Diligence memo · auto-generated · as of July 2, 2026

X4 Pharmaceuticals, Inc

X4 Pharmaceuticals, Inc looks over-valued against its niche peers and is active on financing cadence.

SourceRaising on rhythm with a 1.3× step-up on the last round — momentum worth tracking before it's priced in.

Businessfiled

X4 Pharmaceuticals, Inc operates in Biotechnology, based in BOSTON.

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

Capital & rounds (filed)filed

X4 Pharmaceuticals, Inc has raised $320M in disclosed capital across 10 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).

Largest single filing: $85M on 2025-08-13.

Most recent recorded round closed around 2025-08-13.

Valuation (modeled)modeled

Provath models X4 Pharmaceuticals, Inc at approximately $495M (range $263M–$646M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Over-valued. Modeled value is 2.57× the median modeled value of Series C Biotechnology companies in 2025–2027 (58 peers) — value vs value, same stage and era.

Financing rhythm & timingmixed

Historic cadence: a new round about every 16 months.

Last raise 11 mo ago; this sector typically re-raises about every 14 months.

Raising on or ahead of the sector's normal rhythm.

The last round stepped up 1.3× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 99% of Biotechnology peers (4293 compared).

Modeled value ranks above 83% of those peers.

Closest niche peers: Newleos Therapeutics, Inc., Biolinq Inc, Atsena Therapeutics, Inc., Galvanize Therapeutics, Inc., Endless Corp.

Peoplefiled

24 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.