Diligence memo · auto-generated · as of July 2, 2026
Ambra Bioscience LLC
Ambra Bioscience LLC has raised $3.8M over 4 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Ambra Bioscience LLC operates in Biotech, based in San Diego.
Sub-sector tags: biotech.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Ambra Bioscience LLC has raised $3.8M in disclosed capital across 4 recorded rounds, aggregated from public filings. Its latest round is modeled as Seed (a $1.0M–$4.0M round).
Largest single filing: $1.2M on 2015-01-16.
Most recent recorded round closed around 2017-11-16.
Valuation (modeled)modeled
Provath models Ambra Bioscience LLC at approximately $47M (range $756K–$366M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 11 months.
Last raise 8.6 yr ago; this sector typically re-raises about every 11 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 1.1× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 77% of Biotech peers (233 compared).
Modeled value ranks above 82% of those peers.
Closest niche peers: Cen Biotech Inc.
Peoplefiled
4 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.