QTS Realty Trust, Inc. Stock: price and management transactions · United States · SEC (Form 4)

About QTS Realty Trust, Inc.

QTS Realty Trust, Inc. (ticker: QTS) is a U.S.-based digital infrastructure company focused on data centers. It has historically been associated with the NYSE, and it became a closely watched asset in the public markets before Blackstone took the company private in 2021. For investors analyzing SEC Form 4 insider activity, QTS is therefore best understood as a former listed company whose operating footprint and market relevance remain important even after the ownership change. The company was founded in the early 2000s by Chad Williams, beginning with a single data center in Overland Park, Kansas, and its headquarters history remains tied to that area in the United States. QTS now serves customers across the United States and Europe, with major operating presence in Northern Virginia, Dallas, Chicago, Oregon, New Jersey, and the Netherlands. ([q.com](https://q.com/news/qts-taps-lumen-to-connect-the-next-generation-of-ai-data-centers/?utm_source=openai)) QTS’s core business is designing, building, and operating large-scale data centers. Its service mix includes colocation, custom infrastructure solutions, connectivity, and managed services for hyperscale technology companies, enterprises, and government entities. The company’s value proposition centers on secure, compliant, highly available infrastructure with the ability to scale quickly as customer demand increases. QTS also emphasizes a software-defined operating platform, which supports more tailored infrastructure management than a conventional real estate owner-operator model. In competitive terms, QTS sits among the leading data center operators, competing with global peers such as Equinix, Digital Realty, and CoreSite. Its positioning is particularly relevant as demand accelerates for cloud capacity, AI workloads, and low-latency processing close to end users. ([q.com](https://q.com/?utm_source=openai)) From an investor perspective, QTS is a structural beneficiary of digitalization, AI infrastructure spending, and the growing reliance of large technology and public-sector clients on mission-critical compute and storage. A notable recent development was the expanded strategic partnership announced with Lumen Technologies in October 2025, which is designed to connect 16 new QTS campuses across the U.S. to a high-capacity fiber backbone built for AI, cloud, and hyperscale growth. Recent disclosures and company announcements also point to ongoing campus development and expansion activity in the United States, reinforcing QTS’s growth profile through organic buildout and phased commissioning. Overall, QTS remains a recognizable North American data center platform with a strong competitive moat built on scale, power access, connectivity, and customer trust. ([q.com](https://q.com/news/qts-taps-lumen-to-connect-the-next-generation-of-ai-data-centers/?utm_source=openai))