# JASIKA Holding

JASIKA Holding is a Single Family Office based in Hamburg, Germany.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Hamburg, Germany
- **Region:** Europe
- **Address:** Hamburg, Germany
- **Founded:** 2006
- **Assets under management:** 41 (Altss estimate)
- **Website:** jasika-holding.de
- **LinkedIn:** linkedin.com/company/jasika-holding-gmbh

## Regulatory record

- **Reports private funds:** No

## About

JASIKA Holding was established in 2006 by Mirko Stemmler in Hamburg. The firm functions as the single family office for the Stemmler family. It preserves and deploys capital through property investments and related asset management. The firm allocates across real estate, private equity and infrastructure. Confirmed holdings include the Villa in Berlin-Mitte, Berlin Commercial Portfolio, Enderpark industrial site in Hamburg, BAREFOOT Hotel Timmendorfer Strand and Schkeuditz Logistics Properties. It also maintains exposure in ClimateTech, PropTech and Energy Transition & Renewables. Geographic reach covers Europe with additional activity noted in North America, Asia and the Middle East. Investment stages span development, early stage, late stage and value-add. AUM stands at an estimated 41 million USD. The team remains small with Mirko Stemmler as CEO and principal. Family shareholders Janine Endegrat and Silke Ulbrich-Käferlein each hold approximately 17 percent stakes. No additional offices are recorded. The firm partners with Beyond Real Estate Holding on select Montano Real Estate transactions. Ownership structure ties investment decisions directly to the founding principal and two family shareholders. This setup limits external mandates and keeps governance within the Stemmler family circle.

## Sectors

- ClimateTech
- PropTech
- Energy Transition & Renewables
- FinTech
- EdTech
- Industrial Tech
- Supply Chain & Logistics

## People

- Mirko Stemmler — CEO
- Janine Endegrat — Shareholder
- Silke Ulbrich-Käferlein — Shareholder

## Questions

### Who runs investment decisions at JASIKA Holding?

Mirko Stemmler serves as CEO and principal. He directs acquisitions and portfolio strategy for the firm.

### How does JASIKA Holding source proprietary deal flow?

The firm relies on direct relationships in German real estate markets. It also collaborates with partners such as Beyond Real Estate Holding.

### Does JASIKA Holding participate in fund commitments or only direct deals?

The firm executes direct investments in real estate and select private equity. It also lists fund-of-funds among confirmed investment types.

### What investment stages does JASIKA Holding typically target?

Stages include development, early stage, late stage and value-add. Emphasis remains on real estate value-add opportunities.

### Where does the underlying wealth come from?

Wealth origin remains undisclosed beyond attribution to the Stemmler family.

### What is JASIKA Holding's known posture on co-investments?

The firm co-invests with partners such as Beyond Real Estate Holding on real estate transactions.

## Related profiles

- [Stevard](https://altss.com/profile/stevard)
- [VRD GmbH](https://altss.com/profile/vrd-gmbh)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/jasika-holding

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