UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calender Year or Quarter Ended: December 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: Alerus Investment Advisors Corporation Address: 10900 Wayzata Blvd. Suite 120 Minnetonka, MN 55343 13F File Number: 28-14784 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 form. Person Signing this Report on Behalf of Reporting Manager: Name: Bryan D. Grimm Title: Chief Compliance Officer Phone: 952-417-3835 Signature, Place, and Date of Signing: Bryan D. Grimm Minnetonka, Minnesota February 15, 2013 Report Type (Check only one.): [X ] 13F Holdings Report. [ ] 13F Notice. [ ] 13F Combination Report. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. <Page> ALERUS INVESTMENT ADVISORS CORPORATION FORM 13F SUMMARY PAGE AS OF DATE: 12/31/12 REPORT SUMMARY: NUMBER OF OTHER INCLUDED MANAGERS: None FORM 13F INFORMATION TABLE ENTRY TABLE: 103 FORM 13F INFORMATION TABLE VALUE TOTAL: $396,913 Value (X$1000) LIST OF OTHER INCLUDED MANAGERS: None ALERUS INVESTMENT ADVISORS CORPORATION FORM 13F INFORMATION TABLE AS OF DATE: 12/31/12 <Page> <Table> <C> <C> FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/INVSTMT -----VOTING AUTHORITY----- NAME OF ISSUER -TITLE OF CLASS---CUSIP-- (X$1000) PRN AMT PRN CALLDSCRETN-MANAGERS- SOLE SHARED NONE ABB LTD SPONSORED ADR 000375204 313 15044 SH SOLE 15,044 AT&T INC COM 00206R102 5429 161064 SH SOLE 161,064 ABBOTT LABORATORIES COM 002824100 8022 122473 SH SOLE 122,473 ALTRIA GROUP INC COM 02209S103 1541 49015 SH SOLE 49,015 AMERICAN EXPRESS CO COM 025816109 4346 75603 SH SOLE 75,603 APACHE INC COM 037411105 5173 65898 SH SOLE 65,898 APPLE COMPUTER COM 037833100 12505 23498 SH SOLE 23,498 BP PLC SPONSORED ADR 055622104 318 7626 SH SOLE 7,626 BAKER HUGHES INC COM 057224107 2643 64707 SH SOLE 64,707 BECTON DICKINSON & COMPANY COM 075887109 3464 44301 SH SOLE 44,301 BERKSHIRE HATHAWAY CALL B NEW 084670702 4337 48348 SH SOLE 48,348 BLACK HILLS CORPORATION COM 092113109 238 6536 SH SOLE 6,536 BLACKROCK INC COM 09247X101 3213 15545 SH SOLE 15,545 BOEING COM 097023105 3397 45081 SH SOLE 45,081 BROADCOM CORPORATION CL A 111320107 3267 98366 SH SOLE 98,366 CF INDUSTRIES HOLDINGS INC COM 125269100 320 1575 SH SOLE 1,575 CME GROUP COM 12572Q105 1893 37356 SH SOLE 37,356 CVS CORP COM 126650100 5378 111221 SH SOLE 111,221 CARDINAL HEALTH INC COM 14149Y108 4863 118100 SH SOLE 118,100 CHEVRON TEXACO COM 166764100 8617 79679 SH SOLE 79,679 CISCO SYSTEMS COM 17275R102 6136 312293 SH SOLE 312,293 COACH INC COM 189754104 1757 31643 SH SOLE 31,643 COCA COLA COMPANY COM 191216100 2138 58984 SH SOLE 58,984 COGNIZANT TECH SOLUTIONS COM 192446102 3530 47779 SH SOLE 47,779 COLGATE-PALMOLIVE COMP COM 194162103 3174 30362 SH SOLE 30,362 COMCAST CORP COM 20030N101 4350 116440 SH SOLE 116,440 CONOCO PHILLIPS COM 20825C104 404 6965 SH SOLE 6,965 DANAHER CORPORATION COM 235851102 2190 39172 SH SOLE 39,172 DEERE & CO COM 244199105 214 2482 SH SOLE 2,482 DISNEY COM 254687106 6916 138911 SH SOLE 138,911 DUPONT E I DENEMOURS COM 263534109 4058 90229 SH SOLE 90,229 EMC INC COM 268648102 6631 262087 SH SOLE 262,087 ECOLAB INC COM 278865100 561 7800 SH SOLE 7,800 EMERSON ELECTIC CO COM 291011104 4012 75764 SH SOLE 75,764 EXPRESS SCRIPTS HLDG CO COM 30219G108 3768 69773 SH SOLE 69,773 EXXON MOBIL CORP COM 30231G102 11675 134893 SH SOLE 134,893 F5 NETWORKS INC COM 315616102 1667 17163 SH SOLE 17,163 FIRST ADVANTAGE BANCORP COM 31848L104 1369 106563 SH SOLE 0 106,563 GENERAL ELECTRIC COMPANY COM 369604103 9326 444296 SH SOLE 444,296 GENERAL MILLS INC COM 370334104 3254 80494 SH SOLE 80,494 GILEAD SCI INC COM 375558103 281 3820 SH SOLE 3,820 GOOGLE INC COM 38259P508 7166 10131 SH SOLE 10,131 GRAINGER WW INC COM 384802104 438 2164 SH SOLE 2,164 HALLIBURTON CO COM 406216101 3865 111405 SH SOLE 111,405 HOME DEPOT INC COM 437076102 440 7120 SH SOLE 7,120 HONEYWELL INTL INC COM 438516106 3374 53160 SH SOLE 53,160 INTEL INC COM 458140100 5526 268000 SH SOLE 268,000 INTERCONTINENTAL EXCHANGE COM 45865V100 220 1775 SH SOLE 1,775 IBM COM 459200101 572 2987 SH SOLE 2,987 ISHARES TRUST DJ SEL DIV INX 464287168 434 7580 SH SOLE 7,580 ISHARES TRUST BARCLYS TIPS BD 464287176 27 225 SH SOLE 225 ISHARES TRUST MSCI EMERG MKT 464287234 216 4870 SH SOLE 4,870 ISHARES TRUST IBOXX INV CPBD 464287242 63 520 SH SOLE 520 ISHARES TRUST MSCI EAFE INDEX 464287465 103 1815 SH SOLE 1,815 ISHARES TRUST NASDQ BIO INDX 464287556 5243 38208 SH SOLE 38,208 JP MORGAN CHASE & CO COM 46625H100 9644 219344 SH SOLE 219,344 JOHNSON AND JOHNSON COM 478160104 6288 89707 SH SOLE 89,707 MCDONALDS CORP COM 580135101 6537 74108 SH SOLE 74,108 MEDTRONIC INC COM 585055106 948 23105 SH SOLE 23,105 MERCK & CO INC COM 58933Y105 355 8683 SH SOLE 8,683 MICROSOFT INC COM 594918104 13885 519845 SH SOLE 519,845 MONDELEZ INTL INC CL A 609207105 2099 82461 SH SOLE 82,461 MONSANTO COMPANY COM 61166W101 3501 36986 SH SOLE 36,986 NATIONAL OILWELL VARCO COM 637071101 3046 44568 SH SOLE 44,568 NEXTERA ENERGY INC COM 65339F101 231 3340 SH SOLE 3,340 NIKE INC COM 654106103 4738 91831 SH SOLE 91,831 NORFOLK SOUTHERN CORP COM 655844108 3496 56532 SH SOLE 56,532 NUCOR CO COM 670346105 211 4899 SH SOLE 4,899 ORACLE SYSTEMS INC COM 68389X105 6034 181104 SH SOLE 181,104 PEPSICO INC COM 713448108 5623 82177 SH SOLE 82,177 PFIZER INC COM 717081103 247 9861 SH SOLE 9,861 PHILIP MORRIS COM 718172109 6474 77405 SH SOLE 77,405 PRAXAIR INC COM 74005P104 3675 33579 SH SOLE 33,579 PRICELINE COM INC COM 741503403 2127 3428 SH SOLE 3,428 PROCTER AND GAMBLE COMPANY COM 742718109 6201 91345 SH SOLE 91,345 PROSHARES TR PSHS SH MSCI EAF74347R370 684 16475 SH SOLE 16,475 PROSHARES TR PSHSSH MDCAP400 74347R800 1252 49400 SH SOLE 49,400 PROSHARES TR ULTRASHORT EUR 74347W882 2133 112200 SH SOLE 112,200 PRUDENTIAL FINANCIAL INC COM 744320102 5292 99223 SH SOLE 99,223 ROYAL BANK CANADA COM 780087102 489 8110 SH SOLE 8,110 RYDEX ETF TRUST GUG RUSS TOP 50 78355W205 27893 270859 SH SOLE 270,859 SPDR S & P 500 ETF TR TR UNIT 78462F103 1718 12065 SH SOLE 12,065 SPDR GOLD TRUST GOLD SHS 78463V107 9555 58974 SH SOLE 58,974 SPDR INDEX SHS FDS DJ GLB RL EX ETF78463X749 503 11940 SH SOLE 11,940 SCHLUMBERGER LTD COM 806857108 2900 41853 SH SOLE 41,853 SELECT SECTOR SPDR TR SBI INT-UTIL 81369Y886 11625 332886 SH SOLE 332,886 SIFCO INDUSTRIES COM 826546103 483 30696 SH SOLE 30,696 SOUTHERN COMPANY COM 842587107 279 6516 SH SOLE 6,516 STARWOOD HOTELS & RESORTS COM 85590A401 2625 45756 SH SOLE 45,756 STATE STREET CORP COM 857477103 3171 67447 SH SOLE 67,447 TJX COMPANIES COM 872540109 3432 80842 SH SOLE 80,842 TARGET CORP COM 87612E106 4126 69732 SH SOLE 69,732 TEVA PHARMACEUTICAL IND ADR 881624209 2536 67928 SH SOLE 67,928 TIME WARNER CABLE INC COM 88732J207 215 2208 SH SOLE 2,208 UNITED TECHNOLOGIES INC COM 913017109 4178 50945 SH SOLE 50,945 UNITEDHEALTH GROUP INC COM 91324P102 4217 77743 SH SOLE 77,743 VERIZON COMMUNICATION COM 92343V104 4453 102920 SH SOLE 102,920 VISA INC COM CL A 92826C839 4403 29045 SH SOLE 29,045 WAL-MART STORES INC COM 931142103 4786 70149 SH SOLE 70,149 WELLS FARGO & CO NEW COM STK COM 949746101 10105 295636 SH SOLE 295,636 ACCENTURE PLC IRELAND SHS CLASS A G1151C101 3519 52911 SH SOLE 52,911 COVIDIEN PLC SHS G2554F105 5188 89853 SH SOLE 89,853 EATON CORP PLC SHS G29183103 5418 99994 SH SOLE 99,994 </Table>