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

Repligen Corp

Repligen Corp looks under-valued 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

Repligen Corp operates in Other Health Care, based in WALTHAM.

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

Capital & rounds (filed)filed

Repligen Corp has raised $291M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).

Largest single filing: $239M on 2017-08-01.

Most recent recorded round closed around 2019-05-31.

Valuation (modeled)modeled

Provath models Repligen Corp at approximately $1.1B (range $256M–$2.4B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Under-valued. Modeled value is 0.33× the median modeled value of Series D+ Other Health Care companies in 2019–2021 (26 peers) — value vs value, same stage and era.

Financing rhythm & timingmixed

Historic cadence: a new round about every 30 months.

Last raise 7.1 yr ago; this sector typically re-raises about every 14 months.

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

The last round was 5.0× smaller than the prior — a bridge or down round.

Comparablesmixed

Capital scale ranks ahead of 99% of Other Health Care peers (5376 compared).

Modeled value ranks above 97% of those peers.

Closest niche peers: ZAHN Parent, LLC, Covetrus, Inc., EQH Parent, LLC, SonerMed, LLC, Fs Usme Lp.

Peoplefiled

18 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.