BLACKSTONE INC COM is a security (CUSIP 09260D907) tracked across SEC portfolio filings. 11 institutional managers reported $339.7M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Optiver Holding B.V. | AMSTERDAM, P7 | $143.4M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $76.6M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $34.1M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $34.0M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $24.5M | — |
| Maven Securities LTD | ST HELIER, Y9 | $19.7M | — |
| LANDMARK INVESTMENT PARTNERS, L.P. | WEST PALM BEACH, FL | $7.3M | — |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $32K | — |
| HRT FINANCIAL LP | NEW YORK, NY | $3K | 27,400 |
| Capital Markets Trading UK LLP | LONDON, X0 | $1K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |