Substack
$100.0M
Funding date
Valuation / Funding
| Date | Round | Amount | Post-Valuation | Growth |
|---|---|---|---|---|
| September 26, 2024 | Later Stage VC (Series B) | $83.3M | N/A | - |
Current Valuation Metrics
Substack is currently valued at $1.1B as of July 17, 2025. The company has raised a total of $220.3M in funding across 1 funding round.
Capital Efficiency
With a capital efficiency ratio of 4.99x, Substack has achieved a valuation that is 4.99 times the total capital raised.
What is Substack Worth in 2026?
Substack is a leading private company in the Publishing sector. Track Substack's valuation history, funding timeline, and implied market value from secondary transactions on Premier Alternatives.
How Substack Valuation is Determined
Private company valuations like Substack's are determined through primary funding rounds led by venture capital firms, private equity investors, and strategic partners. The valuation reflects factors including revenue growth, market opportunity, competitive positioning, and investor sentiment.