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>ChipAgents closed a $21M Series A in October 2025 led by Bessemer Venture Partners.</li><li>The platform uses multiple specialized AI agents.</li><li>ChipAgents operates as a B2B SaaS platform targeting semiconductor design teams.</li></ul>

ChipAgents closed a $21M Series A in October 2025 led by Bessemer Venture Partners.The platform uses multiple specialized AI agents.ChipAgents operates as a B2B SaaS platform targeting semiconductor design teams.

<ul><li>Rebellions raised a $15 million Series B extension in July 2024 led by Saudi Aramco's Wa'ed Ventures.</li><li>Rebellions designs AI inference accelerator chips optimized specifically for running trained models rather than training new ones.</li><li>The business benefits from the 2024 merger with SAPEON, which brought established relationships with Korean telecommunications companies and expanded the engineering team.</li></ul>

Rebellions raised a $15 million Series B extension in July 2024 led by Saudi Aramco's Wa'ed Ventures.Rebellions designs AI inference accelerator chips optimized specifically for running trained models rather than training new ones.The business benefits from the 2024 merger with SAPEON, which brought established relationships with Korean telecommunications companies and expanded the engineering team.

<ul><li>Corintis closed a $24 million Series A in September 2025 led by BlueYard Capital, with participation from Founderful, Acequia Capital, Celsius Industries, and XTX Ventures.</li><li>Performance results show up to 65% lower GPU silicon temperature rise and 10x higher cooling density compared to conventional solutions.</li><li>Manufacturing capacity currently supports 100,000 units annually, with plans to scale to 1 million units by 2026.</li></ul>

Corintis closed a $24 million Series A in September 2025 led by BlueYard Capital, with participation from Founderful, Acequia Capital, Celsius Industries, and XTX Ventures.Performance results show up to 65% lower GPU silicon temperature rise and 10x higher cooling density compared to conventional solutions.Manufacturing capacity currently supports 100,000 units annually, with plans to scale to 1 million units by 2026.

<ul><li>Paragraf completed a $55 million Series C funding round in August 2025, led by Mubadala Investment Company.</li><li>Paragraf produces graphene-based electronic devices using a proprietary metal-free chemical vapor deposition process that grows monolayer graphene directly on silicon wafers.</li><li>Paragraf is developing graphene-based memory devices through a £1 million Innovate UK grant, targeting ultra-low-power applications in data centers and edge AI systems.</li></ul>

Paragraf completed a $55 million Series C funding round in August 2025, led by Mubadala Investment Company.Paragraf produces graphene-based electronic devices using a proprietary metal-free chemical vapor deposition process that grows monolayer graphene directly on silicon wafers.Paragraf is developing graphene-based memory devices through a £1 million Innovate UK grant, targeting ultra-low-power applications in data centers and edge AI systems.

<ul><li>OpenLight raised $34 million in Series A funding in August 2025, with the round co-led by Xora Innovation and Capricorn Investment Group.</li><li>OpenLight develops photonic application-specific integrated circuits (PASICs) that transmit data using light rather than electrons, achieving higher speeds with reduced heat generation.</li><li>OpenLight's open foundry model distinguishes it from vertically integrated competitors by licensing its component library and technology to semiconductor foundries rather than maintaining ownership of manufacturing assets.</li></ul>

OpenLight raised $34 million in Series A funding in August 2025, with the round co-led by Xora Innovation and Capricorn Investment Group.OpenLight develops photonic application-specific integrated circuits (PASICs) that transmit data using light rather than electrons, achieving higher speeds with reduced heat generation.OpenLight's open foundry model distinguishes it from vertically integrated competitors by licensing its component library and technology to semiconductor foundries rather than maintaining ownership of manufacturing assets.

United States

Astera Labs, Inc. provides semiconductor-based connectivity solutions. The Company develops and deploys intelligent connectivity platforms built for cloud and AI infrastructure. Astera Labs serves customers in the United States, Canada, China, Taiwan, and Israel.

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Astera Labs (ALAB US)

Primer: ChipAgents - 22 Oct 2025

AI platform enabling hardware engineers to automate RTL design, verification, and debugging processes

Sacra

Primer: Rebellions - 30 Sep 2025

Developer of AI accelerator chips and data center systems for efficient inference in large-scale applications

Sacra

Primer: Corintis - 29 Sep 2025

Cooling hardware for AI chips using integrated microfluidic systems for heat management

Sacra

Primer: Paragraf - 01 Sep 2025

Manufacturer of graphene-based electronic devices for sensors and diagnostics applications

Sacra

Primer: OpenLight - 01 Sep 2025

Platform for designing and manufacturing custom photonic integrated circuits for AI data centers and other applications

Sacra

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