# Top 5 Mobile Advertising Startup Investors in Hungary in September 2026

## Hiventures
- Type: VC Fund
- Location: Budapest, Budapest, Hungary
- Relevant deals: 3
- Stages: Pre-Seed, Seed, Series A
- Focus: Software, Information Technology, Manufacturing

As one of the largest and most active venture capital fund partners in Central and Eastern Europe our mission is to create new ways of equity funding for innovative small and medium-sized enterprises with high growth potential as well as more traditional businesses for the purpose of establishing a sustainable and competitive SME and enterpriseecosystem both in Hungary and in the region

## Day One Capital
- Type: VC Fund
- Location: Budapest, Budapest, Hungary
- Relevant deals: 1
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Artificial Intelligence, Information Technology

We are an early-stage technology investor, managing privately financed funds.  We seek to find and join the most exciting Central Eastern European teams on their global mission.

## Portfolion
- Type: VC Fund
- Location: Budapest, Budapest, Hungary
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Software, Information Technology, Artificial Intelligence

Portfolion is a CEE-focused multi-stage investor with a flexible fund structure that allows it to back companies from or before 1st client until the end of their journey. The fund manager has backed some of the CEE region’s most successful companies including SEON, Novakid, Tresorit, Packhelp, and Starschema.

## Széchenyi Capital Fund Management
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Information Technology, Software, Education

Széchenyi Capital Fund Management, a state-owned investment company, finances micro-, small- and medium-sized companies in Hungary.

## Béla Csiszér
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Internet, Software, Customer Service

Béla Csiszér

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co