DF DENT & CO INC Q1 2017 Filing

Filed May 15, 2017

Portfolio Value

$3.5T

Holdings

172

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (172 positions)

#StockSharesValue% PortfolioType
1
ROPROPER TECHNOLOGIES INC
821,408$169.6B4.79%
2
RHT1EURRED HAT INC
1,803,495$156.0B4.41%
3
ECLECOLAB INC
1,145,281$143.6B4.06%
4
AKXANSYS INC
1,314,099$140.4B3.97%
5
VVISA INC CL A
1,446,443$128.5B3.63%
6
SEICSEI INVESTMENTS CO
2,436,564$122.9B3.47%
7
ISRGINTUITIVE SURGICAL INC
153,376$117.6B3.32%
8
MCOMOODYS CORP
1,030,031$115.4B3.26%
9
CELGCELGENE CORP
894,174$111.3B3.14%
10
LKQ1LKQ CORP
3,761,714$110.1B3.11%
11
VRSKVERISK ANALYTICS INC
1,210,605$98.2B2.78%
12
WAGEWORKS INC
1,347,406$97.4B2.75%
13
IMAIMAX CORP
2,829,790$96.2B2.72%
14
TYLTYLER TECHNOLOGIES INC
612,286$94.6B2.67%
15
MKLMARKEL CORP HLDG CO
95,634$93.3B2.64%
16
TRMBTRIMBLE INC
2,852,896$91.3B2.58%
17
WCNWASTE CONNECTIONS INC
1,005,718$88.7B2.51%
18
KMXCARMAX INC
1,467,534$86.9B2.46%
19
CSGPCOSTAR GROUP INC
416,127$86.2B2.44%
20
WABWABTEC
1,074,742$83.8B2.37%
21
AMTAMERICAN TOWER REIT INC
687,352$83.5B2.36%
22
GOOGALPHABET INC CLASS C
96,804$80.3B2.27%
23
SPGIS & P GLOBAL INC
564,676$73.8B2.09%
24
ILMNILLUMINA INC
425,021$72.5B2.05%
25
HCSGHEALTHCARE SERVICES GROUP INC
1,555,585$67.0B1.89%
26
BLKBBLACKBAUD INC
872,770$66.9B1.89%
27
FASTFASTENAL CO
1,288,138$66.3B1.87%
28
STERIS PLC
933,169$64.8B1.83%
29
MAMASTERCARD INC-CLASS A
504,207$56.7B1.60%
30
PROPROS HOLDINGS INC
2,336,673$56.5B1.60%
31
AMZNAMAZON.COM INC
60,502$53.6B1.52%
32
T7DTRANSDIGM GROUP INC
238,225$52.4B1.48%
33
ENVUSDENVESTNET INC
1,508,842$48.7B1.38%
34
DFSEURDISCOVER FINANCIAL SERVICES (U
659,438$45.1B1.27%
35
TECHBIO-TECHNE CORP
407,197$41.4B1.17%
36
CBRECBRE GROUP INC
851,448$29.6B0.84%
37
EXPOEXPONENT INC
494,285$29.4B0.83%
38
SBACSBA COMMUNICATIONS CORP CL A
194,627$23.4B0.66%
39
QCOMQUALCOMM INC
398,015$22.8B0.65%
40
SRCLSTERICYCLE INC
240,839$20.0B0.56%
41
IDXXIDEXX LABORATORIES INC
122,964$19.0B0.54%
42
PGPROCTER & GAMBLE CO
202,671$18.2B0.51%
43
ORLYO REILLY AUTOMOTIVE INC
60,324$16.3B0.46%
44
BLBLACKLINE
518,893$15.4B0.44%
45
INTCINTEL CORP
336,591$12.1B0.34%
46
JNJJOHNSON AND JOHNSON COM
86,844$10.8B0.31%
47
TROWPRICE T ROWE GROUP INC
155,420$10.6B0.30%
48
AAC HOLDINGS INC
1,050,507$9.0B0.25%
49
SLBSCHLUMBERGER LTD
104,258$8.1B0.23%
50
FISVFISERV INC
68,568$7.9B0.22%
51
CCICROWN CASTLE REIT INC SHS
67,879$6.4B0.18%
52
VOOVANGUARD INDEX FDS FORMERLY VA
22,225$4.8B0.14%
53
ATRIUSDATRION CORPORATION
10,003$4.7B0.13%
54
WSOWATSCO INC COM
32,544$4.7B0.13%
55
ELLIE MAE INC
46,281$4.6B0.13%
56
CMCSACOMCAST CORP NEW CL A
106,406$4.0B0.11%
57
MSFTMICROSOFT CORP
53,658$3.5B0.10%
58
GEGENERAL ELECTRIC
116,769$3.5B0.10%
59
BRK/BBERKSHIRE HATHAWAYINC DEL CL
20,672$3.4B0.10%
60
WRBBERKLEY W R CORP
47,558$3.4B0.09%
61
PAYXPAYCHEX INC
56,821$3.3B0.09%
62
VEUVANGUARD FTSE ALL WORLD EX US
61,541$2.9B0.08%
63
LABORATORY CORP AMER HLDGS COM
18,213$2.6B0.07%
64
CISCO SYSTEMS INC COM
67,646$2.3B0.06%
65
ADPAUTOMATIC DATA PROC
22,106$2.3B0.06%
66
MIDDMIDDLEBY CORP
15,914$2.2B0.06%
67
PNCPNC FINCL SERVICES GROUP
17,934$2.2B0.06%
68
COFCAPITAL ONE FINL CORP COM
24,204$2.1B0.06%
69
VTRVENTAS INC REIT
30,032$2.0B0.06%
70
HCP INC
60,503$1.9B0.05%
71
PLOWDOUGLAS DYNAMICS INC
55,604$1.7B0.05%
72
XOMEXXON MOBIL CORP COM
20,474$1.7B0.05%
73
USBU S BANCORP
31,686$1.6B0.05%
74
BRK-BBERKSHIRE HATHAWAY INC DELAWA
6$1.5B0.04%
75
CNRCANADIAN NATL RY CO COM
20,000$1.5B0.04%
76
MRKMERCK AND CO INC SHS
22,239$1.4B0.04%
77
SIGSIGNET JEWELERS LTD
20,265$1.4B0.04%
78
WSFSWSFS FINANCIAL CORP
29,507$1.4B0.04%
79
TDOCTELADOC INC
53,110$1.3B0.04%
80
MCXMCCORMICK & CO INC COM NON VTG
13,139$1.3B0.04%
81
DLTHDULUTH HOLDINGS INC
60,066$1.3B0.04%
82
IBMIBM CORP
7,070$1.2B0.03%
83
VIGVANGUARD DIVIDEND APPREC
11,950$1.1B0.03%
84
KOCOCA COLA COM
24,914$1.1B0.03%
85
PFEPFIZER INC
30,818$1.1B0.03%
86
EXPRESS SCRIPTS HLDG
15,941$1.1B0.03%
87
DISDISNEY (WALT) CO COM STK
8,987$1.0B0.03%
88
MNROMONRO MUFFLER BRAKE INC
17,855$930.0M0.03%
89
AAPLAPPLE INC
5,941$853.0M0.02%
90
DC4DEXCOM INC
9,639$817.0M0.02%
91
VYMVANGUARD HIGH DVD YIELD ETF
10,186$791.0M0.02%
92
MMM3M COMPANY
4,014$768.0M0.02%
93
MLABMESA LABS INC
6,148$754.0M0.02%
94
DDD3-D SYS CORP DEL COM NEW
49,935$747.0M0.02%
95
VNQVANGUARD REIT ETF
9,015$745.0M0.02%
96
CLCOLGATE-PALMOLIVE CO
9,925$726.0M0.02%
97
ALPHABET INC. CLASS A
843$715.0M0.02%
98
LLYELI LILLY & CO
8,353$703.0M0.02%
99
EWEDWARDS LIFESCIENCES
7,381$694.0M0.02%
100
ONEBEACON INSURANCE GROUP LTD
43,298$693.0M0.02%
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