Best Series B Funding Newsletters in 2026
NewsletterFIT tracks 3 newsletters that cover Series B funding as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are CoFound Newsletter (1K).
Updated Nov 11, 2026 · sorted by publicly shown subscribers · methodology
- 1CoFound Newsletter1K subscribers
SubstackMonthly or less · last post 48 days ago
From recent posts: CoFound announces its first Fund II LPAC meeting, outlines three investment themes including robotics, drug discovery, and solo founders, and provides updates on portfolio companies Fora Travel, Pearl Health, and Coverw…
Likely audience: Venture Capitalists
- 2
beehiivSeveral times a week · last post 10 days ago
Founders, investors & leaders in tech, that read Open Source CEO outperform their competition. Join thousands of weekly readers at Google, Canva, Stripe, TikTok, Sequoia and more.
Likely audience: AI product managers
- 3
SubstackEvery two weeks · last post 14 days ago
From recent posts: Advisortechbook publishes critical essays on AI integration and funding dynamics within the financial technology sector, specifically targeting advisors and industry observers. The publication mixes analytical critiques…
Likely audience: SaaS product managers
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