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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 (2016Q1)
Portfolio Summary: 218 holdings with a total value of $4,511,919,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 HARMAN INTL INDS INC 204,067 18,170,000 0.40%
102 ANSYS 200,888 17,971,000 0.40%
103 PEOPLES UNITED FINANCIAL INC 1,125,445 17,928,000 0.40%
104 PRA GROUP INC 609,959 17,927,000 0.40%
105 KAPSTONE PAPER & PACKAGING CRP COM 1,289,270 17,856,000 0.40%
106 MACQUARIE INFRASTRUCTURE COR 261,839 17,658,000 0.39%
107 MERCK & CO INC 325,555 17,225,000 0.38%
108 OLD REP INTL CORP 918,548 16,791,000 0.37%
109 Forum Energy Technologies Inc 1,255,875 16,578,000 0.37%
110 JPMORGAN CHASE & CO 277,635 16,442,000 0.36%
111 WAGEWORKS INC COM 324,621 16,429,000 0.36%
112 BP PLC 510,407 15,404,000 0.34%
113 SIGNATURE BANK 112,834 15,359,000 0.34%
114 ZEBRA TECHNOLOGIES CORPORATION CL A 219,737 15,162,000 0.34%
115 PRICESMART INC 178,694 15,114,000 0.33%
116 KINDER MORGAN INC DEL 835,972 14,930,000 0.33%
117 Callidus Software Inc 888,190 14,815,000 0.33%
118 MID AMER APT CMNTYS INC 136,261 13,927,000 0.31%
119 WABTEC CORP 175,051 13,880,000 0.31%
120 BURLINGTON STORES INC 246,219 13,847,000 0.31%
121 LIONS GATE ENTERTN 631,119 13,790,000 0.31%
122 EXPONENT INC 269,658 13,755,000 0.30%
123 GARTNER INC 153,925 13,753,000 0.30%
124 SCIQUEST INC NEW 989,104 13,729,000 0.30%
125 DELTA AIRLINES INC DEL 280,974 13,678,000 0.30%
126 AIR METHODS CORP 372,601 13,496,000 0.30%
127 ALIGN TECHNOLOGY INC 176,585 12,836,000 0.28%
128 STERIS PLC SHS USD 178,263 12,666,000 0.28%
129 Ruby Tuesday Inc 389,404 12,547,000 0.28%
130 MASTERCARD INCORPORATED 128,837 12,175,000 0.27%
131 DORMAN PRODUCTS INC 222,616 12,115,000 0.27%
132 COGNIZANT TECHNOLOGY SOLUTIO 192,955 12,098,000 0.27%
133 COSTAR GROUP 61,644 11,600,000 0.26%
134 CELGENE CORP 114,391 11,449,000 0.25%
135 COSTCO WHSL CORP NEW 72,581 11,437,000 0.25%
136 ACADIA COMPANY COM 205,984 11,352,000 0.25%
137 URBAN OUTFITTERS INC 342,096 11,320,000 0.25%
138 HONEYWELL INTL INC 100,295 11,238,000 0.25%
139 ULTIMATE SOFTWARE GROUP INCORPORATED 57,291 11,086,000 0.25%
140 FLOTEK INDS INC DEL COM NEW 1,505,879 11,038,000 0.24%
141 NEWELL BRANDS 248,530 11,007,000 0.24%
142 SUPER MICRO COMPUTER INC COM 320,581 10,925,000 0.24%
143 QUESTAR CORP COM 427,125 10,593,000 0.23%
144 APTARGROUP INC 134,595 10,554,000 0.23%
145 LKQ CORP 324,196 10,352,000 0.23%
146 ZOETIS INC 233,465 10,350,000 0.23%
147 HMS HOLDINGS CORPORATION 715,145 10,262,000 0.23%
148 NEOGEN CORP COM 195,161 9,826,000 0.22%
149 VERIFONE SYS INC 342,945 9,685,000 0.21%
150 SS&C TECHNOLOGIES HLDGS INC 149,632 9,490,000 0.21%
Page 3 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001082917-16-000013, filed 2016.04.19).

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.