UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter ended: March 31, 2013
Check here if Amendment [ ]; Amendment Number: 0
This Amendment (Check only one):
[ ] is a restatement
[ ] adds new holdings entries
Institutional Investment Manager Filing this Report:
Name: Next Century Growth Investors, LLC
Address: 5500 Wayzata Blvd. Suite 1275
Minneapolis, MN 55416
13F File Number: 28-06277
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: Gina Nelson
Title: Operations Manager
Phone: 763-591-4490
Signature, Place and Date of Signing
/s/Gina Nelson
Minneapolis, Minnesota
May 14, 2013
Report Type (Check only one):
[x] 13F HOLDINGS REPORT
[ ] 13F NOTICE
[ ] 13F COMBINATION REPORT
List of other Managers Reporting for this Manager:
Frank Russell Company: filer number 028-01190
FORM 13F SUMMARY PAGE
Report Summary
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 165
Form 13F Information Table Value Total: 2,917,663
List of Other Included Managers:
None
FORM 13F INFORMATION TABLE
Value Shares/ Sh/ Put/ InvestmtOther Voting Authority
Name of Issuer Title ofCUSIP (x$1000) Prn Amt Prn Call Dscretn ManagersSole Shared None
8x8 Inc COM 282914100 3764 549536SH Sole 243038 0 306498
Abiomed Inc COM 003654100 43969 2355078SH Sole 1014756 0 1340322
Advisory Board Co (The) COM 00762W107 66583 1267762SH Sole 814535 0 453227
Akorn Inc COM 009728106 47680 3447560SH Sole 2091273 0 1356287
Alexion Pharmaceuticals, Inc. COM 015351109 3998 43389SH Sole 36845 0 6544
Amazon.Com COM 023135106 5336 20023SH Sole 17386 0 2637
American Vanguard Corp COM 030371108 1863 61000SH Sole 22293 0 38707
American Woodmark Corp COM 030506109 6184 181710SH Sole 66350 0 115360
Angie's List COM 034754101 5465 276549SH Sole 138591 0 137958
Annie's Inc COM 03600T104 33595 878068SH Sole 370458 0 507610
Ansys Inc COM 03662Q105 26 315SH Sole 315 0 0
Apogee Enterprises Inc COM 037598109 7281 251513SH Sole 91918 0 159595
Apple Computer Inc COM 037833100 4162 9403SH Sole 8131 0 1272
Arctic Cat Inc COM 039670104 4050 92671SH Sole 33843 0 58828
Aspen Technology COM 045327103 16529 511894SH Sole 219816 0 292078
Astronics Corp COM 046433108 11610 389330SH Sole 163577 0 225753
AthenaHealth Inc COM 04685W103 13513 139247SH Sole 139247 0 0
B/E Aerospace, Inc. COM 073302101 78047 1294526SH Sole 799692 0 494834
Biogen Idec Inc. COM 09062X103 5936 30773SH Sole 26054 0 4719
Bioscrip Inc COM 09069N108 11065 870539SH Sole 545391 0 325148
Boeing Co COM 097023105 6569 76521SH Sole 66367 0 10154
Boise Cascade LLC COM 09739D100 31965 941805SH Sole 401797 0 540008
Broadcom Corporation COM 111320107 2138 61678SH Sole 53345 0 8333
Buffalo Wild Wings Inc. COM 119848109 26553 303357SH Sole 186761 0 116596
Cardiovascular Systems COM 141619106 3344 163300SH Sole 59685 0 103615
Catamaran Corp COM 148887102 28309 533835SH Sole 523110 0 10725
Cavium Inc. COM 14964U108 7000 180365SH Sole 180365 0 0
Celgene Corporation COM 151020104 6707 57863SH Sole 48988 0 8875
Centene Corp COM 15135B101 47315 1074371SH Sole 674530 0 399841
Cepheid Inc COM 15670R107 23973 624786SH Sole 268221 0 356565
Cerner Corp COM 156782104 4725 49866SH Sole 42217 0 7649
Chart Industries, Inc. COM 16115Q308 51102 638693SH Sole 378872 0 259821
Chicago Brdg + Iron Co N V COM 167250109 19008 306095SH Sole 306095 0 0
Chipolte Mexican Grill COM 169656105 578 1773SH Sole 1773 0 0
Chuy's Holdings COM 171604101 30450 934634SH Sole 398794 0 535840
Conceptus Inc COM 206016107 7498 310456SH Sole 113454 0 197002
Concur Technologies Inc COM 206708109 42565 619932SH Sole 379157 0 240775
Conn's Inc COM 208242107 11952 332914SH Sole 332914 0 0
Cornerstone on Demand COM 21925Y103 42752 1253739SH Sole 554957 0 698782
Costar Group Inc COM 22160N109 83217 760253SH Sole 446555 0 313698
Costco Wholesale Corp COM 22160K105 6661 62778SH Sole 54616 0 8162
Cutera Inc COM 232109108 9795 753455SH Sole 322291 0 431164
Cynosure Inc. COM 232577205 27618 1055320SH Sole 442149 0 613171
D R Horton, Inc. COM 23331A109 24326 1001063SH Sole 1001063 0 0
Demandware COM 24802Y105 3622 142892SH Sole 52157 0 90735
Dexcom Inc COM 252131107 24741 1479706SH Sole 671006 0 808700
E2Open Inc COM 29788A104 7285 365354SH Sole 156100 0 209254
Ebay, Inc. COM 278642103 8035 148196SH Sole 128161 0 20035
Encore Captial Group COM 292554102 11144 370241SH Sole 150968 0 219273
Endologix Inc COM 29266S106 56106 3474051SH Sole 1496887 0 1977164
Epam Systems COM 29414B104 8469 364580SH Sole 165839 0 198741
Equinix Inc COM 29444U502 6839 31615SH Sole 27553 0 4062
ExactTarget Inc COM 30064K105 14035 603118SH Sole 603118 0 0
Exlservice Holdings Inc. COM 302081104 25442 773773SH Sole 634042 0 139731
F5 Networks Inc COM 315616102 507 5691SH Sole 5691 0 0
Facebook Inc COM 30303M102 2137 83538SH Sole 72237 0 11301
Fastenal Co COM 311900104 5623 109501SH Sole 95577 0 13924
Fedex Corporation COM 31428X106 4247 43244SH Sole 37393 0 5851
Fiesta Restaurant Group COM 31660B101 3769 141870SH Sole 51851 0 90019
Financial Engines Inc COM 317485100 59189 1634159SH Sole 890762 0 743397
Five Below COM 33829M101 17538 462868SH Sole 205484 0 257384
Fleetmatics Group COM G35569105 7544 311097SH Sole 131767 0 179330
Fluidigm Corp COM 34385P108 5482 296151SH Sole 108235 0 187916
Fluor Corp COM 343412102 3740 56382SH Sole 49550 0 6832
Francescas Holdings COM 351793104 34567 1206118SH Sole 518950 0 687168
Fresh Market Inc. COM 35804H106 22635 529223SH Sole 323802 0 205421
Geospace Technologies COM 37364X109 19293 178768SH Sole 83016 0 95752
Gilead Sciences COM 375558103 6930 141622SH Sole 119908 0 21714
Google Inc-CL A COM 38259P508 5314 6693SH Sole 5788 0 905
Graham Corp COM 384556106 7962 321820SH Sole 136998 0 184822
Grand Canyon Education Inc COM 38526M106 37797 1488658SH Sole 629862 0 858796
Guidewire Software COM 40171V100 75095 1953566SH Sole 1113108 0 840458
H&E Equipment Services COM 404030108 36507 1789557SH Sole 784452 0 1005105
Healthstream Inc COM 42222N103 23034 1004079SH Sole 792978 0 211101
Hexcel Corp COM 428291108 17537 604516SH Sole 259448 0 345068
Home Away COM 43739Q100 22204 683188SH Sole 683188 0 0
Hovnanian Enterprices COM 442487203 6432 1114647SH Sole 406512 0 708135
Humana Inc COM 444859102 3492 50525SH Sole 42897 0 7628
Hunt (JB) Transport Services COM 445658107 24045 322840SH Sole 322840 0 0
IPG Photonics Corp COM 44980X109 37245 560828SH Sole 314204 0 246624
ITC Holdings Corp COM 465685105 9106 102022SH Sole 102022 0 0
IXIA COM 45071R109 16179 747665SH Sole 321053 0 426612
Imperva Inc COM 45321L100 48071 1248606SH Sole 532754 0 715852
Incontact Inc COM 45336E109 11120 1374572SH Sole 502326 0 872246
InfoBlox Inc COM 45672H104 34996 1612714SH Sole 984563 0 628151
Innerworkings Inc COM 45773Y105 7927 523611SH Sole 222211 0 301400
Insulet Corp COM 45784P101 6519 252092SH Sole 119468 0 132624
Kansas City Southern COM 485170302 27839 251031SH Sole 241330 0 9701
Kinder Morgan Mgmt LLC- FactioCOM EKE55U103 0 91159SH Sole 91159 0 0
Las Vegas Sands Corp COM 517834107 4458 79108SH Sole 68408 0 10700
Lennar Corp COM 526057104 20107 484749SH Sole 484749 0 0
LinkedIn Corp A COM 53578A108 7391 41982SH Sole 36469 0 5513
Liveperson, Inc. COM 538146101 13072 962601SH Sole 770284 0 192317
Lumber Liquidators Holdings, ICOM 55003T107 165 2348SH Sole 2348 0 0
M/I Homes COM 55305B101 12180 498151SH Sole 200097 0 298054
Market Leader COM 57056R103 9648 1076739SH Sole 458092 0 618647
Marlin Business Services COM 571157106 8596 370681SH Sole 158509 0 212172
Mastec Inc COM 576323109 30043 1030620SH Sole 442590 0 588030
Mastercard Inc COM 57636Q104 7669 14173SH Sole 12321 0 1852
Medidata Solutions COM 58471A105 47938 826802SH Sole 440950 0 385852
Meritage Homes Corp COM 59001A102 51414 1097178SH Sole 484143 0 613035
Methode Electronics Inc COM 591520200 1147 89072SH Sole 32544 0 56528
Michael Kors Holdings COM G60754101 6519 114785SH Sole 99456 0 15329
Model N Inc COM 607525102 3796 191500SH Sole 69963 0 121537
Moody's Corp COM 615369105 7147 134036SH Sole 115913 0 18123
Move Inc COM 62458M207 3074 257265SH Sole 94016 0 163249
NCI Building Systems COM 628852204 9877 568637SH Sole 568637 0 0
NOVO-Nordisk A/S Spons ADR COM 670100205 5512 34133SH Sole 28897 0 5236
Netsuite COM 64118Q107 83266 1040048SH Sole 633329 0 406719
Numerex Corp COM 67053A102 4431 346415SH Sole 126480 0 219935
O'Reilly Automotive Inc COM 67103H107 415 4056SH Sole 4056 0 0
Old Dominion Freight Line COM 679580100 49605 1298567SH Sole 571471 0 727096
On Assignment, Inc COM 682159108 2571 101587SH Sole 101587 0 0
Open Table COM 68372A104 8564 135973SH Sole 58390 0 77583
Osi Sys Inc COM 671044105 19275 309443SH Sole 138003 0 171440
Paccar Inc COM 693718108 4324 85529SH Sole 74117 0 11412
Palo Alto Networks COM 697435105 15771 278643SH Sole 278643 0 0
Panera Bread Company COM 69840W108 53 320SH Sole 320 0 0
Polaris Industries COM 731068102 7037 76083SH Sole 76083 0 0
Portfolio Recovery AssociationCOM 73640Q105 61567 485086SH Sole 303602 0 181484
Precision Castparts Corp COM 740189105 6729 35486SH Sole 30763 0 4723
Priceline.com COM 741503403 6780 9856SH Sole 8526 0 1330
Proofpoint Inc. COM 743424103 7284 432011SH Sole 157845 0 274166
Pros Hldgs Inc COM 74346Y103 3479 128054SH Sole 46798 0 81256
Qualcomm Inc COM 747525103 6475 96708SH Sole 83650 0 13058
Qualys Inc COM 74758T303 680 55122SH Sole 20147 0 34975
RBC Bearnings COM 75524B104 31945 631827SH Sole 281177 0 350650
Ralph Lauren Corp COM 751212101 5876 34703SH Sole 30142 0 4561
Realogy Holdings Corp COM 75605Y106 6958 142461SH Sole 123415 0 19046
Rentrak Corp COM 760174102 5017 228237SH Sole 83363 0 144874
RigNet Inc. COM 766582100 4664 187013SH Sole 68275 0 118738
Ruckus Wireless Inc COM 781220108 13650 650014SH Sole 278037 0 371977
Rue21 Inc COM 781295100 11169 380031SH Sole 300872 0 79159
Ryland Group Inc COM 783764103 47569 1142934SH Sole 504699 0 638235
SPS Commerce Inc COM 78463M107 22454 526225SH Sole 215022 0 311203
Salesforce.com Inc COM 79466L302 6567 36721SH Sole 32020 0 4701
Salix Pharamaceuticals COM 795435106 27319 533774SH Sole 321980 0 211794
Schlumberger COM 806857108 2041 27258SH Sole 23570 0 3688
ServiceNow Inc COM 81762P102 64167 1772565SH Sole 1034167 0 738398
Shutterfly Inc COM 82568P304 13798 312388SH Sole 312388 0 0
Solarwinds Inc COM 83416B109 18713 316634SH Sole 316634 0 0
Sourcefire Inc COM 83616T108 19487 329013SH Sole 150774 0 178239
Spectranetics Corp COM 84760C107 4305 232303SH Sole 84735 0 147568
Splunk Inc COM 848637104 74997 1873522SH Sole 1059275 0 814247
Stamps.com, Inc. COM 852857200 10578 423644SH Sole 175142 0 248502
Starbucks Corp. COM 855244109 6612 116080SH Sole 100460 0 15620
Stratasys Ltd. COM M85548101 25893 348873SH Sole 218596 0 130277
Tangoe Inc COM 87582Y108 8629 696419SH Sole 276453 0 419966
Team Health Holdings Inc COM 87817A107 14017 385307SH Sole 385307 0 0
Terex Corp COM 880779103 9276 269491SH Sole 269491 0 0
Texas Capital Bancshares COM 88224Q107 15974 394915SH Sole 179199 0 215716
Tile Shop Holdings Inc COM 88677Q109 11375 541393SH Sole 223585 0 317808
Tractor Supply Co COM 892356106 836 8028SH Sole 8028 0 0
Tri Pointe Homes Inc COM 87265H109 7543 374349SH Sole 136774 0 237575
Tumi Holdings COM 89969Q104 29315 1399940SH Sole 619485 0 780455
Ultimate Software Group Inc. COM 90385D107 73008 700919SH Sole 418591 0 282328
Ultra Salon Cosmetics & FragraCOM 90384S303 5949 73287SH Sole 73287 0 0
Under Armour Inc. COM 904311107 14491 283034SH Sole 283034 0 0
Union Pacific Corp COM 907818108 6758 47454SH Sole 41166 0 6288
Virtusa Corp COM 92827P102 3779 159042SH Sole 58128 0 100914
Visa Inc COM 92826C839 7751 45637SH Sole 39464 0 6173
Vocera Communications COM 92857F107 3615 157159SH Sole 67681 0 89478
Whole Foods Market Inc COM 966837106 2100 24207SH Sole 20971 0 3236
Workday Inc COM 98138H101 7285 118205SH Sole 118205 0 0
Magnum Hunter Res- Restricted COM 55973G119 9 72682SH Sole 29598 0 43084