Substack

San Francisco, United States

Substack is a subscription-based newsletter publishing platform for independent writers.

$100.0M raised

Jul 2025

Series C

Top Investors

Andreessen HorowitzBondY CombinatorQuiet CapitalTCG

19,000+ verified contacts

Emails, phones & LinkedIn profiles

How much funding has Substack raised?

Substack has raised $100.0M in total funding. The most recent round was Series C. The last funding was announced in July 2025.

Who are Substack's investors?

Substack's investors include Andreessen Horowitz, Bond, Y Combinator, Quiet Capital, TCG.

Where is Substack headquartered?

Substack is headquartered in San Francisco, United States.

What does Substack do?

Substack is a subscription-based newsletter publishing platform for independent writers.

What stage is Substack at?

Substack is at the Series C stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated July 17, 2025.

MLA

"Substack — Funding & Investors." VCBacked, July 17, 2025, https://www.vcbacked.co/company/substack. Accessed June 17, 2026.

APA

VCBacked. (2025). Substack — Funding & Investors. Retrieved June 17, 2026, from https://www.vcbacked.co/company/substack

Wikipedia (cite web)

{{cite web |title=Substack — Funding & Investors |url=https://www.vcbacked.co/company/substack |website=VCBacked |access-date=June 17, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated July 17, 2025.