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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 (2016Q1)
Portfolio Summary: 162 holdings with a total value of $3,435,759,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 FISERV INC 67,903 6,965,000 0.20%
52 POTASH CORP SASK INC 359,153 6,113,000 0.18%
53 CROWN CASTLE INTL CORP NEW 70,363 6,086,000 0.18%
54 Ellie Mae Inc 50,734 4,599,000 0.13%
55 ATRION CORP 10,644 4,208,000 0.12%
56 COMCAST CORP NEW 65,420 3,996,000 0.12%
57 GENERAL ELECTRIC CO 122,794 3,904,000 0.11%
58 PAYCHEX INC 60,860 3,287,000 0.10%
59 MICROSOFT CORP 59,154 3,267,000 0.10%
60 BERKSHIRE HATHAWAY INC DEL 22,082 3,133,000 0.09%
61 H C P INC REIT 91,842 2,992,000 0.09%
62 BERKLEY W R CORP 52,928 2,975,000 0.09%
63 VANGUARD INTL EQUITY INDEX F 60,347 2,604,000 0.08%
64 VENTAS INC REIT 36,113 2,274,000 0.07%
65 PNC FINL SVCS GROUP INC 25,924 2,192,000 0.06%
66 Laboratory Corp. of America Ho 18,253 2,138,000 0.06%
67 CORE LABS 18,985 2,134,000 0.06%
68 CISCO SYSTEMS INC 70,646 2,011,000 0.06%
69 AUTOMATIC DATA PROCESSING IN 22,106 1,983,000 0.06%
70 Exxon Mobil Corp 21,661 1,811,000 0.05%
71 CAPITAL ONE FINL CORP 25,643 1,777,000 0.05%
72 INTERNATIONAL BUSINESS MACHS 9,906 1,500,000 0.04%
73 BERKSHIRE HATHAWAY INC DEL 7 1,494,000 0.04%
74 MIDDLEBY CORP 12,272 1,310,000 0.04%
75 COCA COLA CO 28,214 1,309,000 0.04%
76 US BANCORP DEL 31,686 1,286,000 0.04%
77 MERCK & CO INC 23,814 1,260,000 0.04%
78 CANADIAN NATL RY CO 20,000 1,249,000 0.04%
79 EXPRESS SCRIPTS HOLDING COMPAN 17,962 1,234,000 0.04%
80 MCCORMICK & CO INC 11,733 1,167,000 0.03%
81 Duluth Holdings Inc Cl B 56,455 1,100,000 0.03%
82 DOUGLAS DYNAMICS INC 47,498 1,088,000 0.03%
83 VANGUARD SPECIALIZED FUNDS 12,565 1,021,000 0.03%
84 PFIZER INC 32,949 977,000 0.03%
85 WATSCO INC 6,700 903,000 0.03%
86 FORTINET INC 29,130 892,000 0.03%
87 WSFS FINL CORPORATION 27,028 879,000 0.03%
88 MONRO MUFFLER BRAKE INC 12,251 876,000 0.03%
89 DISNEY WALT CO 8,762 870,000 0.03%
90 CHEVRON CORP NEW 8,212 783,000 0.02%
91 EQT CORP 11,570 778,000 0.02%
92 VANGUARD INDEX FDS 8,815 739,000 0.02%
93 COLGATE PALMOLIVE CO 10,000 706,000 0.02%
94 3M Co 4,039 673,000 0.02%
95 APPLE INC 6,017 656,000 0.02%
96 PEPSICO INC 6,007 616,000 0.02%
97 UNDER ARMOUR INC 7,000 594,000 0.02%
98 EMERSON ELEC CO 9,939 540,000 0.02%
99 LILLY ELI & CO 7,478 538,000 0.02%
100 ONEBEACON INSURANCE GROUP LT 41,644 530,000 0.02%
Page 2 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000934999-16-000021, filed 2016.05.16).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.