Diligence memo · auto-generated · as of July 2, 2026
Rapid Micro Biosystems, Inc.
Rapid Micro Biosystems, Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Rapid Micro Biosystems, Inc. operates in Other Health Care, based in LOWELL.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Rapid Micro Biosystems, Inc. has raised $135M in disclosed capital across 8 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).
Largest single filing: $60M on 2018-04-12.
Most recent recorded round closed around 2018-04-12.
Valuation (modeled)modeled
Provath models Rapid Micro Biosystems, Inc. at approximately $1.4B (range $218M–$3.6B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.32× the median modeled value of Series C Other Health Care companies in 2016–2018 (40 peers) — value vs value, same stage and era. Within the normal band (132% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 13 months.
Last raise 8.2 yr ago; this sector typically re-raises about every 14 months.
Silent for over 3× the sector's normal cadence.
The last round was 1.3× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 97% of Other Health Care peers (5377 compared).
Modeled value ranks above 98% of those peers.
Closest niche peers: Specialty Networks, LLC, New MMI Holdings, Inc., BioMatrix Holdings, L.L.C., Sea Hunter Holdings, LLC, Bind Benefits, Inc..
Peoplefiled
24 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.