Every week, ARR Club's analytics engine processes new revenue milestones to find the fastest-growing SaaS and AI companies in our database. Here is this week's Growth Velocity Leaderboard based on verified ARR milestones published over the past 7 days:

Rank Company Growth Rate (CAGR) ARR Trajectory
#1 Kalshi +864x
annualized over 1.2 months
 $2B → $4B
#2 Bending Spoons +69x
annualized over 2.2 months
 $1.3B → $2.8B
#3 fonio +18x
annualized over 2.1 months
 $6M → $10M
#4 GojiberryAI +778%
annualized over 1.9 months
 $3M → $4.2M
#5 Decagon +660%
annualized over 13.6 months
 $10M → $100M

Note: CAGR (Compound Annual Growth Rate) is computed based on the linear time elapsed between the two most recent revenue milestones. Only companies with verified ARR updates in the past 7 days are considered for this recap.