Alistair Pullen net worth
Quick answer
Alistair Pullen's estimated net worth is $12.5M (range $8.75M – $18.75M) as of 2026. Alistair Pullen is Founder at Cosine. Cosine valuation.
Alistair Pullen is Founder at Cosine (YC W23). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United Kingdom
- Industries: B2B
- Team size: 12
- Website: http://www.cosine.sh
Who is Alistair Pullen?
Alistair Pullen is a founder at Cosine, which participated in Y Combinator's W23 batch.
Highlights:
- University of California, Berkeley
About Cosine
Cosine is a fully agentic SWE that allows you to instantly work on every single ticket at once, asynchronously.
FAQ: Alistair Pullen net worth and Cosine valuation
What is Alistair Pullen's net worth?
Alistair Pullen's estimated net worth is $12.5M (range $8.75M – $18.75M) as of 2026. Alistair Pullen is Founder at Cosine. 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 Cosine valuation?
Cosine's estimated valuation on Entrepreneurial Check is $25.0M. 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 Alistair Pullen's role?
Alistair Pullen is Founder at Cosine, a Y Combinator-backed startup (batch W23).