The corporate-backed fund has had a busy week, as it provided early-stage funding, while also existing through a buyback and an acquisition.

High-Tech Gruenderfonds (HTGF), the state-backed fund that counts several Germany-based corporates among its limited partners, has invested in three companies and exited two more.

HTGF and venture capital firm Target Partners invested an undisclosed seven-figure euro amount in Quobyte, a US-based developer of software-defined storage system for Linux servers that has research and development facilities in Berlin.

Medineering, a Munich-based developer of assistive systems for head surgery, has also secured funding from HTGF, which invested alongside Bayern Kapital, Born2Grow and…