# Sie Ventures

> Sie Ventures is a VC fund backing Biotechnology and E-Commerce. See 13 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Total investments: 13
- Last investment: May 2026
- Lead investor: 8%
- Last updated: Aug 2026

Sie Ventures is a VC fund focused on Biotechnology and E-Commerce. SIE

## Contacts

5 contacts available for Sie Ventures. Shizune tracks 1 team members at Sie Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/sie?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.1M–$9.5M |
| Pre-Seed | $1.5M–$2.8M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 4 | 31% |
| E-Commerce | 2 | 15% |
| CRM | 1 | 8% |
| SaaS | 1 | 8% |
| Mobile | 1 | 8% |

35 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 8 | 62% |
| Pre-Seed | 2 | 15% |
| Venture - Series Unknown | 2 | 15% |
| Series B | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United Kingdom | 10 | 77% |
| Spain | 1 | 8% |
| France | 1 | 8% |
| Estonia | 1 | 8% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Triin Linamagi | Founding Partner | 3 | https://shizune.co/investors/profile/triin-linamagi |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Zonova | Zonova has developed an antimicrobial additive technology that integrates directly into the polymers used in medical device manufacture, designed to help prevent healthcare-associated infections, a problem affecting roughly 1 in 10 hospital patients worldwide (WHO, 2011). Our patented Z-ROS® chemistry is a non-leaching antimicrobial additive basedon reactive-oxygen-species generation at the polymer surface. It does not use actives, antibiotics or biocides.Z-ROS® is in development for high infection-risk device categories including vascular access devices, orthopaedic implants, urology (connectors, valves, catheters), endotracheal tubes, and pelvic health devices. The intended commercial model is licensing to medical device manufacturers, with masterbatch supply through a contracted compounder. | $2.8M | Seed | May 26, 2026 |  |
| Biographica | Biographica is a computational biology company that develops software tools and platforms to support genomic data analysis, interpretation, and visualization for research and clinical applications. Its solutions are designed to help scientists, clinicians, and bioinformaticians process complex genomic datasets, annotate genetic variants, andexplore biological insights through integrated workflows and interactive visualizations. The company’s platform combines data management, algorithmic analysis, and graphical interfaces to streamline tasks such as sequence alignment, variant calling, functional interpretation, and cohort comparison. Biographica’s tools support interoperability with common bioinformatics formats and pipelines, enabling users to integrate genomic workflows with existing research infrastructure. The company also provides APIs and developer tools to allow custom integration, automation, and extension of analytic capabilities within broader computational environments. Its offerings are used across life sciences research, translational projects, and precision medicine initiatives that require scalable, interpretable genomic data analysis. | $9.5M | Seed | Jan 07, 2026 |  |
| By Rotation | By Rotation is the world's first social fashion rental app. We're transforming the way fashion is consumed by allowing users to share their wardrobes. Do good for the planet, your wardrobe and your wallet at the same time. |  | Venture - Series Unknown | May 02, 2024 |  |
| Fifth Dimension AI | Fifth Dimension AI is to analyze high-value data faster, create better content, and perform performing marketing. | $2.8M | Pre-Seed | Oct 11, 2023 |  |
| Space DOTS | The first modular pico-labs for active in-space testing of advanced materials, from LEO to Cis-lunar and Interplanetary orbits. | $1.5M | Pre-Seed | Jul 21, 2023 |  |
| Grünfin | Grünfin is a sustainable investing platform for people who care about their impact. | $2.2M | Seed | Jan 17, 2023 |  |
| Emm | Emm is developing the next generation of consumer health tools to manage your health on your terms. We want to empower everyone to change the quality of their life by inherently understanding their health though technology and specialist knowledge. | $1.1M | Seed | Nov 28, 2022 |  |
| Rosaly | Rosaly gives you the ability to manage advance payment requests automatically and provide your staff with a financial management tool without having any negative effects on your cash flow.Rosaly is a fintech with real social effect that helps businesses improve the financial well-being of their employees by providing on-demand pay, budgetmanagement, and education through an app. Rosaly was started by Arbia Smiti at the end of 2019. | $7.5M | Seed | Sep 13, 2022 |  |
| Shareback | Shareback creates AI personalization engines that build custom tools for individual team members. |  | Seed | Jun 30, 2022 |  |
| Your Juno | Your Juno is a financial education platform for women and non-binary people. | $2.2M | Seed | Mar 01, 2022 |  |

10 of 13 investments shown.

## Co-investors
- [7percent Ventures](https://shizune.co/investors/profile/7-percent) — VC Fund, 1 deal together
- [Angel Academe](https://shizune.co/investors/profile/angel-academe) — VC Fund, 1 deal together
- [Animal Health Angels](https://shizune.co/investors/profile/animal-health-angels) — VC Fund, 1 deal together
- [Ascension Ventures](https://shizune.co/investors/profile/ascension-ventures) — VC Fund, 1 deal together
- [Ascension](https://shizune.co/investors/profile/ascension-ventures-limited) — VC Fund, 1 deal together
- [Audeo Ventures](https://shizune.co/investors/profile/audeo-ventures) — VC Fund, 1 deal together

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## FAQ

### What does Sie Ventures invest in?

Sie Ventures invests primarily in Biotechnology, E-Commerce and CRM startups, most often at Seed and Pre-Seed stage. Most of the 13 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Sie Ventures's check size?

Sie Ventures typically joins rounds of $1.1M–$9.5M at Seed and $1.5M–$2.8M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sie Ventures participates in.

### How do I contact Sie Ventures?

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 Sie Ventures?

The team at Sie Ventures includes Triin Linamagi (Founding Partner). 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 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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