Diligence memo · auto-generated · as of July 3, 2026

Rio Grande Neurosciences, Inc.

Rio Grande Neurosciences, Inc. looks under-valued 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

Rio Grande Neurosciences, Inc. operates in Other Health Care, based in SAN FRANCISCO.

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

Capital & rounds (filed)filed

Rio Grande Neurosciences, Inc. has raised $8.9M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Seed (a $1.0M–$4.0M round).

Largest single filing: $3.7M on 2015-12-23.

Most recent recorded round closed around 2016-01-08.

Valuation (modeled)modeled

Provath models Rio Grande Neurosciences, Inc. at approximately $21M (range $701K–$161M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Under-valued. Modeled value is 0.46× the median modeled value of Seed Other Health Care companies in 2016–2018 (222 peers) — value vs value, same stage and era.

Financing rhythm & timingmixed

Historic cadence: a new round about every 4 months.

Last raise 10.5 yr ago; this sector typically re-raises about every 14 months.

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

The last round was 4.5× smaller than the prior — a bridge or down round.

Comparablesmixed

Capital scale ranks ahead of 74% of Other Health Care peers (5377 compared).

Modeled value ranks above 49% of those peers.

Closest niche peers: Eye Academy of America Ltd., Ruddco Inc., Guest House Holdings, LLC, Cb Therapeutics Inc., Shift Sciences, LLC.

Peoplefiled

10 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.