UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE13GA* (Amendment No__1__)* Under the Securities Exchange Act of 1934 Pro-Dex, Inc. --------------------------------------------------------------------- (Name of Issuer) Common Stock, no par value --------------------------------------------------------------------- (Title of Class of Securities) 74265M205 ----------------- (CUSIP Number) December 31, 2010 --------------------------------------------------------------------- (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) /x/ 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 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). Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1745 (3-98) CUSIP No. 74265M205 -------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) WEDBUSH, Inc. --------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) /x/ (b) / / --------------------------------------------------------------------- 3. SEC Use Only --------------------------------------------------------------------- 4. Citizenship or Place of Organization California --------------------------------------------------------------------- Number of Shares 5. Sole Voting Power 0 Beneficially by ---------------------------------------------- Owned by Each 6. Shared Voting Power 51,752 Reporting ---------------------------------------------- Person With: 7. Sole Dispositive Power 0 ---------------------------------------------- 8.Shared Dispositive Power 51,752 --------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 51,752 --------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) / / --------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 1.6% --------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) --------------------------------------------------------------------- HC CUSIP No. 74265M205 -------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Edward W. Wedbush --------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) /x/ (b) / / --------------------------------------------------------------------- 3. SEC Use Only --------------------------------------------------------------------- 4. Citizenship or Place of Organization United States of America --------------------------------------------------------------------- Number of Shares 5. Sole Voting Power 0 Beneficially by ---------------------------------------------- Owned by Each 6. Shared Voting Power 51,752 Reporting ---------------------------------------------- Person With: 7. Sole Dispositive Power 0 ---------------------------------------------- 8.Shared Dispositive Power 51,752 --------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 51,752 --------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) / / --------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 1.6% --------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) --------------------------------------------------------------------- IN CUSIP No. 74265M205 -------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Wedbush Opportunity Capital, LLC --------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) /x/ (b) / / --------------------------------------------------------------------- 3. SEC Use Only --------------------------------------------------------------------- 6. Citizenship or Place of Organization Delaware --------------------------------------------------------------------- Number of Shares 5. Sole Voting Power 0 Beneficially by ---------------------------------------------- Owned by Each 6. Shared Voting Power 51,752 Reporting ---------------------------------------------- Person With: 7. Sole Dispositive Power 0 ---------------------------------------------- 8.Shared Dispositive Power 51,752 --------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 51,752 --------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) / / --------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 1.6% --------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) --------------------------------------------------------------------- OO CUSIP No. 74265M205 -------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Wedbush Opportunity Partners, LP --------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) /x/ (b) / / --------------------------------------------------------------------- 3. SEC Use Only --------------------------------------------------------------------- 6. Citizenship or Place of Organization Delaware --------------------------------------------------------------------- Number of Shares 5. Sole Voting Power 0 Beneficially by ---------------------------------------------- Owned by Each 6. Shared Voting Power 51,752 Reporting ---------------------------------------------- Person With: 7. Sole Dispositive Power 0 ---------------------------------------------- 8.Shared Dispositive Power 51,752 --------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 51,752 --------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) / / --------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 1.6% --------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) --------------------------------------------------------------------- PN Cusip No. 74265M205 13G Pro-Dex, Inc. --------------------------------------------------------------------- Item 1. Name and Address of Issuer. (a) This statement relates to the shares of the common stock of Pro-Dex, Inc. ("Issuer"). (b) Issuer's address: 2361 McGaw Avenue Irvine, CA 92614 Item 2. Filers (a) This statement is filed by WEDBUSH, Inc. ("WI"), Edward W. Wedbush ("EWW"), Wedbush Opportunity Capital, LLC ("WOC"), and Wedbush Opportunity Partners, LP ("WOP"). (b) Business address of the above filers are as follows: WI - 1000 Wilshire Blvd., Los Angeles, CA 90017-2457 EWW - P.O. Box 30014, Los Angeles, CA 90030-0014 WOC - 1000 Wilshire Blvd., Los Angeles, CA 90017-2457 WOP - 1000 Wilshire Blvd., Los Angeles, CA 90017-2457 (c) WI is a California corporation. EWW is a citizen of the United States of America. WOC is a limited liability corporation organized under the laws of the State of Delaware. WOP is a limited partnership organized under the laws of the State of Delaware. (d) Common stock (e) 74265M205 Item 3. Classification of Filers (a) WI is a control person. (b) - (j) Not applicable (b) - (j) Not applicable (b) - (j) Not applicable Item 4. Ownership (a) Together, the Reporting Persons beneficially own a total of 51,752 shares of Common Stock of the Issuer. (b) Together, the Reporting Persons beneficially own approximately 1.6% of the outstanding shares of the Issuer. (c) Number of Shares as to which the filer has: (i) Sole power to vote: WI has sole power to vote on 0 Shares; EWW has 0 sole Shares; WOC has 0 sole shares; and WOP has 0 sole Shares. (ii) Shared power to vote: WI has shared power to vote on 51,752 Shares; EWW has 51,752 Shares; WOC has 51,752 Shares; and WOP has 51,752 Shares. (iii) Sole power to dispose: WI has sole power to dispose on 0 Shares; EWW has 0 Shares to dispose; and WOC has 0 Shares to dispose; and WOP has 0 Shares to dispose. (iv) Shared power to dispose; WI has 51,752 Shares; EWW has 51,752 Shares; WOC has 51,752 Shares; and WOP has 51,752 Shares. Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report 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 [X]. Item 6. Ownership of More Than Five Percent on Behalf of Another. Not applicable. Item 7. Identification and Classification of Subsidiary which Acquired the Securities Being Reported on by the Parent Holding Company. Not Applicable. Item 8. Identification and Classification of Members of a Group. Name Category WEDBUSH, Inc. HC Edward W. Wedbush IN Wedbush Opportunity Capital, LLC OO Wedbush Opportunity Partners, LP PN EWW is the Chairman of WI. EWW owns a majority of the outstanding Shares of WI. WI owns a majority of WOC. WOC is the general partner and acts as the investment manager for WOP. Accordingly, EWW may be deemed the beneficial owner of the Issuer's Shares owned by WI. However, beneficial ownership of the Issuer's Shares is hereby disclaimed by EWW. 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 in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the Issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose 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. WEDBUSH, Inc. 02/10/11 --------------------------- Date ERIC D. WEDBUSH ------------------ Eric D. Wedbush --------------------------- Signature ERIC D. WEDBUSH ------------------ Eric D. Wedbush/ President --------------------------- Name/Title Edward W. Wedbush 02/10/11 --------------------------- Date EDWARD W. WEDBUSH ------------------ Edward W. Wedbush --------------------------- Signature EDWARD W. WEDBUSH ------------------ Edward W. Wedbush --------------------------- Name/Title Wedbush Opportunity Capital, LLC 02/10/11 --------------------------- Date ERIC D. WEDBUSH ------------------ Eric D. Wedbush --------------------------- Signature ERIC D. WEDBUSH ------------------ Eric D. Wedbush/ Managing Director --------------------------- Name/Title Wedbush Opportunity Partners, LP 06/30/10 --------------------------- Date ERIC D. WEDBUSH ------------------ Eric D. Wedbush --------------------------- Signature ERIC D. WEDBUSH ------------------ Eric D. Wedbush/ Managing Director --------------------------- Name/Title