Alistair Pullen Net Worth (Estimated)
Founder at Cosine · YC W23
Quick answer
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026.
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.
Model inputs
- Stage: seed
- Valuation tier: raise-10x
- Funding input: reported raise $2.5M
- Valuation note: Leftover $2.5M matches the Uphonest/SOMA seed. Do not lock lifetime $8M, UK grants, or invent a Series A.
- Research as-of: 2026-09-14
- Funding source: https://siliconangle.com/2024/08/12/cosine-raises-2-5m-uncannily-human-ai-coding-assistant-genie/
FAQ: Alistair Pullen net worth and Cosine valuation
What is Alistair Pullen's net worth?
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Alistair Pullen net worth
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. This Alistair Pullen net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Alistair Pullen worth?
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. How much Alistair Pullen is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Alistair Pullen?
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. “How rich is Alistair Pullen” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Alistair Pullen fortune
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. This Alistair Pullen fortune figure is estimated paper wealth only, not a verified statement of assets.
Alistair Pullen equity value
Alistair Pullen's estimated net worth / paper wealth is $12.5M (range $8.8M–$18.8M) as of 2026. Alistair Pullen equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Cosine valuation?
Cosine's estimated valuation on Entrepreneurial Check is $25.0M. Independent model output, not a verified appraisal or official mark.
What is Cosine post-money valuation?
Cosine's estimated valuation on Entrepreneurial Check is $25.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Cosine funding?
Cosine funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Cosine raised is not a complete cap table — figures are estimates only.
How much did Cosine raise?
How much Cosine raised, when disclosed, informs the estimated Cosine valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Cosine raise?
How much money Cosine raised, when a public figure is available, is a model input for the estimated Cosine valuation on this profile. Estimates only — not a complete cap table.
What is Cosine series funding?
Cosine series funding, when a public raise is disclosed, informs the estimated Cosine valuation here. Not a complete financing history.
What company is Alistair Pullen building?
Alistair Pullen is Founder at Cosine, a Y Combinator-backed startup (batch W23).
What does Cosine do?
Cosine — Fully Agentic SWE
What YC batch is Alistair Pullen from?
Alistair Pullen is associated with Y Combinator batch W23.
Where is Alistair Pullen based?
Public directory data lists Alistair Pullen's region as United Kingdom.
What industry is Alistair Pullen in?
Alistair Pullen is listed under B2B.
How big is Cosine?
Public data lists Cosine's team size as 12.
What else is notable about Alistair Pullen?
University of California.
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.