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
2U Inc COM 90214J101 4,387 52,509 SH   SOLE   39,737 0 12,772
Abiomed Inc COM 003654100 1,476 3,609 SH   SOLE   3,609 0 0
Accelerate Diagnostics Inc COM 00430H102 13,649 612,106 SH   SOLE   494,017 0 118,089
Activision Blizzard Inc COM 00507V109 965 12,650 SH   SOLE   12,650 0 0
Adobe Systems Inc COM 00724F101 2,200 9,024 SH   SOLE   9,024 0 0
Advanced Micro Devices COM 007903107 1,797 119,895 SH   SOLE   119,895 0 0
Align Technology Inc COM 016255101 3,122 9,125 SH   SOLE   9,125 0 0
Allied Motion Technologies COM 019330109 2,898 60,531 SH   SOLE   60,531 0 0
Alphabet Inc-CL C COM 02079K107 2,697 2,418 SH   SOLE   2,418 0 0
Alphabet Inc-Cl A COM 02079K305 2,232 1,977 SH   SOLE   1,977 0 0
Amazon.Com COM 023135106 5,571 3,278 SH   SOLE   3,278 0 0
American Woodmark Corp COM 030506109 5,109 55,811 SH   SOLE   41,317 0 14,494
Ameris Bancorp COM 03076K108 7,473 140,092 SH   SOLE   106,590 0 33,502
Angi Homeservices Inc COM 00183L102 7,857 510,890 SH   SOLE   386,015 0 124,875
Apple Computer Inc COM 037833100 4,067 21,972 SH   SOLE   21,972 0 0
Aspen Group COM 04530L203 258 34,613 SH   SOLE   34,613 0 0
Astec Industries COM 046224101 4,915 82,192 SH   SOLE   61,506 0 20,686
At Home Group Inc COM 04650Y100 14,280 364,769 SH   SOLE   277,523 0 87,246
Atlassian Corp Plc-Class A COM G06242104 968 15,490 SH   SOLE   15,490 0 0
Axogen Inc COM 05463X106 5,042 100,348 SH   SOLE   75,632 0 24,716
Boingo Wireless Inc COM 09739C102 16,264 719,969 SH   SOLE   614,795 0 105,174
Booking Holdings Inc COM 09857L108 920 454 SH   SOLE   454 0 0
Bridgewater Bancshares Inc COM 108621103 3,475 273,242 SH   SOLE   273,242 0 0
Calavo Growers Inc COM 128246105 6,664 69,310 SH   SOLE   56,220 0 13,090
CarGurus Inc. COM 141788109 4,983 143,441 SH   SOLE   108,224 0 35,217
CareDx COM 14167L103 14,763 1,206,130 SH   SOLE   1,049,801 0 156,329
Caterpillar Inc COM 149123101 2,849 21,006 SH   SOLE   21,006 0 0
Century Communities Inc COM 156504300 3,361 106,542 SH   SOLE   106,542 0 0
Chart Industries, Inc. COM 16115Q308 4,835 78,400 SH   SOLE   58,621 0 19,779
Chegg Inc COM 163092109 10,123 364,279 SH   SOLE   272,392 0 91,887
Cintas Corp COM 172908105 3,057 16,522 SH   SOLE   16,522 0 0
Collegium Pharmaceutical Inc COM 19459J104 2,930 122,857 SH   SOLE   122,857 0 0
Costar Group Inc COM 22160N109 3,539 8,579 SH   SOLE   8,579 0 0
Costco Wholesale Corp COM 22160K105 2,867 13,720 SH   SOLE   13,720 0 0
Covenant Transport Group COM 22284P105 5,936 188,461 SH   SOLE   188,461 0 0
Cryolife Inc COM 228903100 1,984 71,240 SH   SOLE   71,240 0 0
Cryoport Inc COM 229050307 1,240 78,615 SH   SOLE   78,615 0 0
Cutera Inc COM 232109108 9,909 245,883 SH   SOLE   209,463 0 36,420
D R Horton, Inc. COM 23331A109 247 6,043 SH   SOLE   6,043 0 0
Dycom Industries, Inc COM 267475101 15,299 161,881 SH   SOLE   123,171 0 38,710
Eagle Materials Inc COM 26969P108 10,647 101,436 SH   SOLE   77,170 0 24,266
Echo Global Logistics Inc. COM 27875T101 14,573 498,248 SH   SOLE   412,444 0 85,804
Edwards Lifesciences Corp COM 28176E108 2,201 15,124 SH   SOLE   15,124 0 0
Epam Systems COM 29414B104 5,736 46,139 SH   SOLE   35,132 0 11,007
Everbridge Inc. COM 29978A104 13,780 290,612 SH   SOLE   264,519 0 26,093
Exact Sciences Corp COM 30063P105 5,062 84,668 SH   SOLE   64,538 0 20,130
Facebook Inc COM 30303M102 3,665 18,864 SH   SOLE   18,864 0 0
Fedex Corporation COM 31428X106 957 4,215 SH   SOLE   4,215 0 0
Gencor Industries Inc COM 368678108 1,751 108,468 SH   SOLE   108,468 0 0
Goldman Sachs Group Com COM 38141G104 952 4,317 SH   SOLE   4,317 0 0
Goosehead Insurance Inc. COM 38267D109 8,160 326,931 SH   SOLE   301,992 0 24,939
Granite Construction Inc COM 387328107 11,409 204,981 SH   SOLE   155,888 0 49,093
HealthEquity Inc. COM 42226A107 12,621 168,057 SH   SOLE   127,846 0 40,211
Hunt (JB) Transport Services COM 445658107 1,118 9,204 SH   SOLE   9,204 0 0
IPG Photonics Corp COM 44980X109 2,569 11,648 SH   SOLE   11,648 0 0
IRhythm Technologies COM 450056106 13,016 160,444 SH   SOLE   121,404 0 39,040
Illumina Inc COM 452327109 974 3,488 SH   SOLE   3,488 0 0
Independent Bank Group COM 45384B106 5,019 75,149 SH   SOLE   57,096 0 18,053
Inogen Inc COM 45780L104 4,951 26,573 SH   SOLE   20,032 0 6,541
Inspire Medical Systems Inc COM 457730109 2,247 63,036 SH   SOLE   63,036 0 0
Insulet Corp COM 45784P101 10,328 120,514 SH   SOLE   91,353 0 29,161
InterXion Holdings NV COM N47279109 4,561 73,073 SH   SOLE   54,268 0 18,805
Intuit COM 461202103 2,853 13,968 SH   SOLE   13,968 0 0
Intuitive Surgical Inc. COM 46120E602 1,574 3,290 SH   SOLE   3,290 0 0
Kingstone Cos Inc COM 496719105 6,163 364,694 SH   SOLE   364,694 0 0
Kinsale Capital Group COM 49714P108 26,170 477,041 SH   SOLE   393,202 0 83,839
Knight-Swift Transportation Ho COM 499049104 8,370 219,075 SH   SOLE   166,624 0 52,451
LGI Homes Inc. COM 50187T106 6,503 112,653 SH   SOLE   84,903 0 27,750
Las Vegas Sands Corp COM 517834107 3,648 47,778 SH   SOLE   47,778 0 0
Ligand Pharmaceuticals COM 53220K504 10,816 52,213 SH   SOLE   39,551 0 12,662
Limoneira Co COM 532746104 2,461 100,000 SH   SOLE   100,000 0 0
Liveperson, Inc. COM 538146101 4,728 224,114 SH   SOLE   168,970 0 55,144
MASTERcARD, Inc. COM 57636Q104 4,161 21,176 SH   SOLE   21,176 0 0
Manitex International COM 563420108 3,913 313,619 SH   SOLE   313,619 0 0
Marinemax Inc COM 567908108 1,506 79,513 SH   SOLE   79,513 0 0
Marketaxess Holdings Inc COM 57060D108 5,837 29,503 SH   SOLE   23,557 0 5,946
Marten Transport COM 573075108 9,468 403,787 SH   SOLE   337,403 0 66,384
Mastec Inc COM 576323109 9,729 191,721 SH   SOLE   143,374 0 48,347
Meta Financial Group, Inc. COM 59100U108 1,809 18,576 SH   SOLE   18,576 0 0
Microsoft Corp. COM 594918104 2,874 29,149 SH   SOLE   29,149 0 0
Mimecast Ltd COM G14838109 4,743 115,104 SH   SOLE   85,244 0 29,860
Model N Inc COM 607525102 3,188 171,423 SH   SOLE   171,423 0 0
Monolithic Power Systems, Inc COM 609839105 8,116 60,720 SH   SOLE   46,514 0 14,206
Netflix.com Inc. COM 64110L106 3,026 7,732 SH   SOLE   7,732 0 0
Neuronetics Inc COM 64131A105 2,594 97,500 SH   SOLE   97,500 0 0
New Relic Inc COM 64829B100 2,503 24,887 SH   SOLE   18,609 0 6,278
Nuvectra Corp COM 67075N108 2,904 141,488 SH   SOLE   141,488 0 0
Nvidia Corporation COM 67066G104 1,883 7,951 SH   SOLE   7,951 0 0
Old Dominion Freight Line COM 679580100 11,312 75,942 SH   SOLE   57,926 0 18,016
Ollie's Bargain Outlet COM 681116109 10,092 139,213 SH   SOLE   105,017 0 34,196
Optinose, Inc. COM 68404V100 8,300 296,675 SH   SOLE   296,675 0 0
Orthopediatrics Corp COM 68752L100 5,762 216,317 SH   SOLE   216,317 0 0
PayPal Holdings Inc. COM 70450Y103 960 11,538 SH   SOLE   11,538 0 0
Penumbra Inc. COM 70975L107 4,072 29,481 SH   SOLE   22,054 0 7,427
Planet Fitness COM 72703H101 7,294 166,015 SH   SOLE   123,835 0 42,180
Primo Water Corp COM 74165N105 6,128 350,373 SH   SOLE   350,373 0 0
Progressive Corp COM 743315103 2,868 48,499 SH   SOLE   48,499 0 0
Proofpoint Inc. COM 743424103 5,507 47,765 SH   SOLE   36,303 0 11,462
Pros Hldgs Inc COM 74346Y103 4,523 123,706 SH   SOLE   123,706 0 0
Q2 Holdings COM 74736L109 2,704 47,401 SH   SOLE   36,838 0 10,563
Quanta Services, Inc. COM 74762E102 11,368 340,362 SH   SOLE   258,182 0 82,180
Quotient Technology Inc COM 749119103 7,388 563,971 SH   SOLE   469,196 0 94,775
RBC Bearings COM 75524B104 13,262 102,962 SH   SOLE   78,326 0 24,636
Rapid7 Inc COM 753422104 2,201 78,025 SH   SOLE   78,025 0 0
RingCentral INc. COM 76680R206 4,887 69,480 SH   SOLE   52,368 0 17,112
SLM Corporation COM 78442P106 146 12,765 SH   SOLE   12,765 0 0
Salesforce.com Inc COM 79466L302 1,635 11,992 SH   SOLE   11,992 0 0
SendGrid, Inc. COM 816883102 10,158 383,057 SH   SOLE   326,170 0 56,887
ServiceNow Inc COM 81762P102 1,115 6,468 SH   SOLE   6,468 0 0
Sientra Inc COM 82621J105 3,592 184,158 SH   SOLE   184,158 0 0
Splunk Inc COM 848637104 879 8,875 SH   SOLE   8,875 0 0
Starr Surgical Company COM 852312305 15,744 507,871 SH   SOLE   448,548 0 59,323
Sterling Construction Co COM 859241101 2,656 203,874 SH   SOLE   203,874 0 0
Summit Materials Inc COM 86614U100 5,442 207,329 SH   SOLE   157,618 0 49,711
Tabula Rasa Healthcare Inc COM 873379101 2,330 36,507 SH   SOLE   36,507 0 0
Tactile Systems Technology COM 87357P100 20,683 397,767 SH   SOLE   347,054 0 50,713
Talend SA- ADR COM 874224207 12,743 204,622 SH   SOLE   169,058 0 35,564
TechTarget COM 87874R100 22,907 806,619 SH   SOLE   703,635 0 102,984
Trex Company Inc COM 89531P105 7,689 122,851 SH   SOLE   91,599 0 31,252
US Concrete COM 90333L201 12,290 234,104 SH   SOLE   192,599 0 41,505
USA Technologies COM 90328S500 24,287 1,734,822 SH   SOLE   1,500,301 0 234,521
Union Pacific Corp COM 907818108 2,825 19,940 SH   SOLE   19,940 0 0
United Rentals Inc COM 911363109 2,821 19,112 SH   SOLE   19,112 0 0
Unitedhealth Group, Inc. COM 91324P102 1,893 7,719 SH   SOLE   7,719 0 0
Universal Stainless & Alloy COM 913837100 5,689 240,371 SH   SOLE   240,371 0 0
Vericel Corp COM 92346J108 3,550 366,010 SH   SOLE   366,010 0 0
Viewray Inc. COM 92672L107 4,333 626,278 SH   SOLE   626,278 0 0
Visa Inc COM 92826C839 3,596 27,151 SH   SOLE   27,151 0 0
Vocera Communications COM 92857F107 6,150 205,767 SH   SOLE   205,767 0 0
Vulcan Materials Co COM 929160109 2,883 22,345 SH   SOLE   22,345 0 0
William Lyon Homes COM 552074700 3,063 132,065 SH   SOLE   132,065 0 0
Wix.com Ltd COM M98068105 8,666 86,410 SH   SOLE   65,514 0 20,896
nLight Inc COM 65487K100 789 23,869 SH   SOLE   23,869 0 0