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

Paragon Biosciences CIRC Holdings, LLC

Paragon Biosciences CIRC Holdings, LLC looks fair against its niche peers and is dormant on financing cadence.

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

Businessfiled

Paragon Biosciences CIRC Holdings, LLC operates in Biotech / Pharma, based in CHICAGO.

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

Capital & rounds (filed)filed

Paragon Biosciences CIRC Holdings, LLC has raised $16M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).

Largest single filing: $16M on 2020-10-23.

Most recent recorded round closed around 2020-10-23.

Valuation (modeled)modeled

Provath models Paragon Biosciences CIRC Holdings, LLC at approximately $512M (range $32M–$1.9B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 1.00× the median modeled value of Series B Biotech / Pharma companies in 2019–2021 (11 peers) — value vs value, same stage and era. Within the normal band (100% of peer median) for its niche.

Financing rhythm & timingmixed

Last raise 5.7 yr ago; this sector typically re-raises about every 15 months.

Only one round on record and long silent — often defunct, acquired, or gone quiet.

Comparablesmixed

Capital scale ranks ahead of 70% of Biotech / Pharma peers (227 compared).

Modeled value ranks above 90% of those peers.

Closest niche peers: Mantra Bio, Inc., Front Range Biosciences, Inc., Nido Biosciences, Inc., LifeVault Bio, Inc., Pharmajet, Inc..

Peoplefiled

2 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.