Duke Street Bio Ltd

LONDON, X0 · Founded 2020 · Biotech · Private

Novel cancer therapies targeting DNA damage repair vulnerabilities and immune system responses

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Updated · dukestbio.com

Sector
Biotech
Headquarters
LONDON, X0
Founded
2020
Latest Form D
$4.1M, Jun 2026
Total capital
$9.3M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$9.3M
5 Form D · last Jun 2026
4 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

2020202120222023202420252026FEDERAL ↑EQUITY ↓Cumulative $9.3M1st Form D$27K3rd Form D$2.4M4th Form D$2.5M5th Form D$4.1M
2020202220242026FEDERAL ↑EQUITY ↓Cumulative $9.3M5th Form D$4.1M

Latest events

  • Private capital raisedForm D · SEC · 5th filing$4.1M
  • Private capital raisedForm D · SEC · 4th filing$2.5M
  • Private capital raisedForm D · SEC · 3rd filing$2.4M
  • Private capital raisedForm D · SEC · 2nd filing$142K
  • Private capital raisedForm D · SEC · 1st filing$27K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Founders and team

From SEC Form D filings
  • Alan WiseDirectorNamed in SEC Form D filings
  • Barry McGuinnessExecutive OfficerNamed in SEC Form D filings
  • Donnie ChristianDirectorNamed in SEC Form D filings
  • Harvey McGrathDirectorNamed in SEC Form D filings
  • Peter TrillDirectorNamed in SEC Form D filings
  • Phillip CowleyDirectorNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

Regulatory activity · Biotech

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .