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Institutional Investment Manager
COLUMBIA WANGER ASSET MANAGEMENT LLC
COLUMBIA WANGER ASSET MANAGEMENT LLC (CIK: 0000908733), located at 71 S Wacker, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 186 holdings with a total value of $12,538,734,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AMETEK 6,378,025 333,698,000 2.66%
2 DONALDSON INC 11,513,578 323,301,000 2.58%
3 NORDSON CORP 3,740,670 235,438,000 1.88%
4 CEPHEID 5,095,274 230,306,000 1.84%
5 LKQ CORP 7,681,876 217,858,000 1.74%
6 METTLER-TOLEDO 761,410 216,804,000 1.73%
7 HEICO CORP NEW 4,675,745 212,326,000 1.69%
8 SEI INVESTMENTS CO 4,384,679 211,473,000 1.69%
9 ASSOCIATED BANC CORP 10,523,271 189,103,000 1.51%
10 AMPHENOL CORP NEW CL A 3,709,637 189,043,000 1.51%
11 ANSYS 2,091,591 184,353,000 1.47%
12 EXTRA SPACE STORAGE INC 2,301,996 177,622,000 1.42%
13 GENTEX CORP 9,115,958 141,297,000 1.13%
14 CNO FINL GROUP INC 7,089,597 133,355,000 1.06%
15 IPG PHOTONICS CORP 1,697,797 128,982,000 1.03%
16 Drew Inds Inc 2,313,555 126,343,000 1.01%
17 AVIS BUDGET GROUP 2,874,014 125,537,000 1.00%
18 TORO CO 1,726,772 121,806,000 0.97%
19 NVR INC 79,180 120,767,000 0.96%
20 ULTRAGENYX PHARMACEUTICAL INC COM 1,252,614 120,639,000 0.96%
21 Ultimate Software Group Inc 673,577 120,577,000 0.96%
22 ROBERT HALF 2,323,235 118,857,000 0.95%
23 BOK FINANCIAL CORP NEW 1,833,809 118,666,000 0.95%
24 VAIL RESORTS INC 1,130,577 118,349,000 0.94%
25 VONAGE HLDGS CORP COM 19,885,985 116,930,000 0.93%
26 BIO TECHNE CORP 1,263,777 116,849,000 0.93%
27 GENERAC HLDGS INC 3,861,402 116,190,000 0.93%
28 BANKRATE INC DEL COM 11,007,061 113,923,000 0.91%
29 EATON VANCE CORP 3,401,291 113,671,000 0.91%
30 Education Realty Trust Inc 3,390,607 111,720,000 0.89%
31 POOL CORPORATION 1,498,139 108,315,000 0.86%
32 SVB FINANCIAL GROUP 923,524 106,704,000 0.85%
33 FRESH MKT INC 4,694,099 106,040,000 0.85%
34 MOOG INC CL A 1,847,445 99,891,000 0.80%
35 EXPEDITORS INTL WASH INC 2,115,587 99,538,000 0.79%
36 SANMINA CORPORATION COM 4,632,077 98,987,000 0.79%
37 QUANTA SVCS INC 4,085,739 98,916,000 0.79%
38 MB FINL INC 2,966,296 96,820,000 0.77%
39 EXLSERVICE HOLDINGS INC COM 2,560,752 94,569,000 0.75%
40 AKORN INC 3,316,265 94,530,000 0.75%
41 CADENCE DESIGN 4,559,338 94,287,000 0.75%
42 CORE LABORATORIES N V 940,607 93,873,000 0.75%
43 CIMAREX ENERGY 912,771 93,541,000 0.75%
44 SPS COMM INC 1,363,072 92,539,000 0.74%
45 WNS HLDGS LTD 3,261,277 91,153,000 0.73%
46 AIRGAS INC 1,019,086 91,035,000 0.73%
47 PAPA JOHNS INTL INC COM 1,325,308 90,757,000 0.72%
48 FEDERAL REALTY INVS 649,049 88,563,000 0.71%
49 LEUCADIA NATIONAL CO 4,324,224 87,609,000 0.70%
50 BLACKHAWK NETWORK COM USD0.001 2,061,410 87,383,000 0.70%
Page 1 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000950123-15-011133, filed 2015.11.10).

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.