F4 FundFund
TeamPortfolioRaiseEssays
Sign in
Investment ThesisInvestment TeamSelected PortfolioRecent UpdatesFrequent co-investorsSimilar Firms
Warm Fund

F4 Fund

f4.fund

Investment thesis

We back the relentless - founders with exceptional drive, clear vision, and proven execution ability building ambitious category-defining companies.

$100K – $250K
Check Size
Leads & Follows
Lead Tendency
~1 Week
Timeline
01Investment Thesis

We back the relentless - founders with exceptional drive, clear vision, and proven execution ability building ambitious category-defining companies.

Exclusion Criteria

No low-conviction investments, passive founders, or commoditized categories

02Investment Team
DK
David Kaye
03Selected Portfolio
AgeTech & Longevity
Ato
Consumer Apps & Social
Blush·Cardnexus·Boby·Tryhero·Jack
E-commerce & Marketplaces
Flockshop·Finalbosssour
Enterprise Software
Howie·Valley·Podcastai
Fintech & Payments
Afterhour·Benjaminone
Food & Beverage
Final Boss Sour
Gaming
Antistatic Studios·Scorespace·Noice·Antistaticstudios·Incandescent Games Limited·Omadagame·Playgap·Series Entertainment·Midsummer Studios
Healthcare & Digital Health
Joinpap
HR Tech & Future of Work
Superposition AI
Marketing & Adtech
Blueberry Social·Blueberrysocial
Real Estate & PropTech
Further
Semiconductors & Hardware
Camera Intelligence
Open the full portfolio→
04Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

F4 Fund launched F4 Champions, an 8-week pre-seed accelerator program offering $100K on a YC MFN SAFE plus 1% equity. Season 1 began August 3, 2026 with mentors including Charles Hudson (Precursor Ventures), Danielle Strachman (1517 Fund), and others.
NEW FUND·f4.fund
JUL 2026
Invested in Ambra, a cloud-based medical image management platform.
INVESTMENT·f4.fund
APR 1, 2026
David Kaye essays on authenticity and illegibility in the age of AI—why genuine outliers and earned weirdness matter more than competent AI-generated alternatives.
ESSAY·blog.davidkaye.co
MAR 31, 2026
05Frequent co-investors
GF
GFR Fund
Both backed 2 of the same companies
Final Boss Sour, Finalbosssour
P
Play
Both backed 2 of the same companies
Benjaminone, Omadagame
PV
Play Ventures
Both backed 2 of the same companies
Benjaminone, Omadagame
Y
Yonder
Both backed 2 of the same companies
Howie, Jack
Find the investors for your round→
06Similar Firms
P
Patron
$2M – $3M · Seed · Series A
→
SG
Supernode Global
$500K – $3M · Pre-Seed · Seed
→
T
Tirta
$250K – $3M · Pre-Seed · Seed
→
T
Transcend
$2M – $15M · Pre-Seed · Seed
→
TM
the mini fund
$250K – $3.7M · Pre-Seed · Seed
→
Quick Reference
Check Size
$100K – $250K
Stages
Pre-Seed · Seed
Decision
Solo GP · ~1 Week
Warm Intro
Not Required
Sector Focus
Fintech & PaymentsConsumer Apps & SocialE-Commerce & MarketplacesGamingEnterprise SoftwareHR Tech & Future Of WorkMarketing & AdtechMedia & EntertainmentHealthcare & Digital Health
Technology
AI/ML
See all Fintech & Payments investors →See all Consumer Apps & Social investors →See all E-commerce & Marketplaces investors →
Visit f4.fund ↗

See how F4 Fund matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Focus Areas
Fintech & PaymentsConsumer Apps & SocialE-Commerce & MarketplacesGamingEnterprise SoftwareHR Tech & Future Of WorkMarketing & AdtechMedia & EntertainmentHealthcare & Digital Health

See how F4 Fund matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Is this your firm? Claim your profile
F4 Intelligence Report · Last Researched September 3, 2026F4 Research Engine