Show us what you can build.
A pre-seed program for early stage founders. Ship weekly for eight weeks and earn deeper feedback, mentors, and backing as you climb.
Join ChampionsWe back you before it's obvious.
F4 is a generalist pre-seed fund for ambitious founders. We help you turn early conviction into proof and put it in front of the right people.
Raise
Find the right investors.
Already raising? You get a list of investors who actually fit your company. Founders tell us the matches are remarkably accurate.
Open Raise