Who invested in Duke Street Bio

5 rounds we have observed, with the 0 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

BiotechPharma

Raised 7 months ago

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Funding summaryUpdated 15 Nov 2026

$55Mraised across 5 rounds since 2021, from 5 sources

$13MRound$14MRound

Latest round: Round, $14MApr 2026
Investors: 0

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20222023202420252026

$9.4MRound$9.2MRound$9.4MRound$13MRound$14MRound

First round: Round, $9.4M
Biggest round: $14M
Usual gap between rounds: 12 months

The rounds

Apr 2026
Round$14M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $4.1M sold
Jan 2024
Round$13M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $2.5M sold, first sale Jan 2024
May 2023
Round$9.4M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
May 2022
Round$9.2M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $2.4M sold, first sale May 2022
Jun 2021
Round$9.4M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yetSEC filing: $142K sold, first sale May 2021