# Rakesh K. Loonkar

> Rakesh K. Loonkar is a Series A investor at Transmit Security backing Cyber Security. See 26 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Transmit Security](https://shizune.co/investors/profile/transmit-security)
- Location: Wellesley Hills, United States
- Total investments: 26
- Last investment: May 2026
- Lead investor: 12%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/rloonkar/

Rakesh K. Loonkar is a Series A investor at Transmit Security in Wellesley Hills focused on Cyber Security and Network Security. Rakesh is the President and Co-Founder of Transmit Security. Rakesh earned a B.S. in Chemical Engineering from Rensselaer Polytechnic Institute, Troy, NY.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2M–$16M |
| Series A | $8M–$38M |
| Series B | $25M–$250M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Cyber Security | 12 | 46% |
| Network Security | 12 | 46% |
| Security | 10 | 38% |
| Software | 5 | 19% |
| Computer | 4 | 15% |

29 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 14 | 54% |
| Seed | 7 | 27% |
| Series B | 2 | 8% |
| Funding Round | 2 | 8% |
| Angel | 1 | 4% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 12 | 46% |
| Israel | 8 | 31% |
| United Kingdom | 1 | 4% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ocean | Ocean develops an AI-native email security platform designed to detect and prevent phishing, business email compromise, financial fraud, and other targeted email attacks. The platform uses autonomous AI agents to investigate emails in real time by analyzing intent, validating identities, examining links and infrastructure, and gathering contextualinformation. Ocean also provides automated triage, incident response, and employee guidance capabilities to help organizations manage email security operations. | $20M | Series A | May 19, 2026 |  |
| Upwind Security | Upwind Security creates and develops software and online tools that ensures security of cloud infrastructure. It manages runtime environments of the cloud platform. | $250M | Series B | Jan 26, 2026 |  |
| Koi | Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $10M | Seed | Sep 10, 2025 |  |
| Koi | Koi provides an endpoint security platform that governs software installation across enterprise environments through a centralized control layer. The platform applies policy enforcement to software packages, extensions, containers, AI models, AI agents, and related components before they are installed on endpoints. Koi supports install-timeinspection and approval workflows that help organizations manage what code is introduced into their systems. The platform integrates with existing development and IT processes to monitor installation requests and apply predefined rules. | $38M | Series A | Sep 10, 2025 |  |
| Linx Security | The Linx Identity Security platform enables identity, security, and IT ops teams to finally control the whole identity lifecycle. A radical departure from legacy identity security solutions, Linx untangles the complex, ever-evolving web of identity security. Integrating smoothly with your IAM stack, Linx pulls together all your organization’sidentity data—organizing it neatly to reveal the hidden links between your employees, their digital identities, and the apps, software, platforms, and programs they have access to. Enabling you to continuously reduce your identity attack surface and swiftly close gaps in compliance. | $33M | Series A | Jul 22, 2024 |  |
| PointFive | PointFive provides a cloud and AI efficiency platform that helps organizations identify, monitor, and remediate inefficiencies across cloud infrastructure, data platforms, and AI environments. Its technology uses deep detection capabilities to uncover optimization opportunities that may be overlooked by traditional cloud cost management tools,while providing context and remediation workflows for engineering teams. The platform integrates with existing cloud environments and productivity tools, enabling teams to manage efficiency within their regular operational processes. PointFive supports multi-cloud environments and offers visibility into cloud usage, resource allocation, infrastructure performance, and AI-related spending across major cloud providers. By combining continuous monitoring, cost analysis, and automated remediation capabilities, the company helps organizations improve operational efficiency and manage cloud and AI expenditures more effectively. | $16M | Seed | Jun 18, 2024 |  |
| Entro Security | Entro is a revolutionary cyber security platform that provides protection for secrets and programmatic access to cloud services and data. They assist in accelerating business growth and success by building a safe cloud environment. | $18M | Series A | Jun 18, 2024 |  |
| Silk Security | Silk Security is a platform that enables businesses to adopt a comprehensive strategy for addressing code, infrastructure, and application risk. It incorporates AI technology to automate prioritizing, combining, and contextualizing data from various detection systems. | $12.5M | Seed | Aug 01, 2023 |  |
| Entro Security | Entro is a revolutionary cyber security platform that provides protection for secrets and programmatic access to cloud services and data. They assist in accelerating business growth and success by building a safe cloud environment. | $6M | Seed | May 17, 2023 |  |
| Neosec | Discover every API in your enterprise–including north-south, east-west, shadow, legacy, rogue, zombie, partner, authenticated, unauthenticated, and more.To see the entire API landscape, breadth of discovery matters most. Neosec uses existing API activity data to perform discovery that doesn’t require time-consuming deployment of per-app sensorsor sidecars. Neosec is easy for security teams to deploy, and delivers the broadest coverage that discovers every API and service.Neosec was established in 2021 by Ziv Sivan in Palo Alto, California. | $15M | Series A | Sep 14, 2021 |  |

10 of 26 investments shown.

## Co-investors
- [Cerca Partners](https://shizune.co/investors/profile/cerca-partners) — VC Fund, 6 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 4 deals together
- [Entrée Capital](https://shizune.co/investors/profile/entree-capital) — VC Fund, 3 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Battery Ventures](https://shizune.co/investors/profile/battery-ventures) — VC Fund, 2 deals together
- [Cyberstarts](https://shizune.co/investors/profile/cyberstarts) — VC Fund, 2 deals together

## About Transmit Security

VC Fund · Boston, United States

Transmit Security provides innovative authentication and risk management solutions to the largest enterprises in the world. Its mission is to enable organizations to deliver advanced identity use cases that improve the user experience, enhance security, and meet compliance mandates at a fraction of the time and cost of traditional identitysolutions. From the industry’s first app-less biometric authenticator to its state-of-the-art low-code identity orchestration platform, Transmit Security is a recognized leader in identity and risk innovation, solving the most critical authentication and risk challenges across the entire organization from the data center to the cloud.

5 contacts available at Transmit Security.

| Name | Title | Profile |
| --- | --- | --- |
| Mickey Boodaei | CEO | https://shizune.co/investors/profile/mickey-boodaei |
| Rakesh K. Loonkar | President & Co-Founder | https://shizune.co/investors/profile/rakesh-loonkar |
| Brett Eldridge | Advisor | https://shizune.co/investors/profile/brett-eldridge |
| Craig Currim | WW VP Customer Solutions and Field Engineering | https://shizune.co/investors/profile/craig-currim |
| Dima Polsky | Head of R&D | https://shizune.co/investors/profile/dima-polsky |

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## FAQ

### What does Rakesh K. Loonkar invest in?

Rakesh K. Loonkar invests primarily in Cyber Security, Network Security and Security startups, most often at Series A and Seed stage. Most of the 26 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Rakesh K. Loonkar's check size?

Rakesh K. Loonkar typically joins rounds of $2M–$16M at Seed, $8M–$38M at Series A and $25M–$250M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Rakesh K. Loonkar participates in.

### When did Rakesh K. Loonkar last invest?

The most recent investment recorded for Rakesh K. Loonkar closed in May 2026. Shizune tracks 26 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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