Altimeter Capital

Altimeter Capital is a technology-focused investment firm with offices in Menlo Park, California, and Boston, Massachusetts. Founded in 2008, the firm concentrates on technology companies across North America and pursues early-stage investments in the sector.

Jamin Ball

Partner

John Kiernan III

CFO and Partner

Thomas Reiner

Partner

Gwendolyn Umbach

Investor

Kevin Wang

Partner

Ram Woo

Partner

Past deals in Virtualization

Hammerspace

Series B in 2025
Hammerspace is a software-defined data orchestration and storage company that provides a unified, cross-platform file access solution through a Parallel Global File System. This system spans diverse storage types, vendors, locations, and clouds, creating a global namespace that enables direct multi-protocol access to all files regardless of storage or geography. A common metadata layer is shared across users and locations, so files are accessed via a single metadata view rather than duplicated copies. When local processing is needed, instantiation of a file is orchestrated in the background and remains transparent to users. The platform virtualizes and abstracts data from underlying infrastructure, delivering file data as a service to applications and data services, supporting hybrid IT environments with minimal disruption to workloads.
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