Investing Profile

Joël Jean-Mairet

Photo of Joël Jean-Mairet, General Partner at Ysios Capital
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Current Investing Position
Ysios Capital General Partner
Investment Range
$1M - $7.5M
Sweet Spot
$1M
Investments On Record
22
Current Fund Size
€126.4M

Joël Jean-Mairet is on these Sector & Stage Rankings

Joël Jean-Mairet's Investments On Record (10)

CompanyStageDateRound SizeTotal Raised
ADCendo
Series AApr 2023$34M
Series AApr 2021$62M
$110M
Co-investors: Reza Halse (RA Capital), Marten Steen (HealthCap), Ohad Hammer (Pontifax Venture Capital), Iyona Rajkomar (Pontifax Venture Capital)
Mineralys Therapeutics
Series BJun 2022$120M
$240M
Co-investors: Derek DiRocco (RA Capital), Olivier Litzka (Andera Partners)
Splice Bio
Series AFeb 2022$57M
Series UnknownSep 2020
$57M
Co-investors: Ed Mathers (New Enterprise Associates (NEA)), Beat Steffen (Novartis Venture Fund), Sylvain Sachot (Asabys Partners)
Aura Biosciences
Post Ipo EquityNov 2021
Series UnknownMar 2021$80M
Series CDec 2017$30M
Series BMar 2015$21M
$130M
Co-investors: Mark Chin (Arix Bioscience)
Lava Therapeutics
Series CSep 2020$83M
$100M
Co-investors: Guido Magni (Versant Ventures), Nanna Luneborg (Forbion), Laia Crespo (Sanofi Ventures)
Ona Therapeutics
Series AJun 2020$34M
$34M
Co-investors: Jose Mesa (Alta Life Sciences)
AM Pharma
Series UnknownMar 2020$25M
Series FJul 2019$130M
Series ESep 2014$16M
Series DSep 2011$40M
$210M
Co-investors: Raphael Wisniewski (Andera Partners), Geert-Jan Mulder (Forbion), Rémi Droller (Kurma Partners), Martijn Kleijwegt (EQT Life Sciences), Felice Verduyn - van Weegen (EQT Life Sciences), Laia Crespo (Sanofi Ventures)
Medlumics
Series BMar 2017$37M
Series ADec 2011$5M
$64M
Co-investors: Olivier Litzka (Andera Partners)