YORK SPACE SYSTEMS INC COM is a security (CUSIP 987084900) tracked across SEC portfolio filings. 3 institutional managers reported $1.3M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $913K | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $377K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $2K | — |