Diligence memo · auto-generated · as of July 2, 2026
Nanosphere Health Sciences Inc.
Nanosphere Health Sciences Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Nanosphere Health Sciences Inc. operates in Healthtech, based in GREENWOOD VILLAGE.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Nanosphere Health Sciences Inc. has raised $24M 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: $23M on 2017-11-17.
Most recent recorded round closed around 2017-11-17.
Valuation (modeled)modeled
Provath models Nanosphere Health Sciences Inc. at approximately $580M (range $55M–$2.2B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.10× the median modeled value of Series B Healthtech companies in 2016–2018 (33 peers) — value vs value, same stage and era. Within the normal band (110% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 41 months.
Last raise 8.6 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 63.2× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 83% of Healthtech peers (2138 compared).
Modeled value ranks above 94% of those peers.
Closest niche peers: Altimate Medical Holdings, Inc., Southeast Healthcare Partners II, LLC, NRS Health & Wellness GP LLC, Aspire Health, Inc., Uprising Health LLC.
Peoplefiled
14 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.