
Substack
Substack is an online media platform that allows writers to publish their work and earn money through paid subscriptions.
Secondary Market Price
How Substack Measures Up
To help you manage your Substack equity, Prospect has run the company through our machine learning model.
Prospect Rating
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This rating reflects our belief in this company's potential to grow to that many times its current value in 4 years. For an employee with stock, this rating suggests a potential return on equity, but it also comes with some risk.
Exit Risk
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Our rating is a reflection of the likelihood of this company achieving a liquidity event for its employees based on the quality of investors, funding stage, founders, and more.
Funding Stage
Series C
A company’s funding stage reflects how established it is, how quickly it is scaling, and the average impact an employee may have when joining.
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Prospect Projected Future Substack Prices
Prospect’s machine learning model has been trained on the same data top-tier investors use to project the likely range of outcomes for Substack's equity. Create a free account to view 10th-90th percentile projections over 2, 4, and 6 years.

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Company Description
Substack is an online media platform that enables writers and creators to publish content directly to an audience and monetize it through paid subscriptions. The company's business model centers on providing tools for publishers to manage their own content, including audio and video, and build a community around their work. Founded in 2017 and headquartered in San Francisco, Substack has grown to support more than 5 million paid subscriptions across its network of creators.
Recent company activity indicates a focus on expanding the platform's features and reach. Job postings for roles in growth engineering, community features for mobile applications, and events management suggest development is underway to enhance user acquisition and engagement. The company is also hiring for positions related to standards and enforcement, indicating a focus on content moderation and platform safety. Substack is privately held and has completed multiple funding rounds, with a recent valuation reported at $1.10 billion.
- Andreessen Horowitz
- The Chernin Group
- BOND
- Rich Paul
- Jens Grede
- Co-Founder, Chris Best
- Co-Founder, Hamish McKenzie
- Co-Founder, Jairaj Sethi
Frequently Asked Questions
Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.
Is Substack worth joining?
Deciding whether to join Substack depends on your personal career goals and how you value its compensation package. A key part of that package is often equity, and understanding its potential future value is crucial for making an informed decision.
What should I do with my Substack stock?
Managing your Substack stock requires a personalized strategy that considers your financial goals and tax implications. Platforms like Prospect can help you create customized option exercise and stock sale plans to maximize your potential returns.
Can you sell Substack stock?
As a private company, selling Substack stock is typically more restricted than selling shares of a public company. Opportunities to sell may arise through company-approved tender offers or on secondary markets, and specialized tools can help you navigate these events tax-efficiently.
How can I find the value of my Substack stock?
The value of private stock is not publicly available and is determined by its 409A valuation, recent funding rounds, and any secondary market transactions. You can use a platform like Prospect, which uses proprietary models to project the future value of your equity based on various market signals.
What is Substack's equity worth?
The precise worth of Substack's equity is private information that fluctuates based on factors like company performance and new funding rounds. Its value is formally assessed through 409A valuations, which determine the fair market value for tax and stock option purposes.
What is Substack's stock ticker symbol?
Substack is a privately held company and is not listed on a public stock exchange. Therefore, it does not have a stock ticker symbol.
Can I buy or sell Substack stock?
For existing shareholders like employees, selling Substack stock may be possible during specific events like tender offers, but it is generally illiquid. Buying stock in a private company like Substack is typically restricted to accredited investors participating in organized funding rounds.
What is the criteria to buy or invest in Substack stock?
Investing in a private company like Substack is generally limited to institutional investors, such as venture capital firms, and accredited investors. To qualify as an accredited investor, an individual must meet specific income or net worth thresholds defined by financial regulators.

