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Infinity Bio

Baltimore, MD · Founded 2023 · Privately Held (backing)

Operator of an antibody profiling company intended to accelerate various discoveries. Infinity Bio is based in Baltimore, MD and was founded in 2023. It was valued at $32 million at its early-stage round in Oct 2025, the last priced event on record. It has raised $12.5 million across 3 recorded rounds; the latest was a $5 million early-stage round in Jun 2025.

PMV mark · valuation
$32.0M
Oct 2026
Priced at
its early-stage round
Oct 2025
Total raised
$12.5M
Last round
Early Stage VC
Jun 2025

Infinity Bio key facts

as of Oct 2026
  • Operator of an antibody profiling company intended to accelerate various discoveries.
  • Infinity Bio is valued at approximately $32.0M as of Oct 2026, set at its early-stage round, Oct 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $12.5M across 3 recorded rounds; the latest was Early Stage VC ($5.0M) in Jun 2025.
  • Notable investors include TEDCO, Illumina Ventures, Blackbird BioVentures, Blackbird Ventures (US), Johns Hopkins Technology Ventures — 7 tracked in total.
  • Infinity Bio has filed 4 Form Ds with the SEC since 2023, most recently Aug 2025 ($5.0M sold to 1 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$32.0M

Valued at $32.0M at its early-stage round, Oct 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Infinity Bio funding rounds

3 rounds
Jun 2025Early Stage VC$5.0MSEC filing▮
Feb 2025Debt$2.0MSEC filing▮
Jun 2023Seed Round$4.5MSEC filing▮
Full funding history →

Infinity Bio valuation

Infinity Bio was valued at $32 million at its early-stage round in Oct 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Infinity Bio raised?

Infinity Bio has raised $12.5 million across 3 recorded rounds since 2023. The largest was a $5 million early-stage round in Jun 2025.

Infinity Bio has filed 4 Form Ds with the SEC since 2023, most recently in Aug 2025 ($5 million sold to 1 investor).

Infinity Bio investors

7 investors are on record for Infinity Bio, including TEDCO, Illumina Ventures, Blackbird BioVentures and Blackbird Ventures (US). The early-stage round in Jun 2025 drew 1 investor.

About Infinity Bio

Operator of an antibody profiling company intended to accelerate various discoveries. The company's platform utilizes libraries of proteins and peptides and a novel self-assembling system to comprehensively analyze an individual's antibody response, enabling researchers to understand the immune status of individuals or groups and identify immune-related patterns.

Sector
Healthcare
HQ
Baltimore, MD, United States
Founded
2023
Employees
23
Ownership
Privately Held (backing)

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