FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * BIOTECH GROWTH N V   2. Issuer Name and Ticker or Trading Symbol Radius Health, Inc. [RDUS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) SNIPWEG 26 3. Date of Earliest Transaction (Month/Day/Year) 06/06/2014 (Street) CURACAO,  00000 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 06/06/2014   C   589,290 A (2) 589,290 D   Common Stock 06/06/2014   C   428,459 A (2) 1,017,749 D   Common Stock 06/06/2014   C   500,029 A (2) 1,517,778 D   Common Stock 06/06/2014   J   187,262 A (3) 1,705,040 D   Common Stock 06/06/2014   P   1,000,000 A $ 8 2,705,040 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Series A-1 Convertible Preferred Stock

(2)

06/06/2014

C

122,820

(2)

(2)

Common Stock

589,290

$ 0

0

D

Series B Convertible Preferred Stock (1)

(2)

06/06/2014

C

97,688

(2)

(2)

Common Stock

428,459

$ 0

0

D

Series B-2 Convertible Preferred Stock (1)

(2)

06/06/2014

C

65,125

(2)

(2)

Common Stock

500,029

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BIOTECH GROWTH N V SNIPWEG 26 CURACAO 00000		X
BB BIOTECH AG VORDERGASSE 3 SCHAFFHAUSEN, V8 8200		X

Signatures

/s/ Michael Hutter Signatory Authority for Biotech Growth N.V. and BB Biotech AG		06/12/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Biotech Growth N.V. is a wholly-owned subsidiary of BB Biotech AG. Accordingly, BB Biotech AG may be deemed to be the indirect beneficial owner of the securities of Radius Health, Inc. held directly or indirectly by Biotech Growth N.V. This Form 4 is filed jointly by BB Biotech AG and Biotech Growth N.V.
(2)	The Series A-1 Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.798-for-1 basis upon the listing of the Issuer's Common Stock on a national securities exchange and had no expiration date. The Series B Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 4.386-for-1 basis upon the listing of the Issuer's Common Stock on a national securities exchange and had no expiration date. The Series B-2 Convertible Preferred Stock automatically converted into the Issuer's Common Stock on a 7,678-for-1 basis upon the listing of the Issuer's Common Stock on a national securities exchange and had no expiration date.
(3)	In connection with the listing of the Issuer's Common Stock on a national securities exchange, the Issuer issued shares of its Common Stock to certain of its preferred stock holders in satisfaction of accumulated and unpaid dividends.

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