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>In October 2025, Twilio agreed to acquire Stytch to build an intelligent identity layer for AI agents; Twilio expects the transaction to close in mid‑November 2025.</li><li>Stytch operates a B2B SaaS model serving both consumer-facing applications and B2B software companies.</li><li>The emergence of AI agents as first-class users of software applications creates entirely new authentication and authorization requirements.</li></ul>

In October 2025, Twilio agreed to acquire Stytch to build an intelligent identity layer for AI agents; Twilio expects the transaction to close in mid‑November 2025.Stytch operates a B2B SaaS model serving both consumer-facing applications and B2B software companies.The emergence of AI agents as first-class users of software applications creates entirely new authentication and authorization requirements.

<ul><li>Defakto raised $30.75 million in Series B funding in October 2025, bringing total lifetime funding to approximately $50 million.</li><li>Defakto sells a B2B SaaS platform used by enterprise security, platform engineering, and DevOps teams.</li><li>Revenue expansion comes from new customer acquisition and from existing customers expanding deployments.</li></ul>

Defakto raised $30.75 million in Series B funding in October 2025, bringing total lifetime funding to approximately $50 million.Defakto sells a B2B SaaS platform used by enterprise security, platform engineering, and DevOps teams.Revenue expansion comes from new customer acquisition and from existing customers expanding deployments.

<ul><li>Rising bot-driven fraud—powered by password breaches &amp; password reuse—leading to account takeovers, fake &amp; spam signups, and promo &amp; referral abuse, made passwordless a necessary feature of identity platforms like Stytch ($30M Series A, Thrive Capital), Clerk ($15M Series A, Madrona) and WorkOS ($15M Series A, Lachy Groom), but it didn’t lead to widespread rip-and-replace of authentication systems.</li><li>MCP connectors and AI agents are emerging as the next big inflection point in authentication, as they force every app developer to add an OAuth2-compliant identity server with role based access control for governing what agents can read + write—so they can integrate into and be positioned to ride the wave of AI adoption.</li><li>And while this shift to passwordless and fraud prevention was the catalyst for launching Stytch and a huge influx of VC funding across the industry at the time, it’s going to pale in comparison to agent identity.</li></ul>

Rising bot-driven fraud—powered by password breaches &amp; password reuse—leading to account takeovers, fake &amp; spam signups, and promo &amp; referral abuse, made passwordless a necessary feature of identity platforms like Stytch ($30M Series A, Thrive Capital), Clerk ($15M Series A, Madrona) and WorkOS ($15M Series A, Lachy Groom), but it didn’t lead to widespread rip-and-replace of authentication systems.MCP connectors and AI agents are emerging as the next big inflection point in authentication, as they force every app developer to add an OAuth2-compliant identity server with role based access control for governing what agents can read + write—so they can integrate into and be positioned to ride the wave of AI adoption.And while this shift to passwordless and fraud prevention was the catalyst for launching Stytch and a huge influx of VC funding across the industry at the time, it’s going to pale in comparison to agent identity.

Reed McGinley-Stempel, CEO Of Stytch, On Authentication For AI Agents

<ul><li>Clerk raised a $30 million Series B in January 2024 led by CRV with strategic participation from Stripe.</li><li>Clerk provides React components that developers can drop into web and mobile applications to handle user authentication and management.</li><li>Clerk's expansion into authorization and billing represents a significant TAM expansion beyond pure authentication.</li></ul>

Clerk raised a $30 million Series B in January 2024 led by CRV with strategic participation from Stripe.Clerk provides React components that developers can drop into web and mobile applications to handle user authentication and management.Clerk's expansion into authorization and billing represents a significant TAM expansion beyond pure authentication.

United States

Identity and access management platform enabling secure, trusted AI agent operations across systems and organizations

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Primer: Stytch - 31 Oct 2025

API and SDK suite for passwordless authentication and identity management in web apps

Sacra

Primer: Defakto - 28 Oct 2025

Platform providing dynamic, verifiable identities for non-human actors to secure automated interactions across workloads, pipelines, and AI agents

Sacra

Primer: Clerk - 24 Sep 2025

Authentication and user management platform providing React components for sign-up, sign-in, and profile management

Sacra

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52-week Range

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Primer: Stytch - 31 Oct 2025

API and SDK suite for passwordless authentication and identity management in web apps

Sacra

Primer: Defakto - 28 Oct 2025

Platform providing dynamic, verifiable identities for non-human actors to secure automated interactions across workloads, pipelines, and AI agents

Sacra

Reed McGinley-Stempel, CEO Of Stytch, On Authentication For AI Agents

What is Stytch in short and what inspired you to build it from your time at Plaid...

Sacra

Primer: Clerk - 24 Sep 2025

Authentication and user management platform providing React components for sign-up, sign-in, and profile management

Sacra