Investing Profile

Alexander Harstrick

InvestorVC
Managing Partner at J2 Ventures
j2vp.comBoston, Massachusetts
Photo of Alexander Harstrick, Managing Partner at J2 Ventures

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J2 Ventures Managing Partner
$100K - $10.0M
$1M
12
CompanyStageDateRound SizeTotal Raised
Aalyria
Series BFeb 2026$100M
$100M
Co-investors: Mike Brown Jr (Bowery Capital)
Code Metal
Series BFeb 2026$130M
Series ANov 2025$37M
$160M
Co-investors: Steve Loughlin (Accel), Yan-David Erlich (B Capital Group), John Tenet (Red Cell Partners), Robert Keith (Salesforce Ventures)
LightSource
Series AMar 2025$33M
$33M
Co-investors: Anoushka Vaswani (Lightspeed Venture Partners), Ajay Agarwal (Bain Capital Ventures), Arif Janmohamed (Lightspeed Venture Partners), Edward Lando (Biowear), Jamie Goldstein (Pillar VC), Russ Wilcox (Pillar VC)
Musubi
SeedFeb 2025$5M
$5M
Micron Biomedical
Series AJan 2025$16M
Series AMay 2023$3M
$19M
Druid Software
Series UnknownJan 2025$20M
$20M
Apex
Series BJun 2024$95M
SeedOct 2022$10M
$720M
Co-investors: David Ulevitch (Andreessen Horowitz), Katherine Boyle (Andreessen Horowitz), Joe Lonsdale (8VC), Brittany Walker (CRV), Brandon Reeves (Lux Capital), Tom Schmidt (Dragonfly Capital Partners), Ross Fubini (XYZ Venture Capital), Adam Corey (Village Global), Anne Dwane (Village Global), Lucas Vaz (Ravelin Capital), Paul Hudson (Glade Brook Capital Partners), Eric Del Balso (Kohala Ventures), Lawrence Braitman, Larry Braitman
Aether Biomedical
Series ANov 2023$6M
$11M
Co-investors: Brian Yormak (Story Ventures), Marcus Erken (Sunfish Partners), Maciej Frankowicz