PostRound
Aaron Harris, Jacob DennisData & thoughts on early stage fundraising
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 218 | Founded | 3 years ago | Last Issue | 6 days ago |
| Active | |||||
Read this Newsletter
postround.substack.comLatest Issues
Series A activity: Week of October 11, 2026
Data for Series A deals done worldwide (ex-China) where amount raised is greater than $8M and the company is not focused on therapeutics
Subscribe now
Series A Deals
Autobia raised $12 million from Artal Capital on October 11, 2026. B...
Two Types of Startups: Spikes and Explainers
This is the fifth chapter in a book-length guide I’m writing about how to raise capital in a vastly different venture landscape.
Subscribe now
There are two major classifications of startups, at least insofar as investor “legibility” is c...
Series A activity: Week of October 4, 2026
Data for Series A deals done worldwide (ex-China) where amount raised is greater than $8M and the company is not focused on therapeutics
Subscribe now
Series A Deals
Reuse raised $21 million from At One Ventures on October 4, 2026. On...
How to Raise Venture Capital: When to Raise
This is the fourth chapter in a book-length guide I’m writing about how to raise capital in a vastly different venture landscape.
Subscribe now
When do I raise?
Of the two questions this guide set out to answer, this is the hardest. It’s...
Series A activity: Week of September 27, 2026
Data for Series A deals done worldwide (ex-China) where amount raised is greater than $8M and the company is not focused on therapeutics
Subscribe now
Series A Deals
Letterhead raised $34 million on September 28, 2026. Newsletter crea...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for PostRound.
| Subscribers | Engagement | 67 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
Authors
The writers behind this newsletter.
Founder of Magid and Company. Formerly of Y Combinator. Investor in and advisor to 25+ unicorns worth over $100B.
Associate @ Magid & Co | Startups, Fundraising, Venture Capital
Frequently Asked Questions
How can I access the email archive for PostRound?
You can find recent issues that have been published by PostRound on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does PostRound have?
To see how many people subscribe to PostRound, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in PostRound?
Newsletter advertising can be extremely effective when it's done right. Before you pitch PostRound as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like PostRound?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact PostRound using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to PostRound?
Scroll up to where it says Related Newsletters to see other publications like PostRound. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact PostRound?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.