Willett Advisors LLC

Venture Capital

Willett Advisors LLC is a Venture Capital firm based in New York, United States.

Michael Bloomberg's single-family office managing personal and philanthropic assets across public markets, private equity, hedge funds, real assets, and direct investments.

Headquarters
New York, United States
Founded
2010
AUM
$25.0B
Portfolio Company
1
Total Investment
1
Last Investment
Nov 2025
Geographic Focus
Global
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Indexed holds 1 portfolio company and 1 funding round for this investor. The full record is or through the API.

Investment Thesis

Seeks long-term capital appreciation through a diversified portfolio spanning public equities, hedge funds, private equity and credit, and real assets.

It was founded in 2010. It has made 1 investment. Its portfolio includes AAVantgarde Bio.

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 ×5 · Private Equity ×1 · Other ×1 · 6 shared rounds

Investment History

Data from Indexed.vcUpdated

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Willett Advisors LLC on Indexed.vc
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