DF DENT & CO INC Q1 2021 Filing

Filed May 17, 2021

Portfolio Value

$8.6T

Holdings

231

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (231 positions)

#StockSharesValue% PortfolioType
1
TECHBIO-TECHNE CORP
868,402$331.7B3.85%
2
AKXANSYS INC
934,323$317.3B3.68%
3
VMCVULCAN MATERIALS CO
1,648,784$278.2B3.23%
4
BLBLACKLINE INC
2,541,483$275.5B3.20%
5
ILMNILLUMINA INC
696,807$267.6B3.11%
6
ECLECOLAB INC
1,232,481$263.8B3.06%
7
MKLMARKEL CORP HLDG CO
224,480$255.8B2.97%
8
VVISA INC CL A
1,197,686$253.6B2.94%
9
WCNWASTE CONNECTIONS INC
2,245,817$242.5B2.82%
10
ISRGINTUITIVE SURGICAL INC
324,448$239.7B2.78%
11
CABOCABLE ONE INC COM
129,217$236.3B2.74%
12
MCOMOODYS CORP
756,780$226.0B2.62%
13
TFXTELEFLEX INC COM
540,818$224.7B2.61%
14
ROPROPER TECHNOLOGIES INC
534,003$215.4B2.50%
15
VRSKVERISK ANALYTICS INC
1,212,920$214.3B2.49%
16
FASTFASTENAL CO
4,181,765$210.3B2.44%
17
KMXCARMAX INC
1,553,674$206.1B2.39%
18
T7DTRANSDIGM GROUP INC
335,693$197.4B2.29%
19
MAMASTERCARD INC-CLASS A
537,890$191.5B2.22%
20
BKIEURBLACK KNIGHT INC
2,556,511$189.2B2.20%
21
CSGPCOSTAR GROUP INC
227,771$187.2B2.17%
22
AMTAMERICAN TOWER CORP
706,742$169.0B1.96%
23
DHRDANAHER CORP
744,841$167.6B1.95%
24
GOOGALPHABET INC CLASS C
76,974$159.2B1.85%
25
SPGIS & P GLOBAL INC
450,895$159.1B1.85%
26
SBACSBA COMMUNICATIONS CORP CL A
569,716$158.1B1.84%
27
AMZNAMAZON.COM INC
50,804$157.2B1.82%
28
CBRECBRE GROUP INC
1,975,326$156.3B1.81%
29
HEIHEICO CORP CL A
1,368,085$155.4B1.80%
30
TMOTHERMO FISHER SCIENTIFIC INC
329,734$150.5B1.75%
31
AZTABROOKS AUTOMATION INC
1,718,115$140.3B1.63%
32
IDEXX LABS INC
259,221$126.8B1.47%
33
QCOMQUALCOMM INC
830,015$110.1B1.28%
34
VEEVVEEVA SYSTEMS, INC.
408,835$106.8B1.24%
35
OKTAOKTA, INC
443,331$97.7B1.13%
36
ENVUSDENVESTNET INC
1,334,350$96.4B1.12%
37
TWLOTWILIO INC.
276,358$94.2B1.09%
38
CRWDCROWDSTRIKE HOLDINGS, INC.
462,986$84.5B0.98%
39
GWREGUIDEWIRE SOFTWARE INC
764,247$77.7B0.90%
40
DGDOLLAR GENERAL CORP
378,060$76.6B0.89%
41
BFAMBRIGHT HORIZONS FAM SOL IN DEL
399,544$68.5B0.80%
42
PROPROS HOLDINGS INC
1,414,297$60.1B0.70%
43
TEAMATLASSIAN CORPORATION PLC
272,905$57.5B0.67%
44
3M4MASIMO CORP COM
201,691$46.3B0.54%
45
QLYSQUALYS INC COM
438,617$46.0B0.53%
46
ODFLOLD DOMINION FGHT LINES INC CO
184,701$44.4B0.52%
47
COUPA SOFTWARE
145,952$37.1B0.43%
48
WKWORKIVA INC
316,872$28.0B0.32%
49
TYLTYLER TECHNOLOGIES INC
64,037$27.2B0.32%
50
MSFTMICROSOFT CORP
112,795$26.6B0.31%
51
KIDSORTHOPEDIATRICS CORP
538,916$26.3B0.30%
52
TREXTREX COMPANY, INC.
267,146$24.5B0.28%
53
ORLYO REILLY AUTOMOTIVE
43,082$21.9B0.25%
54
SITESITEONE LANDSCAPE SUPPLY, INC.
124,170$21.2B0.25%
55
PLOWDOUGLAS DYNAMICS INC
444,533$20.5B0.24%
56
ATRIUSDATRION CORPORATION
31,968$20.5B0.24%
57
FNDFLOOR & DECOR HOLDINGS, INC.
208,624$19.9B0.23%
58
HLNEHAMILTON LANE INC
212,500$18.8B0.22%
59
PGPROCTER & GAMBLE CO
138,781$18.8B0.22%
60
IAA-WUSDIAA INC.
317,409$17.5B0.20%
61
TROWPRICE T ROWE GROUP INC
94,553$16.2B0.19%
62
JBTJOHN BEAN TECHNOLOGIES
119,132$15.9B0.18%
63
NOVTNOVANTA INC COM NPV
118,651$15.6B0.18%
64
OGM1COGENT COMMUNICATIONS HOLDINGS
223,475$15.4B0.18%
65
EVO PAYMENTS INC
521,710$14.4B0.17%
66
AAPLAPPLE INC
116,273$14.2B0.16%
67
INTCINTEL CORP
217,474$13.9B0.16%
68
EVTCEVERTEC INC
369,366$13.7B0.16%
69
JNJJOHNSON AND JOHNSON COM
80,629$13.3B0.15%
70
HQYHEALTHEQUITY, INC.
191,537$13.0B0.15%
71
MEDPMEDPACE HOLDINGS, INC.
79,087$13.0B0.15%
72
MLABMESA LABS INC
53,016$12.9B0.15%
73
ALRMALARM.COM
140,451$12.1B0.14%
74
AZPNUSDASPEN TECHNOLOGY, INC.
83,653$12.1B0.14%
75
EXPOEXPONENT INC
120,235$11.7B0.14%
76
LMATLEMAITRE VASCULAR
226,715$11.1B0.13%
77
RGENREPLIGEN CORPORATION
54,023$10.5B0.12%
78
CONSTELLATION SOFTWARE F
7,392$10.4B0.12%
79
CCICROWN CASTLE REIT INC
55,408$9.5B0.11%
80
DSGTHE DESCARTES SYSTEMS GROUP IN
154,460$9.4B0.11%
81
BRK/BBERKSHIRE HATHAWAY INC CL B
30,871$7.9B0.09%
82
J P MORGAN CHASE & CO
49,296$7.5B0.09%
83
SVMK, INC
408,104$7.5B0.09%
84
LFUSLITTELFUSE INC
26,259$6.9B0.08%
85
WDFCWD-40 COMPANY
21,901$6.7B0.08%
86
SSDSIMPSON MANUFACTURING CO
64,099$6.6B0.08%
87
CVGWCALAVO GROWERS INC
79,118$6.1B0.07%
88
MNROMONRO INC
92,614$6.1B0.07%
89
FISVFISERV INC
50,894$6.1B0.07%
90
CSTLCASTLE BIOSCIENCES INC.
87,343$6.0B0.07%
91
WSOWATSCO INC
22,154$5.8B0.07%
92
VOOVANGUARD S&P 500 ETF
15,151$5.5B0.06%
93
LOWLOWE'S COMPANIES INC
24,659$4.7B0.05%
94
HELIOS TECHNOLOGIES ORD SHS
63,173$4.6B0.05%
95
TRUPTRUPANION, INC.
59,083$4.5B0.05%
96
TDOCTELADOC INC
22,277$4.0B0.05%
97
PAYXPAYCHEX INC
41,018$4.0B0.05%
98
NSCNORFOLK SOUTHERN CO
14,914$4.0B0.05%
99
MIDDMIDDLEBY CORP
23,940$4.0B0.05%
100
MRKMERCK & CO. INC.
50,911$3.9B0.05%
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