SECURITIES EXCHANGE COMMISSION Washington, DC 20549 Under the Securities Exchange Act of 1934 (Amendment No. 5) GREATBATCH, INC. (Name of Issuer) Common Stock (Title of Class of Securities) Date of Event Which Requires Filing of this Statement OCTOBER 16, 2006 Check the appropriate box to designate the rule pursuant to which this Schedule is filed [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) 39153L106 (CUSIP NUMBER) 1) Name of Reporting Person: Unicredito Italiano S.p.A. IRS Identification 000000000 No. of Above 2) Check the Appropriate Box (a) of A Member of Group (See Instructions) (b) 3) SEC Use Only 4) Citizenship of Place of Organization Italy Number of (5)Sole Voting Shares Power 362,603 Beneficially Owned (6)Shared Voting by Each Reporting Power 0 Person With (7)Sole Disposi- tive Power 362,603 (8)Shared Disposi- tive Power 0 9) Aggregate Amount Beneficially 362,603 Owned by Each Reporting Person 10) Check if the aggregate Amount in Row (9) Exclude Certain Shares (See Instructions) 11) Percent of Class Represented By Amount in Row 9. 1.66% 12) Type of Reporting Person (See Instructions) HC Item 1(a) Name of Issuer. GREATBATCH, INC. Item 1(b) Address of Issuer's Principal Executive Offices: 9645 wEHRLE DRIVE CLARENCE, NY 14031 UNITED STATES Item 2(a) Name of Person Filing: Unicredito Italiano S.p.A. Item 2(b) Address of Principal Business Office: Piazza Cordusio 2 20123 Milan, Italy Item 2(c) Citizenship: Italy Item 2(d) Title of Class of Securities: Common Stock Item 2(e) Cusip Number: 874054109 Item 3 The person filing this statement pursuant to Rule 13d-1(b) or 13d-2(b) is: (Inapplicable) Item 4. Ownership. (a) Amount Beneficially Owned: 362,603 (b) Percent of Class: 1.66% (c) Number of shares as to which such person has (i) sole power to vote or to direct the vote 362,603 (ii) shared power to vote or to direct vote 0 (iii) sole power to dispose or to direct disposition of 362,603 (iv) shared power to dispose or to direct disposition 0 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 here: X Item 6. Ownership of More than Five Percent on Behalf of Another Person. Inapplicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported On By the Parent Holding Company. Inapplicable. Item 8. Identification and Classification of Members of the Group. Inapplicable. Item 9. Notice of Dissolution of the Group. Inapplicable. Item 10. Certification. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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 the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 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. Date OCTOBER 16, 2006 /s/Dario Frigerio Name: Dario Frigerio Title: Head of Private Banking and Asset Management Division /s/Paolo Fiorentino Name: Paolo Fiorentino Title: Head of Global Banking Services Division