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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 (2014Q1)
Original 13F HR (0000934999-14-000005) filed in 2014.04.16
#
Name
Shares
Value ($)
%
Options
Notes
1 3-D SYS CORP DEL 1,376,571 81,424 1.90%
2 3M CO 4,265 579 0.01%
3 ABBOTT LABS 12,566 484 0.01%
4 ABBVIE INC 10,566 543 0.01%
5 ACTUANT CORP 62,758 2,143 0.05%
6 ALTERA CORPORATION 9,482 344 0.01%
7 AMERICAN TOWER CORP NEW 958,018 78,433 1.83%
8 ANADARKO PETE CORP 7,300 619 0.01%
9 ANSYS 2,180,440 167,937 3.92%
10 APACHE CORP 2,541 211 0.00%
11 APPLE INC 1,689 907 0.02%
12 APPLIED MINERALS INC 130,000 94 0.00%
13 ATRION CORP 5,567 1,704 0.04%
14 AUTOMATIC DATA PROCESSING IN 32,175 2,486 0.06%
15 Amber Road Inc 75,845 1,168 0.03%
16 BECTON DICKINSON & CO 2,248 263 0.01%
17 BERKLEY W R CORP 82,078 3,416 0.08%
18 BERKSHIRE HATHAWAY INC DEL 7 1,311 0.03%
19 BERKSHIRE HATHAWAY INC DEL 24,260 3,032 0.07%
20 CANADIAN NATL RY CO 10,000 562 0.01%
21 CAPITAL ONE FINL CORP 26,938 2,079 0.05%
22 CARMAX INC 757,852 35,467 0.83%
23 CARTERS INC 327,172 25,405 0.59%
24 CELGENE CORP 620,605 86,636 2.02%
25 CHEVRON CORP NEW 11,881 1,413 0.03%
26 CISCO SYS INC 94,642 2,121 0.05%
27 CLEAN HARBORS INC 1,262,457 69,170 1.62%
28 COCA COLA CO 27,162 1,050 0.02%
29 COGNIZANT TECHNOLOGY SOLUTIO 4,000 202 0.00%
30 COLGATE PALMOLIVE CO 10,000 649 0.02%
31 COMCAST CORP NEW 13,125 657 0.02%
32 COMCAST CORP NEW 79,647 3,884 0.09%
33 CONCHO RESOURCES 940,544 115,217 2.69%
34 CONCUR TECHNOLOGIE 907,362 89,892 2.10%
35 CORE LABORATORIES N V 356,460 70,736 1.65%
36 COSTAR GROUP INC 499,945 93,360 2.18%
37 CROWN CASTLE INTL CORP 61,099 4,508 0.11%
38 CareFusion 1,114,080 44,808 1.05%
39 DEALERTRACK TECHNOLOGIES INC 1,461,095 71,871 1.68%
40 DISCOVER FINL SVCS 1,613,700 93,901 2.19%
41 DISNEY WALT CO 8,919 714 0.02%
42 DONALDSON INC 108,807 4,613 0.11%
43 DORMAN PRODUCTS INC 160,464 9,477 0.22%
44 DOUGLAS DYNAMICS INC 45,036 785 0.02%
45 DUKE REALTY CORP 15,550 262 0.01%
46 Dentsply Intl Inc 33,140 1,526 0.04%
47 EAST WEST BANCORP INC 15,300 558 0.01%
48 ECOLAB INC 1,102,159 119,022 2.78%
49 ELLIE MAE INCORPORATED 63,351 1,827 0.04%
50 EMERSON ELEC CO 6,401 428 0.01%
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