Stone Bridge Ventures
VC Fund
Seoul, South Korea
Stone Bridge Ventures is a VC fund in Seoul focused on Artificial Intelligence and Software. Stone Bridge Ventures invests in entrepreneurs with bold ideas that improve and expand people's lives, industries, and markets. They provide professional assistance and a network of contacts geared towards businesses in order to help them expand.
- Total investments:
- 101
- Last investment:
- Lead investor:
- 25%
- Fund size:
- $138M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Stone Bridge Ventures invests in
Stages Stone Bridge Ventures invests in
Countries Stone Bridge Ventures invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1.6M–$10M
- Series A
- $2.5M–$18M
- Series B
- $2.7M–$22M
Investment Focus
Industry
- Artificial Intelligence 20 (20%)
- Software 18 (18%)
- Information Technology 13 (13%)
- Health Care 8 (8%)
- Biotechnology 8 (8%)
Stage
- Seed 28 (28%)
- Series A 28 (28%)
- Series B 19 (19%)
- Series C 5 (5%)
- Funding Round 5 (5%)
Country
- South Korea 68 (67%)
- United States 6 (6%)
- South Africa 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Jacob Seid
Founder and Managing Director
|
Founder and Managing Director | Total investments: 36 | Find email | |
|
Park Seon-jae
Judge
|
Judge | Total investments: 3 | Find email | |
Son Ho-jun
Senior Managing Director
|
Senior Managing Director | Total investments: 1 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| OQT is focusing on developing QPUs utilizing neutral atoms. | $10.4M / Seed / Oct 15, 2026 | ||
| Viralpick provides IT services for organizations including data analysis, automation, acquisition, and advertising services. | $37.1M / Series C / Sep 17, 2026 | ||
| Airability is a developer for potential airline mobility solutions. | $4.7M / Series A / Sep 01, 2026 | ||
| Nums AI is a single foundation model that predicts across commerce, healthcare, finance, manufacturing, and defense. | $2.7M / Seed / Jul 20, 2026 | ||
| Argos Identity is an identity verification service provider. Identify Anyone Anywhere Anytime. | $3M / Seed / Jul 15, 2026 | ||
| QMIT provides coaching includes nutrition, mental management, and career counseling. | $2.7M / Series B / Jun 16, 2026 | ||
| Intergravity is a company that is developing orbital transportation technologies to support the future of in-space activity. Intergravity is to enable a space environment in which mobility, service, and logistics are seamlessly integrated, creating the framework for long-term operations beyond Earth. | $5.4M / Seed / Apr 13, 2026 | ||
| MOBILTECH is an AI-based 3D GIS startup. The company is developing a 3D spatial scanner that replicates space to supply 3D spatial information and software solutions for smart cities. It specializes in immersive digital twin and LiDAR technology. Its digital twin data is compatible with NVIDIA Omniverse and Unreal Engine. | $8.9M / Venture - Series Unknown / Feb 05, 2026 | ||
| Holiday Robotics is a robotics company that specializes in the development and commercialization of humanoid robots with sophisticated robotic hands. | $102.1M / Series A / Dec 08, 2025 | ||
| DAIM Research is an AI-based automation system solution company that provides logistics automation solutions. | $14.9M / Series B / Nov 20, 2025 | ||
| See all 101 investments → | |||
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FAQ
What does Stone Bridge Ventures invest in?
Stone Bridge Ventures invests primarily in Artificial Intelligence, Software and Information Technology startups, most often at Seed and Series A stage. Most of the 101 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Stone Bridge Ventures invest in?
Stone Bridge Ventures typically joins rounds of $1.6M–$10M at Seed, $2.5M–$18M at Series A and $2.7M–$22M at Series B. These are whole funding-round sizes, not Stone Bridge Ventures's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Stone Bridge Ventures took part in.
How do I contact Stone Bridge Ventures?
Public channels for Stone Bridge Ventures include LinkedIn 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.
Who are the partners at Stone Bridge Ventures?
The team at Stone Bridge Ventures includes Jacob Seid (Founder and Managing Director), Park Seon-jae (Judge) and Son Ho-jun (Senior Managing Director). The Team section lists each member with their title, investment count and links.
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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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