# Tracy Young

> Tracy Young is a seed investor at Y Combinator backing Software. See 9 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Y Combinator](https://shizune.co/investors/profile/y-combinator)
- Location: San Francisco, United States
- Total investments: 9
- Last investment: Mar 2025
- Lead investor: 11%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tracy-young-0a17441
- X (Twitter): https://twitter.com/tracy_young
- Website: https://x.com/tracy_young

Tracy Young is a seed investor at Y Combinator in San Francisco focused on Software and Artificial Intelligence. Tracy Young is the former CEO and co-founder of PlanGrid. Currently, she works at TigerEye as the co-founder. Tracy attended California State University, Sacramento.

## Contacts

5 contacts available for Tracy Young: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/tracy-young?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.5M–$13M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 44% |
| Artificial Intelligence | 3 | 33% |
| Mobile Apps | 2 | 22% |
| Architecture | 2 | 22% |
| Construction | 2 | 22% |

32 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 8 | 89% |
| Pre-Seed | 1 | 11% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 6 | 67% |
| India | 1 | 11% |
| Mexico | 1 | 11% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Mastra | Mastra is an AI software that helps users to typescript complex operations and complete set of work using AI. | $13M | Seed | Mar 12, 2025 | https://x.com/mastra_ai |
| Reducto | Reducto's API converts unstructured documents into structured outputs for RAG, process automation, and more. | $8.4M | Seed | Oct 02, 2024 | https://reducto.ai |
| Fountain9 | Fountain9 offers predictive inventory planning and optimization solution for CPG and retail. Our flagship product, Kronoscope uses AI to accurately predict future inventory imbalances which lead to out of stock situations or wastage, and also recommends best ways of minimizing their impact. | $1.9M | Seed | Apr 29, 2021 | https://www.fountain9.com/ |
| wOS | wOS is a social fitness app that allows anyone in Latam to workout at home with a real social experience. We use 2 way livestreaming to create a truly social experience in our classes, Computer Vision to provide real-time feedback on form correction, and personalized class recommendations based on several user data points. | $125K | Pre-Seed | Mar 12, 2021 | https://app.getwos.co/ |
| UpCodes | UpCodes brings together the core building codes and integrates related information including amendments, buildings bulletins, directives, etc. into a searchable database. It provides team collaboration tools to simplify coordination. UpCodes targets the US architecture, engineering and construction (AEC) industry. | $3.4M | Seed | Nov 22, 2020 | https://up.codes |
| Handle | Handle.com powers the largest credit and finance teams in construction. Fortune 500 material suppliers and contractors trust Handle software on a daily basis to provide their credit and finance departments with an end-to-end solution. Handle is the new modern technology approach to better manage online payments, waivers and lien management forconstruction. | $4.5M | Seed | May 01, 2019 | http://handle.com/ |
| Airspace Systems | Airspace Systems designs, develops, and builds specialized drones. Its products solve meaningful problems that impact the world. Its teams are from the some of the best companies in the world. And we are backed by an amazing group of investors and advisors.Airspace Systems is the only drone security solution capable of identifying, tracking,and autonomously removing rogue drones from the sky. Its hardware and software are purpose-built for this challenge—and get better with every mission—so that users can protect their airspace with the tap of a finger. | $5M | Seed | Nov 18, 2016 | http://www.airspace.co |
| InsiteVR | InsiteVR helps architects and 3D designers easily create immersive virtual reality experiences. At InsiteVR.com architects and 3D designers can upload existing 3D models, which are then converted and optimized for viewing in virtual reality devices like the Oculus Rift, Google Cardboard or simply on mobile devices.Trying to understand 3D spacesby looking at static two-dimensional pictures is not intuitive. Communicating those 3D designs to a client, friend or colleague who isn't trained to understand 3D space isn't always trivial either. With virtual reality, architects and designers can effortlessly communicate the essence of their designs, save time and feel confident their viewer understands the design. | $1.5M | Seed | Aug 19, 2016 | https://www.insitevr.com/ |
| Rainforest QA | At Rainforest, we know you need to ship fast, with confidence. To achieve that, you need an easy-to-create, easy-to-maintain QA testing platform. We understand that QA can be tough to manage when you’re stuck in the QA gap between the scrappy “ship everything” stage and enterprise-level code-first frameworks. That’s why we’ve helped thousands ofstartups run more than 60M tests to ship products faster with AI-driven QA that anyone can run on Rainforest. | $4M | Seed | Feb 10, 2015 | https://www.rainforestqa.com/ |

9 of 9 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 4 deals together
- [Liquid 2 Ventures](https://shizune.co/investors/profile/liquid2-ventures) — VC Fund, 3 deals together
- [Soma Capital](https://shizune.co/investors/profile/soma-capital) — VC Fund, 2 deals together
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 2 deals together
- [021 Capital](https://shizune.co/investors/profile/021-capital) — VC Fund, 1 deal together
- [Script Capital](https://shizune.co/investors/profile/122-west-ventures) — VC Fund, 1 deal together

## About Y Combinator

VC Fund · Mountain View, United States

Y Combinator is a startup accelerator that provides funding and mentorship to early-stage companies. It offers a program where startups receive guidance from experienced entrepreneurs and investors. The organization helps founders in their business models and develop their products. Y Combinator serves industries such as technology, healthcare, andfinance.

5 contacts available at Y Combinator.

| Name | Title | Profile |
| --- | --- | --- |
| Boris Jabes | Visiting Partner | https://shizune.co/investors/profile/boris-jabes |
| Luther Lowe | Head of Public Policy | https://shizune.co/investors/profile/luther-lowe |
| Max Kolysh | Visiting Partner | https://shizune.co/investors/profile/max-kolysh |
| Brad Flora | Group Partner | https://shizune.co/investors/profile/brad-flora |
| Calvin French-Owen | Visiting Group Partner | https://shizune.co/investors/profile/calvin-french-owen |

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## FAQ

### What does Tracy Young invest in?

Tracy Young invests primarily in Software, Artificial Intelligence and Mobile Apps startups, most often at Seed and Pre-Seed stage. Most of the 9 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 Tracy Young's check size?

Tracy Young typically joins rounds of $1.5M–$13M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Tracy Young participates in.

### How do I contact Tracy Young?

Public channels for Tracy Young include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Tracy Young last invest?

The most recent investment recorded for Tracy Young closed in Mar 2025. Shizune tracks 9 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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