York Space Systems, Inc. (YSS) ownership: Top institutional holder: BlackRock, Inc. ($421.51M). Insider activity: Net Seller (2 buys, 18 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 19012439.00 | $421.51M | 2026-03-31 |
| AE INDUSTRIAL PARTNERS, LP | 11297923.00 | $250.47M | 2026-03-31 |
| Allianz Asset Management GmbH | 2726783.00 | $60.45M | 2026-03-31 |
| Bank of New York Mellon Corp | 1680305.00 | $37.25M | 2026-03-31 |
| Clearbridge Investments, LLC | 1345454.00 | $29.83M | 2026-03-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 1326953.00 | $29.42M | 2026-03-31 |
| VOYA INVESTMENT MANAGEMENT LLC | 1077610.00 | $23.89M | 2026-03-31 |
| UBS Group AG | 1053844.00 | $23.36M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-04-10 | |
| Sell | null | 2026-04-10 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.