Startups that raised under $5M in May 2026

Startups that announced a pre-seed, seed or angel round under $5M in May 2026, across every sector. 11 companies tracked this month — with amounts, stages and investors. If you sell to early-stage companies, these are the ones to reach the week they raise.

Return Helper

Startup

$4M

Series A

May 29, 2026

Kopa AI

SaaS & Productivity · Vilnius, Lithuania

€2M

Pre-Seed

May 28, 2026

MO

Modiqo

AI & ML Infrastructure · United States

$3M

Pre-Seed

May 28, 2026

K25 AI

SaaS & Productivity · Singapore, Singapore

$2M

May 25, 2026

Holmes

Developer Tools · San Francisco, United States

€1.1M

Pre-Seed

May 14, 2026

DO

Dolfin

Startup

€2.1M

Seed

May 13, 2026

NanoStruct

Startup

€2.6M

Seed

May 11, 2026

Moonlight AI

Healthtech & Biotech · Lausanne, Switzerland

$3.3M

Seed

May 6, 2026

Elastics

SaaS & Productivity · Warsaw, Poland

$2M

Pre-Seed

May 6, 2026

SL

Spring Labs

SaaS & Productivity · Los Angeles, United States

$5M

May 5, 2026

Banza

SaaS & Productivity · Bengaluru, India

$1 Million

Pre-Seed

May 4, 2026

Showing 11 companies (published with a short delay). The latest raises and founder contacts are available to members.