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 | IM8 Health |
+16x
annualized over 2.9 months
|
$100M → $200M |
| #2 | Lexroom |
+811%
annualized over 3.8 months
|
$10M → $20M |
| #3 | Wilmo.ai |
+747%
annualized over 3.2 months
|
$180K → $317K |
| #4 | OpenEvidence |
+224%
annualized over 7.1 months
|
$150M → $300M |
| #5 | AlphaSense |
+202%
annualized over 1.7 months
|
$600M → $700M |
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.
IM8 Health Historical Milestones
Jul 26, 2026
The 5 Fastest-Growing Companies of the Week (July 26, 2026)$200M
๐ 16X Growth
Jul 21, 2026
IM8 ARR surpasses $200M within 19 months of launch$200M
โก Grew from $100M to $200M ARR in just 2.9 months (beating 78% of SaaS peers)
Apr 23, 2026
IM8 Health hits $100M ARR in under a year$100M
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