York Space Systems Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:YSS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
30 Jan 26	BuyUS$99,994	Tamara Erwin	Individual	2,941	US$34.00
30 Jan 26	BuyUS$49,980	Tyler Letarte	Individual	1,470	US$34.00
30 Jan 26	BuyUS$25,585,000	BlackRock, Inc.	Company	752,500	US$34.00

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of YSS?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	13,258,007	10.2%
VC/PE Firms	28,383,022	21.9%
General Public	35,533,440	27.4%
Institutions	52,519,989	40.5%

Dilution of Shares: YSS only recently listed within the past 12 months

Top Shareholders

Top 25 shareholders own 61.77% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
21.9%	AE Industrial Partners, LP	28,383,022	US$785.6m	0%	29.43%
14.7%	BlackRock, Inc.	19,012,439	US$526.3m	0%	0.01%
8.61%	Dirk Wallinger	11,168,593	US$309.1m	0%	no data
2.1%	Pacific Investment Management Company LLC	2,726,783	US$75.5m	0%	0.19%
1.29%	BNY Asset Management	1,678,152	US$46.5m	0%	0.01%
1.04%	ClearBridge Investments, LLC	1,345,454	US$37.2m	0%	0.03%
1.02%	Wellington Management Group LLP	1,326,953	US$36.7m	0%	0.01%
0.83%	Voya Investment Management LLC	1,077,610	US$29.8m	0%	0.03%
0.81%	UBS Asset Management AG	1,053,844	US$29.2m	0%	no data
0.76%	Hood River Capital Management LLC	988,510	US$27.4m	0%	0.23%
0.75%	Granahan Investment Management, LLC	967,610	US$26.8m	0%	1.07%
0.73%	Citadel Advisors LLC	947,893	US$26.2m	0%	0.02%
0.71%	Kevin Messerle	917,437	US$25.4m	0%	no data
0.65%	Vanguard Capital Management, LLC	839,464	US$23.2m	0%	no data
0.63%	Lord, Abbett & Co. LLC	817,976	US$22.6m	0%	0.07%
0.61%	Tidal Investments LLC	796,077	US$22.0m	0%	0.06%
0.61%	Vanguard Portfolio Management, LLC	787,414	US$21.8m	0%	no data
0.56%	Allspring Global Investments, LLC	732,251	US$20.3m	0%	0.03%
0.54%	Artisan Partners Limited Partnership	705,746	US$19.5m	0%	0.01%
0.52%	Monica Palko	680,593	US$18.8m	0%	no data
0.52%	Burkehill Global Management, LP	668,705	US$18.5m	0%	0.86%
0.5%	ArrowMark Colorado Holdings, LLC	648,504	US$18.0m	0%	0.45%
0.48%	Columbia Management Investment Advisers, LLC	622,896	US$17.2m	0%	no data
0.48%	Daiwa Asset Management Co., Ltd.	622,792	US$17.2m	0%	0.01%
0.46%	ExodusPoint Capital Management, LP	593,122	US$16.4m	0%	0.16%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/10 04:00
End of Day Share Price	2026/06/10 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

York Space Systems, Inc. is covered by 11 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Peter Arment	Baird
Austin Moeller	Canaccord Genuity
John Godyn	Citigroup Inc