Diligence memo · auto-generated · as of July 2, 2026
Particle Dynamics Holdings, Inc.
Particle Dynamics Holdings, Inc. looks over-valued against its niche peers and is active on financing cadence.
Businessfiled
Particle Dynamics Holdings, Inc. operates in Other Health Care, based in CHESTERFIELD.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Particle Dynamics Holdings, Inc. has raised $31M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $31M on 2025-09-09.
Most recent recorded round closed around 2025-09-09.
Valuation (modeled)modeled
Provath models Particle Dynamics Holdings, Inc. at approximately $141M (range $73M–$200M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Over-valued. Modeled value is 1.53× the median modeled value of Series B Other Health Care companies in 2025–2027 (48 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Last raise 10 mo ago; this sector typically re-raises about every 14 months.
Raising on or ahead of the sector's normal rhythm.
Comparablesmixed
Capital scale ranks ahead of 89% of Other Health Care peers (5377 compared).
Modeled value ranks above 84% of those peers.
Closest niche peers: Imagine Pediatrics Holdings LLC, Porter Cares, Inc., True Medicine Inc., CranioVation, Inc., Seriously Clean LTD..
Peoplefiled
6 named people on file across officers, directors and signatories.
Risks & flagsmixed
Modeled above niche peers — valuation risk on entry.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.