Diligence memo · auto-generated · as of July 2, 2026

C19 Corp.

C19 Corp. looks fair against its niche peers and is dormant on financing cadence.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

C19 Corp. operates in Biotechnology, based in HAUPPAUGE.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

C19 Corp. has raised $33M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).

Largest single filing: $18M on 2020-08-07.

Most recent recorded round closed around 2020-08-07.

Valuation (modeled)modeled

Provath models C19 Corp. at approximately $685M (range $36M–$2.6B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 1.11× the median modeled value of Series B Biotechnology companies in 2019–2021 (118 peers) — value vs value, same stage and era. Within the normal band (111% of peer median) for its niche.

Financing rhythm & timingmixed

Historic cadence: a new round about every 2 months.

Last raise 5.9 yr ago; this sector typically re-raises about every 14 months.

Silent for over 3× the sector's normal cadence.

The last round stepped up 1.7× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 76% of Biotechnology peers (4293 compared).

Modeled value ranks above 86% of those peers.

Closest niche peers: Pandion Therapeutics Holdco LLC, Ocular Therapeutix, Inc, Insilico Medicine Cayman TopCo, Purigen Biosystems, Inc., Lucira Health, 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.