YSS: York Space Systems Inc insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-1413G amendmentAeroEquity GP, LLC23.96%SEC

Institutional ownership (Q2 2026)

162 institutions reported holding $1.58B of York Space Systems Inc on Form 13F (140 the quarter before). 59 opened a new position and 36 sold out. Shares held by institutions: +5%.

Largest holdersSharesValue
BlackRock, Inc.19,212,689$473.02M
AE INDUSTRIAL PARTNERS, LP11,728,057$288.74M
Allianz Asset Management GmbH2,726,783$67.13M
Hood River Capital Management LLC1,963,942$48.35M
Tema ETFs LLC1,904,718$46.89M
Tidal Investments LLC1,843,269$45.38M
WESTWOOD HOLDINGS GROUP INC1,736,906$42.76M
VOYA INVESTMENT MANAGEMENT LLC1,618,318$39.84M
UBS Group AG1,512,752$37.24M
STATE STREET CORP1,433,938$35.30M

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