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
25
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 CApr 2026$75M
Series BNov 2024$140M
Series AApr 2023$34M
Series AApr 2021$62M
$310M
Splice Bio
Series BJun 2025$140M
Series AFeb 2022$57M
Series UnknownSep 2020
$190M
Co-investors: Ed Mathers (New Enterprise Associates (NEA)), Beat Steffen (Novartis Venture Fund), Carole Nuechterlein (F.Hoffmann-La Roche)
Mineralys Therapeutics
Series BJun 2022$120M
$240M
Co-investors: Derek DiRocco (RA Capital)
Aura Biosciences
Post Ipo EquityNov 2021
Series UnknownMar 2021$80M
Series CDec 2017$30M
Series BMar 2015$21M
$130M
Lava Therapeutics
Series CSep 2020$83M
$83M
Ona Therapeutics
Series AJun 2020$34M
$34M
AM Pharma
Series UnknownMar 2020$25M
Series FJul 2019$130M
Series ESep 2014$16M
Series DSep 2011$40M
$210M
Co-investors: Rémi Droller (Kurma Partners)
Medlumics
Series BMar 2017$37M
Series ADec 2011$5M
$42M

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