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 |
3-D SYS CORP DEL COM NEW | COM | 88554D205 | 540 | 13,510 | SH | | SOLE | | 13,510 | 0 | 0 |
3M COMPANY | COM | 88579y101 | 1,436 | 7,230 | SH | | SOLE | | 7,230 | 0 | 0 |
AAC HOLDINGS INC | COM | 000307108 | 1 | 22,500 | SH | | SOLE | | 22,500 | 0 | 0 |
ABBOTT LABORATORIES | COM | 002824100 | 2,220 | 19,150 | SH | | SOLE | | 19,150 | 0 | 0 |
ABBVIE INC SHS | COM | 00287y109 | 1,144 | 10,155 | SH | | SOLE | | 10,155 | 0 | 0 |
ABCAM PLC | COM | 000380204 | 11,527 | 605,412 | SH | | SOLE | | 605,412 | 0 | 0 |
ACCENTURE PLC F CLASS A | COM | g1151c101 | 637 | 2,161 | SH | | SOLE | | 2,161 | 0 | 0 |
ADOBE SYSTEMS INC | COM | 00724F101 | 319 | 544 | SH | | SOLE | | 544 | 0 | 0 |
AIR PROD & CHEMICALS | COM | 009158106 | 634 | 2,203 | SH | | SOLE | | 2,203 | 0 | 0 |
ALARM.COM | COM | 011642105 | 12,242 | 144,528 | SH | | SOLE | | 144,528 | 0 | 0 |
ALLSTATE CORPORATION | COM | 020002101 | 201 | 1,543 | SH | | SOLE | | 1,543 | 0 | 0 |
ALPHABET INC CLASS C | COM | 02079K107 | 191,924 | 76,576 | SH | | SOLE | | 76,576 | 0 | 0 |
ALPHABET INC. CLASS A | COM | 02079k305 | 3,294 | 1,349 | SH | | SOLE | | 1,349 | 0 | 0 |
AMAZON.COM INC | COM | 023135106 | 173,095 | 50,316 | SH | | SOLE | | 50,316 | 0 | 0 |
AMERICAN TOWER CORP | COM | 03027X100 | 190,621 | 705,638 | SH | | SOLE | | 705,638 | 0 | 0 |
AMGEN INC. | COM | 031162100 | 675 | 2,770 | SH | | SOLE | | 2,770 | 0 | 0 |
AMPHENOL CORP NEW CL A | COM | 032095101 | 231 | 3,372 | SH | | SOLE | | 3,372 | 0 | 0 |
ANALOG DEVICES INC | COM | 032654105 | 649 | 3,772 | SH | | SOLE | | 3,772 | 0 | 0 |
ANSYS INC | COM | 03662Q105 | 336,794 | 970,419 | SH | | SOLE | | 970,419 | 0 | 0 |
APPLE INC | COM | 037833100 | 13,651 | 99,673 | SH | | SOLE | | 99,673 | 0 | 0 |
ASPEN TECHNOLOGY, INC. | COM | 045327103 | 11,332 | 82,390 | SH | | SOLE | | 82,390 | 0 | 0 |
ATLASSIAN CORPORATION PLC | COM | G06242104 | 70,179 | 273,219 | SH | | SOLE | | 273,219 | 0 | 0 |
ATRION CORPORATION | COM | 049904105 | 20,277 | 32,655 | SH | | SOLE | | 32,655 | 0 | 0 |
AUTO DATA PROCESSING | COM | 053015103 | 2,417 | 12,168 | SH | | SOLE | | 12,168 | 0 | 0 |
BANK AMER CORP COM | COM | 060505104 | 574 | 13,922 | SH | | SOLE | | 13,922 | 0 | 0 |
BANK OF HAWAII CORP | COM | 062540109 | 248 | 2,942 | SH | | SOLE | | 2,942 | 0 | 0 |
BECTON DICKINSON&CO | COM | 075887109 | 469 | 1,928 | SH | | SOLE | | 1,928 | 0 | 0 |
BERKLEY W R CORP | COM | 084423102 | 1,493 | 20,061 | SH | | SOLE | | 20,061 | 0 | 0 |
BERKSHIRE HATHAWAY INC DELAWA | COM | 084670108 | 2,930 | 7 | SH | | SOLE | | 7 | 0 | 0 |
BERKSHIRE HATHAWAY INC CL B | COM | 084670702 | 8,408 | 30,255 | SH | | SOLE | | 30,255 | 0 | 0 |
BIO-TECHNE CORP | COM | 09073M104 | 344,745 | 765,659 | SH | | SOLE | | 765,659 | 0 | 0 |
BLACK KNIGHT INC | COM | 09215C105 | 227,029 | 2,911,374 | SH | | SOLE | | 2,911,374 | 0 | 0 |
BLACKLINE INC | COM | 09239B109 | 282,564 | 2,539,445 | SH | | SOLE | | 2,539,445 | 0 | 0 |
BRIGHT HEALTH GROUP | COM | 10920v107 | 743 | 43,317 | SH | | SOLE | | 43,317 | 0 | 0 |
BRIGHT HORIZONS FAM SOL IN DEL | COM | 109194100 | 93,496 | 635,555 | SH | | SOLE | | 635,555 | 0 | 0 |
BRISTOL-MYERS SQUIBB | COM | 110122108 | 233 | 3,483 | SH | | SOLE | | 3,483 | 0 | 0 |
BRITISH AMER TOBACCO PLC ADR | COM | 110448107 | 212 | 5,402 | SH | | SOLE | | 5,402 | 0 | 0 |
BROADRIDGE FINL SOLUTIONS | COM | 11133T103 | 399 | 2,473 | SH | | SOLE | | 2,473 | 0 | 0 |
BROOKS AUTOMATION INC | COM | 114340102 | 166,650 | 1,749,054 | SH | | SOLE | | 1,749,054 | 0 | 0 |
CABLE ONE INC COM | COM | 12685J105 | 262,708 | 137,342 | SH | | SOLE | | 137,342 | 0 | 0 |
CALAVO GROWERS INC | COM | 128246105 | 2,495 | 39,338 | SH | | SOLE | | 39,338 | 0 | 0 |
CANADIAN NATL RAILWY F | COM | 136375102 | 1,530 | 14,500 | SH | | SOLE | | 14,500 | 0 | 0 |
CAPITAL ONE FINL CORP COM | COM | 14040H105 | 3,287 | 21,247 | SH | | SOLE | | 21,247 | 0 | 0 |
CARMAX INC | COM | 143130102 | 190,693 | 1,476,521 | SH | | SOLE | | 1,476,521 | 0 | 0 |
CASTLE BIOSCIENCES INC. | COM | 14843C105 | 6,908 | 94,200 | SH | | SOLE | | 94,200 | 0 | 0 |
CBRE GROUP INC | COM | 12504L109 | 141,275 | 1,647,908 | SH | | SOLE | | 1,647,908 | 0 | 0 |
CDW CORP COM | COM | 12514G108 | 592 | 3,391 | SH | | SOLE | | 3,391 | 0 | 0 |
CHARTER COMMUNICATIONS, INC. | COM | 16119p108 | 242 | 335 | SH | | SOLE | | 335 | 0 | 0 |
CHEVRON CORP | COM | 166764100 | 423 | 4,039 | SH | | SOLE | | 4,039 | 0 | 0 |
CHUBB LTD | COM | h1467j104 | 621 | 3,910 | SH | | SOLE | | 3,910 | 0 | 0 |
CISCO SYSTEMS INC | COM | 17275r102 | 3,425 | 64,628 | SH | | SOLE | | 64,628 | 0 | 0 |
COCA COLA COM | COM | 191216100 | 2,150 | 39,730 | SH | | SOLE | | 39,730 | 0 | 0 |
COGENT COMMUNICATIONS HOLDINGS | COM | 19239V302 | 18,730 | 243,601 | SH | | SOLE | | 243,601 | 0 | 0 |
COLGATE-PALMOLIVE CO | COM | 194162103 | 895 | 11,000 | SH | | SOLE | | 11,000 | 0 | 0 |
COMCAST CORP NEW CL A | COM | 20030n101 | 3,915 | 68,658 | SH | | SOLE | | 68,658 | 0 | 0 |
CONOCOPHILLIPS | COM | 20825c104 | 201 | 3,300 | SH | | SOLE | | 3,300 | 0 | 0 |
CONSTELLATION SOFTWARE F | COM | 21037x100 | 11,213 | 7,392 | SH | | SOLE | | 7,392 | 0 | 0 |
COSTAR GROUP INC | COM | 22160N109 | 190,251 | 2,297,160 | SH | | SOLE | | 2,297,160 | 0 | 0 |
COSTCO WHOLESALE CO | COM | 22160k105 | 1,051 | 2,655 | SH | | SOLE | | 2,655 | 0 | 0 |
COUPA SOFTWARE | COM | 22266l106 | 39,205 | 149,573 | SH | | SOLE | | 149,573 | 0 | 0 |
CROWDSTRIKE HOLDINGS, INC. | COM | 22788c105 | 117,002 | 465,567 | SH | | SOLE | | 465,567 | 0 | 0 |
CROWN CASTLE REIT INC | COM | 22822v101 | 10,800 | 55,357 | SH | | SOLE | | 55,357 | 0 | 0 |
CVS HEALTH CORP | COM | 126650100 | 419 | 5,016 | SH | | SOLE | | 5,016 | 0 | 0 |
DANAHER CORP | COM | 235851102 | 197,624 | 736,413 | SH | | SOLE | | 736,413 | 0 | 0 |
DISCOVER FINANCIAL SERVICES | COM | 254709108 | 2,098 | 17,737 | SH | | SOLE | | 17,737 | 0 | 0 |
DOLLAR GENERAL CORP | COM | 256677105 | 81,006 | 374,353 | SH | | SOLE | | 374,353 | 0 | 0 |
DOUGLAS DYNAMICS INC | COM | 25960R105 | 18,836 | 462,910 | SH | | SOLE | | 462,910 | 0 | 0 |
DUKE REALTY CORP REIT | COM | 264411505 | 294 | 6,200 | SH | | SOLE | | 6,200 | 0 | 0 |
EAST WEST BANCORP INC | COM | 27579r104 | 581 | 8,100 | SH | | SOLE | | 8,100 | 0 | 0 |
EATON CORP PLC SHS | COM | G29183103 | 208 | 1,405 | SH | | SOLE | | 1,405 | 0 | 0 |
ECOLAB INC | COM | 278865100 | 253,967 | 1,233,028 | SH | | SOLE | | 1,233,028 | 0 | 0 |
EDWARDS LIFESCIENCES | COM | 28176e108 | 3,647 | 35,213 | SH | | SOLE | | 35,213 | 0 | 0 |
EMERSON ELECTRIC CO | COM | 291011104 | 654 | 6,793 | SH | | SOLE | | 6,793 | 0 | 0 |
ENTERPRISE PRODS PART LP | COM | 293792107 | 958 | 39,712 | SH | | SOLE | | 39,712 | 0 | 0 |
ENVESTNET INC | COM | 29404K106 | 52,706 | 694,785 | SH | | SOLE | | 694,785 | 0 | 0 |
EQUITY RESIDENTIAL REIT | COM | 29476l107 | 218 | 2,826 | SH | | SOLE | | 2,826 | 0 | 0 |
EVERTEC INC | COM | 30040P103 | 17,290 | 396,106 | SH | | SOLE | | 396,106 | 0 | 0 |
EVO PAYMENTS INC | COM | 26927e104 | 16,093 | 580,135 | SH | | SOLE | | 580,135 | 0 | 0 |
EXACT SCIENCES CORP COM | COM | 30063p105 | 336 | 2,700 | SH | | SOLE | | 2,700 | 0 | 0 |
EXPONENT INC | COM | 30214U102 | 12,615 | 141,410 | SH | | SOLE | | 141,410 | 0 | 0 |
EXXON MOBIL CORP | COM | 30231g102 | 789 | 12,515 | SH | | SOLE | | 12,515 | 0 | 0 |
FACEBOOK INC CLASS | COM | 30303m102 | 631 | 1,815 | SH | | SOLE | | 1,815 | 0 | 0 |
FASTENAL CO | COM | 311900104 | 216,717 | 4,167,644 | SH | | SOLE | | 4,167,644 | 0 | 0 |
FISERV INC | COM | 337738108 | 5,370 | 50,234 | SH | | SOLE | | 50,234 | 0 | 0 |
FLOOR & DECOR HOLDINGS, INC. | COM | 339750101 | 23,326 | 220,680 | SH | | SOLE | | 220,680 | 0 | 0 |
FORTINET INC COM | COM | 34959E109 | 2,156 | 9,053 | SH | | SOLE | | 9,053 | 0 | 0 |
FRANCO-NEVADA CORPORATION | COM | 351858105 | 1,182 | 8,150 | SH | | SOLE | | 8,150 | 0 | 0 |
FULTON FINL CORP PA COM | COM | 360271100 | 1,050 | 66,565 | SH | | SOLE | | 66,565 | 0 | 0 |
GENUINE PARTS CO | COM | 372460105 | 258 | 2,039 | SH | | SOLE | | 2,039 | 0 | 0 |
GUIDEWIRE SOFTWARE INC | COM | 40171V100 | 87,466 | 775,954 | SH | | SOLE | | 775,954 | 0 | 0 |
HAMILTON LANE INC | COM | 407497106 | 20,658 | 226,707 | SH | | SOLE | | 226,707 | 0 | 0 |
HEALTHEQUITY, INC. | COM | 42226A107 | 16,447 | 204,364 | SH | | SOLE | | 204,364 | 0 | 0 |
HEALTHPEAK PPTYS INC | COM | 42250p103 | 1,315 | 39,487 | SH | | SOLE | | 39,487 | 0 | 0 |
HECLA MINING | COM | 422704106 | 517 | 69,500 | SH | | SOLE | | 69,500 | 0 | 0 |
HEICO CORP CL A | COM | 422806208 | 202,664 | 1,632,019 | SH | | SOLE | | 1,632,019 | 0 | 0 |
HOME DEPOT INC | COM | 437076102 | 1,235 | 3,873 | SH | | SOLE | | 3,873 | 0 | 0 |
HONEYWELL INTL INC | COM | 438516106 | 853 | 3,890 | SH | | SOLE | | 3,890 | 0 | 0 |
IAA INC. | COM | 449253103 | 18,052 | 330,990 | SH | | SOLE | | 330,990 | 0 | 0 |
IBM CORP | COM | 459200101 | 684 | 4,668 | SH | | SOLE | | 4,668 | 0 | 0 |
IDEXX LABS INC | COM | 45168d104 | 161,917 | 256,380 | SH | | SOLE | | 256,380 | 0 | 0 |
ILLINOIS TOOL WORKS | COM | 452308109 | 687 | 3,075 | SH | | SOLE | | 3,075 | 0 | 0 |
ILLUMINA INC | COM | 452327109 | 331,575 | 700,693 | SH | | SOLE | | 700,693 | 0 | 0 |
INTEL CORP | COM | 458140100 | 11,285 | 201,014 | SH | | SOLE | | 201,014 | 0 | 0 |
INTUIT INC. | COM | 461202103 | 258 | 527 | SH | | SOLE | | 527 | 0 | 0 |
INTUITIVE SURGICAL INC | COM | 46120E602 | 297,195 | 323,164 | SH | | SOLE | | 323,164 | 0 | 0 |
J P MORGAN CHASE & CO | COM | 46625h100 | 6,926 | 44,528 | SH | | SOLE | | 44,528 | 0 | 0 |
JACOBS ENGR GROUP INC DEL COM | COM | 469814107 | 251 | 1,880 | SH | | SOLE | | 1,880 | 0 | 0 |
JOHN BEAN TECHNOLOGIES | COM | 477839104 | 18,118 | 127,039 | SH | | SOLE | | 127,039 | 0 | 0 |
JOHNSON & JOHNSON | COM | 478160104 | 12,312 | 74,737 | SH | | SOLE | | 74,737 | 0 | 0 |
KANSAS CITY SOUTHERN COM NEW | COM | 485170302 | 2,377 | 8,390 | SH | | SOLE | | 8,390 | 0 | 0 |
KEYON COMMUNI HOLD INC | COM | 493312201 | 0 | 16,667 | SH | | SOLE | | 16,667 | 0 | 0 |
KEYSIGHT TECHNOLOGIES INC | COM | 49338l103 | 2,307 | 14,940 | SH | | SOLE | | 14,940 | 0 | 0 |
LABORATORY CORP AMER HLDGS COM | COM | 50540R409 | 2,295 | 8,321 | SH | | SOLE | | 8,321 | 0 | 0 |
LEMAITRE VASCULAR | COM | 525558201 | 14,741 | 241,577 | SH | | SOLE | | 241,577 | 0 | 0 |
LILLY ELI & CO | COM | 532457108 | 1,257 | 5,476 | SH | | SOLE | | 5,476 | 0 | 0 |
LITTELFUSE INC | COM | 537008104 | 3,237 | 12,705 | SH | | SOLE | | 12,705 | 0 | 0 |
LOWE'S COMPANIES INC | COM | 548661107 | 4,757 | 24,522 | SH | | SOLE | | 24,522 | 0 | 0 |
M & T BANK CORP | COM | 55261f104 | 647 | 4,451 | SH | | SOLE | | 4,451 | 0 | 0 |
MAGELLAN MIDSTREAM PRTNRS LP C | COM | 559080106 | 680 | 13,907 | SH | | SOLE | | 13,907 | 0 | 0 |
MARKEL CORP HLDG CO | COM | 570535104 | 265,511 | 223,737 | SH | | SOLE | | 223,737 | 0 | 0 |
MARSH & MC LENNAN COMPANIES IN | COM | 571748102 | 371 | 2,636 | SH | | SOLE | | 2,636 | 0 | 0 |
MASIMO CORP COM | COM | 574795100 | 73,137 | 301,657 | SH | | SOLE | | 301,657 | 0 | 0 |
MASTERCARD INC-CLASS A | COM | 57636Q104 | 195,196 | 534,651 | SH | | SOLE | | 534,651 | 0 | 0 |
MC DONALDS CORP | COM | 580135101 | 623 | 2,695 | SH | | SOLE | | 2,695 | 0 | 0 |
MCCORMICK & CO INC COM NON VTG | COM | 579780206 | 2,050 | 23,210 | SH | | SOLE | | 23,210 | 0 | 0 |
MEDPACE HOLDINGS, INC. | COM | 58506Q109 | 16,808 | 95,162 | SH | | SOLE | | 95,162 | 0 | 0 |
MEDTRONIC PLC F | COM | g5960l103 | 448 | 3,607 | SH | | SOLE | | 3,607 | 0 | 0 |
MERCK & CO. INC. | COM | 58933y105 | 3,950 | 50,794 | SH | | SOLE | | 50,794 | 0 | 0 |
MERGENET SOLUTIONS INC COM | COM | 58950m109 | 10 | 10,000 | SH | | SOLE | | 10,000 | 0 | 0 |
MESA LABS INC | COM | 59064R109 | 15,257 | 56,263 | SH | | SOLE | | 56,263 | 0 | 0 |
MICRON TECHNOLOGY INC | COM | 595112103 | 2,071 | 24,375 | SH | | SOLE | | 24,375 | 0 | 0 |
MICROSOFT CORP | COM | 594918104 | 30,117 | 111,172 | SH | | SOLE | | 111,172 | 0 | 0 |
MIDDLEBY CORP | COM | 596278101 | 888 | 5,125 | SH | | SOLE | | 5,125 | 0 | 0 |
MOMENTIVE GLOBAL INC COM | COM | 60878Y108 | 11,272 | 534,979 | SH | | SOLE | | 534,979 | 0 | 0 |
MONDELEZ INTL INC | COM | 609207105 | 519 | 8,309 | SH | | SOLE | | 8,309 | 0 | 0 |
MOODYS CORP | COM | 615369105 | 258,829 | 714,266 | SH | | SOLE | | 714,266 | 0 | 0 |
NASPERS SPON ADR EACH REP 0.2 | COM | 631512209 | 285 | 6,750 | SH | | SOLE | | 6,750 | 0 | 0 |
NEOGEN CORP COM | COM | 640491106 | 1,087 | 23,600 | SH | | SOLE | | 23,600 | 0 | 0 |
NESTLE S A F SPONSORED ADR 1 A | COM | 641069406 | 766 | 6,142 | SH | | SOLE | | 6,142 | 0 | 0 |
NEWMONT GOLDCORP CORP | COM | 651639106 | 426 | 6,727 | SH | | SOLE | | 6,727 | 0 | 0 |
NEXTERA ENERGY INC SHS | COM | 65339f101 | 593 | 8,094 | SH | | SOLE | | 8,094 | 0 | 0 |
NIKE INC CL B | COM | 654106103 | 243 | 1,574 | SH | | SOLE | | 1,574 | 0 | 0 |
NORFOLK SOUTHERN CO | COM | 655844108 | 3,756 | 14,152 | SH | | SOLE | | 14,152 | 0 | 0 |
NOVANTA INC COM NPV | COM | 67000b104 | 17,092 | 126,834 | SH | | SOLE | | 126,834 | 0 | 0 |
NOVARTIS AG F SPONSORED ADR 1 | COM | 66987v109 | 500 | 5,475 | SH | | SOLE | | 5,475 | 0 | 0 |
NUTRIEN LTD | COM | 67077m108 | 2,528 | 41,705 | SH | | SOLE | | 41,705 | 0 | 0 |
O REILLY AUTOMOTIVE | COM | 67103h107 | 24,047 | 42,470 | SH | | SOLE | | 42,470 | 0 | 0 |
OKTA, INC | COM | 679295105 | 108,012 | 441,441 | SH | | SOLE | | 441,441 | 0 | 0 |
OLD DOMINION FGHT LINES INC CO | COM | 679580100 | 47,455 | 186,977 | SH | | SOLE | | 186,977 | 0 | 0 |
ORTHOPEDIATRICS CORP | COM | 68752L100 | 29,427 | 465,759 | SH | | SOLE | | 465,759 | 0 | 0 |
PAYCHEX INC | COM | 704326107 | 4,369 | 40,718 | SH | | SOLE | | 40,718 | 0 | 0 |
PAYPAL HLDGS INC COM | COM | 70450Y103 | 361 | 1,237 | SH | | SOLE | | 1,237 | 0 | 0 |
PEPSICO INC | COM | 713448108 | 1,215 | 8,198 | SH | | SOLE | | 8,198 | 0 | 0 |
PFIZER INC | COM | 717081103 | 2,658 | 67,870 | SH | | SOLE | | 67,870 | 0 | 0 |
PINNACLE WEST CAP CORP | COM | 723484101 | 246 | 3,000 | SH | | SOLE | | 3,000 | 0 | 0 |
PNC FINL SERVICES | COM | 693475105 | 760 | 3,983 | SH | | SOLE | | 3,983 | 0 | 0 |
POOL CORPORATION | COM | 73278l105 | 1,215 | 2,648 | SH | | SOLE | | 2,648 | 0 | 0 |
PRICE T ROWE GROUP INC | COM | 74144T108 | 18,548 | 93,689 | SH | | SOLE | | 93,689 | 0 | 0 |
PROCORE TECHNOLOGIES INC | COM | 74275K108 | 20,206 | 212,806 | SH | | SOLE | | 212,806 | 0 | 0 |
PROCTER & GAMBLE CO | COM | 742718109 | 18,505 | 137,145 | SH | | SOLE | | 137,145 | 0 | 0 |
PROS HOLDINGS INC | COM | 74346Y103 | 44,091 | 967,553 | SH | | SOLE | | 967,553 | 0 | 0 |
QUALCOMM INC | COM | 747525103 | 118,294 | 827,639 | SH | | SOLE | | 827,639 | 0 | 0 |
QUALYS INC COM | COM | 74758t303 | 11,691 | 116,108 | SH | | SOLE | | 116,108 | 0 | 0 |
REALTY INCM CRP MD PV$1.REIT | COM | 756109104 | 316 | 4,740 | SH | | SOLE | | 4,740 | 0 | 0 |
REPLIGEN CORPORATION | COM | 759916109 | 11,523 | 57,726 | SH | | SOLE | | 57,726 | 0 | 0 |
REPUBLIC SVCS INC | COM | 760759100 | 240 | 2,181 | SH | | SOLE | | 2,181 | 0 | 0 |
ROPER TECHNOLOGIES INC | COM | 776696106 | 209,445 | 445,438 | SH | | SOLE | | 445,438 | 0 | 0 |
RPM INTERNATIONAL INC | COM | 749685103 | 337 | 3,800 | SH | | SOLE | | 3,800 | 0 | 0 |
S & P GLOBAL INC | COM | 78409V104 | 183,304 | 446,593 | SH | | SOLE | | 446,593 | 0 | 0 |
SBA COMMUNICATIONS CORP CL A | COM | 78410G104 | 184,871 | 580,080 | SH | | SOLE | | 580,080 | 0 | 0 |
SEI INVESTMENTS CO | COM | 784117103 | 307 | 4,953 | SH | | SOLE | | 4,953 | 0 | 0 |
SERVICE CORP INTL | COM | 817565104 | 568 | 10,594 | SH | | SOLE | | 10,594 | 0 | 0 |
SHORE BANCSHARES, INC. | COM | 825107105 | 455 | 27,175 | SH | | SOLE | | 27,175 | 0 | 0 |
SIMPSON MANUFACTURING CO | COM | 829073105 | 10,992 | 99,533 | SH | | SOLE | | 99,533 | 0 | 0 |
SITEONE LANDSCAPE SUPPLY, INC. | COM | 82982L103 | 25,769 | 152,246 | SH | | SOLE | | 152,246 | 0 | 0 |
SOUTHERN COMPANY | COM | 842587107 | 202 | 3,341 | SH | | SOLE | | 3,341 | 0 | 0 |
SOUTHWEST AIRLINES CO | COM | 844741108 | 2,714 | 51,125 | SH | | SOLE | | 51,125 | 0 | 0 |
STARBUCKS CORP COM | COM | 855244109 | 439 | 3,929 | SH | | SOLE | | 3,929 | 0 | 0 |
STERIS PLC | COM | G8473t100 | 324 | 1,570 | SH | | SOLE | | 1,570 | 0 | 0 |
STRYKER CORP | COM | 863667101 | 236 | 909 | SH | | SOLE | | 909 | 0 | 0 |
TARGET CORP COM | COM | 87612E106 | 224 | 928 | SH | | SOLE | | 928 | 0 | 0 |
TELADOC INC | COM | 87918A105 | 3,623 | 21,787 | SH | | SOLE | | 21,787 | 0 | 0 |
TELEFLEX INC COM | COM | 879369106 | 213,959 | 532,513 | SH | | SOLE | | 532,513 | 0 | 0 |
TEXAS INSTRUMENTS | COM | 882508104 | 226 | 1,174 | SH | | SOLE | | 1,174 | 0 | 0 |
THE DESCARTES SYSTEMS GROUP IN | COM | 249906108 | 11,396 | 164,778 | SH | | SOLE | | 164,778 | 0 | 0 |
THERMO FISHER SCIENTIFIC INC | COM | 883556102 | 164,660 | 326,402 | SH | | SOLE | | 326,402 | 0 | 0 |
TOPICUS COM INC REGISTERED SHS | COM | 89072T102 | 998 | 13,673 | SH | | SOLE | | 13,673 | 0 | 0 |
TRANSDIGM GROUP INC | COM | 893641100 | 217,776 | 336,443 | SH | | SOLE | | 336,443 | 0 | 0 |
TREX COMPANY, INC. | COM | 89531P105 | 23,640 | 231,287 | SH | | SOLE | | 231,287 | 0 | 0 |
TRIMBLE INC | COM | 896239100 | 918 | 11,215 | SH | | SOLE | | 11,215 | 0 | 0 |
TRUPANION, INC. | COM | 898202106 | 11,684 | 101,508 | SH | | SOLE | | 101,508 | 0 | 0 |
TWILIO INC. | COM | 90138F102 | 108,842 | 276,137 | SH | | SOLE | | 276,137 | 0 | 0 |
TYLER TECHNOLOGIES INC | COM | 902252105 | 48,861 | 108,012 | SH | | SOLE | | 108,012 | 0 | 0 |
U S BANCORP | COM | 902973304 | 1,163 | 20,420 | SH | | SOLE | | 20,420 | 0 | 0 |
UNION PACIFIC CORP | COM | 907818108 | 410 | 1,866 | SH | | SOLE | | 1,866 | 0 | 0 |
UNITED PARCEL SRVC CLASS B | COM | 911312106 | 512 | 2,461 | SH | | SOLE | | 2,461 | 0 | 0 |
UNITEDHEALTH GRP INC | COM | 91324p102 | 2,817 | 7,035 | SH | | SOLE | | 7,035 | 0 | 0 |
VEEVA SYSTEMS, INC. | COM | 922475108 | 127,862 | 411,199 | SH | | SOLE | | 411,199 | 0 | 0 |
VENTAS INC REIT | COM | 92276f100 | 1,012 | 17,726 | SH | | SOLE | | 17,726 | 0 | 0 |
VERISK ANALYTICS INC | COM | 92345Y106 | 211,858 | 1,212,556 | SH | | SOLE | | 1,212,556 | 0 | 0 |
VERIZON COMMUNICATN | COM | 92343v104 | 738 | 13,174 | SH | | SOLE | | 13,174 | 0 | 0 |
VISA INC CL A | COM | 92826C839 | 275,348 | 1,177,607 | SH | | SOLE | | 1,177,607 | 0 | 0 |
VULCAN MATERIALS CO | COM | 929160109 | 286,954 | 1,648,495 | SH | | SOLE | | 1,648,495 | 0 | 0 |
W.P. CAREY INC. REIT | COM | 92936u109 | 420 | 5,625 | SH | | SOLE | | 5,625 | 0 | 0 |
WABTEC | COM | 929740108 | 3,720 | 45,200 | SH | | SOLE | | 45,200 | 0 | 0 |
WALMART INC | COM | 931142103 | 723 | 5,127 | SH | | SOLE | | 5,127 | 0 | 0 |
WALT DISNEY CO | COM | 254687106 | 1,018 | 5,791 | SH | | SOLE | | 5,791 | 0 | 0 |
WASTE CONNECTIONS INC | COM | 94106B101 | 265,796 | 2,225,539 | SH | | SOLE | | 2,225,539 | 0 | 0 |
WATSCO INC | COM | 942622200 | 6,332 | 22,089 | SH | | SOLE | | 22,089 | 0 | 0 |
WAYFAIR | COM | 94419L101 | 1,774 | 5,618 | SH | | SOLE | | 5,618 | 0 | 0 |
WD-40 COMPANY | COM | 929236107 | 5,949 | 23,213 | SH | | SOLE | | 23,213 | 0 | 0 |
WELLS FARGO BK N A | COM | 949746101 | 2,180 | 48,144 | SH | | SOLE | | 48,144 | 0 | 0 |
WILLSCOT MOBILE MINI HOLDINGS | COM | 971378104 | 37,016 | 1,328,162 | SH | | SOLE | | 1,328,162 | 0 | 0 |
WNS HOLDINGS LTD | COM | 92932M101 | 6,982 | 87,413 | SH | | SOLE | | 87,413 | 0 | 0 |
WORKIVA INC | COM | 98139A105 | 38,239 | 343,476 | SH | | SOLE | | 343,476 | 0 | 0 |
WSFS FINANCIAL CORP | COM | 929328102 | 208 | 4,469 | SH | | SOLE | | 4,469 | 0 | 0 |
GLOBAL X SILVER MINERS ETF | ETFS | 26924g102 | 649 | 42,700 | SH | | SOLE | | 42,700 | 0 | 0 |
ISHARES CORE S&P 500 ETF | ETFS | 464287200 | 491 | 1,143 | SH | | SOLE | | 1,143 | 0 | 0 |
ISHARES MSCI EAFE ETF | ETFS | 464287465 | 778 | 9,857 | SH | | SOLE | | 9,857 | 0 | 0 |
ISHARES MSCI GLOBAL SILVER & M | ETFS | 464286327 | 630 | 41,000 | SH | | SOLE | | 41,000 | 0 | 0 |
ISHARES RUSSELL MIDCAP INDEX F | ETFS | 464287499 | 259 | 3,265 | SH | | SOLE | | 3,265 | 0 | 0 |
SELECT SECTOR SPDR TR SBI INT- | ETFS | 81369Y605 | 203 | 5,523 | SH | | SOLE | | 5,523 | 0 | 0 |
SPDR FUND CONSUMER DISCRE SELE | ETFS | 81369y407 | 256 | 1,431 | SH | | SOLE | | 1,431 | 0 | 0 |
SPDR GOLD TRUST | ETFS | 78463v107 | 254 | 1,533 | SH | | SOLE | | 1,533 | 0 | 0 |
VANGUARD DIVIDEND APPREC | ETFS | 921908844 | 1,611 | 10,409 | SH | | SOLE | | 10,409 | 0 | 0 |
VANGUARD FTSE ALL WORLD EX US | ETFS | 922042775 | 3,825 | 60,339 | SH | | SOLE | | 60,339 | 0 | 0 |
VANGUARD FTSE DEVELOPED MARKET | ETFS | 921943858 | 216 | 4,202 | SH | | SOLE | | 4,202 | 0 | 0 |
VANGUARD FTSE EMERGING MARKETS | ETFS | 922042858 | 975 | 17,946 | SH | | SOLE | | 17,946 | 0 | 0 |
VANGUARD HEALTH CARE | ETFS | 92204a504 | 298 | 1,204 | SH | | SOLE | | 1,204 | 0 | 0 |
VANGUARD HIGH DIVIDEND YIELD E | ETFS | 921946406 | 967 | 9,226 | SH | | SOLE | | 9,226 | 0 | 0 |
VANGUARD INDEX FDS SMALL CP ET | ETFS | 922908751 | 515 | 2,286 | SH | | SOLE | | 2,286 | 0 | 0 |
VANGUARD INFO TECHNOLOGY INDEX | ETFS | 92204a702 | 422 | 1,058 | SH | | SOLE | | 1,058 | 0 | 0 |
VANGUARD MID CAP ETF | ETFS | 922908629 | 601 | 2,533 | SH | | SOLE | | 2,533 | 0 | 0 |
VANGUARD REIT ETF | ETFS | 922908553 | 1,511 | 14,846 | SH | | SOLE | | 14,846 | 0 | 0 |
VANGUARD S&P 500 ETF | ETFS | 922908363 | 5,545 | 14,092 | SH | | SOLE | | 14,092 | 0 | 0 |
VANGUARD TOTAL STK MKT ETF | ETFS | 922908769 | 670 | 3,006 | SH | | SOLE | | 3,006 | 0 | 0 |
WISDOMTREE TR INDIA ERNGS FD | ETFS | 97717W422 | 305 | 9,000 | SH | | SOLE | | 9,000 | 0 | 0 |