York Space Systems Inc. (YSS)
GUIDED MISSILES & SPACE VEHICLES & PARTS
York Space Systems Inc. (YSS) is listed on the New York Stock Exchange, where it has traded since January 29, 2026.
- Listed On
- the New York Stock Exchange
- Listed Since
- January 29, 2026
- Employees
- 710
- Market Cap
- $905M
About York Space Systems Inc.
York Space Systems Inc is a U.S.-based space and defense company that provides mission-related solutions for national security, government, and commercial customers. The company develops its own hardware and software, offering capabilities intended to support customer requirements across various elements of the space mission lifecycle. It offers mission solutions across several complementary product categories: Components, Subsystems, Spacecraft Platforms, Ground Operation, Global Downlink, and Software-Enabled Services. The company derives the majority of revenue from long-term firm-fixed-price (FFP) production contracts for the design of small satellites, launch services, and ground services with both U.S. federal government-controlled agencies and domestic commercial customers.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 157 institutions reported holding YSS, with 61.2 million shares worth $1.5 billion in aggregate. The largest reported holder was BlackRock, with 19.2 million shares worth $473.0 million. Of the 5 largest holders listed below, 4 added shares and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 19,212,689 | $473M | Added 1.05% |
| AE Industrial Partners | 11,728,057 | $289M | Added 3.81% |
| Allianz Asset Management GMBH | 2,726,783 | $67M | Unchanged |
| Hood River Capital Management | 1,963,942 | $48M | Added 98.68% |
| Vanguard | 1,809,098 | $45M | Added 2.56% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is YSS?
York Space Systems Inc. (YSS) is listed on the New York Stock Exchange, where it has traded since January 29, 2026.
Who are the largest institutional holders of YSS?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of YSS were BlackRock, AE Industrial Partners and Allianz Asset Management GMBH.
How many institutions own YSS?
157 institutions reported a position in YSS for the quarter ended June 30, 2026, worth $1.5 billion in total.
Did institutions buy or sell YSS last quarter?
Of the 5 largest reported holders, 4 added shares and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for YSS.
Every reported institutional holder, plus insider and congressional trades in YSS, on SentiSense.