DFX Intelligence
Venture Capital Intelligence
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Firms / M••• A•••• M••••••••• C• L••
M••• A•••• M••••••••• C• L••
MUUS is the home of the investment, philanthropic, and creative endeavors of Tiger 21 founder Michael Sonnenfeldt. We invest in a bolder, more sustainable future..
venture manager, reported GAV $51M across 1 vehicles
Importance
14
low
Active deployment
0
low
Emerging
67
high
Completeness
63
high
Freshness
98
high
Research priority
20
moderate
Identity and regulatory footprint
- Headquarters
- New York, NYadviserinfo.sec.gov
- Office address
- 1995 BROADWAY, 17TH FLOOR, New York, NY, 10023adviserinfo.sec.gov
- Business phone
- 212-362-0500adviserinfo.sec.gov
- Website
- m•••.com
- SEC adviser type
- exempt reporting adviseradviserinfo.sec.gov
- SEC exemption claimed
- venture capital fund adviseradviserinfo.sec.govItem 2.B(1): advises solely venture capital funds
- Latest Form ADV
- Dec 2, 2024
- Private funds reported
- 1 (1 venture capital funds)adviserinfo.sec.gov
- Private fund gross assets
- $51.1Madviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
- Owners on Schedule A
- M•• 2••• D••••••••• T•••• (Owner), E; J••• M••••• T•••• C•••••• o• D••••••• (Trustee), F
- business email
- info@muus.commuus.compublished by the subject
- business phone
- 212-362-0500adviserinfo.sec.govpublished by the subject
Stated thesis versus observed behaviour
no observed deals yet
Stated (the firm’s website)
- Sectors
- climate, logistics, media
- Stages
- series a
- Geography
- not stated
- Check size
- not stated; DFX does not estimate checks from round sizes
- Self-described
- family office
Observed (from deals on record)
Stage at participation: no observed deals yet
Stage at first entry: no observed deals yet
Sectors: no observed deals yet
lead rate n/afollow-on rate n/anew logos, 12 months 0
Funds and vehicles
1 reported
| Vehicle | Type | Vintage | Lifecycle | Reported GAV | Owners | Form D sold | Latest Form D |
|---|---|---|---|---|---|---|---|
| M••• C••••••••• F••• I• L• | Fund | unknown | Unknown | $51.1M Dec 2, 2024 | 58 | $0 of $50.0M | May 24, 2022 |
GAV is the gross asset value the adviser reported on Form ADV for the vehicle, never the fund’s committed size and never dry powder. Form D sold is the amount sold as of the latest filing, never a final close.
Investment team
18 current, 2 departed
I•••• S•••••••••
AssociateASSOCIATE
F••••• G•••••• S•••••••••
Board or advisoryTrustee · since Dec 1, 2020
J••• C••••• S•••••••••
Board or advisoryTrustee · since Dec 1, 2020
K•••• B••••• G••••••
Board or advisoryTrustee · since Dec 1, 2020
M••• B••• B••••••••
Board or advisoryPHILANTHROPIC ADVISOR
M•••••• W• S•••••••••
Founder or executiveFOUNDER AND CHAIRMAN
M•••••• W•••••• S•••••••••
Managing partnerChairman; Managing Partner · since Feb 1, 1989
A••• M•••••
PartnerINVESTMENT COMMITTEE MEMBER
C•••• W••••
PartnerCHIEF INVESTMENT OFFICER
D•••••••• P•••••
PartnerADMINISTRATIVE MANAGER
K••••• P••••
PartnerPORTFOLIO MANAGER, VENTURE
P•••• J•••••
PartnerINVESTMENT COMMITTEE MEMBER
R••• I•••••
PartnerINVESTMENT COMMITTEE MEMBER
K••••••• M••• D•••••••
Platform and operationsChief Administrative Officer · since Feb 1, 1989
T••• B••••
Platform and operationsHEAD OF PLATFORM
W•••• E•••• G•••••••••
Platform and operationsChief Financial Officer · since Nov 1, 2022
W•••• G•••••••••
Platform and operationsCHIEF FINANCIAL OFFICER
K••••••• D•••••••
Vice presidentVICE PRESIDENT
2 departed (kept with end dates)
- L•••• M•••••• G•••••• · Trustee · Apr 1, 2009 to Dec 2, 2024 Inference
- P•••• a• J••••• · Trustee · Apr 1, 2009 to Dec 2, 2024 Inference
Investments on record
0 edges, 0 companies, 0 partner-attributed
No investment on record yet. Edges arrive from the firm’s portfolio page, financing announcements, and Form D board seats.
Co-investors
0 relationships from shared deals, counted for the whole firm
No co-investor relationship yet: these are derived only from rounds and portfolio listings the graph has seen both investors on.
Limited partners
0 disclosed
No LP commitment on record. An LP edge needs a public disclosure with a quote: a pension report (see Limited partners for the plans read), a fund announcement naming the LP, or a Form ADV owner. The fund page carries the LP’s reported performance.
Timeline
4 dated events
- Dec 2, 2024P•••• a• J••••• (Trustee) no longer on Schedule A of M••• A•••• M••••••••• C• L••
- Dec 2, 2024L•••• M•••••• G•••••• (Trustee) no longer on Schedule A of M••• A•••• M••••••••• C• L••
- Feb 8, 2024M••• A•••• M••••••••• C• L•• first filed Form ADV (ERA, venture capital fund adviser exemption)First SEC adviser filingOrganizationFactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
- Feb 8, 2024M••• C••••••••• F••• I• L• first reported on Form ADV by M••• A•••• M••••••••• C• L•• (Venture Capital Fund), GAV $13,073,703Fund first reported on Form ADVFundsFactM••• C••••••••• F••• I• L•SEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Classification history
- Sep 12, 2026Institutional venture firm (confirmed, 95%, cls-1)venture manager, reported GAV $51M across 1 vehicles
Evidence
28 observations from 2 sources