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 *
  TECHNE CORP /MN/
2. Date of Event Requiring Statement (Month/Day/Year)
02/08/2012
3. Issuer Name and Ticker or Trading Symbol
ChemoCentryx, Inc. [CCXI]
(Last)
(First)
(Middle)
614 MCKINLEY PLACE NE
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)

MINNEAPOLIS, MN 55413
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)

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
Series A Preferred Stock   (1)   (1) Common Stock 2,500,000 $ (1) D  
Series B Preferred Stock   (1)   (1) Common Stock 973,418 $ (1) D  
Series C Preferred Stock   (1)   (1) Common Stock 611,574 $ (1) D  
Series D Preferred Stock   (1)   (1) Common Stock 628,574 $ (1) D  
Convertible Promissory Note   (2)   (2) Common Stock 1,021,490 (3) $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
TECHNE CORP /MN/
614 MCKINLEY PLACE NE
MINNEAPOLIS, MN 55413
    X    

Signatures

Thomas E. Oland, CEO 02/08/2012
**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 Issuer's Preferred Stock has no expiration date, is convertible at any time, in whole or in part, at the election of the holder, and will automatically convert upon the closing of the Issuer's initial public offering (the "IPO") at a conversion ratio of one share of Common Stock for every two shares of Preferred Stock, rounded down to the next whole number, for no additional consideration.
(2) The principal amount of the Convertible Promissory Note, plus accrued interest thereon, will automatically convert into shares of Common Stock upon the closing of the IPO at a conversion price of $10.00 per share, the per share amount of the Common Stock being sold in the IPO.
(3) Assumes the IPO closing will occur on or about February 13, 2012.

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