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Company

York Space Systems Inc.

Ticker
YSS
Sector
Industry
Report date
March 20, 2026
Valye AI Score

80

Very high visibility
Recent developments
Recent developments summary

Recent news includes insider buying activity reported in early 2026. The company completed its IPO in January 2026 and continues to expand its production capabilities and backlog.

Recent developments:
  • Insider buying activity for York Space Systems was reported on February 4, 2026 [N1].
  • York completed its initial public offering on January 30, 2026, listing on the NYSE under ticker YSS [S1].
  • The company has expanded its production capabilities with a 60,000 square foot facility opened in August 2023, enabling manufacturing and testing of over 1,000 satellites annually [S1].
  • As of December 31, 2025, York had a backlog of approximately $543 million and 107 spacecraft [S1].
Overview

York Space Systems Inc. is a leading U.S. space and defense prime contractor focused on delivering mission-critical spacecraft and software solutions for national security and commercial markets. The company provides a vertically integrated technology stack encompassing spacecraft design, production, integration, and operation, enabling rapid deployment and lifecycle management of satellite constellations. York's spacecraft platforms—S-CLASS, LX-CLASS, and M-CLASS—are modular and share substantial hardware and software commonality, facilitating scalable, cost-effective solutions across a broad range of mission requirements. Proprietary software suites support autonomous mission planning, flight control, and ground operations, integrated with a global network of more than 45 ground antennas. York's business model includes recurring revenue from software and services alongside hardware replacement cycles. The company completed its IPO in January 2026 and maintains a significant backlog of contracts primarily with U.S. government defense customers.

Executive summary

York Space Systems Inc. is a U.S.-based space and defense prime contractor providing vertically integrated spacecraft solutions and software services for national security, government, and commercial customers. The company offers modular spacecraft platforms (S-CLASS, LX-CLASS, M-CLASS) with significant hardware and software commonality to reduce costs and accelerate deployment. York's proprietary software enables autonomous mission planning and operations, supported by a global network of over 45 ground antennas. The company completed its IPO in January 2026 and reported a backlog of approximately $543 million and 107 spacecraft as of December 31, 2025. York faces risks including cost overruns on fixed-price contracts, dependence on U.S. government budgets, supply chain challenges, and a history of net losses. Financial figures (if any) are summarized from the latest available SEC filings and are provided for informational purposes only — not financial advice.

Scenarios for YSS

Bull case model:

York Space Systems offers a comprehensive, vertically integrated solution for national security space missions, combining proprietary spacecraft platforms with advanced autonomous software and a global ground network. Its ability to deliver satellites faster and at lower cost than traditional primes, along with unique capabilities such as Link-16 connectivity from space, positions it well to capture significant market share in a growing defense space sector. The company's expanding backlog and recurring revenue model from software and services support business stability and growth potential. Strategic acquisitions enhance its technology and operational footprint, reinforcing its leadership in rapid, high-volume spacecraft delivery.

Bear case model:

York Space Systems faces risks including reliance on fixed-price contracts that expose it to cost overruns, dependence on U.S. government budgets and contracts concentrated among a few customers, and supply chain challenges including component shortages and price increases. The company has a history of net losses and may not achieve or maintain profitability. Its growth depends on successful management of technological complexity, integration of acquisitions, and retention of key personnel, particularly its CEO. Market competition and evolving technology standards present ongoing challenges. Financial and operational risks could materially affect its business and results.

Moat:

York Space Systems' moat is built on its position as a vertically integrated space and defense prime contractor with proprietary hardware and software capabilities. Its modular spacecraft platforms share significant commonality, reducing costs and development risks. The company's unique demonstration of Link-16 connectivity from space and its autonomous software-enabled services provide differentiated capabilities critical to national security missions. York's extensive flight heritage, global ground antenna network, and ability to deliver satellites at approximately half the price of competitors contribute to its competitive advantage. Its role as a prime contractor with direct U.S. Department of Defense relationships and a growing backlog further strengthen its market position.

Risks overview
Risks summary
York Space Systems' biggest risks stem from contract cost overruns, dependence on concentrated government customers, supply chain challenges, and the need to achieve profitability while managing growth and technological complexity.
Risks details:

• Contract Cost Overruns: Fixed-price contracts expose York to the risk of absorbing excess costs, which could reduce cash flow and profitability.
• Customer and Backlog Concentration: A substantial portion of revenue and backlog is concentrated among U.S. government defense customers, making the company sensitive to government budget and procurement changes.
• Supply Chain Risks: Dependence on limited suppliers and global semiconductor shortages may cause delays, increased costs, and impact production schedules.
• Profitability and Financial Performance: The company has a history of net losses and increasing operating expenses, with no assurance of achieving or maintaining profitability.
• Dependence on Key Personnel: The CEO and founder plays a critical role in strategy and government relationships; loss of key personnel could adversely impact the business.
• Technological and Competitive Risks: Rapid technological change and significant competition require continuous innovation and adaptation to evolving standards.
• Regulatory and Contractual Risks: Government contracts may be terminated at convenience, and compliance with complex regulations is required; failure could impact operations.

FINAL FORECAST FOR YSS

Final take one line
York Space Systems exhibits very high visibility with detailed disclosures on its vertically integrated space solutions, strong government contracts, and associated risks.
Final take 12 to 24 month view

Business trends: Increasing defense spending and geopolitical tensions drive demand for rapid, cost-effective space-based national security solutions.
Execution milestones: Expansion of production capacity, backlog growth to $543 million, and IPO completion establish operational and financial foundation.
Key risks: Contract cost overruns, customer concentration, supply chain constraints, and the challenge of achieving sustained profitability amid technological complexity.

Valye AI Visibility Research Score

Very high visibility

Visibility score reflects the breadth and consistency of available disclosure across SEC filings, recent public reporting, and baseline business context (research-only; not investment advice).

80
LLM visibility overview
LLM Visibility known facts
  • York Space Systems Inc. is a U.S.-based space and defense prime contractor providing mission-critical solutions for national security, government, and commercial customers [S1].
  • York offers a vertically integrated full technology stack including design, production, integration, and operation of spacecraft with turnkey offerings managing spacecraft and constellations throughout their mission lifecycle [S1].
  • The company has flown 74 missions, created 17 products with flight heritage, and logged over four million on-orbit hours [S1].
  • York's spacecraft platforms include S-CLASS (85-200 kg, 2 kW peak power), LX-CLASS (up to 500 kg, 1.5 kW peak power), and M-CLASS (up to ~2,000 kg, 8 kW peak power), sharing significant hardware and software commonality to reduce costs and risks [S1].
  • York is the first and only company to demonstrate Link-16 connectivity from space, a critical military tactical data link network used by the U.S. government and NATO [S1].
  • The company has proprietary software suites for autonomous mission planning, ground operations, and flight control, enabling resilient, low-touch operations and autonomous constellation management [S1].
  • York owns and operates a global network of more than 45 ground antennas, supporting its satellite constellations with robust communication and data downlink capabilities [S1].
  • York's business model includes recurring revenue from satellite-based software and services and hardware replacement cycles, with an expected spacecraft replacement cycle of approximately five to six years [S1].
  • The company has a backlog of approximately $543 million and 107 spacecraft as of December 31, 2025 [S1].
  • York completed its IPO on January 30, 2026, listing on the NYSE under ticker YSS [S1].
  • The company faces risks including cost overruns on fixed-price contracts, dependence on U.S. government budgets and contracts, supply chain challenges, and the need to manage growth and achieve profitability [S1].
  • York has a history of net losses, with net losses of $84.5 million and $98.9 million for the years ended December 31, 2025 and 2024, respectively [S1].
  • The company is highly dependent on its CEO and founder, Dirk Wallinger, whose leadership is critical to its strategy and government relationships [S1].
  • York's industry is characterized by rapid technological change, evolving standards, and significant competition [S1].
  • The company has made acquisitions including Emergent Space Technologies, ATLAS Space Operations, and Orbion Space Technology to expand its capabilities [S1].
  • Recent insider buying activity was reported for YSS as of February 4, 2026 [N1].
  • Financial figures (if any) are summarized from the latest available SEC filings and are provided for informational purposes only — not financial advice [S1].
Sources
Sources - Context summary

Generated 2026-03-20

Sources - Earning calls
Sources - Other context
Sources - SEC Filings
  • S1 | 2026-03-19 | 10-K
Sources - News headlines
  • N1 | 2026-02-04 | www.nasdaq.com | Wednesday 2/4 Insider Buying Report: DXC, YSS | https://www.nasdaq.com/articles/wednesday-2-4-insider-buying-report-dxc-yss
Important legal disclaimer

This material is for informational purposes only and does not constitute investment, financial, legal or tax advice, or an offer or solicitation to buy or sell any security. The Valye AI Score is a model-based estimate derived from public information and is subject to change without notice. No representation or warranty, express or implied, is made as to the accuracy, completeness or fairness of the information herein. Past performance is not indicative of future results. Investors should conduct their own research and consult a qualified financial adviser before making any investment decisions.

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