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Institutional Investment Manager
GW&K Investment Management, LLC
GW&K Investment Management, LLC (CIK: 0001082917) incorporated in Massachusetts, located at 222 Berkeley St Suite 1500, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q4)
Portfolio Summary: 232 holdings with a total value of $5,136,848,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 MARKETAXESS HLDGS INC 607,530 89,258,000 1.74%
2 WEST PHARMACEUTICAL SVSC INC 1,025,255 86,972,000 1.69%
3 AMERICAN CAMPUS CMNTYS INC 1,500,973 74,703,000 1.45%
4 ICU MED INC COM 490,896 72,334,000 1.41%
5 TYLER TECHNOLOGIES INC 477,333 68,149,000 1.33%
6 LogMeIn Inc 689,581 66,579,000 1.30%
7 GRAND CANYON ED INC 1,114,339 65,133,000 1.27%
8 COGNEX CORP 965,664 61,436,000 1.20%
9 LITHIA MTRS INC COM 633,812 61,372,000 1.19%
10 RITCHIE BROS AUCTIONEERS 1,788,770 60,818,000 1.18%
11 TEXAS CAP BANCSHARES INC COM 768,633 60,261,000 1.17%
12 WEBSTER FINL CORP CONN 1,022,792 55,517,000 1.08%
13 POWER INTEGRATIONS INC COM 803,338 54,506,000 1.06%
14 STAG INDL INC 2,141,355 51,114,000 1.00%
15 SUN COMMUNITIES INC COM 666,014 51,023,000 0.99%
16 TORO CO 910,830 50,961,000 0.99%
17 PROASSURANCE CORP COM 891,920 50,126,000 0.98%
18 MICROCHIP TECHNOLOGY 776,468 49,810,000 0.97%
19 FIVE BELOW INC COM 1,236,151 49,397,000 0.96%
20 TEXAS ROADHOUSE INC 1,023,956 49,396,000 0.96%
21 BLACKBAUD INC COM 764,758 48,945,000 0.95%
22 MATADOR RES CO 1,856,393 47,821,000 0.93%
23 SIX FLAGS ENTMT CORP NEW 789,822 47,358,000 0.92%
24 NATIONAL HEALTH INVS INC 634,221 47,040,000 0.92%
25 RBC BEARINGS INC 500,154 46,419,000 0.90%
26 INC Research Holdings Inc 870,287 45,777,000 0.89%
27 IBERIABANK CORP COM 540,675 45,282,000 0.88%
28 CATALENT INC 1,616,830 43,590,000 0.85%
29 KAR AUCTION SVCS INC 1,013,140 43,180,000 0.84%
30 CATHAY GEN BANCORP 1,118,811 42,548,000 0.83%
31 LOCKHEED MARTIN CORP 168,786 42,186,000 0.82%
32 CLARCOR Inc 509,288 42,001,000 0.82%
33 RPM INTL INC 772,429 41,580,000 0.81%
34 CISCO SYS INC 1,354,711 40,939,000 0.80%
35 ALTRIA GROUP INC 603,814 40,830,000 0.79%
36 HEARTLAND EXPRESS INC COM 2,004,173 40,805,000 0.79%
37 CEB Inc 668,152 40,490,000 0.79%
38 FIRST REP BK SAN FRANCISCO C 429,223 39,549,000 0.77%
39 MACQUARIE INFRASTRUCTURE COR 479,402 39,167,000 0.76%
40 NORTHWESTERN ENERGY GROUP INC COM NEW 687,750 39,112,000 0.76%
41 UNIVERSAL FOREST PRODS INC 381,072 38,938,000 0.76%
42 HEICO CORP NEW 495,202 38,205,000 0.74%
43 BP PLC 1,000,226 37,388,000 0.73%
44 GLOBUS MED INC 1,491,496 37,004,000 0.72%
45 STIFEL FINANCIAL CP 738,876 36,907,000 0.72%
46 CINCINNATI FIN 483,188 36,601,000 0.71%
47 BALCHEM CORP COM 431,556 36,216,000 0.71%
48 MIDDLEBY CORP 279,736 36,033,000 0.70%
49 STANDARD PAC CORP NEW 1,042,752 35,464,000 0.69%
50 PAYCHEX INC 581,818 35,421,000 0.69%
Page 1 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001082917-17-000002, filed 2017.01.17).

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.