Investing Profile

Sean O'Sullivan(1)

InvestorVC
Managing Partner, SOSV
sosv.comNew York City
Photo of Sean O'Sullivan, Managing Partner at SOSV
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Sean O'Sullivan's investing connections

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1 Investor

Connected to David S. Rose (True Global Ventures).

Find Sean O'Sullivan on

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Current Investing Position
SOSV Managing Partner
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
118
Current Fund Size
$1.2B

Sean O'Sullivan is on these Sector & Stage Rankings

Sean O'Sullivan's Investments On Record (49)

CompanyStageDateRound SizeTotal Raised
Verdex Technology
Convertible NoteDec 2023
Convertible NoteJun 2023
Series ASep 2022
Series ANov 2021
Convertible NoteJul 2021
Series ASep 2020
Convertible NoteOct 2018
Convertible NoteMar 2018
Convertible NoteFeb 2017
Convertible NoteJul 2016
Convertible NoteFeb 2016
Convertible NoteApr 2015
Series UnknownJul 2011
Co-investors: Bradford Higgins (SOSV), Duncan Turner (SOSV)
Flore by Sun Genomics
Series BDec 2023
Series BNov 2022
Convertible NoteSep 2022
Series AJun 2020$9M
Convertible NoteOct 2019
SeedJan 2019$3M
SeedDec 2017
$12M
Co-investors: Po Bronson (SOSV), Arvind Gupta (Mayfield)
Prellis Biologics
Series CNov 2023
Series CAug 2022$35M
Series BJul 2021$19M
Convertible NoteJun 2021
Convertible NoteApr 2020
Convertible NoteMar 2018
SeedApr 2017$120K
$80M
Co-investors: Arvind Gupta (Mayfield), Rohit Sharma (True Ventures), Po Bronson (SOSV), Alireza Masrour (Plug & Play Ventures), Michael Marks (Celesta)
Karma Biotechnologies
SeedMay 2023
SeedSep 2021$3M
SeedSep 2019$2M
$5M
Co-investors: Patrick Gallagher (Tuesday Capital), Paul Grossinger (Gaingels), Alex Morgan (Khosla Ventures), Arye Lipman (MarsBio), Fabian Hansen (Presight Capital)
Simply Good Jars
Series AMay 2023
Convertible NoteOct 2021$1M
SeedOct 2019$2M
Pre SeedDec 2018$680K
$4.2M
Co-investors: Shawn Broderick (SOSV), Peter Bodenheimer, Mark Cuban, Lori Greiner
renegade.bio
Series AMar 2023
Convertible NoteJan 2023
Convertible NoteSep 2020
Convertible NoteMay 2020
SeedApr 2020$330K
Debt FinancingMar 2020
$330K
Co-investors: Arvind Gupta (Mayfield)
Climate Tech VC
SeedDec 2022
BioROSA Technologies
Convertible NoteNov 2022
Convertible NoteJun 2021
Convertible NoteJul 2020
Convertible NoteJul 2019
SeedJun 2018
Co-investors: Arvind Gupta (Mayfield), Christopher Male (Autism Impact Fund), John Parker