Quiet Capital is a San Francisco-based venture capital firm that invests in remarkable founders from day zero across sectors including AI, consumer, crypto, deeptech, enterprise, fintech, and healthcare. The firm maintains a low profile while backing early-stage technology companies.
Deal activity increased 80% year-over-year (9 deals in the last 12 months). Average disclosed round size is $38.5M (across 140 rounds with reported amounts).
Portfolio
124
Fund Size
$378.0M
Top Stage
Seed
Last 12 Mo
9
Team
DG
David Greenbaum
Partner
GH
Griffin Howard
Partner
MB
Michael Bloch
Partner
PM
Phuong M.
Partner
CS
Christopher Schilling
Principal
WC
William Chmelar
Principal
BM
Ben Mahdavi
Investor
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
158 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Quartermaster | Series A | $43M | May 2026 |
 Manifest OS | Series A | $60M | Apr 2026 |
 Science | Series C | $230M | Mar 2026 |
 Newlimit | Series C | $435M | Jan 2026 |
| Quartermaster | Series A | $43M | Jan 2026 |
| SSuno Ai | Series D | $400M | Jan 2026 |
 Assort Health | Series C | — | Jan 2026 |
 Kilocode | Seed | $8M | Dec 2025 |
 Kilo | Seed | $8M | Dec 2025 |
 Nava | Series C | — | Oct 2025 |
| Assort Health | Series B | $76M | Sep 2025 |
 Arch | Series B | — | Sep 2025 |
 Orchard Robotics | Series A | $22M | Sep 2025 |
 Openlayer | Series A | $14.5M | May 2025 |
 Rescale | Series D | — | Apr 2025 |
 Sanas | Series B | $65M | Feb 2025 |
 Cenoa | Seed | $7M | Jan 2025 |
 Arch | Series B | $52M | Jan 2025 |
| SSanas.ai | Series B | $65M | Jan 2025 |
 The Bot Company | Series A | $150M | Jan 2025 |
| Assort Health | Series B | $76M | Jan 2025 |
| Assort Health | Series A | $22M | Jan 2025 |
 EON | Series B | $127M | Oct 2024 |
 11x | Series A | $24M | Sep 2024 |
 W Labs Inc. | Series A | $14M | Jul 2024 |
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Top Co-Investors
Y Combinator22 shared
First Round Capital17 shared
Menlo Ventures13 shared
General Catalyst11 shared
FJ Labs10 shared
Pareto Holdings10 shared
Human Ventures9 shared
GV9 shared
Craft Ventures9 shared
Founders Fund8 shared
Tiger Global Management, LLC7 shared
Lightspeed Venture Partners7 shared
Index Ventures7 shared
SV Angel7 shared
Sequoia Capital6 shared
GG16 shared
8VC6 shared
MaC Venture Capital6 shared
Khosla Ventures6 shared
Liquid 2 Ventures5 shared
Last updated: 7 October 2026