Investing Profile

Jan Hammer

VCInvestorAngel

General Partner at Index Ventures

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

Your Intro Paths to Jan Hammer

Signal uses Gmail to reveal intro paths. Email content is never read.

Find Jan Hammer on

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: Romain Lavault (Partech Ventures), Xavier Niel (Iliad / Free), Tom Stafford (DST Global)
Duna	Series AFeb 2026$35M SeedMay 2025$12M	$47M
Co-investors: Akshay Kothari
Duvo	SeedDec 2025$15M	$15M
Harmonic	Series CNov 2025$120M Series BJul 2025$100M Series ASep 2024$75M	$300M
Co-investors: Shaun Maguire (Sequoia Capital), Andrew Reed (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: Paul Murphy (Lightspeed Venture Partners), Hemant Taneja (General Catalyst), Anjney Midha (Andreessen Horowitz), Jeannette zu Fürstenberg (General Catalyst), Antoine Moyroud (Lightspeed Venture Partners), Quentin Clark (General Catalyst), Christian Miele (Headline (formerly e.ventures)), Eric Schmidt (Innovation Endeavors), Xavier Niel (Iliad / Free), Ana Levine (E1 Ventures), Martin A Cabrera (Quassar Capital), Anjney Midha
Spiko	Series AJul 2025$21M	$25M
Co-investors: Valentine Barbelivien (Founders Future), Anthony Danon (Cocoa)
Moment	Series BJul 2025$36M	$63M
Co-investors: David Haber (Andreessen Horowitz), Jason Calacanis (Sequoia Capital), Justin Overdorff (Lightspeed Venture Partners), Chris DeVore (Founders' Co-op), Ali Partovi (Minttown), Nick Beim (Venrock), Andy Dunn (Red Swan Ventures)
Tebi	Series BJun 2025$34M Series AOct 2024$22M	$56M