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 4,747 56,497 SH   SOLE   40,883 0 15,614
A.S.V. LLC COM 00215L104 2,805 386,491 SH   SOLE   386,491 0 0
ASGN Inc. COM 00191U102 203 2,485 SH   SOLE   2,485 0 0
Abiomed Inc COM 003654100 15,715 54,008 SH   SOLE   39,418 0 14,590
Accelerate Diagnostics Inc COM 00430H102 12,150 531,737 SH   SOLE   419,873 0 111,864
Activision Blizzard Inc COM 00507V109 853 12,650 SH   SOLE   12,650 0 0
Adobe Systems Inc COM 00724F101 1,949 9,024 SH   SOLE   9,024 0 0
Advanced Micro Devices COM 007903107 717 71,366 SH   SOLE   71,366 0 0
Aerie Pharmaceuticals inc COM 00771V108 4,013 73,979 SH   SOLE   52,627 0 21,352
Align Technology Inc COM 016255101 2,804 11,168 SH   SOLE   11,168 0 0
Alphabet Inc-CL C COM 02079K107 2,494 2,418 SH   SOLE   2,418 0 0
Alphabet Inc-Cl A COM 02079K305 2,050 1,977 SH   SOLE   1,977 0 0
Amazon.Com COM 023135106 4,744 3,278 SH   SOLE   3,278 0 0
American Woodmark Corp COM 030506109 3,564 36,211 SH   SOLE   25,459 0 10,752
Ameris Bancorp COM 03076K108 12,394 234,307 SH   SOLE   170,558 0 63,749
Angi Homeservices Inc COM 00183L102 7,420 546,443 SH   SOLE   393,789 0 152,654
Apple Computer Inc COM 037833100 5,409 32,244 SH   SOLE   32,244 0 0
Astec Industries COM 046224101 4,834 87,608 SH   SOLE   62,320 0 25,288
At Home Group Inc COM 04650Y100 5,464 170,550 SH   SOLE   124,000 0 46,550
Axogen Inc COM 05463X106 12,899 353,403 SH   SOLE   298,428 0 54,975
BB&T Corporation COM 054937107 2,740 52,659 SH   SOLE   52,659 0 0
Boingo Wireless Inc COM 09739C102 17,799 718,583 SH   SOLE   601,072 0 117,511
Booking Holdings Inc COM 09857L108 944 454 SH   SOLE   454 0 0
Bridgewater Bancshares Inc COM 108621103 3,326 254,500 SH   SOLE   254,500 0 0
Byline Bancorp COM 124411109 1,429 62,340 SH   SOLE   62,340 0 0
Calavo Growers Inc COM 128246105 1,790 19,418 SH   SOLE   19,418 0 0
CarGurus Inc. COM 141788109 2,748 71,444 SH   SOLE   50,219 0 21,225
CareDx COM 14167L103 12,567 1,576,858 SH   SOLE   1,413,791 0 163,067
Caterpillar Inc COM 149123101 2,665 18,088 SH   SOLE   18,088 0 0
Chegg Inc COM 163092109 8,733 422,701 SH   SOLE   300,695 0 122,006
Cintas Corp COM 172908105 2,818 16,522 SH   SOLE   16,522 0 0
Cognex Corporation COM 192422103 874 16,816 SH   SOLE   16,816 0 0
Collegium Pharmaceutical Inc COM 19459J104 4,089 160,043 SH   SOLE   160,043 0 0
Costar Group Inc COM 22160N109 16,963 46,772 SH   SOLE   35,725 0 11,047
Covenant Transport Group COM 22284P105 5,704 191,224 SH   SOLE   191,224 0 0
Cryolife Inc COM 228903100 1,451 72,416 SH   SOLE   72,416 0 0
D R Horton, Inc. COM 23331A109 264 6,043 SH   SOLE   6,043 0 0
Diamondback Energy Inc. COM 25278X109 121 961 SH   SOLE   961 0 0
Dropbox Inc. - Class A COM 26210C104 31 1,000 SH   SOLE   1,000 0 0
Dycom Industries, Inc COM 267475101 14,776 137,288 SH   SOLE   99,806 0 37,482
Eagle Materials Inc COM 26969P108 11,204 108,729 SH   SOLE   79,065 0 29,664
Echo Global Logistics Inc. COM 27875T101 14,530 526,454 SH   SOLE   421,561 0 104,893
Edwards Lifesciences Corp COM 28176E108 2,110 15,124 SH   SOLE   15,124 0 0
Epam Systems COM 29414B104 5,316 46,423 SH   SOLE   32,968 0 13,455
Everbridge Inc. COM 29978A104 7,025 191,960 SH   SOLE   191,960 0 0
Exact Sciences Corp COM 30063P105 4,235 105,030 SH   SOLE   76,363 0 28,667
Facebook Inc COM 30303M102 3,014 18,864 SH   SOLE   18,864 0 0
Fedex Corporation COM 31428X106 2,343 9,761 SH   SOLE   9,761 0 0
Five9, Inc. COM 338307101 11,697 392,680 SH   SOLE   335,133 0 57,547
Gencor Industries Inc COM 368678108 1,775 110,252 SH   SOLE   110,252 0 0
Goldman Sachs Group Com COM 38141G104 2,999 11,909 SH   SOLE   11,909 0 0
Granite Construction Inc COM 387328107 12,277 219,787 SH   SOLE   159,773 0 60,014
Guidewire Software COM 40171V100 4,236 52,414 SH   SOLE   38,323 0 14,091
HealthEquity Inc. COM 42226A107 12,563 207,517 SH   SOLE   150,764 0 56,753
HubSpot Inc COM 443573100 4,704 43,436 SH   SOLE   31,840 0 11,596
Hunt (JB) Transport Services COM 445658107 1,078 9,204 SH   SOLE   9,204 0 0
IPG Photonics Corp COM 44980X109 2,718 11,648 SH   SOLE   11,648 0 0
IRhythm Technologies COM 450056106 19,526 310,194 SH   SOLE   252,545 0 57,649
Independent Bank Group COM 45384B106 8,311 117,561 SH   SOLE   84,557 0 33,004
Inogen Inc COM 45780L104 3,945 32,118 SH   SOLE   23,258 0 8,860
Insulet Corp COM 45784P101 13,028 150,309 SH   SOLE   108,568 0 41,741
InterXion Holdings NV COM N47279109 4,829 77,758 SH   SOLE   54,770 0 22,988
Intuit COM 461202103 2,421 13,968 SH   SOLE   13,968 0 0
Intuitive Surgical Inc. COM 46120E602 1,358 3,290 SH   SOLE   3,290 0 0
Kingstone Cos Inc COM 496719105 5,887 350,457 SH   SOLE   350,457 0 0
Kinsale Capital Group COM 49714P108 23,254 453,048 SH   SOLE   363,453 0 89,595
Knight-Swift Transportation Ho COM 499049104 10,808 234,920 SH   SOLE   170,801 0 64,119
LGI Homes Inc. COM 50187T106 9,976 141,371 SH   SOLE   107,448 0 33,923
Las Vegas Sands Corp COM 517834107 3,435 47,778 SH   SOLE   47,778 0 0
Ligand Pharmaceuticals COM 53220K504 9,255 56,039 SH   SOLE   40,560 0 15,479
MASTERcARD, Inc. COM 57636Q104 3,709 21,176 SH   SOLE   21,176 0 0
Manitex International COM 563420108 3,716 325,155 SH   SOLE   325,155 0 0
Marinemax Inc COM 567908108 1,570 80,763 SH   SOLE   80,763 0 0
Marketaxess Holdings Inc COM 57060D108 18,403 84,637 SH   SOLE   63,902 0 20,735
Marten Transport COM 573075108 9,652 423,358 SH   SOLE   342,206 0 81,152
Mastec Inc COM 576323109 9,617 204,407 SH   SOLE   145,305 0 59,102
Meta Financial Group, Inc. COM 59100U108 2,871 26,295 SH   SOLE   26,295 0 0
Microsoft Corp. COM 594918104 912 9,999 SH   SOLE   9,999 0 0
Mimecast Ltd COM G14838109 4,355 122,932 SH   SOLE   86,429 0 36,503
Mindbody Inc COM 60255W105 1,852 47,613 SH   SOLE   47,613 0 0
Model N Inc COM 607525102 1,868 103,542 SH   SOLE   103,542 0 0
Monolithic Power Systems, Inc COM 609839105 5,575 48,163 SH   SOLE   34,816 0 13,347
Monster Beverage Corp COM 61174X109 2,008 35,105 SH   SOLE   35,105 0 0
NMI Holdings COM 629209305 14,402 870,240 SH   SOLE   695,880 0 174,360
Netflix.com Inc. COM 64110L106 1,411 4,778 SH   SOLE   4,778 0 0
Nevro Corp COM 64157F103 138 1,600 SH   SOLE   1,600 0 0
New Relix Inc COM 64829B100 2,449 33,047 SH   SOLE   23,235 0 9,812
Nuvectra Corp COM 67075N108 1,871 143,711 SH   SOLE   143,711 0 0
Nvidia Corporation COM 67066G104 1,841 7,951 SH   SOLE   7,951 0 0
Old Dominion Freight Line COM 679580100 11,979 81,509 SH   SOLE   59,485 0 22,024
Ollie's Bargain Outlet COM 681116109 5,203 86,301 SH   SOLE   61,737 0 24,564
Optinose, Inc. COM 68404V100 3,136 156,656 SH   SOLE   156,656 0 0
Orthopediatrics Corp COM 68752L100 2,179 144,715 SH   SOLE   144,715 0 0
Pacific Premier Bancorp Inc COM 69478X105 6,243 155,320 SH   SOLE   111,956 0 43,364
PayPal Holdings Inc. COM 70450Y103 875 11,538 SH   SOLE   11,538 0 0
Paycom Software Inc COM 70432V102 2,580 24,032 SH   SOLE   17,418 0 6,614
Primo Water Corp COM 74165N105 3,576 305,438 SH   SOLE   305,438 0 0
Progressive Corp COM 743315103 2,955 48,499 SH   SOLE   48,499 0 0
Proofpoint Inc. COM 743424103 5,821 51,225 SH   SOLE   37,213 0 14,012
Pros Hldgs Inc COM 74346Y103 4,150 125,733 SH   SOLE   125,733 0 0
Q2 Holdings COM 74736L109 4,908 107,768 SH   SOLE   78,562 0 29,206
Quanta Services, Inc. COM 74762E102 10,190 296,670 SH   SOLE   215,725 0 80,945
Quotient Technology Inc COM 749119103 17,410 1,329,071 SH   SOLE   1,062,525 0 266,546
RBC Bearings COM 75524B104 8,488 68,349 SH   SOLE   49,680 0 18,669
Rapid7 Inc COM 753422104 2,026 79,271 SH   SOLE   79,271 0 0
Realpage Inc COM 75606N109 143 2,781 SH   SOLE   2,781 0 0
RingCentral INc. COM 76680R206 2,472 38,939 SH   SOLE   28,009 0 10,930
SLM Corporation COM 78442P106 143 12,765 SH   SOLE   12,765 0 0
SailPoint Technologies Holding COM 78781P105 4,003 193,513 SH   SOLE   136,054 0 57,459
Salesforce.com Inc COM 79466L302 1,394 11,992 SH   SOLE   11,992 0 0
ServiceNow Inc COM 81762P102 1,070 6,468 SH   SOLE   6,468 0 0
Shopify Inc COM 82509L107 115 927 SH   SOLE   927 0 0
Square Inc COM 852234103 967 19,656 SH   SOLE   19,656 0 0
Starr Surgical Company COM 852312305 1,852 125,161 SH   SOLE   125,161 0 0
Sterling Construction Co COM 859241101 1,334 116,438 SH   SOLE   116,438 0 0
Summit Materials Inc COM 86614U100 6,730 222,261 SH   SOLE   161,491 0 60,770
Tabula Rasa Healthcare Inc COM 873379101 3,368 86,805 SH   SOLE   86,805 0 0
Tactile Systems Technology COM 87357P100 14,562 457,926 SH   SOLE   384,039 0 73,887
Talend SA- ADR COM 874224207 10,704 222,460 SH   SOLE   187,038 0 35,422
TechTarget COM 87874R100 14,894 749,205 SH   SOLE   658,357 0 90,848
Titan International COM 88830M102 2,004 158,984 SH   SOLE   158,984 0 0
Trex Company Inc COM 89531P105 7,126 65,522 SH   SOLE   46,420 0 19,102
Trimble Inc COM 896239100 1,386 38,650 SH   SOLE   38,650 0 0
US Concrete COM 90333L201 14,473 239,628 SH   SOLE   188,890 0 50,738
USA Technologies COM 90328S500 13,276 1,475,112 SH   SOLE   1,299,413 0 175,699
Ultimate Software Group Inc. COM 90385D107 4,843 19,873 SH   SOLE   14,706 0 5,167
Union Pacific Corp COM 907818108 2,680 19,940 SH   SOLE   19,940 0 0
United Rentals Inc COM 911363109 2,620 15,169 SH   SOLE   15,169 0 0
Unitedhealth Group, Inc. COM 91324P102 1,651 7,719 SH   SOLE   7,719 0 0
Universal Stainless & Alloy COM 913837100 5,806 211,132 SH   SOLE   211,132 0 0
Veeva Systems Inc. Class A` COM 922475108 130 1,791 SH   SOLE   1,791 0 0
Vericel Corp COM 92346J108 3,699 371,825 SH   SOLE   371,825 0 0
Viewray Inc. COM 92672L107 3,687 573,537 SH   SOLE   573,537 0 0
Visa Inc COM 92826C839 3,247 27,151 SH   SOLE   27,151 0 0
Vocera Communications COM 92857F107 4,931 210,568 SH   SOLE   210,568 0 0
Vulcan Materials Co COM 929160109 2,201 19,282 SH   SOLE   19,282 0 0
Wabco Holdings Inc COM 92927K102 112 839 SH   SOLE   839 0 0
Wal-Mart Stores, Inc. COM 931142103 872 9,806 SH   SOLE   9,806 0 0
William Lyon Homes COM 552074700 2,141 77,916 SH   SOLE   77,916 0 0