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Substack

Media · San Francisco, US · substack.com

Subscription publishing platform for independent writers and newsletters.

Funding history

DateRoundAmount
Jul 2025Series C
Substack raised a $100M Series C led by Bond and The Chernin Group at a $1.1B+ valuation, reaching unicorn status.
$100M
Mar 2021Series B
Newsletter platform Substack raised a $65m Series B led by Andreessen Horowitz at a roughly $650m valuation.
$65M

Investors

Andreessen HorowitzBONDThe Chernin Group

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