Diligence memo · auto-generated · as of July 2, 2026
SunBorne Energy Holdings, LLC
SunBorne Energy Holdings, LLC looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
SunBorne Energy Holdings, LLC operates in Other Energy, based in CAMBRIDGE.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
SunBorne Energy Holdings, LLC has raised $13M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series A (a $4.0M–$15M round).
Largest single filing: $5.1M on 2009-12-02.
Most recent recorded round closed around 2012-06-08.
Valuation (modeled)modeled
Provath models SunBorne Energy Holdings, LLC at approximately $53M (range $6.5M–$287M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 0.98× the median modeled value of Series A Other Energy companies in 2010–2012 (78 peers) — value vs value, same stage and era. Within the normal band (98% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 15 months.
Last raise 14.1 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 1.6× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 74% of Other Energy peers (2049 compared).
Modeled value ranks above 74% of those peers.
Closest niche peers: Great Plains Sand, LLC, Torqued Up Energy Services Inc, INEOS New Planet Bioenergy LLC, Advanced Energy Industries Inc, A-Power Energy Generation Systems, Ltd..
Peoplefiled
9 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.