UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities and Exchange Act of 1934 NetQin Mobile Inc. ------------------------------------------------------------------ (Name of Issuer) American Depository Shares, each ADS represents five class A common shares, par value $0.0001 per share. ------------------------------------------------------------------ (Title of Class of Securities) 64118U108 ------------------------------------------------------------------ (CUSIP Number) June 30, 2011 ------------------------------------------------------------------ (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1 (b) [ ] Rule 13d-1 (c) [ ] Rule 13d-1 (d) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes.) CUSIP NO. 64118U108 13G 1 Name of Reporting Person / IRS Identification Number: Piper Jaffray Companies / 30-0168701 ------------------------------------------------------------------ 2 Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] ------------------------------------------------------------------ 3 SEC Use Only ------------------------------------------------------------------ 4 Citizenship or Place of Organization Delaware ------------------------------------------------------------------ Number of 5 Sole Voting Power Shares 1,107,482 Shares ----------------------------------------------- Beneficially 6 Shared Voting Power Owned By 0 Shares ----------------------------------------------- Each 7 Sole Dispositive Power Reporting 1,107,482 Shares ----------------------------------------------- Person 8 Shared Dispositive Power With 0 Shares ------------------------------------------------------------------ 9 Aggregate Amount Beneficially Owned by Each Reporting Person 1,107,482 Shares (See Exhibit A) ------------------------------------------------------------------ 10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ] ------------------------------------------------------------------ 11 Percent of Class Represented by Amount in Row (9) 14.29% ------------------------------------------------------------------ 12 Type of Reporting Person HC ------------------------------------------------------------------ Item 1 (a) Name of Issuer: NetQin Mobile Inc. Item 1 (b) Name of Issuer's Principal Executive Offices: No 4 Bldg 11 Heping Li East St Dongcheng District Beijing, 100013 China Item 2 (a) Person Filing: Piper Jaffray Companies Item 2 (b) Address: 800 Nicollet Mall Suite 800 Minneapolis, MN 55402 Item 2 (c) Citizenship: Piper Jaffray Companies is a Delaware Corporation Item 2 (d) Title of Class of Securities: American Depository Shares, each ADS represents five Class A common shares, par value $0.0001 par value per share. Item 2 (e) CUSIP Number: 64118U108 Item 3 This statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) and the person filing, Piper Jaffray Companies, is a parent holding company in accordance with Section 240.13d-1(b)(ii)(G). (Note: See Item 7). Item 4 Ownership (a) Amount Beneficially Owned: Piper Jaffray & Co. 1,107,482 Shares (b) Percent of Class 14.29% (c) Number of shares as to which reporting person has: (i) Sole Voting Power 1,107,482 Shares (ii) Shared Voting Power 0 Shares (iii) Sole Dispositive Power 1,107,482 Shares (iv) Shared Dispositive Power 0 Shares Item 5 Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ] Item 6 Ownership of More than Five Percent on Behalf of Another Person: Not Applicable Item 7 Identification and Classification of the Subsidiary Which Acquired the Security being Reported on by the Parent Holding Company: See attached Exhibit A. Item 8 Identification and Classification if Members of the Group: Not Applicable Item 9 Notice of Dissolution of Group: Not Applicable Item 10 Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of such securities and were not acquired and are not held in connection with or as a participant in any transaction having such purposes or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. 07/07/2011 ---------------------------------- Date Piper Jaffray Companies By /s/ Timothy L. Carter ---------------------------------- Signature Timothy L. Carter Treasurer ---------------------------------- Name/Title Piper Jaffray & Co. By /s/ Ann C. McCague ---------------------------------- Signature Ann C. McCague Chief Compliance Officer ---------------------------------- Name/Title JOINT FILING AGREEMENT The undersigned persons, on July 7, 2011, agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the American Depository Shares of NetQin Mobile Inc. at June 30, 2011. Piper Jaffray Companies By /s/ Timothy L. Carter ---------------------------------- Signature Timothy L. Carter Treasurer ---------------------------------- Name/Title Piper Jaffray & Co. By /s/ Ann C. McCague ---------------------------------- Signature Ann C. McCague Chief Compliance Officer ---------------------------------- Name/Title EXHIBIT A Pursuant to the instructions in Item 7 of Schedule 13G, Piper Jaffray & Co., 800 Nicollet Mall, Minneapolis, MN 55402, is a wholly-owned subsidiary of Piper Jaffray Companies and a broker-dealer registered under section 15 of the Act, is the beneficial owner of 1,107,482 American Depository Shares or 14.29% of the outstanding American Depository Shares (each ADS represents five Class A common shares of NetQin Mobile Inc.). Piper Jaffray Companies may be deemed to be the beneficial owner of these 1,107,482 American Depository Shares through control of Piper Jaffray & Co. However, Piper Jaffray Companies disclaims beneficial ownership of such shares. In addition, the filing of this Schedule 13G shall not be construed as an admission that the reporting person or any of its affiliates is the beneficial owner of any securities covered by this Schedule 13G for any other purposes than Section 13(d) of the Securities Exchange Act of 1934.