Cinder, slowly,
becomes a grove.

Letter from the partners

We are a small house of investors who believe the most enduring companies grow at the speed of trust — not the pace of a fund cycle. We write fewer cheques, read every founder letter ourselves, and measure our work in decades rather than quarters.

§ I — The Index

Ten companies, one long table.

01
Ember AI
AI workflow tools for knowledge teams.
AI
Seed
02
Harbor Health
Digital primary care for modern families.
Consumer
Series A
03
Cedar Labs
Climate software for industrial decarbonization.
Climate
Seed
04
Halo Commerce
Ecommerce infrastructure for independent brands.
Infrastructure
Series A
05
Northstar Robotics
Automation systems for warehouses and ports.
Infrastructure
Series B
06
VantaFlow
Fintech APIs for cross-border treasury.
Fintech
Seed
07
Loomwise
Voice-first agents for field service teams.
AI
Pre-seed
08
Sable Studio
A creative OS for boutique brand studios.
Consumer
Seed
09
Tidewater Grid
Software for distributed energy operators.
Climate
Series A
10
Syntara
Operating System for Synthetic Reality.
AI
Seed
§ II — Marginalia
They were the first investors who asked what kind of company we wanted to build — before asking what kind of return they'd see. They are still asking, six years on.
— Amara Okafor, founder, Ember AI
§ III — On the work

What we believe, said plainly.

Patience is undervalued. The interesting companies of the next twenty years will be built by founders who refuse to confuse motion with progress. We try to be a steady presence in their lives — not the loudest voice, but a reliable one.

We invest in fewer than five companies a year. We lead or co-lead at the earliest rounds, and we hold for as long as the founder is still building. Concentration is not a slogan; it is the only honest way to do this work at our size.

Taste matters. Most of what passes for a thesis is just pattern recognition with a press release. We prefer to read deeply, travel slowly, and pay attention to the small things — packaging, hiring, the cadence of a founder's weekly update.

The journal is real. Every quarter we publish a small printed edition of essays, interviews, and field notes — sent to founders, LPs, and a few hundred friends of the house. It is how we think, and how we stay honest.

§ V — Colophon

If you are quietly building something that takes ten years to understand,
write to us.

There is no form. No partner inbox. Send a letter — a paragraph or twenty pages, your call — and one of the four of us will read it within the week. We promise a reply, even if it is no.

Send a letter →
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