# Irongrey

> Irongrey is a VC fund in Seoul backing Energy, E-Commerce and Health Care. See 16 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Seoul, South Korea
- Total investments: 16
- Last investment: Feb 2024
- Lead investor: 6%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/irongrey

Irongrey is a global investment firm that empowers entrepreneurs in building innovative and disruptive businesses. Irongrey invests in venture capital and PE funds. Irongrey was founded in 2012 and was headquartered in Seoul, Korea.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3.6M–$10M |
| Series A | $17M–$41M |
| Series B | $24M–$78M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 2 | 13% |
| E-Commerce | 2 | 13% |
| Health Care | 2 | 13% |
| Machine Learning | 2 | 13% |
| Artificial Intelligence | 2 | 13% |

45 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 19% |
| Series A | 3 | 19% |
| Series B | 3 | 19% |
| Series C | 2 | 13% |
| Series D | 2 | 13% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 10 | 63% |
| Brazil | 1 | 6% |
| Indonesia | 1 | 6% |
| Singapore | 1 | 6% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ascend Elements | Ascend Elements manufactures advanced battery materials using valuable elements reclaimed from spent lithium-ion batteries. It uses hydro process recycling and direct recycling that takes old cathode material down to the atomic level to create new cathode materials. It also helps clients to have maximum return on assets to economically driverecycling and low-cost battery materials.The company was founded in 2015. | $162M | Series D | Feb 20, 2024 |  |
| Modern Hydrogen | Modern Electron is a breakthrough energy technology company. Their mission is to provide affordable electricity to anyone, anywhere, anytime. | $32.8M | Series B | Mar 28, 2023 |  |
| Estoca | Estoca is a decentralized Fulfillment-as-a-Service for multi-channel businesses, allowing them to seamlessly deliver goods in less than 2 days in the main Brazilian cities, with hassle-free setup. We combine our network of warehouses with a prediction algorithm that allocates goods closer to customers. | $6.1M | Venture - Series Unknown | Feb 15, 2023 |  |
| Juvena Therapeutics | Juvena Therapeutics is a venture-backed biopharma startup discovering novel protein-based therapeutics that promote tissue regeneration in the elderly and treat various age-related diseases. | $41M | Series A | Nov 08, 2022 |  |
| Canvas Medical | Canvas Medical is a healthcare platform that supports independent primary care practices. The platform streams clinical data from practices to health plans at an unprecedented level of granularity. For practices, Canvas incorporates claims data from health plans directly into practice management and charting workflows. | $24M | Series B | Jul 14, 2022 |  |
| Replicant | Replicant is an AI voice technology that solves problems over the phone, improves customer experience, and reduces cost. Replicant was founded on the belief that machines are ready to have useful, complex conversations that will transform the way they interact with the world. The company's initial focus was making Replicant listen closely,think quickly, take actions, and reply fast enough to be conversational. The brain needed to understand complex and colloquial speech patterns and interpret slang and humor. Piece by piece we built elegant tools that allowed Replicant to listen, think, speak, act, and interact with the world. | $78M | Series B | Apr 25, 2022 |  |
| Homebound | Homebound is a custom homebuilder that makes building the perfect home simple, transparent and human. Born out of the 2017 Northern California wildfires, Homebound was created by a local team of construction, real estate, design and technology experts who set out to create a better homebuilding solution for friends, family and neighbors affected.Homebound is the first homebuilder to manage the entire building process for homeowners and support them every step of the way — from insurance negotiation and architecture all the way to permitting, construction and move-in. Through easy-to-use technology and a network of vetted building experts, Homebound is simplifying the rebuilding process and alleviating the stress, complexity and uncertainty homeowners face after a natural disaster. | $75M | Series C | Feb 15, 2022 |  |
| Grow Commerce | Grow Commerce offer fair and flexible valuation for brand owners to sell their business, allowing them to cash out and achieve their desired financial goals sooner. | $7M | Seed | Feb 15, 2022 |  |
| Modern Hydrogen | Modern Electron is a breakthrough energy technology company. Their mission is to provide affordable electricity to anyone, anywhere, anytime. | $30M | Series B | Dec 03, 2021 |  |
| Drip Capital | Drip Capital offers trade financing product targeted towards SMEs in developing markets. Its automated risk assessment model allows rapidly growing SMEs quick and easy access to finance. With a focus on technology, Drip aims to eliminate the hassle of paperwork and bureaucracy and create a seamless borrowing experience for its clients.The companyconsists of a team of financial consultants, engineers and analysts from Wharton, Stanford, and IITs with years of experience at Standard Chartered, Black Rock and Yahoo. They are backed by leading Silicon Valley investors - Y Combinator and StartX. They are always eager to connect with sharp minds to grow within their quest to becoming the future of global trade finance.Drip Capital was founded in 2015 and is headquartered in Palo Alto, California. | $40M | Series C | Oct 28, 2021 |  |

10 of 16 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 2 deals together
- [Big Idea Ventures](https://shizune.co/investors/profile/big-idea-ventures) — VC Fund, 2 deals together
- [Boom Capital Ventures](https://shizune.co/investors/profile/boom-capital-ventures) — VC Fund, 2 deals together
- [CJ CheilJedang Corp.](https://shizune.co/investors/profile/cj-cheiljedang-corp) — VC Fund, 2 deals together
- [IA Ventures](https://shizune.co/investors/profile/ia-ventures) — VC Fund, 2 deals together

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## FAQ

### What does Irongrey invest in?

Irongrey invests primarily in Energy, E-Commerce and Health Care startups, most often at Seed and Series A stage. Most of the 16 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 Irongrey's check size?

Irongrey typically joins rounds of $3.6M–$10M at Seed, $17M–$41M at Series A and $24M–$78M 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 Irongrey participates in.

### When did Irongrey last invest?

The most recent investment recorded for Irongrey closed in Feb 2024. Shizune tracks 16 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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