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Institutional Investment Manager
RIVERBRIDGE PARTNERS LLC
RIVERBRIDGE PARTNERS LLC (CIK: 0001112325) incorporated in Minnesota, located at 80 South 8th Street, Suite 1500, Minneapolis, MN. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q4)
Portfolio Summary: 133 holdings with a total value of $4,787,977,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 NATIONAL INSTRS CORP 5,902,746 181,923,000 3.80%
2 GRAND CANYON ED INC 2,859,508 167,138,000 3.49%
3 Ultimate Software Group Inc 768,377 140,113,000 2.93%
4 GENTEX CORP 6,641,055 130,762,000 2.73%
5 COSTAR GROUP 692,942 130,613,000 2.73%
6 HEALTHCARE SVCS GROUP INC COM 3,154,852 123,576,000 2.58%
7 PRA GROUP INC 3,159,517 123,537,000 2.58%
8 CHEMED CORP NEW COM 764,047 122,561,000 2.56%
9 UNITED NATURAL FOODSINC 2,487,418 118,700,000 2.48%
10 ATHENA HEALTH INC. 1,036,171 108,974,000 2.28%
11 RITCHIE BROS AUCTIONEERS 3,185,913 108,321,000 2.26%
12 HEICO CORP NEW 1,379,958 106,464,000 2.22%
13 PROTO LABS INC 1,996,928 102,542,000 2.14%
14 FIVE BELOW INC COM 2,357,588 94,209,000 1.97%
15 FASTENAL CO 1,947,914 91,513,000 1.91%
16 VEEVA SYS INC 2,134,872 86,889,000 1.81%
17 NEOGEN CORP COM 1,271,010 83,887,000 1.75%
18 BEACON ROOFING SUPPLY INC 1,813,208 83,534,000 1.74%
19 MAXIMUS INC 1,251,449 69,818,000 1.46%
20 ELLIE MAE INCORPORATED 780,446 65,308,000 1.36%
21 BIO TECHNE CORP 634,184 65,213,000 1.36%
22 COGNEX CORP 998,493 63,524,000 1.33%
23 DORMAN PRODS INC COM 858,307 62,708,000 1.31%
24 ROLLINS INC 1,834,847 61,981,000 1.29%
25 MEDNAX INC 923,911 61,588,000 1.29%
26 ADVISORY BRD CO COM 1,843,696 61,303,000 1.28%
27 IHS MARKIT LTD SHS 1,727,017 61,154,000 1.28%
28 SPS COMM INC 844,413 59,016,000 1.23%
29 MICROSOFT CORP 947,937 58,905,000 1.23%
30 VERINT SYS INC COM 1,635,385 57,647,000 1.20%
31 ZELTIQ AESTHETICS INCORPORATED 1,320,440 57,466,000 1.20%
32 HEALTHSTREAM INC COM 2,238,414 56,072,000 1.17%
33 ANSYS 605,955 56,045,000 1.17%
34 VERISK ANALYTICS INC 689,388 55,958,000 1.17%
35 FISERV INC 524,084 55,700,000 1.16%
36 FINANCIAL ENGINES INC 1,509,342 55,468,000 1.16%
37 EXLSERVICE HOLDINGS INC COM 1,063,045 53,620,000 1.12%
38 ACUITY BRANDS INC 228,660 52,788,000 1.10%
39 LKQ CORP 1,664,684 51,023,000 1.07%
40 PROS HOLDINGS INC 2,319,600 49,918,000 1.04%
41 STARBUCKS CORP 872,304 48,430,000 1.01%
42 PEGASYSTEMS INC 1,333,672 48,012,000 1.00%
43 ECOLAB INC 400,854 46,988,000 0.98%
44 WALGREENS BOOTS ALLIANCE INC 519,565 42,999,000 0.90%
45 POWER INTEGRATIONS INC COM 605,033 41,051,000 0.86%
46 STERICYCLE 528,594 40,723,000 0.85%
47 INTERNATIONAL FLAVORS&FRAGRA 338,317 39,864,000 0.83%
48 AMAZON COM INC 51,965 38,967,000 0.81%
49 2U, Inc. 1,252,578 37,765,000 0.79%
50 UNITEDHEALTH GROUP INC 223,492 35,768,000 0.75%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001112325-17-000001, filed 2017.01.20).

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.