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CUSIP No. 05455M100 | | 13D | | Page 17 of 24 Pages |
Schedule 13D
Item 1. Security and Issuer.
This Amendment No. 1 (“Amendment No. 1”) to the statement on Schedule 13D amends and supplements the statement on Schedule 13D originally filed on July 5, 2018 (the “Original 13D”) relating to the Common Stock, par value $0.0001 per share (the “Common Stock”), of Avrobio, Inc. (the “Issuer”). The address of the principal executive offices of the Issuer is One Kendall Square, Building 300, Suite 201, Cambridge, MA 02139.
This Amendment No. 1 is being filed in connection with the acquisition by The Blackstone Group L.P. and certain of its affiliates (“Blackstone”) of Clarus Ventures, LLC and certain of its affiliates (collectively, “Clarus”). On January 4, 2019, Blackstone integrated the Clarus business into Blackstone (the “Clarus Integration”). As a result of such integration, Blackstone may be deemed to have become the beneficial owner of the securities beneficially owned by Clarus, including the securities of the Issuer.
Certain terms used but not defined in this Amendment No. 1 have the meanings assigned thereto in the Original 13D. Except as specifically provided herein, this Amendment No. 1 does not modify any of the information previously reported on the Original 13D.
Item 2. Identity and Background.
This statement is being filed by:
(a) Clarus Lifesciences III, L.P. (the “Fund”);
(b) Clarus Ventures III GP, L.P. (“Clarus GP”), which is the sole general partner of the Fund;
(c) Blackstone Clarus III L.L.C., which is the sole general partner of Clarus GP, Blackstone Holdings II L.P., which is the sole member of Blackstone Clarus III L.L.C., Blackstone Holdings I/II GP Inc., which is the sole general partner of Blackstone Holdings II L.P., The Blackstone Group L.P., which is the controlling shareholder of Blackstone Holdings I/II GP Inc., and Blackstone Group Management L.L.C. (collectively, with Blackstone Clarus III L.L.C., Blackstone Holdings II L.P., Blackstone Holdings I/II GP Inc. and The Blackstone Group L.P., the “Control Entities”), which is the sole general partner of The Blackstone Group L.P. and which is wholly-owned by Blackstone’s senior managing directors and controlled by its founder, Stephen A. Schwarzman; and
(d) Clarus Ventures III, LLC (“Clarus GP LLC”) and Robert Liptak, Nicholas Simon, Nicholas Galakatos, Dennis Henner, Kurt Wheeler and Scott Requadt (together, the “Managing Directors”, and collectively with Clarus GP LLC, the “Clarus Persons”). The Managing Directors are the members of Clarus GP LLC. Clarus GP LLC is the former general partner of Clarus GP.
The persons named in this Item 2 are referred to individually herein as a “Reporting Person” and collectively as the “Reporting Persons.” The Reporting Persons have entered into a Joint Filing Agreement, dated as of the date hereof, a copy of which is filed with this Schedule 13D asExhibit 99.1 (which is incorporated herein by reference), pursuant to which the Reporting Persons have agreed to file this statement jointly in accordance with the provisions of Rule13d-1(k) under the Act.
The address of the principal business office of the Fund, Clarus GP and each of the Clarus Persons other than Mr. Requadt is Clarus Ventures, 101 Main Street, Suite 1210, Cambridge, MA 02142. The address of the principal business office of Mr. Requadt is 15 Lewis Path, Wayland, MA 01778. The address of the principal business office of each of the Control Entities and Mr. Schwarzman is c/o The Blackstone Group L.P., 345 Park Avenue, New York, NY 10154.