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14,448 startups · 29 programs

Limnion

Active · Telemetry storage for the agentic era.

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 7
  • went through YCProgram · this site+4
  • team of 3Team size · YC's directory+3.1

A sum of public facts, not a judgement and not investment advice.

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Founders

  • Todd PersenFounder

About Limnion

Limnion is building an open-standards telemetry storage platform for observability at scale, including agentic workflows. Siglake is the open-source project that sits at the heart of it, designed around OTel, Parquet, and Iceberg. No proprietary storage, no vendor lock-in.

YC batch
F26 · Fall 2026
Status, per YC
Active
Category
AI, Data, Developer tools
Team size
3
Location
Seattle, WA, USA; Remote
Founded
2026
Checked
6h ago

YC tags: Open Source, Infrastructure, Databases

Changes seen

Joined a programNov 2, 2026

Joined Y Combinator's Fall 2026 batch (F26).

Source ↗

Limnion in F26: 219 companies, 89% AI

LinkedIn

Limnion: questions

Which YC batch was Limnion in?

Limnion was in Y Combinator's Fall 2026 batch (F26).

Is Limnion still active?

Y Combinator lists Limnion as active.

Who founded Limnion?

Limnion's founders, as listed on its YC page: Todd Persen (Founder).

Where is Limnion based?

Limnion lists Seattle, WA, USA; Remote as its location on YC's directory.