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>Sacra estimates Beehiiv hit $30M in annualized revenue in June 2025, up from $19.8M at the end of 2024.</li><li>In May 2024, Beehiiv raised $1M on Wefunder in a round that valued them at $192M.</li><li>Beehiiv&#39;s revenue is derived from the monthly subscription fees it charges, with three usage tiers currently in place: free, $43/month (billed annually), and $96/month (billed annually).</li></ul>

Sacra estimates Beehiiv hit $30M in annualized revenue in June 2025, up from $19.8M at the end of 2024.In May 2024, Beehiiv raised $1M on Wefunder in a round that valued them at $192M.Beehiiv&#39;s revenue is derived from the monthly subscription fees it charges, with three usage tiers currently in place: free, $43/month (billed annually), and $96/month (billed annually).

<ul><li>Sacra estimates that Passes reached a $9.5M annualized net revenue run rate in February 2024, up from $3.6M at the end of 2023.</li><li>Passes raised $40M in Series A funding led by Bond Capital, with participation from Abstract Ventures, Crossbeam Ventures, Skims cofounders Emma and Jens Grede, and others in February 2024.</li><li>Passes acquired Fanhouse in 2023, incorporating a former safe-for-work membership competitor.</li></ul>

Sacra estimates that Passes reached a $9.5M annualized net revenue run rate in February 2024, up from $3.6M at the end of 2023.Passes raised $40M in Series A funding led by Bond Capital, with participation from Abstract Ventures, Crossbeam Ventures, Skims cofounders Emma and Jens Grede, and others in February 2024.Passes acquired Fanhouse in 2023, incorporating a former safe-for-work membership competitor.

<ul><li>Sacra estimates that Kit (formerly ConvertKit) reached $52M annual recurring revenue (ARR) in 2025, up 20% year-over-year from $42M in 2024, not including transactional revenue from its ad network business.</li><li>ConvertKit completed a secondary transaction through AngelList with 48 individual angel investors in 2021 that valued the company at $200M.</li><li>The company has gradually expanded its market through strategic acquisitions.</li></ul>

Sacra estimates that Kit (formerly ConvertKit) reached $52M annual recurring revenue (ARR) in 2025, up 20% year-over-year from $42M in 2024, not including transactional revenue from its ad network business.ConvertKit completed a secondary transaction through AngelList with 48 individual angel investors in 2021 that valued the company at $200M.The company has gradually expanded its market through strategic acquisitions.

<ul><li>Sacra estimates that Circle hit $68M in annual recurring revenue (ARR) in May 2026, up from $55M at the end of 2025 and up ~80% year-over-year.</li><li>Circle generates revenue through subscription plans for its all-in-one community platform, with pricing ranging from $49-$399+ per month.</li><li>Circle offers a 14-day free trial, allowing potential customers to experience the platform&#39;s full functionality before committing to a paid plan.</li></ul>

Sacra estimates that Circle hit $68M in annual recurring revenue (ARR) in May 2026, up from $55M at the end of 2025 and up ~80% year-over-year.Circle generates revenue through subscription plans for its all-in-one community platform, with pricing ranging from $49-$399+ per month.Circle offers a 14-day free trial, allowing potential customers to experience the platform&#39;s full functionality before committing to a paid plan.

<ul><li>Sacra estimates that Substack hit $45M in annualized revenue in July 2025, up from $37M in 2024 and $30M in 2023, as paid subscriptions grew to 5M by March 2025 with approximately $450M in writer gross revenue.</li><li>Substack was valued at $1.1B following its $100M Series C round led by BOND and The Chernin Group in July 2025, reaching unicorn status.</li><li>Substack is gradually growing from a tool that allows writers to set up and monetize their own email newsletters to a network for both readers (to discover and engage with new writers) and writers (to get recommended by other writers, access infrastructure and resources, and better monetize).</li></ul>

Sacra estimates that Substack hit $45M in annualized revenue in July 2025, up from $37M in 2024 and $30M in 2023, as paid subscriptions grew to 5M by March 2025 with approximately $450M in writer gross revenue.Substack was valued at $1.1B following its $100M Series C round led by BOND and The Chernin Group in July 2025, reaching unicorn status.Substack is gradually growing from a tool that allows writers to set up and monetize their own email newsletters to a network for both readers (to discover and engage with new writers) and writers (to get recommended by other writers, access infrastructure and resources, and better monetize).

United States

Newsletter software for creators with subscription billing, audience growth, and ad monetization tools

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
P/E	0.00
Dividend (Yield)	0.00

Beehiiv (BEEHIIV US)

Primer: Beehiiv - 05 Apr 2026

Newsletter software for creators with subscription billing, audience growth, and ad monetization tools

Sacra

Primer: Passes - 12 Oct 2026

Marketplace for creators to sell risqué content, livestreams, and direct messages without nudity

Sacra

Primer: ConvertKit - 31 Jul 2026

Email marketing software for creators to grow, engage, and monetize their audiences

Sacra

Primer: Circle - 16 Jul 2026

Community software for creators to sell memberships, courses, and events to audiences

Sacra

Primer: Substack - 31 May 2026

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

Sacra

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)