Diligence memo · auto-generated · as of July 2, 2026
Synthorx, Inc.
Synthorx, Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Synthorx, Inc. operates in Biotechnology, based in LA JOLLA.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Synthorx, Inc. has raised $35M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $27M on 2018-04-12.
Most recent recorded round closed around 2018-04-12.
Valuation (modeled)modeled
Provath models Synthorx, Inc. at approximately $1.1B (range $53M–$4.1B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.33× the median modeled value of Series B Biotechnology companies in 2016–2018 (101 peers) — value vs value, same stage and era. Within the normal band (133% of peer median) for its niche.
Financing rhythm & timingmixed
Historic cadence: a new round about every 23 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 stepped up 5.3× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 77% of Biotechnology peers (4293 compared).
Modeled value ranks above 90% of those peers.
Closest niche peers: Liquid BioScience, Inc., Amphivena Therapeutics, Inc., Tracon Pharmaceuticals, Inc., Tetra Discovery Partners, Inc., ECM Therapeutics, Inc..
Peoplefiled
8 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.