About Rock Yard Ventures
Rock Yard Ventures is a venture capital firm founded in 2022. It is primarily based out of Cambridge, United States. As of Apr 2026, Rock Yard Ventures is an active investor, having invested in 6 companies, with 4 new investments in the last 12 months. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and Enterprise Infrastructure. Most recently it participated in the $***** Seed round of Iridius A lot of funds co-invest with Rock Yard Ventures, with names like Liquid 2 Ventures sharing a substantial percentage of its portfolio.Key Metrics
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed & Series A
Rock Yard Ventures' List of Top Investments
Rock Yard Ventures has a portfolio of 6 companies. Their most notable investmentis in HestusTheir portfolio spans across and United States. They have invested in Enterprise Applications, High Tech, Enterprise Infrastructure and 4 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by Rock Yard Ventures:1. Sygaldry
Developer of quantum-accelerated AI servers for training and inference acceleration. It builds tools to integrate quantum capabilities into AI models and workflows. The company aims to deliver infrastructure for quantum superintelligence. Its AI servers combine qubit modalities within a fault-tolerant architecture. This approach seeks to provide the cost, scale, and speed necessary for advanced AI applications.
Key facts about Sygaldry
- Founded Year: 2024
- Location: Mountain View (United States)
- Stage: Series A
- Total Funding till date: $139M
- Investors: RRE Ventures, Breakthrough Energy and 14 Others
- Latest Funding Round: Series A, Mar 05, 2026, $*****

2. Interface
AI-powered platform to audit, fix, and rewrite industrial procedures. The companys platform uses AI to automate the process of auditing and rewriting procedures, making it a solution for industries such as manufacturing, energy, and transportation. It identifies potential hazards and gaps in existing procedures, and prevents recurrence of past mistakes by incorporating accident history into procedure updates.
Key facts about Interface
- Founded Year: 2024
- Location: San Francisco (United States)
- Stage: Seed
- Total Funding till date: $3.5M
- Employee Count: 13 as on Jul 31, 2026
- Investors: Defy, Entrepreneurs First and 3 Others
- Latest Funding Round: Seed, Nov 24, 2025, $*****
3. Iridius
Developer of software for embedding regulatory compliance into automated workflows. This technology transforms regulatory standards into machine-readable logic to coordinate processes across systems. It enables the execution of agentic workflows while maintaining continuous traceability and audit readiness. The system automates compliance enforcement to support validation and submission cycles within regulated environments.
Key facts about Iridius
- Founded Year: 2024
- Location: Seattle (United States)
- Stage: Seed
- Total Funding till date: $8.6M
- Employee Count: 12 as on Jul 31, 2026
- Investors: Osage Venture Partners, Accenture and 2 Others
- Latest Funding Round: Seed, Apr 23, 2026, $*****
4. Vallor
Provider of AI-powered contract management platform. This platform automates tasks, optimizes contracts, and facilitates data-driven decisions to maximize value from purchasing contracts. It offers complete visibility into contract data, transforming scattered information into actionable insights. The platform enables faster document processing and provides instant answers to contract-related questions, helping to identify savings opportunities and mitigate risks. It also automates procurement workflows, freeing up teams to focus on strategic priorities and includes features such as automated reporting and continuous obligation monitoring. The platform prioritizes data security and privacy, adhering to relevant compliance standards.
Key facts about Vallor
- Founded Year: 2023
- Location: Miami (United States)
- Stage: Seed
- Total Funding till date: $4M
- Employee Count: 18 as on Jul 31, 2026
- Investors: Liquid 2 Ventures, Bloomberg Beta and 5 Others
- Latest Funding Round: Seed, Apr 04, 2025, $*****
- Highlight: Editors' Pick

5. Hestus
Hestus is AI-powered CAD software that speeds up hardware development.
Key facts about Hestus
- Founded Year: 2018
- Location: San Francisco (United States)
- Stage: Seed
- Total Funding till date: $2M
- Employee Count: 5 as on Jul 31, 2026
- Investors: Liquid 2 Ventures, Y Combinator and 4 Others
- Latest Funding Round: Seed, Jan 29, 2025, $*****
- Highlight: Editors' Pick
Rock Yard Ventures' Year-on-Year Investment Trends
In 2025, it made 3 investments, while as of Apr 2026, it has made 3 investments in this year. Its most recent first time investment was in Iridius.Rock Yard Ventures' Investments by Stage
Rock Yard Ventures has made 5 investments in Seed stage with an average round size of $4.16M and 1 investment in Series A stage with an average round size of $105M.Stage of entry | No. of Investments |
|---|---|
Seed | 5 |
Series A | 1 |
Note: We have considered here, only first round of investments
Rock Yard Ventures' Investments by Sector
Rock Yard Ventures has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, Industrial Goods and Manufacturing, Artificial Intelligence - Industry Applications and Enterprise Infrastructure. Notably, it has invested in 5 Enterprise (B2B) companies, 5 Tech companies, 4 Software companies and at least 3 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 5 |
High Tech | 2 |
Industrial Goods and Manufacturing | 2 |
Artificial Intelligence - Industry Applications | 1 |
Enterprise Infrastructure | 1 |
Others | 4 |
Note: We have considered here, only first round of investments
Rock Yard Ventures' Investments by Geography
Rock Yard Ventures has made most investments in United States (6).Rock Yard Ventures' recent investments
Rock Yard Ventures has made 3 investments in 2026 so far. Iridius and Sygaldry are the latest among them.Here are the most recent investments by Rock Yard Ventures:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 23, 2026 | United States | Seed | 9974 | [+2] | |
Mar 05, 2026 | United States | Series A | 8944 | [+11] | |
Feb 09, 2026 | United States | Seed | 4493 | [+16] | |
Nov 24, 2025 | United States | Seed | 6281 | [+2] | |
Apr 04, 2025 | United States | Seed | 3012 | [+5] |
Co-investors of Rock Yard Ventures
Over the past year, 43 investors have co-invested in Rock Yard Ventures's portfolio companies. This includes funds and angels.
- Invested before Rock Yard Ventures: Y Combinator has invested before Rock Yard Ventures.
- Top Co-investors of Rock Yard Ventures: 42 investors entered a company along with Rock Yard Ventures. These include investors like Liquid 2 Ventures (3 companies).
Recent News related to Rock Yard Ventures
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Accenture Invests in Iridius to Accelerate Compliance-First AI Adoption in Life SciencesBusiness Wire•Apr 23, 2026•Accenture, Rock Yard Ventures, Chalfen Ventures, Osage Venture Partners and 1 other
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Z Venture Capital invests in Sygaldry for quantum-powered AI data centers.PR TIMES•Apr 15, 2026•Sygaldry, Z Venture Capital, Overmatch, Rock Yard Ventures and 6 others
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Kingdom Holding Acquires $68M Stake in Breakthrough Energy VenturesStartup Scene•Apr 06, 2026•Breakthrough Energy, Kingdom Holding Company, Sygaldry, Overmatch and 11 others
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Interface Raises $3.5M in Seed FundingFinSMEs•Nov 24, 2025•Interface, Rock Yard Ventures, Defy, Precursor Ventures
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Vallor Secures $4M in Seed Funding for AI-Powered Procurement PlatformFinSMEs•Apr 04, 2025•Vallor Administradora de Benefcios, Rock Yard Ventures, El Cap, Liquid 2 Ventures and 2 others
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Vallor raises $4M to advance AI automation for enterprise procurementSiliconAngle•Apr 02, 2025•Vallor Administradora de Benefcios, Dynamo Ventures, Bloomberg Beta, Liquid 2 Ventures and 3 others
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SpaceRyde founder’s startup offers CAD copilotSpaceNews•Jan 30, 2025•Hestus, SpaceRyde, Liquid 2 Ventures, Rock Yard Ventures
