Diligence memo · auto-generated · as of July 2, 2026
Patriot Coal CORP
Patriot Coal CORP has raised $281M over 2 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Patriot Coal CORP operates in Coal Mining, based in ST. LOUIS.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Patriot Coal CORP has raised $281M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).
Largest single filing: $263M on 2013-12-10.
Most recent recorded round closed around 2014-03-11.
Valuation (modeled)modeled
Provath models Patriot Coal CORP at approximately $80M (range $101M–$176M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 3 months.
Last raise 12.3 yr ago; this sector typically re-raises about every 11 months.
Silent for over 3× the sector's normal cadence.
The last round was 14.1× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 95% of Coal Mining peers (76 compared).
Modeled value ranks above 78% of those peers.
Closest niche peers: Coronado Coal II LLC, Coronado II, LLC.
Peoplefiled
11 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.