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MUUS Asset Management

Venture Capital

MUUS Asset Management is a Venture Capital firm based in New York, United States.

MUUS Asset Management is the family investment office of TIGER 21 founder Michael Sonnenfeldt, investing across public equities, alternative funds, real estate, commodities, and debt. Its affiliate, MUUS Climate Partners, backs early-stage climate-focused startups and has closed a $50 million venture fund.

Climate Tech
Headquarters
New York, United States
Founded
1998
Website
muus.com
AUM
$50.0M
Portfolio Company
1
Total Investments
2
Last Investment
Feb 2026
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Indexed holds 1 portfolio company and 2 funding rounds for this investor. The full record is or through the API.

Investment Thesis

We leverage our network and resources to invest in mission-aligned opportunities that deliver superior, risk-adjusted returns.

It was founded in 1998. It has made 2 investments. Its portfolio includes Sensera. Focus areas include Climate Tech.

Portfolio1

Co-investors2

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2 co-investors across 2 shared portfolio companies — who they back alongside, and how often they lead.

Private Equity ×1 · Venture Capital ×1 · 3 shared rounds

Investment History

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MUUS Asset Management on Indexed.vc
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