Investing Profile

Stephen Chambers

InvestorVC
General Partner at SOSV
ncbi.nlm.nih.gov/myncbi/1D_q-...New York, New York
Photo of Stephen Chambers, General Partner at SOSV
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Current Investing Position
SOSV General Partner
Investment Range
$100K - $2.0M
Sweet Spot
$1M
Investments On Record
150
Current Fund Size
$1.2B

Stephen Chambers is on these Sector & Stage Rankings

Stephen Chambers's Investments On Record (84)

CompanyStageDateRound SizeTotal Raised
heXem bio
SeedMar 2026$10M
SeedSep 2024
$10M
Co-investors: George M. Church (Flagship Pioneering), Tim Draper (Draper Associates), Andre Ronsoehr (Seraphim Space), Cigdem Toraman (Treeo VC)
AvantGuard
SeedFeb 2026
SeedMay 2023$3M
Convertible NoteMay 2021$400K
SeedDec 2019$550K
$4M
Co-investors: Lindsay Karas (NCT Ventures)
FluoSphera
SeedJan 2026$1M
Pre SeedMar 2023$1M
$2M
Foundational Bio
SeedDec 2025
Cayuga Biotech
SeedDec 2025$5M
Convertible NoteMar 2024
SeedMar 2023
SeedJan 2022
Convertible NoteNov 2020
SeedJun 2020$250K
$5.3M
ArgenTag
SeedNov 2025
Pre SeedFeb 2022
Klona Biotech
SeedNov 2025
Helex
SeedOct 2025$4M
Convertible NoteApr 2024
SeedOct 2022
Convertible NoteAug 2021
SeedAug 2021$1M
$5M