Current Valuation
$1.1B
As of July 17, 2025
Total Funding Raised
$220.3M
Across 1 round
Last Round
Later Stage VC

$100.0M

Last Funding
Jul 2025

Funding date

Capital Efficiency
4.99x

Valuation / Funding

Funding History & Valuation Timeline
Complete history of all funding rounds and valuation milestones
DateRoundAmountPost-ValuationGrowth
September 26, 2024Later Stage VC (Series B)$83.3MN/A-
Valuation Analysis

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.

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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.