# Quiet Capital: portfolio, investments and team

> Quiet Capital is a vc firm based in United States. 283 investments on record, 56 in the last 12 months, latest Oct 2026.

Source: https://millionrounds.com/fund/quiet-capital (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Quiet Capital

Last cheque observed Oct 2026; 283 cheques on record.

Email

Deploying now New fund $378M, Oct 2026 VC firm

Pre-seed Seed Series A Connected Health Wellness Health

Follow Quiet Capital and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fquiet-capital)

Deploying now

**90%** of best year **56** **cheques in 12 months**, 283 on record

Since the last cheque **10** days **00** hrs **00** min **00** sec

Median round **$17M** Cheque size, as they say **$500K – $35M** Rounds led **4 of 283** Sole investor **9 rounds** Mostly in **United States, 83%**

Pitch Quiet Capital

## Quiet Capital highlights

- 01 56 cheques in the last 12 months
- 02 Mostly Venture and Seed: 57% of its rounds
- 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-seed Seed Series A Series B Growth
- **Sectors:** Connected Health Wellness Health
- **Based in:** San Francisco, United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **283 appearances**

- **2026** 46 rounds
- **Oct** **[Mach9](https://millionrounds.com/company/mach9)** Series A · US · Wowtale **$34M** With 3 others
- **Oct** **[Homa](https://millionrounds.com/company/homa)** Seed · US · The SaaS News **$5.0M** *Led*
- **Sept** **[Biossil](https://millionrounds.com/company/biossil)** Series B · CA · BetaKit **$153M** With 7 others
- **Sept** **[Quartermaster](https://millionrounds.com/company/quartermaster)** Series B · US · Tech Funding News **$140M** With 8 others
- **Sept** **[Thatch](https://millionrounds.com/company/thatch)** Series C · US · TechCrunch **$108M** With 5 others
- **Sept** **[BuyWander](https://millionrounds.com/company/buywander)** Series A · US **$21M** With 2 others
- **Sept** **[Within](https://millionrounds.com/company/within)** Venture · US **$70M** With 4 others
- **Sept** **[Polyphron](https://millionrounds.com/company/polyphron)** Seed · US · AlleyWatch **$20M** With 4 others
- **Sept** **[A Vinyl Bar in Shibuya](https://millionrounds.com/company/a-vinyl-bar-in-shibuya)** Pre-seed · US **$5.5M** With 4 others
- **Aug** **[Blank Street](https://millionrounds.com/company/blank-street)** Series C · US · AlleyWatch **$75M** With 7 others
- **Aug** **[Rundoo](https://millionrounds.com/company/rundoo)** Series B · US · TechStartups **$30M** With 5 others
- **Aug** **[Fazz](https://millionrounds.com/company/fazz)** Venture · SG **$13M** With 4 others
- **Jul** **[Verkada](https://millionrounds.com/company/verkada)** Venture · US **$20M** With 4 others
- **Jul** **[Intropy AI](https://millionrounds.com/company/intropy-ai)** Seed · GB **$11M** With 2 others
- **Jun** **[Assort Health](https://millionrounds.com/company/assort-health)** Series C · US · Menlo Ventures **$120M** With 7 others
- **Jun** **[Standard Bots](https://millionrounds.com/company/standard-bots)** Series C · US · TechStartups **$200M** With 7 others
- **Jun** **[Suno](https://millionrounds.com/company/suno)** Series D · US · TechCrunch **$400M** With 9 others
- **Jun** **[NewLimit](https://millionrounds.com/company/newlimit)** Series C · US · Ventureburn **$435M** With 6 others
- **Jun** **[Space Forge](https://millionrounds.com/company/space-forge)** Grant · GB **$13M** With 4 others
- **Jun** **[Rapalogix Health](https://millionrounds.com/company/rapalogix-health)** Series A · US **$20M** Sole investor
- **May** **[Checkstep](https://millionrounds.com/company/checkstep)** Seed · GB · Look AI Ventures **$4.0M** With 5 others
- **May** **[Commure](https://millionrounds.com/company/commure)** Growth · US · Ventureburn **$70M** With 5 others
- **May** **[Quartermaster](https://millionrounds.com/company/quartermaster)** Series A · US · TechCrunch **$43M** *Led*
- **May** **[Momentus](https://millionrounds.com/company/momentus)** US **$25M** With 3 others
- **May** **[Nothing](https://millionrounds.com/company/nothing)** Venture · GB **Undisclosed** With 4 others
- **May** **[Decart](https://millionrounds.com/company/decart)** Venture · US **$300M** With 4 others
- **Apr** **[Manifest OS](https://millionrounds.com/company/manifest-os)** Series A · US · TechStartups **$60M** With 3 others
- **Apr** **[Omni](https://millionrounds.com/company/omni)** Series C · US · Ventureburn **$120M** With 6 others
- **Apr** **[Merlin Labs](https://millionrounds.com/company/merlin-labs)** US **$80M** With 4 others
- **Apr** **[Petual](https://millionrounds.com/company/petual)** Seed · US **$20M** With 4 others
- **Apr** **[Yumi](https://millionrounds.com/company/yumi)** Venture · US **Undisclosed** With 2 others
- **Mar** **[Science Corp](https://millionrounds.com/company/science-corp)** Series C · US · Crunchbase News **$230M** With 5 others
- **Mar** **[Greeter](https://millionrounds.com/company/greeter)** Venture · US **$7.8M** With 1 other
- **Mar** **[Portside](https://millionrounds.com/company/portside)** Venture · US **Undisclosed** With 4 others
- **Mar** **[TransFi](https://millionrounds.com/company/transfi)** Series A · US **$14M** With 4 others
- **Mar** **[ImmuneBridge](https://millionrounds.com/company/immunebridge)** Seed · US **$7.7M** With 4 others
- **Feb** **[Taalas](https://millionrounds.com/company/taalas)** Series B · CA · TechStartups **$169M** *Led*
- **Feb** **[TRM Labs](https://millionrounds.com/company/trm-labs)** Series C · US · TechStartups **$70M** With 10 others
- **Feb** **[Standard Bots](https://millionrounds.com/company/standard-bots)** Venture · US **Undisclosed** With 4 others
- **Feb** **[Loyal](https://millionrounds.com/company/loyal)** Series C · US **$100M** With 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 registration **7 named**

BF **Benjamin Fereidoon Mahdavi** Managing Member of the General Partner of the General Partner's Managing Member. i Filing they signed

CM **Christopher Michael Capozzi** Chief Financial Officer i Form ADV

GG **Griffin Gates Howard** Head of Capital i Form ADV

KD **Kabir Dev Masson** Chief Compliance Officer & General Counsel i Form ADV

LC **Lee Charles Linden** Managing Member of the General Partner of the General Partner's Managing Member. i Filing they signed

MH **Matt Humphrey** Managing Member of the General Partner of the General Partner's Managing Member. i Filing they signed

MZ **Matthew Zeller Humphrey** Managing Member of the General Partner i Filing 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

**$5.4B** assets it manages Oct 2026

**Registered** investment adviser full 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 **35** Venture **25**

- Quiet Venture II, L.P. *Venture* 256 investors $541M
- Quiet Venture I, L.P. *Venture* 75 investors $449M
- Quiet Venture III, L.P. *Venture* 98 investors $208M
- Quiet Growth I, L.P. *Venture* 69 investors $89M
- Quiet Select Fund I, L.P. *Venture* 33 investors $70M
- Tacit Capital Fund, L.P. - Series R1 *Private equity* 54 investors $60M
- Quiet SPV R7, L.P. *Venture* 23 investors $51M
- Quiet SPV R9, L.P. *Venture* 26 investors $51M
- Quiet Expansion II, L.P. *Venture* 5 investors $44M
- Quiet SPV R6, L.P. *Venture* 120 investors $42M

And 50 more on the filing.

New fund on file

**$378M**

raised in Oct 2026

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Pre-seed Seed Series A

Median round joined **$17M** the round, not its cheque Alone, median **$5.1M**

Led 4 of 283 rounds **1%**

- **Said size:** $500K – $35M
- **Sole investor:** 9 rounds
- **Last cheque:** Oct 2026

Rounds by stage said on their site

- Venture *72*
- Seed said *64*
- Series A said *46*
- Series B said *32*
- Series C *25*
- Pre-seed said *-*
- Growth said *-*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Y Combinator](https://millionrounds.com/fund/y-combinator) 44
- [Gaingels](https://millionrounds.com/fund/gaingels) 27
- [General Catalyst](https://millionrounds.com/fund/general-catalyst) 25
- [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) 24
- [SV Angel](https://millionrounds.com/fund/sv-angel) 23
- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) 22

**Pitching Quiet Capital?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## 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.

[**Y Combinator** Accelerator **44** rounds together](https://millionrounds.com/fund/y-combinator)[**Gaingels** Private equity **27** rounds together](https://millionrounds.com/fund/gaingels)[**General Catalyst** VC firm **25** rounds together](https://millionrounds.com/fund/general-catalyst)[**Alumni Ventures** VC firm **24** rounds together](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)[**SV Angel** VC firm **23** rounds together](https://millionrounds.com/fund/sv-angel)[**Andreessen Horowitz** VC firm **22** rounds together](https://millionrounds.com/fund/andreessen-horowitz)[**BoxGroup** VC firm **22** rounds together](https://millionrounds.com/fund/boxgroup)[**Founders Fund** VC firm **22** rounds together](https://millionrounds.com/fund/founders-fund)[**First Round Capital** VC firm **18** rounds together](https://millionrounds.com/fund/first-round-capital)[**Tiger Global Management** VC firm **17** rounds together](https://millionrounds.com/fund/tiger-global-management)[**Sequoia Capital** VC firm **15** rounds together](https://millionrounds.com/fund/sequoia-capital)[**Liquid 2 Ventures** VC firm **14** rounds together](https://millionrounds.com/fund/liquid-2-ventures)

## Recently backed

The latest companies Quiet Capital put money into.

[**Mach9** $34M · Oct 2026](https://millionrounds.com/company/mach9)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)[**Biossil** $153M · Sept 2026](https://millionrounds.com/company/biossil)[**Quartermaster** $140M · Sept 2026](https://millionrounds.com/company/quartermaster)[**Thatch** $108M · Sept 2026](https://millionrounds.com/company/thatch)[**BuyWander** $21M · Sept 2026](https://millionrounds.com/company/buywander)

## Mentioned on podcasts

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

- [Uncapped](https://millionrounds.com/podcasts/uncapped) 1 Sept 2026 · 1h 3m Uncapped #56 | Brian Singerman from GPx With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Lee Linden](https://millionrounds.com/fund/lee-linden)[Peter Thiel](https://millionrounds.com/fund/peter-thiel) *+1* Apple PodcastsShow page
- [The Peel](https://millionrounds.com/podcasts/the-peel) 20 Sept 2023 · 54 min Growing Deel to $300M+ ARR in Four Years with Co-founder and CEO Alex Bouaziz Mentions [Alex Bouaziz](https://millionrounds.com/fund/alex-bouaziz)[Alexis Ohanian](https://millionrounds.com/fund/alexis-ohanian)[Coatue](https://millionrounds.com/fund/coatue-management) *+11* Apple PodcastsShow page
- [The Peel](https://millionrounds.com/podcasts/the-peel) 24 Aug 2023 · 1h 12m Modern Treasury: How to Move Quadrillions of Dollars, with Co-founder and CEO Dimitri Dadiomov Mentions [Altimeter](https://millionrounds.com/fund/altimeter-capital)[Edward Lando](https://millionrounds.com/fund/edward-lando)[Quiet Capital](https://millionrounds.com/fund/quiet-capital) *+3* Apple PodcastsShow page
- [Latitud Podcast](https://millionrounds.com/podcasts/latitud) 22 Mar 2022 · 47 min #85 - Building from first principles: Francisco Larraín, Topsort Mentions [Quiet Capital](https://millionrounds.com/fund/quiet-capital) Apple Podcasts

## 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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