Diligence memo · auto-generated · as of July 2, 2026
Nanostellar Inc
Nanostellar Inc looks over-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Nanostellar Inc operates in Environmental Services, based in REDWOOD CITY.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Nanostellar Inc has raised $2.4M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Seed (a $1.0M–$4.0M round).
Largest single filing: $2.4M on 2009-03-25.
Most recent recorded round closed around 2009-03-25.
Valuation (modeled)modeled
Provath models Nanostellar Inc at approximately $65M (range $2.0M–$507M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Over-valued. Modeled value is 1.57× the median modeled value of Seed Environmental Services companies in 2007–2009 (5 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Last raise 17.3 yr ago; this sector typically re-raises about every 11 months.
Only one round on record and long silent — often defunct, acquired, or gone quiet.
Comparablesmixed
Capital scale ranks ahead of 51% of Environmental Services peers (242 compared).
Modeled value ranks above 72% of those peers.
Closest niche peers: Eco2 Plastics Inc, Verdeo Group Inc, Renewable Fibers, LLC, Green Processing Technologies, Inc..
Peoplefiled
1 named person on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
Modeled above niche peers — valuation risk on entry.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.