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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 (2015Q3)
Portfolio Summary: 223 holdings with a total value of $4,188,354,000.
#
Name
Shares
Value ($)
%
Options
Notes
151 HEICO CORP NEW 178,879 8,123,000 0.19%
152 APTARGROUP INC 116,678 7,696,000 0.18%
153 LKQ CORP 263,271 7,466,000 0.18%
154 NORTHERN TRUST 109,273 7,448,000 0.18%
155 DIPLOMAT PHARMACY INC COM 256,322 7,364,000 0.18%
156 NORDSON CORP 115,241 7,253,000 0.17%
157 ULTIMATE SOFTWARE GROUP INCORPORATED 40,205 7,197,000 0.17%
158 PENSKE AUTOMOTIVE GRP INC 147,276 7,134,000 0.17%
159 CONCHO RESOURCES 72,506 7,127,000 0.17%
160 PEPSICO INC 70,827 6,679,000 0.16%
161 ZEBRA TECHNOLOGIES CORPORATION CL A 86,814 6,646,000 0.16%
162 KIRBY CORP 102,979 6,380,000 0.15%
163 ALKERMES PLC 106,253 6,234,000 0.15%
164 MCDONALDS CORP 60,730 5,984,000 0.14%
165 CONOCOPHILLIPS 124,395 5,966,000 0.14%
166 NEXTERA ENERGY INC 60,230 5,875,000 0.14%
167 ARTISAN PARTNERS ASSET MGMT 152,448 5,371,000 0.13%
168 VERIFONE SYS INC 190,966 5,295,000 0.13%
169 QUAKER CHEM CORP 59,934 4,620,000 0.11%
170 TREEHOUSE FOODS INC 57,526 4,475,000 0.11%
171 IDEXX LAB 60,053 4,459,000 0.11%
172 HMS HOLDINGS CORPORATION 508,336 4,458,000 0.11%
173 QEP RES INC 353,062 4,424,000 0.11%
174 NATURAL GROCERS VITAMIN CTGE 144,653 3,282,000 0.08%
175 SUPERIOR ENERGY SVCS INC 249,354 3,149,000 0.08%
176 ACADIA COMPANY COM 37,235 2,468,000 0.06%
177 ABIOMED INC 26,413 2,450,000 0.06%
178 POOL CORPORATION 33,816 2,445,000 0.06%
179 COMSCORE INC 52,325 2,415,000 0.06%
180 BUILD A BEAR WORKSHOP COM 123,398 2,331,000 0.06%
181 ENCORE CAP GROUP INC 58,260 2,156,000 0.05%
182 BJS RESTAURANTS INC COM 48,815 2,101,000 0.05%
183 PRIVATEBANCORP INC 53,240 2,041,000 0.05%
184 WRIGHT MEDICAL GROUP N.V. 96,740 1,973,000 0.05%
185 FORRESTER RESH INC COM 62,085 1,952,000 0.05%
186 CHUYS HLDGS INC COM 65,050 1,847,000 0.04%
187 AMICUS THERAPEUTICS INC COM 130,490 1,826,000 0.04%
188 MANNING & NAPIER INC CL A 232,738 1,713,000 0.04%
189 EMERGENT BIOSOLUTIONS INC 54,345 1,548,000 0.04%
190 IMPAX LABORATORIES INC 43,945 1,547,000 0.04%
191 EXXON MOBIL CORP 20,129 1,497,000 0.04%
192 DYNAVAX TECHNOLOGIES CORP 61,005 1,497,000 0.04%
193 SMART AND FINAL STORES INC COM 92,850 1,459,000 0.03%
194 HERITAGE INS HLDGS INC COM 70,490 1,391,000 0.03%
195 INOTEK PHARMACEUTICALS CORP 146,645 1,378,000 0.03%
196 WOODWARD INC 33,555 1,366,000 0.03%
197 BOTTOMLINE TECH DEL INC COM 53,526 1,339,000 0.03%
198 ELECTRONICS FOR IMAGING INC 30,255 1,309,000 0.03%
199 ENDOLOGIX INC 99,895 1,225,000 0.03%
200 Invacare Corp 40,815 1,213,000 0.03%
Page 4 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001082917-15-000009, filed 2015.10.08).

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.