UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
PURSUANT TO SECTION 12(b) OR (g) OF
THE SECURITIES EXCHANGE ACT OF 1934

Lantheus Holdings, Inc.
(Exact name of registrant as specified in its charter)

 
 	 	 	
Delaware	 	35-2318913	
(State of incorporation or organization)	 	(I.R.S. Employer Identification No.)	

331 Treble Cove Road
North Billerica, Massachusetts	 	01862	
(Address of principal executive offices)	 	(Zip Code)	

Title of each class
to be registered	 	Name of each exchange on which
each class is to be registered	
Common stock, par value $0.01 per share	 	The NASDAQ Stock Market LLC	

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box.   x
If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box.   ¨

Securities Act registration statement file number to which this form relates:	  	 	333-196998	  	
 	  	 	(if applicable)	  	
Securities to be registered pursuant to Section 12(g) of the Act: None

 

Item 1.	Description of Registrant’s Securities to be Registered.	
The securities to be registered hereunder are shares of common stock, par value $0.01 per share (the “Common Stock”), of Lantheus Holdings, Inc. (the “Registrant”). A description of Common Stock is set forth under the heading “Description of Capital Stock” in the Registrant’s prospectus, which constitutes a part of the Registrant’s Registration Statement on Form S-1 (File No. 333-196998), originally filed with the Securities and Exchange Commission on June 24, 2014, as amended by any amendments to such Registration Statement, and by any prospectus subsequently filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, which description is incorporated herein by reference.
 
Item 2.	Exhibits.	
Under the Instructions as to Exhibits with respect to Form 8-A, no exhibits are required to be filed because no other securities of the Registrant are registered on The NASDAQ Stock Market LLC and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

SIGNATURE
Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.
Dated: July 25, 2014

LANTHEUS HOLDINGS, INC.	
 	 	
By:	 	/s/ Michael P. Duffy	
Name:	 	Michael P. Duffy	
Title:	 	Vice President, General Counsel and Secretary