Private Markets, Angel and Secondary Investing, Sacra

Sacra

Private Markets, Angel and Secondary Investing

Bringing transparency to private markets so investors, founders, and employees can build on conviction. Sacra delivers deeply researched insights on the private companies shaping tomorrow's markets. By surfacing the data, context, and operator perspective that are missing from private markets today, we help secondary buyers and sellers price equity accurately and unlock liquidity for the people building these businesses.

Private Capital Markets

<ul><li>Kajabi reached a $2B valuation in 2021 when the company hit $100M ARR, corresponding to a 20x revenue multiple during the peak of creator economy enthusiasm.</li><li>The platform enables creators to build branded websites, create and sell digital courses, host membership communities, deliver coaching services, launch podcasts, send newsletters, and process payments—all from a single dashboard.</li><li>Since its founding in 2010, Kajabi has paid out $10B to creators, with total payouts rising 25% year-over-year as of August 2025.</li></ul>

Kajabi reached a $2B valuation in 2021 when the company hit $100M ARR, corresponding to a 20x revenue multiple during the peak of creator economy enthusiasm.The platform enables creators to build branded websites, create and sell digital courses, host membership communities, deliver coaching services, launch podcasts, send newsletters, and process payments—all from a single dashboard.Since its founding in 2010, Kajabi has paid out $10B to creators, with total payouts rising 25% year-over-year as of August 2025.

<ul><li>Sacra estimates Whop reached <a href="https://sacra.com/research/whop-revenue-growth-valuation/" target="_blank" rel="noopener noreferrer">$142M annualized revenue in October 2025, up 255% YoY and up from $56M at the end of 2024</a>, raising $50M last July at an $800M valuation for a 28.6x multiple on $28M revenue at the time—compared to ecommerce platform Shopify (NYSE: SHOP) at $10.7B TTM revenue, growing 20% YoY, valued at $192B for a 17.9x multiple, digital storefront <a href="https://sacra.com/c/stan/" target="_blank" rel="noopener noreferrer">Stan </a> at <a href="https://sacra.com/research/stan-revenue-growth-valuation" target="_blank" rel="noopener noreferrer">$28.3M in annual recurring revenue at the end of 2024, up 93% YoY</a>, and livestream shopping platform Whatnot at $359M revenue in 2024, up 102% YoY, valued at $5B for a 13.9x multiple.</li><li>The creator market continues to split between mainstream platforms like <a href="https://sacra.com/c/patreon" target="_blank" rel="noopener noreferrer">Patreon</a>, <a href="https://sacra.com/c/linktree" target="_blank" rel="noopener noreferrer">Linktree </a> &amp; <a href="https://sacra.com/c/circle-so" target="_blank" rel="noopener noreferrer">Circle</a>, built on <a href="https://sacra.com/c/stripe" target="_blank" rel="noopener noreferrer">Stripe </a> &amp; PayPal, that optimize for SFW creators and increasingly see B2B-style adoption, versus shadow market platforms for high-risk, high-chargeback merchants like <a href="https://sacra.com/c/whop" target="_blank" rel="noopener noreferrer">Whop</a>, which orchestrate multiple payment providers to improve authorization rates and effectively “platform” creators who would otherwise struggle to find a place to sell online.</li><li>With the <a href="https://sacra.com/c/whop" target="_blank" rel="noopener noreferrer">Whop App Store </a> (launched June 2025), <a href="https://sacra.com/c/whop" target="_blank" rel="noopener noreferrer">Whop </a> can serve the diverse set of grey-market use cases compared to the adult-verticalized <a href="https://sacra.com/c/onlyfans" target="_blank" rel="noopener noreferrer">OnlyFans</a>, siphon users from apps like <a href="https://sacra.com/c/discord" target="_blank" rel="noopener noreferrer">Discord </a> (Chat by Whop) &amp; Twitch (Livestreaming by Whop) and turn Whop storefronts into high engagement user-facing apps.</li></ul>

Sacra estimates Whop reached $142M annualized revenue in October 2025, up 255% YoY and up from $56M at the end of 2024, raising $50M last July at an $800M valuation for a 28.6x multiple on $28M revenue at the time—compared to ecommerce platform Shopify (NYSE: SHOP) at $10.7B TTM revenue, growing 20% YoY, valued at $192B for a 17.9x multiple, digital storefront Stan  at $28.3M in annual recurring revenue at the end of 2024, up 93% YoY, and livestream shopping platform Whatnot at $359M revenue in 2024, up 102% YoY, valued at $5B for a 13.9x multiple.The creator market continues to split between mainstream platforms like Patreon, Linktree  &amp; Circle, built on Stripe  &amp; PayPal, that optimize for SFW creators and increasingly see B2B-style adoption, versus shadow market platforms for high-risk, high-chargeback merchants like Whop, which orchestrate multiple payment providers to improve authorization rates and effectively “platform” creators who would otherwise struggle to find a place to sell online.With the Whop App Store  (launched June 2025), Whop  can serve the diverse set of grey-market use cases compared to the adult-verticalized OnlyFans, siphon users from apps like Discord  (Chat by Whop) &amp; Twitch (Livestreaming by Whop) and turn Whop storefronts into high engagement user-facing apps.

<ul><li>Communities as businesses split into three models: vertical professional networks (B2B marketers, roofing contractors, Airbnb hosts), training programs (software engineering bootcamps, becoming a life coach, starting an AI agency), and personal improvement clubs (support groups for new parents, meditation communities, health condition support) that monetize via access to peers & structured programs as an alternative to the burnout-inducing content treadmill that comes from creating & selling newsletters, courses and digital downloads.</li><li>Originally built for YouTubers & course creators, now community platforms are seeing demand crossover into B2B and the enterprise with Fortune 500 companies creating professional networks for practitioners, customer communities for education & support and partner & ecosystem hubs.</li><li>We hit profitability a few months ago, and are now at $50M+ ARR.</li></ul>

Communities as businesses split into three models: vertical professional networks (B2B marketers, roofing contractors, Airbnb hosts), training programs (software engineering bootcamps, becoming a life coach, starting an AI agency), and personal improvement clubs (support groups for new parents, meditation communities, health condition support) that monetize via access to peers & structured programs as an alternative to the burnout-inducing content treadmill that comes from creating & selling newsletters, courses and digital downloads.Originally built for YouTubers & course creators, now community platforms are seeing demand crossover into B2B and the enterprise with Fortune 500 companies creating professional networks for practitioners, customer communities for education & support and partner & ecosystem hubs.We hit profitability a few months ago, and are now at $50M+ ARR.

Sid Yadav, co-founder & CEO Of Circle, On The 3 Types Of Community Businesses

<ul><li>Substack is working on its own ad product to keep its highest-earning writers from defecting.</li><li>We first covered Substack in April 2023 at $19M in revenue as the “luxury publishing conglomerate” taking on legacy media like the NYT.</li><li>Sacra estimates Substack hit $45M in annualized revenue in July 2025, up from $37M at the end of 2024.</li></ul>

Substack is working on its own ad product to keep its highest-earning writers from defecting.We first covered Substack in April 2023 at $19M in revenue as the “luxury publishing conglomerate” taking on legacy media like the NYT.Sacra estimates Substack hit $45M in annualized revenue in July 2025, up from $37M at the end of 2024.

<ul><li>Sacra estimates Beehiiv hit $30M in annualized revenue in June 2025, up from $19.8M in December 2024.</li><li>About 33% of Beehiiv’s revenue—~$10M annualized as of June 2025—now comes from its Ad Network.</li><li>Beehiiv and Kit focus on direct list growth and downstream monetization, while Substack has gone middle-of-funnel.</li></ul>

Sacra estimates Beehiiv hit $30M in annualized revenue in June 2025, up from $19.8M in December 2024.About 33% of Beehiiv’s revenue—~$10M annualized as of June 2025—now comes from its Ad Network.Beehiiv and Kit focus on direct list growth and downstream monetization, while Substack has gone middle-of-funnel.

United States

Newsletter tool for writers to publish, monetize, and grow subscriber audiences

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Substack (SUBSTACK US)

Primer: Kajabi - 11 Jan 2026

Software for creators to build, market, and sell online courses and digital products

Sacra

Whop At $142M Revenue

TL;DR: A digital storefront for Gen Z creators, Whop has grown to a Sacra-estimated $142M in annualized revenue, growing 255% YoY. With the launch...

Sacra

Sid Yadav, co-founder & CEO Of Circle, On The 3 Types Of Community Businesses

What is Circle in short and what was the founding insight that led you, Rudy, and Andy to start it coming out of Teachable...

Sacra

Substack At $45M/year

TL;DR: After originally positioning against ads, Substack is working on its own ad product to keep its highest-earning writers from defecting....

Sacra

Beehiiv At $30M/year

TL;DR: First launched as a subscription-based newsletter SaaS, Beehiiv now gets a third of its revenue from its performance ad network and creator...

Sacra

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