Diligence memo · auto-generated · as of July 3, 2026

Dallas Proton Treatment Holdings, LLC

Dallas Proton Treatment Holdings, LLC has raised $354M over 5 rounds; too few niche peers to rank its valuation yet.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

Dallas Proton Treatment Holdings, LLC operates in Hospitals and Physicians, based in SAN DIEGO.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

Dallas Proton Treatment Holdings, LLC has raised $354M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).

Largest single filing: $93M on —.

Most recent recorded round closed around 2012-04-02.

Valuation (modeled)modeled

Provath models Dallas Proton Treatment Holdings, LLC at approximately $1.7B (range $300M–$4.4B). 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 127 months.

Last raise 14.2 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 1.5× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 98% of Hospitals and Physicians peers (599 compared).

Modeled value ranks above 98% of those peers.

Closest niche peers: Acadia Healthcare Holdings, Llc, HMG Holding Corp.

Peoplefiled

4 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.