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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 (2015Q4)
Original 13F HR (0000934999-16-000018) filed in 2016.02.12
#
Name
Shares
Value ($)
%
Options
Notes
1 3-D SYS CORP DEL 633,960 5,509 0.15%
2 3M CO 4,325 652 0.02%
3 AAC HLDGS INC 868,785 16,559 0.46%
4 ABBOTT LABS 11,622 522 0.01%
5 ABBVIE INC 8,855 525 0.01%
6 ALPHABET INC. CLASS C 98,916 75,065 2.11%
7 AMAZON COM INC 829 560 0.02%
8 AMERICAN TOWER CORP NEW 838,260 81,269 2.28%
9 AMGEN INC 1,783 289 0.01%
10 ANSYS 1,848,745 171,009 4.80%
11 APPLE INC 9,565 1,007 0.03%
12 APPLIED MINERALS INC COM 80,000 23 0.00%
13 ATRION CORP 10,621 4,049 0.11%
14 AUTOMATIC DATA PROCESSING IN 22,306 1,890 0.05%
15 BECTON DICKINSON & CO 1,741 268 0.01%
16 BERKLEY W R CORP 52,928 2,898 0.08%
17 BERKSHIRE HATHAWAY INC DEL 7 1,385 0.04%
18 BERKSHIRE HATHAWAY INC DEL 23,132 3,054 0.09%
19 BIO TECHNE CORP 202,505 18,225 0.51%
20 BIOGEN INC 116,729 35,760 1.00%
21 BLACKBAUD INC 695,302 45,793 1.28%
22 BLACKROCK ENHANCED EQT DIV T 10,000 76 0.00%
23 CAMPBELL SOUP CO 4,300 226 0.01%
24 CANADIAN NATL RY CO 20,000 1,118 0.03%
25 CAPITAL ONE FINL CORP 25,662 1,852 0.05%
26 CARE CAP PPTYS INC 8,961 274 0.01%
27 CARMAX INC 1,817,442 98,087 2.75%
28 CELGENE CORP 646,609 77,438 2.17%
29 CHEVRON CORP NEW 9,546 859 0.02%
30 CHIPOTLE MEXICAN GRILL INC 42,203 20,251 0.57%
31 CISCO SYS INC 70,571 1,916 0.05%
32 COCA COLA CO 28,214 1,212 0.03%
33 COGNIZANT TECHNOLOGY SOLUTIO 4,000 240 0.01%
34 COLGATE PALMOLIVE CO 10,055 670 0.02%
35 COMCAST CORP NEW 68,335 3,856 0.11%
36 CONCHO RESOURCES 4,130 384 0.01%
37 CORE LABORATORIES N V 23,830 2,591 0.07%
38 COSTAR GROUP 399,075 82,485 2.31%
39 CROWN CASTLE INTL CORP NEW 69,333 5,994 0.17%
40 Chubb Limited 1,558 207 0.01%
41 DEALERTRACK TECHNOLOGIES INC 10,000 632 0.02%
42 DISCOVER FINL SVCS 1,377,294 73,851 2.07%
43 DISNEY WALT CO 9,684 1,018 0.03%
44 DONALDSON INC 7,850 225 0.01%
45 DOUGLAS DYNAMICS INC 47,343 998 0.03%
46 DU PONT E I DE NEMOURS & CO 4,815 321 0.01%
47 DUKE REALTY CORP 14,750 310 0.01%
48 Dentsply Intl Inc 4,700 286 0.01%
49 Duluth Holdings Inc Cl B 56,279 821 0.02%
50 EAST WEST BANCORP INC 8,500 353 0.01%
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