York Space Systems (YSS) Stock Analysis

What York Space Systems does

York Space Systems, Inc. operates as a space and defense prime providing a comprehensive suite of mission-critical solutions for national security, government and commercial customers in the United States. It provides space and defense primes with proprietary hardware and software capabilities designed to address customers’ requirements across the elements of the space ecosystem throughout the mission lifecycle. The company also engages in the design, production, integration, and operation of spacecraft to manage spacecraft and constellations. It offers S-CLASS, LX-CLASS, and M-CLASS spacecraft, which are satellite platforms to a range of space market needs. In addition, the company provides software that enables versatile integration of a variety of payloads for customers and supply chain commonalities across platforms, as well as software-enabled services. The company was formerly known as Yellowstone Midco Holdings II, LLC and changed its name to York Space Systems, Inc. in January 2026. York Space Systems, Inc. was founded in 2012 and is based in Greenwood Village, Colorado.

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Frequently asked questions

What is the ticker symbol for York Space Systems?

York Space Systems trades under the ticker YSS on NYSE.

Which exchange is YSS listed on?

YSS is listed on NYSE.

What sector does York Space Systems operate in?

York Space Systems is classified in the Industrials sector (Aerospace & Defense industry).

How can PortView help analyze YSS in a portfolio?

PortView shows YSS's weight in your portfolio, its contribution to return and risk, sector exposure, indirect exposure through ETFs you own, and correlation with your other holdings.