13F-HR 1 form13fhr.txt NONE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 12/31/2012 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: Nierenberg Investment Management Company, Inc. Address: 19605 NE 8th Street Camas, WA 98607 Form 13F File Number: 028-10859 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. Persons Signing this Report on Behalf of Reporting Manager: Name: David Nierenberg Title: President Phone: 360-604-8600 Signature, Place, and Date of Signing: /s/ David Nierenberg Camas, Washington 2/13/2013 --------------------------------- --------------------------------- ---------- [Signature] [City, State] [Date] Report Type (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 7 Form 13F Information Table Value Total: $ 147,423 -------------- (In Thousands) List of Other Included Managers: Provide a numbered list of the name(s) and 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. No. Form 13F File Number Name 1 Nierenberg Investment Management Offshore, Inc. ---- -------------------- ---------------------------------------------------- Nierenberg Investment Management Company, Inc. shares investment discretion with Nierenberg Investment Management Offshore, Inc. only with respect to those shares which it shares voting authority, as set forth in Column 8

FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ------------------------ -------------- --------- -------- ------------------ ---------- -------- ---------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ------------------------ -------------- --------- -------- --------- --- ---- ---------- -------- --------- ------- ---- ASSET ACCEP CAP CORP Common 04543P100 23,050 5,122,125 SH DEFINED 1 4,274,284 847,841 0 ELECTRO SCIENTIFIC INDS Common 285229100 31,541 3,169,920 SH DEFINED 1 2,767,545 402,375 0 HEWLITT PACKARD CO Common 428236103 11,400 800,000 SH CALL DEFINED 1 703,500 96,500 0 C&J ENERGY SVCS INC Common 12467B304 19,703 919,000 SH DEFINED 1 784,715 134,285 0 ROSETTA STONE INC Common 777780107 22,267 1,804,474 SH DEFINED 1 1,539,699 264,775 0 MOVE INC COM Common 62458M108 25,959 3,429,191 SH DEFINED 1 2,866,378 562,813 0 RADISYS CORP Common 750459109 13,503 4,531,296 SH DEFINED 1 3,730,120 801,176 0