Diligence memo · auto-generated · as of July 2, 2026
Rhythm Diagnostic Systems, Inc.
Rhythm Diagnostic Systems, Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Rhythm Diagnostic Systems, Inc. operates in Other Technology, based in SAN FRANCISCO.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Rhythm Diagnostic Systems, Inc. has raised $7.8M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series A (a $4.0M–$15M round).
Largest single filing: $4.6M on 2015-12-21.
Most recent recorded round closed around 2015-12-21.
Valuation (modeled)modeled
Provath models Rhythm Diagnostic Systems, Inc. at approximately $129M (range $6.2M–$700M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 0.84× the median modeled value of Series A Other Technology companies in 2013–2015 (789 peers) — value vs value, same stage and era. Within the normal band (84% of peer median) for its niche.
Financing rhythm & timingmixed
Last raise 10.5 yr ago; this sector typically re-raises about every 13 months.
Silent for over 3× the sector's normal cadence.
The last round was 1.5× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 68% of Other Technology peers (21302 compared).
Modeled value ranks above 76% of those peers.
Closest niche peers: Uni-Pixel, FoundationDB, Inc., Liaison Technologies, Inc., iDevices, LLC, Zafin Global Holdings Corp..
Peoplefiled
5 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.