13F-HR 1 aim13fq113.txt ASTER INVESTMENT MANAGEMENT FORM 13F HR Q1 2013 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2013 Check here if Amendment [ ]; Amendment Number: This Amendment (check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Aster Investment Management Co., Inc. Address: 60 East Sir Francis Drake Blvd., Suite 306 Larkspur, CA 94939 13F File Number: 28-01919 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists and tables, are considered integral parts of this submission. Person Signing this Report on Behalf of Reporting Manager: Name: Gregg B.Keeling Title: Vice President of Operations Phone: 415-461-8770 Signature, Place and Date of Signing: Gregg B.Keeling Larkspur, CA May 6, 2013 I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: Form 13F Information Table Entry Total: 148 Form 13F Information Table Value Total: 2735996 FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ANSYS, Inc. COM 03662q105 27504 337800 SH DEFINED 337800 AT&T Inc. COM 00206R102 575 15680 SH DEFINED 15680 Aecon Group Inc. 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