The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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 MANAGER SOLE SHARED NONE
3M Co. COM 88579Y101 210 1,001 SH   SOLE   1,001 0 0
8x8, Inc. COM 282914100 1,665 123,340 SH   SOLE   63,537 0 59,803
AAR Corp. COM 000361105 3,454 91,414 SH   SOLE   47,224 0 44,190
Abbott Laboratories COM 002824100 888 16,645 SH   SOLE   16,645 0 0
AbbVie, Inc. COM 00287Y109 1,407 15,837 SH   SOLE   15,837 0 0
Acadia Healthcare Co., Inc. COM 00404A109 28,008 586,422 SH   SOLE   417,705 0 168,717
ACI Worldwide, Inc. COM 004498101 10,221 448,689 SH   SOLE   421,990 0 26,699
Aclaris Therapeutics, Inc. COM 00461U105 1,071 41,484 SH   SOLE   38,752 0 2,732
Actua Corp. COM 005094107 10,370 677,752 SH   SOLE   630,634 0 47,118
Acxiom Corp. COM 005125109 23,969 972,756 SH   SOLE   669,619 0 303,137
Advance Auto Parts, Inc. COM 00751Y106 724 7,297 SH   SOLE   7,272 0 25
Advanced Energy Industries, In COM 007973100 15,193 188,128 SH   SOLE   129,317 0 58,811
Advisory Board Co. COM 00762W107 27,244 508,041 SH   SOLE   476,685 0 31,356
Aerie Pharmaceuticals, Inc. COM 00771V108 11,432 235,234 SH   SOLE   219,621 0 15,613
Air Transport Services Group, COM 00922R105 13,998 575,088 SH   SOLE   369,760 0 205,328
Airgain, Inc. COM 00938A104 1,351 148,622 SH   SOLE   76,283 0 72,339
Alamo Group, Inc. COM 011311107 3,348 31,186 SH   SOLE   16,044 0 15,142
Albany International Corp. COM 012348108 22,638 394,396 SH   SOLE   271,301 0 123,095
Almost Family, Inc. COM 020409108 826 15,375 SH   SOLE   7,890 0 7,485
AMN Healthcare Services, Inc. COM 001744101 19,764 432,481 SH   SOLE   297,492 0 134,989
Apogee Enterprises, Inc. COM 037598109 1,882 38,998 SH   SOLE   20,150 0 18,848
Apple, Inc. COM 037833100 220 1,425 SH   SOLE   1,425 0 0
ARRIS International PLC COM G0551A103 1,995 70,033 SH   SOLE   64,605 0 5,428
Associated Capital Group, Inc. COM 045528106 2,709 75,876 SH   SOLE   70,871 0 5,005
AT&T, Inc. COM 00206R102 395 10,073 SH   SOLE   8,655 0 1,418
Atlas Financial Holdings, Inc. COM G06207115 2,238 118,399 SH   SOLE   61,019 0 57,380
Autobytel, Inc. COM 05275N205 135 19,539 SH   SOLE   17,229 0 2,310
Axon Enterprise, Inc. COM 05464C101 14,570 642,695 SH   SOLE   442,678 0 200,017
Bank of the Ozarks, Inc. COM 063904106 23,011 478,887 SH   SOLE   449,223 0 29,664
Banner Corp. COM 06652V208 17,509 285,717 SH   SOLE   196,091 0 89,626
Beacon Roofing Supply, Inc. COM 073685109 20,201 394,162 SH   SOLE   278,862 0 115,300
Berkshire Hathaway, Inc. Class COM 084670108 549 2 SH   SOLE   2 0 0
Berkshire Hathaway, Inc. Class COM 084670702 2,909 15,870 SH   SOLE   14,545 0 1,325
Bio-Techne Corp. COM 09073M104 2,604 21,544 SH   SOLE   20,012 0 1,532
BioMarin Pharmaceutical, Inc. COM 09061G101 810 8,705 SH   SOLE   8,675 0 30
BioSpecifics Technologies Corp COM 090931106 7,265 156,167 SH   SOLE   145,029 0 11,138
BJ's Restaurants, Inc. COM 09180C106 402 13,212 SH   SOLE   11,658 0 1,554
Blackhawk Network Holdings, In COM 09238E104 14,983 342,070 SH   SOLE   235,501 0 106,569
BofI Holding, Inc. COM 05566U108 22,369 785,703 SH   SOLE   735,964 0 49,739
Boingo Wireless, Inc. COM 09739C102 16,992 795,150 SH   SOLE   741,200 0 53,950
Bravo Brio Restaurant Group, I COM 10567B109 482 211,813 SH   SOLE   196,650 0 15,163
Bristol-Myers Squibb Co. COM 110122108 294 4,608 SH   SOLE   4,608 0 0
Brooks Automation, Inc. COM 114340102 4,217 138,912 SH   SOLE   71,143 0 67,769
Buffalo Wild Wings, Inc. COM 119848109 12,867 121,727 SH   SOLE   114,455 0 7,272
CalAmp Corp. COM 128126109 14,980 644,306 SH   SOLE   546,495 0 97,811
Calavo Growers, Inc. COM 128246105 20,408 278,795 SH   SOLE   192,202 0 86,593
Cambrex Corp. COM 132011107 1,917 34,861 SH   SOLE   17,943 0 16,918
Capella Education Co. COM 139594105 1,031 14,704 SH   SOLE   7,624 0 7,080
Carbonite, Inc. COM 141337105 1,053 47,883 SH   SOLE   43,435 0 4,448
Carpenter Technology Corp. COM 144285103 20,374 424,192 SH   SOLE   291,992 0 132,200
Cavco Industries, Inc. COM 149568107 1,996 13,527 SH   SOLE   6,957 0 6,570
CBIZ, Inc. COM 124805102 2,248 138,342 SH   SOLE   71,275 0 67,067
CDW Corp. COM 12514G108 1,647 24,952 SH   SOLE   22,776 0 2,176
Centene Corp. COM 15135B101 3,008 31,079 SH   SOLE   28,935 0 2,144
Century Casinos, Inc. COM 156492100 4,877 594,037 SH   SOLE   546,927 0 47,110
CEVA, Inc. COM 157210105 25,627 598,773 SH   SOLE   558,744 0 40,029
Check Point Software Tech Ltd. COM M22465104 1,291 11,321 SH   SOLE   11,021 0 300
Cheesecake Factory, Inc. COM 163072101 15,242 361,874 SH   SOLE   340,286 0 21,588
Chevron Corp. COM 166764100 632 5,375 SH   SOLE   3,578 0 1,797
Ciena Corp. COM 171779309 2,247 102,292 SH   SOLE   94,657 0 7,635
Cimpress N.V. COM N20146101 18,945 193,993 SH   SOLE   182,242 0 11,751
Cisco Systems, Inc. COM 17275R102 2,633 78,300 SH   SOLE   71,900 0 6,400
Clovis Oncology, Inc. COM 189464100 10,025 121,665 SH   SOLE   114,381 0 7,284
Collegium Pharmaceutical, Inc. COM 19459J104 592 56,464 SH   SOLE   51,224 0 5,240
Columbia Sportswear Co. COM 198516106 3,757 61,016 SH   SOLE   56,190 0 4,826
Core Laboratories N.V. COM N22717107 2,343 23,740 SH   SOLE   22,383 0 1,357
CoStar Group, Inc. COM 22160N109 577 2,152 SH   SOLE   2,145 0 7
CRA International, Inc. COM 12618T105 1,734 42,238 SH   SOLE   21,800 0 20,438
Cross Country Healthcare, Inc. COM 227483104 3,096 217,536 SH   SOLE   112,013 0 105,523
CSRA, Inc. COM 12650T104 3,625 112,331 SH   SOLE   104,064 0 8,267
CSW Industrials, Inc. COM 126402106 517 11,659 SH   SOLE   10,287 0 1,372
Cutera, Inc. COM 232109108 2,086 50,441 SH   SOLE   25,861 0 24,580
Cypress Semiconductor Corp. COM 232806109 23,770 1,582,537 SH   SOLE   1,483,980 0 98,557
Dave and Buster's Entertainmen COM 238337109 24,323 463,477 SH   SOLE   389,046 0 74,431
Deckers Outdoor Corp. COM 243537107 20,241 295,880 SH   SOLE   205,326 0 90,554
Del Taco Restaurants, Inc. COM 245496104 2,035 132,671 SH   SOLE   68,381 0 64,290
Denny's Corp. COM 24869P104 200 16,077 SH   SOLE   14,164 0 1,913
Disney Walt Co. COM 254687106 1,034 10,487 SH   SOLE   10,487 0 0
DMC Global, Inc. COM 23291C103 939 55,591 SH   SOLE   28,523 0 27,068
Dorman Products, Inc. COM 258278100 14,828 207,042 SH   SOLE   142,535 0 64,507
Dover Corp. COM 260003108 2,746 30,042 SH   SOLE   27,819 0 2,223
Dycom Industries, Inc. COM 267475101 18,512 215,552 SH   SOLE   152,737 0 62,815
eBay, Inc. COM 278642103 2,019 52,489 SH   SOLE   47,875 0 4,614
Echo Global Logistics, Inc. COM 27875T101 12,431 659,485 SH   SOLE   616,560 0 42,925
Edwards Lifesciences Corp. COM 28176E108 2,675 24,470 SH   SOLE   22,533 0 1,937
Eli Lilly & Co. COM 532457108 213 2,490 SH   SOLE   2,490 0 0
Emergent BioSolutions, Inc. COM 29089Q105 26,010 643,027 SH   SOLE   603,207 0 39,820
Ensign Group, Inc. COM 29358P101 18,015 797,462 SH   SOLE   547,010 0 250,452
EPAM Systems, Inc. COM 29414B104 21,118 240,170 SH   SOLE   165,472 0 74,698
ePlus, inc. COM 294268107 2,254 24,386 SH   SOLE   12,540 0 11,846
ESCO Technologies, Inc. COM 296315104 1,956 32,622 SH   SOLE   16,845 0 15,777
Esterline Technologies Corp. COM 297425100 5,530 61,344 SH   SOLE   57,486 0 3,858
Euronet Worldwide, Inc. COM 298736109 2,583 27,251 SH   SOLE   25,157 0 2,094
Exactech, Inc. COM 30064E109 3,087 93,681 SH   SOLE   48,181 0 45,500
Expedia, Inc. COM 30212P303 203 1,407 SH   SOLE   1,402 0 5
Exponent, Inc. COM 30214U102 2,935 39,718 SH   SOLE   20,500 0 19,218
Exxon Mobil Corp. COM 30231G102 1,091 13,313 SH   SOLE   13,313 0 0
Fabrinet COM G3323L100 19,396 523,371 SH   SOLE   353,287 0 170,084
Farmer Bros. Co. COM 307675108 2,373 72,233 SH   SOLE   37,354 0 34,879
First Busey Corp. COM 319383204 2,924 93,242 SH   SOLE   47,862 0 45,380
First Cash, Inc. COM 33767D105 13,765 217,980 SH   SOLE   150,088 0 67,892
Five Below, Inc. COM 33829M101 21,865 398,407 SH   SOLE   274,208 0 124,199
FLIR Systems, Inc. COM 302445101 3,073 78,983 SH   SOLE   73,134 0 5,849
Flotek Industries, Inc. COM 343389102 139 29,829 SH   SOLE   26,320 0 3,509
Fox Factory Holding Corp. COM 35138V102 4,042 93,777 SH   SOLE   48,390 0 45,387
Franklin Covey Co. COM 353469109 3,903 192,243 SH   SOLE   178,485 0 13,758
GAMCO Investors, Inc. COM 361438104 2,152 72,321 SH   SOLE   67,730 0 4,591
Gartner, Inc. COM 366651107 9,759 78,440 SH   SOLE   73,772 0 4,668
Gentex Corp. COM 371901109 2,427 122,591 SH   SOLE   113,617 0 8,974
Glacier Bancorp, Inc. COM 37637Q105 19,672 520,987 SH   SOLE   357,606 0 163,381
Globus Medical, Inc. COM 379577208 17,199 578,716 SH   SOLE   398,336 0 180,380
GP Strategies Corp. COM 36225V104 2,582 83,689 SH   SOLE   43,191 0 40,498
Grand Canyon Education, Inc. COM 38526M106 5,954 65,560 SH   SOLE   61,591 0 3,969
Great Western Bancorp, Inc. COM 391416104 8,172 197,975 SH   SOLE   135,592 0 62,383
Guaranty Bancorp COM 40075T607 1,998 71,856 SH   SOLE   36,954 0 34,902
Guaranty Bancshares, Inc. COM 400764106 1,176 36,768 SH   SOLE   18,868 0 17,900
Hain Celestial Group, Inc. COM 405217100 17,133 416,351 SH   SOLE   391,601 0 24,750
Harris Corp. COM 413875105 830 6,306 SH   SOLE   6,306 0 0
Hasbro, Inc. COM 418056107 2,093 21,431 SH   SOLE   20,243 0 1,188
Healthcare Services Group, Inc COM 421906108 26,403 489,218 SH   SOLE   342,883 0 146,335
HealthSouth Corp. COM 421924309 18,274 394,256 SH   SOLE   271,650 0 122,606
Heritage Financial Corp. COM 42722X106 3,179 107,773 SH   SOLE   55,690 0 52,083
Hostess Brands, Inc. COM 44109J106 1,510 110,508 SH   SOLE   56,906 0 53,602
Hubbell, Inc. COM 443510607 2,291 19,743 SH   SOLE   18,315 0 1,428
Huron Consulting Group, Inc. COM 447462102 6,109 178,112 SH   SOLE   166,722 0 11,390
Ichor Holdings Ltd. COM G4740B105 2,565 95,714 SH   SOLE   49,289 0 46,425
IDEX Corp. COM 45167R104 1,784 14,687 SH   SOLE   13,435 0 1,252
IMAX Corp. COM 45245E109 13,513 596,601 SH   SOLE   411,744 0 184,857
Ingevity Corp. COM 45688C107 5,533 88,575 SH   SOLE   83,385 0 5,190
InnerWorkings, Inc. COM 45773Y105 2,965 263,597 SH   SOLE   135,306 0 128,291
Integrated Device Technology, COM 458118106 38,481 1,447,727 SH   SOLE   1,151,607 0 296,120
Intel Corp. COM 458140100 312 8,200 SH   SOLE   8,200 0 0
Inter Parfums, Inc. COM 458334109 2,313 56,083 SH   SOLE   29,048 0 27,035
Interface, Inc. COM 458665304 20,001 913,299 SH   SOLE   630,928 0 282,371
IPG Photonics Corp. COM 44980X109 2,477 13,383 SH   SOLE   12,412 0 971
Ituran Location and Control Lt COM M6158M104 4,720 130,938 SH   SOLE   121,756 0 9,182
j2 Global, Inc. COM 48123V102 20,794 281,454 SH   SOLE   264,242 0 17,212
Jacobs Engineering Group, Inc. COM 469814107 1,180 20,251 SH   SOLE   18,451 0 1,800
Jazz Pharmaceuticals PLC COM G50871105 2,700 18,459 SH   SOLE   17,369 0 1,090
Johnson & Johnson COM 478160104 4,093 31,483 SH   SOLE   31,483 0 0
JPMorgan Chase & Co COM 46625H100 197 2,058 SH   SOLE   1,626 0 432
KAR Auction Services, Inc. COM 48238T109 3,486 73,018 SH   SOLE   67,603 0 5,415
Keryx Biopharmaceuticals, Inc. COM 492515101 11,368 1,601,172 SH   SOLE   1,497,614 0 103,558
Kimball Electronics, Inc. COM 49428J109 1,500 69,269 SH   SOLE   35,565 0 33,704
Kimberly Clark Corp. COM 494368103 986 8,380 SH   SOLE   8,380 0 0
Kirby Corp. COM 497266106 2,231 33,832 SH   SOLE   31,807 0 2,025
Knight-Swift Trnsptn Hldgs, In COM 499049104 21,614 520,189 SH   SOLE   357,909 0 162,280
Kornit Digital Ltd. COM M6372Q113 1,430 93,446 SH   SOLE   48,136 0 45,310
LCI Industries COM 50189K103 36,154 312,076 SH   SOLE   292,939 0 19,137
LeMaitre Vascular, Inc. COM 525558201 2,825 75,492 SH   SOLE   38,896 0 36,596
Lifetime Brands, Inc. COM 53222Q103 2,422 132,354 SH   SOLE   66,900 0 65,454
Ligand Pharmaceuticals, Inc. COM 53220K504 36,490 268,014 SH   SOLE   251,846 0 16,168
Lindblad Expeditions Holdings, COM 535219109 2,385 222,923 SH   SOLE   128,885 0 94,038
Lions Gate Entertainment Corp. COM 535919401 2,018 60,328 SH   SOLE   54,767 0 5,561
LKQ Corp. COM 501889208 4,491 124,787 SH   SOLE   119,046 0 5,741
Lydall, Inc. COM 550819106 2,858 49,880 SH   SOLE   25,829 0 24,051
Mallinckrodt PLC COM G5785G107 356 9,535 SH   SOLE   9,502 0 33
Marcus Corp. COM 566330106 2,273 82,045 SH   SOLE   42,350 0 39,695
MarineMax, Inc. COM 567908108 1,820 109,945 SH   SOLE   57,065 0 52,880
Masonite International Corp. COM 575385109 16,271 235,127 SH   SOLE   220,859 0 14,268
Materion Corp. COM 576690101 2,009 46,557 SH   SOLE   23,986 0 22,571
MAXIMUS, Inc. COM 577933104 18,864 292,462 SH   SOLE   274,922 0 17,540
MCBC Holdings, Inc. COM 55276F107 2,929 143,717 SH   SOLE   74,096 0 69,621
MDC Partners, Inc. COM 552697104 6,912 628,357 SH   SOLE   587,340 0 41,017
Medifast, Inc. COM 58470H101 2,314 38,980 SH   SOLE   36,211 0 2,769
Meet Group, Inc. COM 58513U101 191 52,384 SH   SOLE   46,175 0 6,209
Merck & Co., Inc. COM 58933Y105 518 8,086 SH   SOLE   8,086 0 0
Mesa Laboratories, Inc. COM 59064R109 1,941 13,001 SH   SOLE   6,701 0 6,300
Methode Electronics, Inc. COM 591520200 16,183 382,127 SH   SOLE   263,084 0 119,043
Microchip Technology, Inc. COM 595017104 2,598 28,936 SH   SOLE   26,896 0 2,040
Microsemi Corp. COM 595137100 2,399 46,596 SH   SOLE   43,275 0 3,321
Middleby Corp. COM 596278101 2,595 20,243 SH   SOLE   18,820 0 1,423
MiMedx Group, Inc. COM 602496101 1,698 142,957 SH   SOLE   73,391 0 69,566
Modine Manufacturing Co. COM 607828100 2,886 149,930 SH   SOLE   77,260 0 72,670
Monotype Imaging Holdings, Inc COM 61022P100 2,660 138,191 SH   SOLE   129,663 0 8,528
Moody's Corp. COM 615369105 484 3,479 SH   SOLE   2,715 0 764
Motorcar Parts of America, Inc COM 620071100 1,798 61,043 SH   SOLE   31,420 0 29,623
MSC Industrial Direct Co., Inc COM 553530106 9,810 129,807 SH   SOLE   121,906 0 7,901
Mueller Water Products, Inc. COM 624758108 10,225 798,842 SH   SOLE   549,266 0 249,576
MYR Group, Inc. COM 55405W104 1,554 53,338 SH   SOLE   27,402 0 25,936
National Instruments Corp. COM 636518102 1,602 37,979 SH   SOLE   34,987 0 2,992
National Oilwell Varco, Inc. COM 637071101 401 11,226 SH   SOLE   11,226 0 0
National Research Corp. Class COM 637372202 567 15,041 SH   SOLE   13,246 0 1,795
National Research Corp. Class COM 637372301 546 10,107 SH   SOLE   8,905 0 1,202
Natural Grocers by Vitamin Cot COM 63888U108 839 150,420 SH   SOLE   138,998 0 11,422
Natus Medical, Inc. COM 639050103 16,503 440,067 SH   SOLE   295,193 0 144,874
Nektar Therapeutics COM 640268108 29,695 1,237,309 SH   SOLE   1,162,889 0 74,420
NeoGenomics, Inc. COM 64049M209 3,529 317,078 SH   SOLE   163,188 0 153,890
Nutrisystem, Inc. COM 67069D108 2,629 47,027 SH   SOLE   24,289 0 22,738
NVIDIA Corp. COM 67066G104 2,030 11,354 SH   SOLE   10,505 0 849
Oil States International, Inc. COM 678026105 16,623 655,740 SH   SOLE   451,232 0 204,508
Omnicell, Inc. COM 68213N109 21,134 413,994 SH   SOLE   284,733 0 129,261
On Assignment, Inc. COM 682159108 28,252 526,309 SH   SOLE   362,498 0 163,811
ON Semiconductor Corp. COM 682189105 12,014 650,475 SH   SOLE   616,694 0 33,781
ONEOK, Inc. COM 682680103 332 6,000 SH   SOLE   6,000 0 0
Oxford Industries, Inc. COM 691497309 10,466 164,722 SH   SOLE   154,143 0 10,579
Pacira Pharmaceuticals, Inc. COM 695127100 10,267 273,434 SH   SOLE   256,961 0 16,473
Park-Ohio Holdings Corp. COM 700666100 2,589 56,772 SH   SOLE   29,136 0 27,636
Party City Holdco, Inc. COM 702149105 18,670 1,377,866 SH   SOLE   948,322 0 429,544
Pegasystems, Inc. COM 705573103 21,852 379,041 SH   SOLE   259,857 0 119,184
People's Utah Bancorp COM 712706209 2,361 72,765 SH   SOLE   37,662 0 35,103
PepsiCo, Inc. COM 713448108 1,474 13,225 SH   SOLE   13,225 0 0
Perficient, Inc. COM 71375U101 2,998 152,427 SH   SOLE   78,275 0 74,152
PGT Innovations, Inc. COM 69336V101 376 25,182 SH   SOLE   22,226 0 2,956
Photronics, Inc. COM 719405102 1,545 174,616 SH   SOLE   90,190 0 84,426
Pinnacle Foods, Inc. COM 72348P104 2,437 42,623 SH   SOLE   39,544 0 3,079
Pointer Telocation Ltd. COM M7946T104 846 49,909 SH   SOLE   44,031 0 5,878
Points International Ltd. COM 730843208 4,117 361,150 SH   SOLE   334,708 0 26,442
Polar Power, Inc. COM 73102V105 364 75,904 SH   SOLE   66,951 0 8,953
Polaris Industries, Inc. COM 731068102 735 7,026 SH   SOLE   7,002 0 24
Pool Corp. COM 73278L105 34,820 321,901 SH   SOLE   301,960 0 19,941
Power Integrations, Inc. COM 739276103 17,162 234,449 SH   SOLE   161,605 0 72,844
Premier, Inc. COM 74051N102 19,016 583,849 SH   SOLE   415,518 0 168,331
Procter & Gamble Co. COM 742718109 290 3,187 SH   SOLE   1,870 0 1,317
Progenics Pharmaceuticals, Inc COM 743187106 9,678 1,314,943 SH   SOLE   1,227,126 0 87,817
PTC, Inc. COM 69370C100 19,936 354,221 SH   SOLE   244,336 0 109,885
Puma Biotechnology, Inc. COM 74587V107 2,792 23,319 SH   SOLE   21,812 0 1,507
QUALCOMM, Inc. COM 747525103 1,647 31,766 SH   SOLE   31,766 0 0
Quanex Building Products Corp. COM 747619104 2,482 108,148 SH   SOLE   55,996 0 52,152
Repligen Corp. COM 759916109 2,574 67,159 SH   SOLE   34,793 0 32,366
REV Group, Inc. COM 749527107 18,325 637,157 SH   SOLE   438,729 0 198,428
Rocky Mountain Chocolate Facto COM 77467x101 315 26,613 SH   SOLE   23,483 0 3,130
RPX Corp. COM 74972G103 1,900 143,105 SH   SOLE   73,705 0 69,400
Shutterfly, Inc. COM 82568P304 38,858 801,520 SH   SOLE   661,773 0 139,747
Shutterstock, Inc. COM 825690100 13,856 416,214 SH   SOLE   390,285 0 25,929
Silicom Ltd. COM M84116108 3,122 53,365 SH   SOLE   27,406 0 25,959
Silicon Laboratories, Inc. COM 826919102 19,451 243,437 SH   SOLE   167,764 0 75,673
Simulations Plus, Inc. COM 829214105 1,300 83,850 SH   SOLE   73,930 0 9,920
Six Flags Entertainment Corp. COM 83001A102 1,052 17,269 SH   SOLE   17,211 0 58
Snap-on, Inc. COM 833034101 2,094 14,054 SH   SOLE   12,913 0 1,141
Snyder's-Lance, Inc. COM 833551104 15,063 394,934 SH   SOLE   272,457 0 122,477
SP Plus Corp. COM 78469C103 2,983 75,512 SH   SOLE   38,765 0 36,747
Sportsman's Warehouse Holdings COM 84920Y106 64 14,291 SH   SOLE   12,598 0 1,693
Sprouts Farmers Markets, Inc. COM 85208M102 12,444 662,956 SH   SOLE   470,934 0 192,022
SPX Flow, Inc. COM 78469X107 17,392 451,033 SH   SOLE   310,463 0 140,570
STAAR Surgical Co. COM 852312305 2,055 165,095 SH   SOLE   84,706 0 80,389
Stamps.com, Inc. COM 852857200 42,379 209,123 SH   SOLE   196,338 0 12,785
State Bank Financial Corp. COM 856190103 1,843 64,322 SH   SOLE   33,194 0 31,128
Stericycle, Inc. COM 858912108 3,144 43,898 SH   SOLE   40,196 0 3,702
STERIS PLC COM G84720104 3,409 38,567 SH   SOLE   36,660 0 1,907
Sterling Construction Co., Inc COM 859241101 4,136 271,590 SH   SOLE   139,350 0 132,240
Strayer Education, Inc. COM 863236105 11,303 129,512 SH   SOLE   120,931 0 8,581
Super Micro Computer, Inc. COM 86800U104 13,550 613,104 SH   SOLE   421,896 0 191,208
Supernus Pharmaceuticals, Inc. COM 868459108 48,973 1,224,317 SH   SOLE   1,040,076 0 184,241
Surmodics, Inc. COM 868873100 3,399 109,631 SH   SOLE   56,359 0 53,272
Sysco Corp. COM 871829107 1,135 21,035 SH   SOLE   17,035 0 4,000
Tactile Systems Technology, In COM 87357P100 2,774 89,623 SH   SOLE   46,119 0 43,504
Teleflex, Inc. COM 879369106 24,947 103,098 SH   SOLE   97,160 0 5,938
Teradyne, Inc. COM 880770102 2,736 73,381 SH   SOLE   67,848 0 5,533
Tetra Tech, Inc. COM 88162G103 56,144 1,206,092 SH   SOLE   991,294 0 214,798
Tower Semiconductor Ltd. COM M87915274 29,193 949,353 SH   SOLE   641,567 0 307,786
TPI Composites, Inc. COM 87266J104 2,338 104,638 SH   SOLE   53,702 0 50,936
Tractor Supply Co. COM 892356106 893 14,116 SH   SOLE   14,069 0 47
TransDigm Group, Inc. COM 893641100 1,342 5,251 SH   SOLE   5,233 0 18
Trex Co., Inc. COM 89531P105 6,559 72,826 SH   SOLE   68,202 0 4,624
TriMas Corp. COM 896215209 2,103 77,883 SH   SOLE   40,225 0 37,658
U.S. Physical Therapy, Inc. COM 90337L108 2,612 42,513 SH   SOLE   21,927 0 20,586
U.S. Silica Holdings, Inc. COM 90346E103 16,279 523,950 SH   SOLE   364,380 0 159,570
UMB Financial Corp. COM 902788108 18,558 249,139 SH   SOLE   171,386 0 77,753
Umpqua Holdings Corp. COM 904214103 2,628 134,717 SH   SOLE   126,125 0 8,592
Unifi, Inc. COM 904677200 2,803 78,665 SH   SOLE   40,593 0 38,072
Universal Electronics, Inc. COM 913483103 2,299 36,255 SH   SOLE   18,777 0 17,478
US Foods Holding Corp. COM 912008109 2,013 75,407 SH   SOLE   69,762 0 5,645
Utah Medical Products, Inc. COM 917488108 282 3,831 SH   SOLE   3,371 0 460
Vail Resorts, Inc. COM 91879Q109 20,935 91,771 SH   SOLE   86,448 0 5,323
Vanda Pharmaceuticals, Inc. COM 921659108 500 27,922 SH   SOLE   24,585 0 3,337
Veeco Instruments, Inc. COM 922417100 1,499 70,048 SH   SOLE   35,947 0 34,101
Virtusa Corp. COM 92827P102 3,411 90,284 SH   SOLE   46,461 0 43,823
Vocera Communications, Inc. COM 92857F107 2,793 89,042 SH   SOLE   45,915 0 43,127
Vonage Holdings Corp. COM 92886T201 4,002 491,668 SH   SOLE   253,092 0 238,576
Vulcan Materials Co COM 929160109 1,716 14,347 SH   SOLE   13,254 0 1,093
WABCO Holdings, Inc. COM 92927K102 2,919 19,723 SH   SOLE   18,349 0 1,374
Wal-Mart Stores, Inc. COM 931142103 418 5,350 SH   SOLE   5,350 0 0
Waste Management, Inc. COM 94106L109 587 7,500 SH   SOLE   7,500 0 0
WD-40 Co. COM 929236107 263 2,350 SH   SOLE   2,350 0 0
Willdan Group, Inc. COM 96924N100 322 9,931 SH   SOLE   8,757 0 1,174
Willis Towers Watson PLC COM G96629103 1,494 9,685 SH   SOLE   8,745 0 940
Winnebago Industries, Inc. COM 974637100 21,018 469,681 SH   SOLE   323,336 0 146,345
Xcel Energy, Inc. COM 98389B100 230 4,871 SH   SOLE   4,871 0 0
XO Group, Inc. COM 983772104 673 34,212 SH   SOLE   30,187 0 4,025
XPO Logistics, Inc. COM 983793100 2,475 36,514 SH   SOLE   36,391 0 123
Xylem, Inc. COM 98419M100 2,852 45,539 SH   SOLE   42,185 0 3,354
Zimmer Biomet Holdings, Inc. COM 98956P102 825 7,047 SH   SOLE   7,047 0 0
Zions Bancorp COM 989701107 2,470 52,363 SH   SOLE   48,734 0 3,629
Zix Corp. COM 98974P100 2,356 481,864 SH   SOLE   442,787 0 39,077
Criteo S.A. ADR N/A 226718104 33,097 797,529 SH   SOLE   749,188 0 48,341
MiX Telematics Ltd. ADR N/A 60688N102 3,983 401,531 SH   SOLE   372,793 0 28,738
STMicroelectronics N.V. ADR Re N/A 861012102 1,498 77,124 SH   SOLE   76,865 0 259
WNS Holdings Ltd. ADR N/A 92932M101 21,578 591,167 SH   SOLE   528,081 0 63,086
iShares Russell 2000 Growth In N/A 464287648 982 5,485 SH   SOLE   5,485 0 0
iShares Russell Microcap Index N/A 464288869 554 5,868 SH   SOLE   5,868 0 0