Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Caduceus Private Investment III LP
 2. Date of Event Requiring Statement (Month/Day/Year)
06/08/2007		 3. Issuer Name and Ticker or Trading Symbol
BTHC VI Inc [BVIC]
(Last)
(First)
(Middle)
767 THIRD AVE 30TH FLOOR		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10017		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 2,971,698
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Director stock option (right to purchase)   (1) 06/08/2012 Common Stock (2) 74,292 $ 5 D  
Warrant (right to purchase) 06/08/2007 06/08/2012 Common Stock (3) 742,925 $ 6 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Caduceus Private Investment III LP
767 THIRD AVE 30TH FLOOR
NEW YORK, NY 10017		     X    

Signatures

/s/ Caducueus Private Investments III, LP 06/12/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) The option vests 50%/25%/25% over three years in quarterly increments.
(2) The options were granted to Michael B. Shefferly, a Director of the Issuer. Mr. Sheffery is also a partner of OrbiMed Capital GP III LLC, which is the General Partner of Caduceus Private Investments III, LP. Mr. Sheffery is obligated to transfer any shares issued under the options to Caduceus Private Investments III, LP.
(3) For each share of common stock of the issuer purchased, the purchaser also received a warrant to purchase .25 shares of common stock.

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