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Institutional Investment Manager
DISCIPLINED GROWTH INVESTORS INC /MN
DISCIPLINED GROWTH INVESTORS INC /MN (CIK: 0001050442) incorporated in Minnesota, located at 150 S 5th St, Minneapolis, MN. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q4)
Portfolio Summary: 89 holdings with a total value of $3,970,143,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 Nestle SA Ord F 2,700 201,000 0.01%
2 CHEVRON CORP NEW 3,250 292,000 0.01%
3 EMERSON ELEC CO 10,350 495,000 0.01%
4 ISHARES TR 6,100 561,000 0.01%
5 APPLE INC 8,565 902,000 0.02%
6 PC-TEL INC 339,266 1,544,000 0.04%
7 DESTINATION MATERNITY CORP 239,954 2,092,000 0.05%
8 KEY TECHNOLOGY INC 232,952 2,416,000 0.06%
9 PROASSURANCE CORP. 119,600 2,756,000 0.07%
10 TRIMBLE INC 142,717 3,061,000 0.08%
11 STRATASYS LTD 141,884 3,331,000 0.08%
12 NUVASIVE INC 65,450 3,541,000 0.09%
13 SPECTRANETICS CORP 242,436 3,651,000 0.09%
14 SURMODICS INC COM 180,377 3,656,000 0.09%
15 ZUMIEZ INC 245,700 3,715,000 0.09%
16 MERCURY SYS INC COM 226,400 4,157,000 0.10%
17 CARBO CERAMICS INC 245,500 4,223,000 0.11%
18 LL FLOORING HOLDINGS INC COM 249,836 4,337,000 0.11%
19 CONSTANT CONTACT INC 155,125 4,536,000 0.11%
20 MATERIALISE NV 720,875 5,089,000 0.13%
21 PANHANDLE OIL AND GAS INC 338,287 5,467,000 0.14%
22 VASCO DATA SEC INTL INC 359,981 6,022,000 0.15%
23 Dycom Industries Inc 278,734 6,294,000 0.16%
24 CAPELLA EDUCATION 140,050 6,473,000 0.16%
25 GEOSPACE TECHNOLOGIES CORP COM 483,575 6,804,000 0.17%
26 ONCOMED PHARMACEUTICALS INC COM 308,600 6,956,000 0.18%
27 BOTTOMLINE TECH DEL INC COM 236,070 7,018,000 0.18%
28 COMSCORE INC 191,875 7,896,000 0.20%
29 COSTAR GROUP 40,569 8,385,000 0.21%
30 ULTIMATE SOFTWARE GROUP INCORPORATED 62,749 12,268,000 0.31%
31 IROBOT CORP 366,950 12,990,000 0.33%
32 CYNOSURE CL A ORD 310,630 13,876,000 0.35%
33 MEDIDATA SOLUTIONS INC 284,920 14,044,000 0.35%
34 SOUTHWESTERN ENERGY CO 2,008,375 14,280,000 0.36%
35 CEVA Inc 613,371 14,328,000 0.36%
36 TREX CO INC COM 378,967 14,416,000 0.36%
37 NAUTILUS INC 965,588 16,145,000 0.41%
38 NOBLE CORP PLC 1,927,884 20,339,000 0.51%
39 URBAN OUTFITTERS INC 933,700 21,242,000 0.54%
40 DOLBY LABORATORIES INC 766,920 25,807,000 0.65%
41 TCF FINL CORP 1,898,665 26,809,000 0.68%
42 IHS INC A 246,177 29,155,000 0.73%
43 COGNEX CORP 867,075 29,281,000 0.74%
44 ULTRA PETROLEUM CORP 13,909,484 34,774,000 0.88%
45 GRACO INC 486,189 35,040,000 0.88%
46 PAYCHEX INC 664,145 35,127,000 0.88%
47 VIASAT INC 577,205 35,215,000 0.89%
48 GENTHERM INC 769,706 36,484,000 0.92%
49 CORE LABORATORIES N V 349,325 37,986,000 0.96%
50 UBIQUITI NETWORKS INC 1,248,725 39,572,000 1.00%
Page 1 of 2

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001050442-16-000011, filed 2016.02.16).

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.