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The Venture Codex

Key1 Capital

89 Medinat Ha-yehudim Street, Bldg. E, 4th Floor, Herzliya, 4676672, Israel

Overview

Key1 Capital is a growth-stage VC fund backing Israeli and European companies. With two decades of experience in leadership roles at Goldman Sachs, their team has played a key role in the growth of top-tier technology companies scaling globally. Key1 actively seeks to partner with visionary founders who think big and are driven by strong values, helping them meaningfully expand through ultimate exit.

Total investments
13
Lead investments
3
Investments · 12mo
4
Active investors
1

Sector focus

  • Finance
  • Financial Services
  • Venture Capital
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Investment portfolio

  • Remepy

    Participated · Series A · Aug 2026

    Remepy develops Hybrid Drugs that integrate prescription medicines with personalized, AI-driven therapeutic apps to combine pharmacology with adaptive physical, cognitive, and behavioral interventions. The company partners with pharmaceutical firms to co-develop these drug–software combination products and recently announced a strategic collaboration with Merck KGaA. Remepy’s lead program, Hybridopa for Parkinson’s disease, produced encouraging Phase IIa results supported by peer‑reviewed publications and is being prepared for a global Phase III trial expected to begin in Q4 2026. The Series A financing and existing investor base have brought total capital raised to $62 million, providing funds to expand the company’s pipeline, platform, and pharmaceutical partnerships. Remepy positions its approach within emerging FDA frameworks for drug‑software combination products and aims to create new IP and lifecycle-management opportunities for partner drugs.

  • Xsight Labs

    Participated · Equity · Jul 2026

    Xsight Labs develops programmable, high-performance networking silicon, notably the E1 Data Processing Unit (DPU) and X2 Ethernet switch. The E1 is the company's first shipping 800G DPU and has completed SONiC-DASH Hero 800G validation, demonstrating sustained throughput of more than 14 million connections per second, hardware-accelerated inline crypto, and an ultra-efficient sub-75W power profile. The X2 is a fully software-defined 12.8 Tbps Ethernet switch with a reprogrammable data plane via XISA, deterministic sub-700ns latency, and an under-200W power envelope. Xsight emphasizes a fully open, standard Linux environment (native Linux, DPDK, SONiC) and positions its products for hyperscalers, service providers, OEMs, and constrained environments like satellite communications. Founded in 2017 and headquartered in Tel Aviv with additional offices in Kiryat Gat, Haifa, Boston, Raleigh, San Jose, and Yerevan, the company has reported multiple design wins and evaluations by Tier-1 customers. Financially, Xsight recently raised more than $300 million at a $2.8 billion post-money valuation to fund product roadmap expansion, team growth, and scaled manufacturing and delivery.

  • Lyte

    Participated · Equity · Jan 2026

    Headquartered in Mountain View, California, Lyte develops LyteVision, an end-to-end perception system that fuses advanced 4D sensing, RGB imaging, and motion awareness into a single connection for autonomous machines. The platform delivers unified spatial and visual data so developers no longer have to calibrate and integrate multiple third-party sensors, shortening deployment time for mobile robots, robotic arms, quadrupeds, robotaxis, and humanoids. Lyte pairs its hardware with an AI-driven operating layer that continually improves as vision, language, and action models advance. The company was founded by Alexander Shpunt, Arman Hajati, and Yuval Gerson—the architects behind Apple Face ID and Microsoft Kinect—and is backed by semiconductor veteran Avigdor Willenz as founding investor and chairman. Lyte’s technology has already earned a CES 2026 Best of Innovation Award in Robotics and an Honoree title in Vehicle Tech and Advanced Mobility. To date, the company has secured $107 million in aggregate funding from leading institutional investors. This capital supports the build-out of its unified sensing stack, global hiring, and commercialization plans aimed at capturing a share of the projected $125 billion AI robotics market by 2030.

  • Sweet Security

    Participated · Series B · Nov 2025

    Sweet Security is a Tel Aviv–based cybersecurity company focused on runtime Cloud-Native Application Protection Platform (CNAPP) and AI security. Its platform combines runtime context with AI-powered analytics to offer detection and response, vulnerability and posture management, identity threat protection, and API security, all driven by a patented LLM-based detection engine that cuts alert noise to 0.04%. The firm recently added an AI Security Platform that discovers every model and agent, detects adversarial attacks such as prompt injection, and hardens AI infrastructure. Over the past year, Sweet achieved 6× ARR growth and a 10× increase in enterprise customers, including multiple Fortune 1000 organizations. The company holds a newly granted U.S. patent that trains an LLM to identify anomalous log sessions, enabling it to uncover complex multi-step attacks missed by rule-based tools. Founded by Dror Kashti, Eyal Fisher, and Orel Ben Ishay, Sweet plans to use new capital to accelerate global expansion and product innovation as demand surges for real-time cloud and AI protection. Total funding now stands at $120 million, underscoring strong investor confidence in its growth trajectory.

  • Healthee

    Led · Series B · Apr 2025

    Healthee provides an AI-driven benefits platform designed to simplify complex employer health plans, improve care access, and enhance user experience. The company says its technology cuts costs and delivers measurable savings for employers and employees. Over the past year Healthee deepened its AI capabilities and expanded traction, surpassing 15,000 customers and signing clients including Instacart, SiriusXM, and Celonis. The platform focuses on making healthcare more accessible, personalized, and efficient for employees. With new capital, Healthee intends to expand its product suite, scale go-to-market operations, and double down on intuitive AI tools to further improve benefits navigation. Healthee is a platform led by CEO Guy Benjamin that provides personalized, instant, and uncomplicated answers to coverage, treatment, and benefits questions, plus end-to-end Open Enrollment support and tailored preventive care suggestions. The company intends to use its recent funding to scale operations, accelerate product development, and support expansion initiatives. Healthee raised a $32M Series A to advance those goals. TriNet is a strategic partner in the round and will bring expertise and resources to strengthen Healthee’s operational capabilities. Christian Ostberg, General Partner at Fin Capital, will join Healthee’s board of directors as part of the financing. The collaboration with TriNet and the new board addition are intended to support the company's rapid expansion and infrastructure-building to deliver high-quality healthcare solutions. Insurights provides an AI-powered platform that delivers on-demand, personally tailored answers about employer-provided health benefits regardless of insurance carrier. The system uses Natural Language Processing to interpret an employee’s specific healthcare plan and provide clear, plan-specific guidance. Its key feature, Zoe, Insurights’ Virtual Chief Health Officer, analyzes and breaks down any healthcare plan to explain coverage, estimate treatment costs, and recommend providers that accept the employee’s insurance. Zoe eliminates the need to search policy PDFs or spend time on customer service calls and will soon add the ability for employees to make appointments within the platform. Zoe also proactively reminds employees to schedule preventive care such as mammograms and yearly physicals. The company plans to scale its team with hires from healthcare and insurance backgrounds to support product development and growth.

Team