Verified 10 Nov 2026
Duggan Investments
Duggan Investments, Inc. is the family office of the co-chief executive and majority stockholder of Summit Therapeutics, who has run it since 2016. An April 2026 proxy statement says it researches and administers his personal investments, mainly biotech aimed at diseases of aging; a May 2026 Pulse Biosciences proxy describes it as investing in venture capital and public equity. Filings from 2019 and 2020 place it in Clearwater, Florida.
- Type
- Single family office
- Location
- United States
- Sectors
- Venture, Public equities, Healthtech and life sciences
Sources
- www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.htm
- www.sec.gov/Archives/edgar/data/1625101/000143774926016006/plse20260324_def14a.h
- www.sec.gov/Archives/edgar/data/1507650/000092189520000159/ex991to13d11732sum_01
- www.sec.gov/Archives/edgar/data/1055919/000092189519003085/ex993to13da206922012_
Last checked 10 Nov 2026. Is something wrong? Tell us.
Appears in 8 lists
US family offices that invest in healthcare (28)Family offices that invest in healthcare (45)US family offices that invest in startups and venture capital (63)Family offices that invest in startups and venture capital (110)Family offices that invest in public equities (274)Single family offices in the United States (288)Family offices in the United States (481)Single family offices (488)