NewsletterScan
Weekly Report
Sep 21 - Sep 28, 2026

Newsletter Trend Report

What's trending across 500+ newsletters this week. Auto-generated from real newsletter coverage data.

100
Topics Active
0
Brands Mentioned
10
Breakout Trends
10
Fastest Growing

Breakout Trends

Topics surging with 50%+ week-over-week growth and significant mention volume.

Most Mentioned Topics

#TopicMentionsWoW ChangeCategory
1OpenAI129+0.8%Technology
2Anthropic91-22.2%Artificial Intelligence
3AI agents83+22.1%Technology
4Donald Trump73+62.2%Politics
5Substack61+79.4%Climate
6Meta55+103.7%Artificial Intelligence
7Artificial Intelligence52+36.8%Technology
8AI51+59.4%Lifestyle
9CNN48+200%Politics
10Bitcoin47+23.7%Cryptocurrency
11Claude42-12.5%Artificial Intelligence
12Google39+18.2%Finance
13Trump39+225%Politics
14artificial intelligence39+62.5%Business
15Trump administration39+178.6%Climate
16ChatGPT38-5%Artificial Intelligence
17Deep Learning37+236.4%Technology
18Machine Learning37+164.3%Technology
19Large Language Models36+227.3%Technology
20Computer Vision36+200%Technology

Fastest Growing

Topics with the highest week-over-week growth rates (minimum 3 mentions).

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