/Companies

Limnion

YC F26

Seattle, US · Founded 2026 · 3 employees · 1 known investors

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Limnion develops an open-standards telemetry storage platform for observability at scale, including agentic workflows, built on OpenTelemetry, Parquet, and Iceberg. Its core is Siglake, an open-source project that stores telemetry data without proprietary formats or vendor lock-in.

Data & InfrastructureEnterprise SoftwareOpen SourceInfrastructureDatabasesUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (F26)

TPTodd Persen
Todd PersenFounderHe previously co-founded and served as CEO of Era Software, which was acquired by ServiceNow, and co-founded InfluxData (YC W13), where he was CTO.

Investors · 1

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Frequently asked questions

What does Limnion do?
Limnion develops an open-standards telemetry storage platform for observability at scale, including agentic workflows, built on OpenTelemetry, Parquet, and Iceberg. Its core is Siglake, an open-source project that stores telemetry data without proprietary formats or vendor lock-in.
Who are Limnion's investors?
Limnion's investors include Y Combinator.
Where is Limnion headquartered?
Limnion is headquartered in Seattle, US.