Investing Profile

Jan Hammer

VCInvestorAngel

General Partner at Index Ventures

indexventures.com/team/jan-ha...United Kingdom

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Current Investing Position

Index Ventures General Partner

Investment Range

$100K - $50.0M

Sweet Spot

$15.0M

Investments On Record

112

Current Fund Size

$1.2B

Jan Hammer's Investments On Record (49)

Company	StageDateRound Size	Total Raised
Alan	Series UnknownMar 2026$120M Series EMay 2022$190M Series DApr 2021$220M Series CApr 2020$54M Series BFeb 2019$45M Series AApr 2018$28M	$670M
Co-investors: Hélène Falchier (Portage Ventures), Romain Lavault (Partech Ventures), Xavier Niel (Iliad / Free), Tom Stafford (DST Global), Tobias Lutke
Duna	Series AFeb 2026$35M SeedMay 2025$12M	$47M
Co-investors: Alex Nichols (CapitalG), Jeanne DeWitt Grosser (Operator Collective), Adriaan Mol (Stash Ventures), Hanno Renner, Jean Charles Samuelian, Job van der Voort, Alexandre Prot, Akshay Kothari, Claire Hughes Johnson, Gloria Baeuerlein, Guillaume Princen
Duvo	SeedDec 2025$15M	$15M
Harmonic	Series CNov 2025$120M Series BJul 2025$100M Series ASep 2024$75M	$300M
Co-investors: Andrew Reed (Sequoia Capital), Shaun Maguire (Sequoia Capital), Nick Shalek (Ribbit Capital), Ilya Fushman (Kleiner Perkins), Charlie Cheever, Jared Leto
Mistral AI	Series CSep 2025$2B SeedJun 2023$110M	$3.1B
Co-investors: Anjney Midha (Andreessen Horowitz), Quentin Clark (General Catalyst), Paul Murphy (Lightspeed Venture Partners), Hemant Taneja (General Catalyst), Jeannette zu Fürstenberg (General Catalyst), Antoine Moyroud (Lightspeed Venture Partners), Eric Schmidt (Innovation Endeavors), Martin A Cabrera (Quassar Capital), Guillaume Houzé (Motier Ventures), Nicolas Essayan (Motier Ventures), Xavier Niel (Iliad / Free), Christian Miele (Headline (formerly e.ventures)), Ana Levine (E1 Ventures), Anjney Midha
Spiko	Series AJul 2025$21M	$25M
Co-investors: Valentine Barbelivien (Founders Future), Arthur Bernard (Athletico Ventures), Anthony Danon (Cocoa), Valentine Baudouin, Adrien Montfort, Jean Charles Samuelian, Frederic Montagnon, Harsh Sinha
Moment	Series BJul 2025$36M	$63M
Co-investors: Jason Calacanis (Sequoia Capital), David Haber (Andreessen Horowitz), Marc Andrusko (Andreessen Horowitz), Justin Overdorff (Lightspeed Venture Partners), Ali Partovi (Minttown), Chris DeVore (Founders' Co-op), Nick Beim (Venrock), Andy Dunn (Red Swan Ventures), Alexandra Prosszer (Btomorrow Ventures), Henry Kravis
Tebi	Series BJun 2025$34M Series AOct 2024$22M	$56M
Co-investors: Alex Nichols (CapitalG)