Adamant

Substacknewsletter · by Jason Yeh · English

Insights into improving fundraising for startups

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Audience
1K subscribers
Shown publicly on Substack
Publishing
Every two weeks
5 posts indexed in the last 90 days
Last post
Sep 21, 2026
40 days ago
Likely audience
Startup CEOs
Inferred from post content

Adamant is a Substack newsletter by Jason Yeh covering Fundraising strategy, venture capital and startup growth. NewsletterFIT indexed 5 posts from it in the last 90 days, most recently on Sep 21, 2026. Shown publicly on Substack: 1K subscribers.

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Compiled from public pages · refreshed Oct 17, 2026 · How NewsletterFIT collects and labels data