Loom Ventures

Profile

Loom Ventures is a venture capital firm based in Vienna, Austria, established in 2026 as the corporate venture capital arm of STRABAG, a major European infrastructure group. The firm is led by Ilja Aizenberg, a deep-tech investor with a background in semiconductor physics, and Toba Spiegel, who has extensive experience in early- to growth-stage ventures. Loom Ventures focuses on investing in InfraTech, aiming to support the development of autonomous, capable, and resilient infrastructure systems.

The firm targets early-stage investments, specifically at the seed and Series A stages, with typical check sizes ranging from €1 million to €5 million. Loom Ventures is committed to the European market, leveraging its strategic partnership with STRABAG to provide unique industry access and domain expertise to its portfolio companies. The fund has a total size of €100 million, dedicated to advancing infrastructure technologies across digital, energy, and industrial sectors.

Notable investments by Loom Ventures include Hyperdev, a company in the IT consulting and outsourcing industry. The firm is actively seeking new investments in companies that are building the next generation of infrastructure, emphasizing the integration of digital and physical systems to enhance operational efficiency and resilience.