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Institutional Investment Manager
DF DENT & CO INC
DF DENT & CO INC (CIK: 0000934999) incorporated in Maryland, located at 400 East Pratt Street, Baltimore, MD. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q2)
Original 13F HR (0000934999-14-000009) filed in 2014.07.08
#
Name
Shares
Value ($)
%
Options
Notes
1 FASTENAL CO 5,424,147 268,441 6.21%
2 ANSYS 2,298,431 174,267 4.03%
3 MARKEL CORP 231,915 152,053 3.52%
4 TRIMBLE INC 4,052,634 149,745 3.46%
5 QUALCOMM INC 1,808,523 143,235 3.31%
6 SCHLUMBERGER LTD 1,152,030 135,882 3.14%
7 LKQ CORP 5,062,555 135,120 3.12%
8 STERICYCLE INC 1,078,798 127,751 2.95%
9 WASTE CONNECTIONS INC COM 2,513,968 122,053 2.82%
10 MOODYS CORP 1,389,262 121,783 2.82%
11 ECOLAB INC 1,091,250 121,500 2.81%
12 RED HAT INC 2,193,873 121,255 2.80%
13 SEI INVESTMENTS CO 3,588,764 117,604 2.72%
14 CELGENE CORP 1,349,360 115,883 2.68%
15 3-D SYS CORP DEL 1,865,174 111,537 2.58%
16 VISA INC 521,027 109,786 2.54%
17 ROPER TECHNOLOGIES INC 711,861 103,939 2.40%
18 DISCOVER FINL SVCS 1,652,043 102,394 2.37%
19 WAGEWORKS INC COM 2,046,922 98,682 2.28%
20 CONCHO RESOURCES 675,791 97,652 2.26%
21 AMERICAN TOWER CORP NEW 953,074 85,758 1.98%
22 Signet Jewelers Ltd. 765,390 84,644 1.96%
23 CONCUR TECHNOLOGIE 897,601 83,782 1.94%
24 VERISK ANALYTICS INC 1,361,399 81,711 1.89%
25 COSTAR GROUP INC 516,466 81,689 1.89%
26 JACOBS ENGR GROUP INC 1,478,438 78,771 1.82%
27 DEALERTRACK TECHNOLOGIES INC 1,727,466 78,323 1.81%
28 IMAX CORP 2,698,664 76,858 1.78%
29 SOUTHWESTERN ENERGY CO 1,616,989 73,557 1.70%
30 EXPEDITORS INTL WASH INC 1,558,900 68,841 1.59%
31 HEALTHCARE SVCS GRP INC 2,265,779 66,705 1.54%
32 EXAMWORKS 1,974,465 62,650 1.45%
33 CORE LABORATORIES N V 350,890 58,620 1.36%
34 CARMAX INC 1,124,156 58,467 1.35%
35 RANGE RES CORP 669,867 58,245 1.35%
36 TYLER TECHNOLOGIES INC 528,532 48,207 1.11%
37 Intuitive Surgical Inc 114,845 47,293 1.09%
38 CareFusion 1,022,780 45,360 1.05%
39 EXPONENT INC 548,303 40,635 0.94%
40 PRICESMART INC 459,857 40,026 0.93%
41 FINANCIAL ENGINES INC 810,549 36,702 0.85%
42 ILLUMINA INC 195,889 34,974 0.81%
43 POTASH CORP SASK INC 787,745 29,903 0.69%
44 PANERA BREAD CO 149,667 22,425 0.52%
45 PROCTER AND GAMBLE CO 268,906 21,133 0.49%
46 TANGOE INC COM DELETED 1,308,496 19,706 0.46%
47 PRICE T ROWE GROUP INC 225,788 19,059 0.44%
48 O REILLY AUTOMOTIVE INC NEW 109,766 16,531 0.38%
49 INTEL CORP 463,118 14,310 0.33%
50 DORMAN PRODUCTS INC 257,516 12,701 0.29%
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