Blackstone converted from a publicly traded partnership to a corporation on
July 1, 2019. Shareholders who owned shares of BX prior to July 1, 2019 can
view their annual K-1 tax forms with respect to those shares at Partner
Datalink’s website here, and can also find contact information for additional K-1 related questions.
IRS Form 8937 related to the conversion is now available
here.
IRS Notice 2019-46 and Notification is now available
here.