Investor Blackstone Holdings I/II GP L.L.C.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Blackstone Holdings I/II GP L.L.C. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-22 13D/A 9,109,569
2025-08-08 13G/A LOAR / Loar Holdings Inc. 12,811,449 7,683,405
2025-07-18 13D/A 5,972,314
2025-06-27 13D 4,782,781
2025-05-02 13D 1,666,666
2024-11-12 13G LOAR / Loar Holdings Inc. 12,811,449
2024-02-09 13G/A PRAX / Praxis Precision Medicines, Inc. 70,273
2024-02-09 13G/A ET / Energy Transfer LP - Limited Partnership 160,737,127 149,380,392
2023-12-04 13D/A GRTX / Galera Therapeutics, Inc. 2,274,605 2,289,605
2023-02-09 13G/A ET / Energy Transfer LP - Limited Partnership 171,553,052 160,737,127
2023-02-09 13D GRTX / Galera Therapeutics, Inc. 1,706,408 2,274,605
2022-02-11 13G ET / Energy Transfer LP - Limited Partnership 133,615,682 171,553,052
2022-02-11 13G/A GRAY / Graybug Vision Inc 1,930,395 0
2022-02-11 13G/A PRAX / Praxis Precision Medicines, Inc. 8,501,487 4,894,109
2022-02-11 13G/A GRTX / Galera Therapeutics, Inc. 1,687,224 1,706,408
2021-02-16 13G GRAY / Graybug Vision Inc 1,930,395
2021-02-16 13G PRAX / Praxis Precision Medicines, Inc. 8,501,487
2021-02-16 13G/A GRTX / Galera Therapeutics, Inc. 1,687,224
2021-02-16 13G/A ET / Energy Transfer LP - Limited Partnership 184,731,265 133,615,682
2020-04-29 13G ET / Energy Transfer LP - Limited Partnership 184,731,265