DF DENT & CO INC Q1 2020 Filing

Filed May 15, 2020

Portfolio Value

$5.2B

Holdings

193

Report Date

Q1 2020

Filing Type

13F-HR

All Holdings (193 positions)

#StockSharesValue% PortfolioType
1
AKXANSYS INC
937,783$218.0B4204.11%
2
MKLMARKEL CORP HLDG CO
203,671$189.0B3644.44%
3
VVISA INC CL A
1,163,971$187.5B3616.57%
4
WCNWASTE CONNECTIONS INC
2,290,893$177.5B3423.82%
5
ILMNILLUMINA INC
644,637$176.1B3395.26%
6
ECLECOLAB INC
1,127,572$175.7B3388.46%
7
VRSKVERISK ANALYTICS INC
1,227,058$171.0B3298.15%
8
ROPROPER TECHNOLOGIES INC
545,776$170.2B3281.77%
9
MCOMOODYS CORP
781,527$165.3B3187.57%
10
BLBLACKLINE INC
3,028,196$159.3B3072.25%
11
VMCVULCAN MATERIALS CO
1,462,659$158.1B3048.28%
12
ISRGINTUITIVE SURGICAL INC
304,114$150.6B2904.22%
13
TECHBIO-TECHNE CORP
792,611$150.3B2898.34%
14
FASTFASTENAL CO
4,182,102$130.7B2520.29%
15
AMZNAMAZON.COM INC
65,514$127.7B2463.27%
16
TYLTYLER TECHNOLOGIES INC
426,347$126.4B2438.26%
17
CSGPCOSTAR GROUP INC
212,342$124.7B2404.55%
18
SPGIS & P GLOBAL INC
502,661$123.2B2375.39%
19
MAMASTERCARD INC-CLASS A
495,910$119.8B2310.11%
20
GOOGALPHABET INC CLASS C
102,982$119.7B2309.26%
21
AMTAMERICAN TOWER CORP
543,940$118.4B2284.10%
22
TFXTELEFLEX INC COM
365,673$107.1B2065.18%
23
T7DTRANSDIGM GROUP INC
320,716$102.7B1980.31%
24
DHRDANAHER CORP
736,740$102.0B1966.46%
25
PROPROS HOLDINGS INC
3,214,146$99.7B1923.33%
26
CABOCABLE ONE INC COM
56,798$93.4B1800.70%
27
TMOTHERMO FISHER SCIENTIFIC INC
327,419$92.9B1790.67%
28
BKIEURBLACK KNIGHT INC
1,594,460$92.6B1785.23%
29
CBRECBRE GROUP INC
2,435,770$91.9B1771.33%
30
SBACSBA COMMUNICATIONS CORP CL A
339,630$91.7B1768.18%
31
QLYSQUALYS INC COM
1,031,085$89.7B1729.69%
32
KMXCARMAX INC
1,499,570$80.7B1556.67%
33
OKTAOKTA, INC
589,982$72.1B1391.00%
34
ENVUSDENVESTNET INC
1,288,081$69.3B1335.89%
35
AZTABROOKS AUTOMATION INC
1,942,841$59.3B1142.73%
36
VEEVVEEVA SYSTEMS, INC.
348,027$54.4B1049.47%
37
HEIHEICO CORP CL A
790,198$50.5B973.74%
38
IDEXX LABS INC
154,751$37.5B722.91%
39
TEAMATLASSIAN CORPORATION PLC
230,501$31.6B610.14%
40
DGDOLLAR GENERAL CORP
181,558$27.4B528.72%
41
TWLOTWILIO INC.
275,310$24.6B475.11%
42
QCOMQUALCOMM INC
312,905$21.2B408.21%
43
ODFLOLD DOMINION FGHT LINES INC CO
139,831$18.4B353.95%
44
MSFTMICROSOFT CORP
110,323$17.4B335.53%
45
PGPROCTER & GAMBLE CO
144,989$15.9B307.57%
46
INTCINTEL CORP
265,667$14.4B277.27%
47
COUPA SOFTWARE
100,566$14.1B270.98%
48
ORLYO REILLY AUTOMOTIVE
44,752$13.5B259.82%
49
KIDSORTHOPEDIATRICS CORP
306,715$12.2B234.46%
50
MARMARRIOTT INTERNATIONAL INC
156,030$11.7B225.11%
51
JNJJOHNSON AND JOHNSON COM
86,319$11.3B218.28%
52
PLOWDOUGLAS DYNAMICS INC
289,529$10.3B198.26%
53
TDOCTELADOC INC
65,141$10.1B194.73%
54
MLABMESA LABS INC
41,992$9.5B183.09%
55
HLNEHAMILTON LANE INC
167,114$9.2B178.25%
56
TREXTREX COMPANY, INC.
112,873$9.0B174.45%
57
SITESITEONE LANDSCAPE SUPPLY, INC.
122,252$9.0B173.56%
58
TROWPRICE T ROWE GROUP INC
91,643$8.9B172.58%
59
GWREGUIDEWIRE SOFTWARE INC
111,992$8.9B171.28%
60
OGM1COGENT COMMUNICATIONS
108,103$8.9B170.88%
61
NOVTNOVANTA INC COM NPV
110,813$8.9B170.71%
62
CCICROWN CASTLE REIT INC
56,602$8.2B157.61%
63
AAPLAPPLE INC
29,732$7.6B145.81%
64
CONSTELLATION SOFTWR F
8,145$7.4B142.68%
65
BRK/BBERKSHIRE HATHAWAY INC CL B
37,735$6.9B133.04%
66
MNROMONRO INC
150,332$6.6B127.01%
67
EVO PAYMENTS INC
393,289$6.0B116.03%
68
IAA-WUSDIAA INC.
200,437$6.0B115.80%
69
BFAMBRIGHT HORIZONS FAM SOL IN DEL
56,905$5.8B111.93%
70
TRUPTRUPANION, INC.
213,104$5.5B106.97%
71
FISVFISERV INC
58,360$5.5B106.91%
72
DSGTHE DESCARTES SYSTEMS GROUP IN
154,545$5.3B102.50%
73
FNDFLOOR & DECOR HOLDINGS, INC.
163,462$5.2B101.15%
74
JBTJOHN BEAN TECHNOLOGIES
70,036$5.2B100.32%
75
EXPOEXPONENT INC
68,732$4.9B95.32%
76
VOOVANGUARD S&P 500 ETF
19,447$4.6B88.80%
77
ATRIUSDATRION CORPORATION
6,584$4.3B82.54%
78
MRKMERCK & CO. INC.
54,502$4.2B80.86%
79
J P MORGAN CHASE & CO
43,466$3.9B75.46%
80
EVTCEVERTEC INC
170,625$3.9B74.78%
81
CVGWCALAVO GROWERS INC
65,355$3.8B72.70%
82
HELIOS TECHNOLOGIES ORD SHS
99,281$3.8B72.61%
83
WSOWATSCO INC
22,929$3.6B69.87%
84
WDFCWD-40 COMPANY
17,605$3.5B68.19%
85
WWAYFAIR
65,792$3.5B67.80%
86
LYVLIVE NATION
69,551$3.2B60.98%
87
PAYXPAYCHEX INC
48,080$3.0B58.34%
88
IEXIDEX CORP
21,595$3.0B57.51%
89
MIDDMIDDLEBY CORP
50,053$2.8B54.90%
90
LOWLOWE'S COMPANIES INC
33,050$2.8B54.84%
91
LMATLEMAITRE VASCULAR
112,441$2.8B54.03%
92
RGENREPLIGEN CORPORATION
27,848$2.7B51.84%
93
VEUVANGUARD FTSE ALL WORLD EX US
64,974$2.7B51.39%
94
LFUSLITTELFUSE INC
19,801$2.6B50.95%
95
CANTEL MEDICAL CORP
68,980$2.5B47.75%
96
CISCO SYSTEMS INC
61,992$2.4B47.00%
97
CMCSACOMCAST CORP NEW CL A
70,201$2.4B46.55%
98
NSCNORFOLK SOUTHERN CO
15,853$2.3B44.64%
99
OSWONESPAWORLD HOLDINGS LTD
568,924$2.3B44.55%
100
EWEDWARDS LIFESCIENCES
11,366$2.1B41.35%
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