# Tolunay Yıldız

> Tolunay Yıldız is a seed investor in Istanbul backing E-Commerce, AgTech and Coffee. See 9 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Istanbul, Turkey
- Total investments: 9
- Last investment: Nov 2023
- Lead investor: 11%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tolunay-yildiz/

Tolunay Yıldız is a seed investor in Istanbul focused on E-Commerce and AgTech. Tolunay Yıldız

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $180k–$750k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| E-Commerce | 2 | 22% |
| AgTech | 1 | 11% |
| Coffee | 1 | 11% |
| Energy | 1 | 11% |
| Farming | 1 | 11% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 5 | 56% |
| Series A | 1 | 11% |
| Funding Round | 1 | 11% |
| Private Equity | 1 | 11% |
| Venture - Series Unknown | 1 | 11% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ion Membranes | Ion membranes is a company that designs and manufactures ion exchange membranes and separators for the green energy industry. Our products are used in batteries, electrolyzers, fuel cells, chlor-alkali facilities, electrodialysis water treatment processes, and other applications that require ionic range separation. | $750K | Seed | Nov 23, 2023 |  |
| Digime | Whether you're a fitness professional, doctor, or even a life coach, Digime3D softwares enables you to extract key body shape and measurements relevant to your industry. | $715K | Venture - Series Unknown | Apr 27, 2022 |  |
| Yollando.com | Yollando.com is a Turkish-based shopping and package forwarding service that facilitates shopping. They offer a variety of services such as Discounted packet forwarding, Buy for me, Package consolidation, Repackaging, Package tracking, Order returns/cancels, and Free storage for orders. They provide lower shipping rates to abroad with discountrates up to 80 percent.Yollando.com was established to contribute to the export of Turkish brands. Apart from shopping consultancy, they are already producing alternative solutions for logistics and product supply to individual persons and companies in Turkey and abroad. | $73K |  | Jul 02, 2020 |  |
| Yollando.com | Yollando.com is a Turkish-based shopping and package forwarding service that facilitates shopping. They offer a variety of services such as Discounted packet forwarding, Buy for me, Package consolidation, Repackaging, Package tracking, Order returns/cancels, and Free storage for orders. They provide lower shipping rates to abroad with discountrates up to 80 percent.Yollando.com was established to contribute to the export of Turkish brands. Apart from shopping consultancy, they are already producing alternative solutions for logistics and product supply to individual persons and companies in Turkey and abroad. | $73K | Private Equity | Jul 02, 2020 |  |
| Digime | Whether you're a fitness professional, doctor, or even a life coach, Digime3D softwares enables you to extract key body shape and measurements relevant to your industry. | $111K | Series A | Jun 18, 2020 |  |
| Digime | Whether you're a fitness professional, doctor, or even a life coach, Digime3D softwares enables you to extract key body shape and measurements relevant to your industry. | $559.2K | Seed | Jun 09, 2020 |  |
| ForFarming | Smart Agriculture for a Healthy Future | $422K | Seed | Nov 20, 2019 |  |
| Kahvegibikahve | Kahvegibikahve started with a crowdfunding campaign to make brewing real coffee easy and available everywhere. With high quality coffee beans and special Fiber Filtre™, your coffee is brewed properly, and without any hassle, you enjoy it. | $180K | Seed | Jul 02, 2019 |  |
| Yollando.com | Yollando.com is a Turkish-based shopping and package forwarding service that facilitates shopping. They offer a variety of services such as Discounted packet forwarding, Buy for me, Package consolidation, Repackaging, Package tracking, Order returns/cancels, and Free storage for orders. They provide lower shipping rates to abroad with discountrates up to 80 percent.Yollando.com was established to contribute to the export of Turkish brands. Apart from shopping consultancy, they are already producing alternative solutions for logistics and product supply to individual persons and companies in Turkey and abroad. |  | Seed |  |  |

9 of 9 investments shown.

## Co-investors
- [Tarvenn Ventures](https://shizune.co/investors/profile/tarvenn) — VC Fund, 6 deals together
- [twozero Ventures](https://shizune.co/investors/profile/twozero-ventures) — VC Fund, 3 deals together
- [GirişimTürk](https://shizune.co/investors/profile/giri%C5%9Fim-t%C3%BCrk) — VC Fund, 2 deals together
- [Keiretsu Forum](https://shizune.co/investors/profile/keiretsu-forum) — VC Fund, 2 deals together
- [Fark Labs](https://shizune.co/investors/profile/difference-labs) — VC Fund, 1 deal together
- [EGIAD Angels](https://shizune.co/investors/profile/egi-ad) — VC Fund, 1 deal together

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## FAQ

### What does Tolunay Yıldız invest in?

Tolunay Yıldız invests primarily in E-Commerce, AgTech and Coffee startups, most often at Seed and Series A stage. Most of the 9 investments tracked by Shizune back companies in Turkey. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Tolunay Yıldız's check size?

Tolunay Yıldız typically joins rounds of $180k–$750k 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 Tolunay Yıldız participates in.

### When did Tolunay Yıldız last invest?

The most recent investment recorded for Tolunay Yıldız closed in Nov 2023. 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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