified statement of assets.
Oscar Karlstromer equity value
Oscar Karlstromer's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. Oscar Karlstromer equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Zaplar valuation?
Zaplar's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.
What is Zaplar post-money valuation?
Zaplar's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Zaplar funding?
Zaplar funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Zaplar raised is not a complete cap table — figures are estimates only.
How much did Zaplar raise?
How much Zaplar raised, when disclosed, informs the estimated Zaplar valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Zaplar raise?
How much money Zaplar raised, when a public figure is available, is a model input for the estimated Zaplar valuation on this profile. Estimates only — not a complete cap table.
What is Zaplar series funding?
Zaplar series funding, when a public raise is disclosed, informs the estimated Zaplar valuation here. Not a complete financing history.
What company is Oscar Karlstromer building?
Oscar Karlstromer is Founder at Zaplar, a Y Combinator-backed startup (batch S26).
What does Zaplar do?
Zaplar — Agentic Hotel Operating System
What YC batch is Oscar Karlstromer from?
Oscar Karlstromer is associated with Y Combinator batch S26.
Where is Oscar Karlstromer based?
Public directory data lists Oscar Karlstromer's region as Sweden.
What industry is Oscar Karlstromer in?
Oscar Karlstromer is listed under B2B, Operations.
How big is Zaplar?
Public data lists Zaplar's team size as 8.
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.