William McNabb
William McNabb is an Angel Investor based in Philadelphia, United States.
Former Vanguard CEO and Chairman; advisor at Venrock and Permira; angel investor in fintech and wealth management startups including Altruist and Vanilla.
- Headquarters
- Philadelphia, United States
- Portfolio Company
- 1
- Total Investment
- 1
- Last Investment
- Dec 2025
- Geographic Focus
- United States
Example request
curl "https://indexed.vc/api/v1/investors/william-mcnabb?depth=slim" -H "X-API-Key: YOUR_API_KEY"Indexed holds 1 portfolio company and 1 funding round for this investor. The full record is or through the API.
Investment Thesis
It has made 1 investment. Its portfolio includes Finny. Focus areas include Asset Management and Fintech.
Portfolio1
Co-investors7
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7 co-investors across 7 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×6 · Accelerator ×1 · 5 shared rounds
Investment History
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<a href="https://indexed.vc/investors/william-mcnabb"><img src="https://indexed.vc/api/badge/investor/william-mcnabb" alt="William McNabb on Indexed.vc" width="260" height="76" /></a>