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

Generation Bio Co.

Generation Bio Co. 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

Generation Bio Co. operates in Biotechnology, based in CAMBRIDGE.

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

Capital & rounds (filed)filed

Generation Bio Co. has raised $212M 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: $111M on 2020-01-09.

Most recent recorded round closed around 2020-01-09.

Valuation (modeled)modeled

Provath models Generation Bio Co. at approximately $4.6B (range $505M–$10.1B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 1.09× the median modeled value of Series D+ Biotechnology companies in 2019–2021 (58 peers) — value vs value, same stage and era. Within the normal band (109% of peer median) for its niche.

Financing rhythm & timingmixed

Historic cadence: a new round about every 23 months.

Last raise 6.5 yr ago; this sector typically re-raises about every 14 months.

Silent for over 3× the sector's normal cadence.

The last round stepped up 1.1× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 97% of Biotechnology peers (4293 compared).

Modeled value ranks above 99% of those peers.

Closest niche peers: Sarepta Therapeutics, Inc., Asklepios BioPharmaceutical, Inc., Affinivax, Inc., Sonoma Biotherapeutics, Inc., Instil Bio, Inc..

Peoplefiled

12 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.