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

Advanced Tear Diagnostics, LLC

Advanced Tear Diagnostics, LLC 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

Advanced Tear Diagnostics, LLC operates in Biotechnology, based in BIRMINGHAM.

Sub-sector tags: medical-devices.

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

Capital & rounds (filed)filed

Advanced Tear Diagnostics, LLC has raised $1.8M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Seed (a $1.0M–$4.0M round).

Largest single filing: $1.4M on 2014-01-27.

Most recent recorded round closed around 2014-01-27.

Valuation (modeled)modeled

Provath models Advanced Tear Diagnostics, LLC at approximately $63M (range $1.0M–$494M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 0.94× the median modeled value of Seed Biotechnology companies in 2013–2015 (122 peers) — value vs value, same stage and era. Within the normal band (94% of peer median) for its niche.

Financing rhythm & timingmixed

Historic cadence: a new round about every 22 months.

Last raise 12.4 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 3.7× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 26% of Biotechnology peers (4293 compared).

Modeled value ranks above 50% of those peers.

Closest niche peers: Harpoon Medical, Inc., Admittance Technologies, Inc., Bell Biosystems, Inc., Nexstim Plc, Iontera, Inc..

Peoplefiled

6 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.