United States · Investor

Quiet Capital

Last cheque observed Oct 2026; 283 cheques on record.

Deploying nowNew fund $378M, Oct 2026VC firm

Pre-seedSeedSeries AConnected HealthWellnessHealth

Deploying now
90%of best year56cheques in 12 months, 283 on record
Since the last cheque10days00hrs00min00sec
Median round$17MCheque size, as they say$500K – $35MRounds led4 of 283Sole investor9 roundsMostly inUnited States, 83%
Pitch Quiet Capital

Quiet Capital highlights

  1. 01

    56 cheques in the last 12 months

  2. 02

    Mostly Venture and Seed: 57% of its rounds

  3. 03

    Sole investor in 9 rounds, median $5.1M

What they do

We are builders who invest in remarkable founders from day zero.From their own website
Type
VC firm (from a list, unverified)
Cheque size
$500K – $35M as they say
Stages
Pre-seedSeedSeries ASeries BGrowth
Sectors
Connected HealthWellnessHealth
Based in
San Francisco, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first283 appearances

  1. 2026

    46 rounds

  2. Oct
    Mach9Series A · US · Wowtale$34MWith 3 others
  3. Oct
    HomaSeed · US · The SaaS News$5.0MLed
  4. Sept
    BiossilSeries B · CA · BetaKit$153MWith 7 others
  5. Sept
    QuartermasterSeries B · US · Tech Funding News$140MWith 8 others
  6. Sept
    ThatchSeries C · US · TechCrunch$108MWith 5 others
  7. Sept
    BuyWanderSeries A · US$21MWith 2 others
  8. Sept
    WithinVenture · US$70MWith 4 others
  9. Sept
    PolyphronSeed · US · AlleyWatch$20MWith 4 others
  10. Sept
    A Vinyl Bar in ShibuyaPre-seed · US$5.5MWith 4 others
  11. Aug
    Blank StreetSeries C · US · AlleyWatch$75MWith 7 others
  12. Aug
    RundooSeries B · US · TechStartups$30MWith 5 others
  13. Aug
    FazzVenture · SG$13MWith 4 others
  14. Jul
    VerkadaVenture · US$20MWith 4 others
  15. Jul
    Intropy AISeed · GB$11MWith 2 others
  16. Jun
    Assort HealthSeries C · US · Menlo Ventures$120MWith 7 others
  17. Jun
    Standard BotsSeries C · US · TechStartups$200MWith 7 others
  18. Jun
    SunoSeries D · US · TechCrunch$400MWith 9 others
  19. Jun
    NewLimitSeries C · US · Ventureburn$435MWith 6 others
  20. Jun
    Space ForgeGrant · GB$13MWith 4 others
  21. Jun
    Rapalogix HealthSeries A · US$20MSole investor
  22. May
    CheckstepSeed · GB · Look AI Ventures$4.0MWith 5 others
  23. May
    CommureGrowth · US · Ventureburn$70MWith 5 others
  24. May
    QuartermasterSeries A · US · TechCrunch$43MLed
  25. May
    MomentusUS$25MWith 3 others
  26. May
    NothingVenture · GBUndisclosedWith 4 others
  27. May
    DecartVenture · US$300MWith 4 others
  28. Apr
    Manifest OSSeries A · US · TechStartups$60MWith 3 others
  29. Apr
    OmniSeries C · US · Ventureburn$120MWith 6 others
  30. Apr
    Merlin LabsUS$80MWith 4 others
  31. Apr
    PetualSeed · US$20MWith 4 others
  32. Apr
    YumiVenture · USUndisclosedWith 2 others
  33. Mar
    Science CorpSeries C · US · Crunchbase News$230MWith 5 others
  34. Mar
    GreeterVenture · US$7.8MWith 1 other
  35. Mar
    PortsideVenture · USUndisclosedWith 4 others
  36. Mar
    TransFiSeries A · US$14MWith 4 others
  37. Mar
    ImmuneBridgeSeed · US$7.7MWith 4 others
  38. Feb
    TaalasSeries B · CA · TechStartups$169MLed
  39. Feb
    TRM LabsSeries C · US · TechStartups$70MWith 10 others
  40. Feb
    Standard BotsVenture · USUndisclosedWith 4 others
  41. Feb
    LoyalSeries C · US$100MWith 4 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration7 named

BFBenjamin Fereidoon MahdaviManaging Member of the General Partner of the General Partner's Managing Member.iFiling they signed
CMChristopher Michael CapozziChief Financial OfficeriForm ADV
GGGriffin Gates HowardHead of CapitaliForm ADV
KDKabir Dev MassonChief Compliance Officer & General CounseliForm ADV
LCLee Charles LindenManaging Member of the General Partner of the General Partner's Managing Member.iFiling they signed
MHMatt HumphreyManaging Member of the General Partner of the General Partner's Managing Member.iFiling they signed
MZMatthew Zeller HumphreyManaging Member of the General PartneriFiling they signed

We also hold 17 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$5.4Bassets it managesOct 2026
Registeredinvestment adviserfull reporting to the SEC
Legal name
Quiet Capital Management, LLC
SEC number
CRD 287484

Funds on its Form ADV

60 private funds, $1.9B in gross assets · filed Mar 2024

Private equity 35Venture 25

  1. Quiet Venture II, L.P.Venture256 investors$541M
  2. Quiet Venture I, L.P.Venture75 investors$449M
  3. Quiet Venture III, L.P.Venture98 investors$208M
  4. Quiet Growth I, L.P.Venture69 investors$89M
  5. Quiet Select Fund I, L.P.Venture33 investors$70M
  6. Tacit Capital Fund, L.P. - Series R1Private equity54 investors$60M
  7. Quiet SPV R7, L.P.Venture23 investors$51M
  8. Quiet SPV R9, L.P.Venture26 investors$51M
  9. Quiet Expansion II, L.P.Venture5 investors$44M
  10. Quiet SPV R6, L.P.Venture120 investors$42M

And 50 more on the filing.

Who they invest alongside

The investors most often in the same rounds as Quiet Capital. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies Quiet Capital put money into.

Mentioned on podcasts

Episodes that name Quiet Capital in their description, not their title.

Quick answers about Quiet Capital

What does Quiet Capital invest in?

Quiet Capital invests most often at Venture and Seed (57% of the rounds on record), in sectors such as Connected Health, Wellness and Health.

How active is Quiet Capital?

283 investments on record, 56 of them in the last 12 months, and it led 4. The most recent was in Oct 2026.

What has Quiet Capital invested in recently?

Its most recent investments on record: Mach9 (Series A, Oct 2026), Homa (Seed, Oct 2026) and Biossil (Series B, Sept 2026).

How big are Quiet Capital's cheques?

The median round it joins is $17M. It says it writes cheques of $500K to $35M.

Does Quiet Capital lead rounds?

Sometimes: it led 4 of its 283 investments on record (1%).

Where does Quiet Capital invest?

Most of the companies it backs are in the United States (83%), the United Kingdom (10%) and Canada (5%).

Is Quiet Capital investing now?

Yes: it is actively investing, with 56 investments in the last 12 months.

Who does Quiet Capital invest alongside?

Most often Y Combinator (44 rounds together), Gaingels (27 rounds together) and General Catalyst (25 rounds together).

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it