GW&K Investment Management, LLC

13F filer · CIK 0001082917

Reported Aug 12, 2026

13F portfolio value$12.8BU.S. long equity reported on 13F

Positions1,003Not reported new · Not reported closed

Net flow last quarterNot reportedBuys minus sells

Top 10 positions weight12.7%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Aug 12, 20261,003 positions
MTSIMACOM Technology Solutions Holdings, Inc.	$241M	1.89%	0.83%	Not reported	Q1 2016
AEISAdvanced Energy Industries Inc	$215M	1.68%	1.44%	Not reported	Q2 2024
SPXCSPX Technologies, Inc.	$175M	1.37%	1.43%	Not reported	Q4 2022
STRLSterling Infrastructure, Inc.	$166M	1.30%	0.64%	Not reported	Q2 2024
ITTItt Inc.	$151M	1.18%	0.85%	Not reported	Q2 2022
NOVTNovanta Inc	$146M	1.14%	2.52%	Not reported	Q2 2019
RBCRBC Bearings INC	$144M	1.13%	0.68%	Not reported	Q2 2013
MOG.AMoog Inc.	$132M	1.03%	Not reported	Not reported	Q3 2025
ENTGEntegris Inc	$125M	0.98%	0.46%	Not reported	Q1 2017
APGAPi Group Corp	$125M	0.98%	0.68%	Not reported	Q1 2024
TXRHTexas Roadhouse, Inc.	$124M	0.97%	0.98%	Not reported	Q2 2013
FSSFederal Signal Corp	$119M	0.93%	1.52%	Not reported	Q4 2017
FNFabrinet	$118M	0.93%	0.59%	New	Q2 2026
POWLPowell Industries Inc	$117M	0.92%	1.13%	Not reported	Q1 2025
GMEDGlobus Medical Inc	$115M	0.90%	1.07%	Not reported	Q2 2014
COHRCoherent Corp.	$113M	0.88%	0.15%	Not reported	Q4 2022
GTESGates Industrial Corp Ltd.	$107M	0.84%	1.51%	Not reported	Q1 2021
HALOHalozyme Therapeutics, Inc.	$106M	0.83%	1.19%	Not reported	Q4 2020
PFGCPerformance Food Group Co	$104M	0.81%	0.59%	Not reported	Q3 2017
BURLBurlington Stores, Inc.	$103M	0.80%	0.52%	Not reported	Q3 2014
AVGOBroadcom Inc.	$103M	0.80%	0.01%	Not reported	Q2 2018
IDAIdacorp Inc	$101M	0.79%	1.22%	Not reported	Q2 2016
MSFTMicrosoft Corp	$100M	0.78%	0.00%	Not reported	Q1 2019
UMBFUmb Financial Corp	$96M	0.75%	0.89%	Not reported	Q4 2023
NBIXNeurocrine Biosciences Inc	$95.6M	0.75%	0.56%	Not reported	Q1 2016
CVCOCavco Industries, Inc.	$94.3M	0.74%	1.99%	Not reported	Q1 2016
ESIElement Solutions Inc	$92.5M	0.72%	0.80%	Not reported	Q4 2020
MEDPMedpace Holdings, Inc.	$91.5M	0.71%	0.62%	Not reported	Q4 2020
NDSNNordson Corp	$88.6M	0.69%	0.53%	Not reported	Q2 2013
LOPEGrand Canyon Education, Inc.	$88.3M	0.69%	2.35%	Not reported	Q2 2013
VOYAVoya Financial, Inc.	$87.3M	0.68%	1.06%	Not reported	Q1 2020
AITApplied Industrial Technologies Inc	$87.2M	0.68%	0.70%	Not reported	Q3 2023
SFStifel Financial Corp	$87M	0.68%	0.80%	Not reported	Q2 2013
FIXComfort Systems USA Inc	$86.9M	0.68%	0.12%	Not reported	Q4 2020
JBLJabil Inc	$84.6M	0.66%	0.21%	Not reported	Q1 2024
JAZZJazz Pharmaceuticals plc	$84.5M	0.66%	0.56%	Not reported	Q1 2019
BBIOBridgeBio Pharma, Inc.	$83.8M	0.65%	0.58%	Not reported	Q3 2025
SEISolaris Energy Infrastructure, Inc.	$83.5M	0.65%	Not reported	Not reported	Q4 2020
VCYTVeracyte, Inc.	$83.2M	0.65%	1.76%	Not reported	Q4 2019
RHPRyman Hospitality Properties, Inc.	$79.2M	0.62%	0.98%	Not reported	Q4 2019
CYTKCytokinetics Inc	$78M	0.61%	0.74%	Not reported	Q3 2025
LGNDLigand Pharmaceuticals Inc	$78M	0.61%	1.24%	Not reported	Q4 2021
DELLDell Technologies Inc.	$76.2M	0.60%	0.03%	Not reported	Q3 2024
MGYMagnolia Oil & Gas Corp	$74.6M	0.58%	1.58%	Not reported	Q1 2021
CGNXCognex Corp	$73.9M	0.58%	0.61%	Not reported	Q2 2013
BJBJ's Wholesale Club Holdings, Inc.	$73M	0.57%	0.66%	Not reported	Q2 2019
CFGCitizens Financial Group Inc	$72.4M	0.57%	0.24%	Not reported	Q2 2022
PMPhilip Morris International Inc.	$70.8M	0.55%	0.03%	Not reported	Q2 2013
DCODucommun Inc	$70.7M	0.55%	2.53%	Not reported	Q4 2023
GBCIGlacier Bancorp, Inc.	$69.5M	0.54%	1.04%	Not reported	Q2 2013

Q4 2025Reported Feb 11, 2026933 positions
MTSIMACOM Technology Solutions Holdings, Inc.	$209M	1.80%	1.63%	+6.1%	Q1 2016
RBCRBC Bearings INC	$163M	1.41%	1.11%	-7.6%	Q2 2013
ITTItt Inc.	$149M	1.29%	1.10%	+16.5%	Q2 2022
MSFTMicrosoft Corp	$146M	1.26%	0.00%	-0.6%	Q1 2019
AEISAdvanced Energy Industries Inc	$143M	1.23%	1.80%	-2.6%	Q2 2024
AVGOBroadcom Inc.	$137M	1.18%	0.01%	-0.8%	Q2 2018
GMEDGlobus Medical Inc	$132M	1.14%	1.13%	-14.7%	Q2 2014
LOPEGrand Canyon Education, Inc.	$122M	1.06%	2.69%	+15.6%	Q2 2013
APGAPi Group Corp	$121M	1.05%	0.76%	-3.0%	Q1 2024
SFStifel Financial Corp	$112M	0.97%	0.86%	-4.6%	Q2 2013
TXRHTexas Roadhouse, Inc.	$108M	0.94%	0.99%	-9.4%	Q2 2013
SPXCSPX Technologies, Inc.	$105M	0.91%	1.05%	-4.8%	Q4 2022
FIXComfort Systems USA Inc	$104M	0.90%	0.32%	-36.1%	Q4 2020
PJCPiper Sandler Companies	$101M	0.87%	Not reported	-4.1%	Q4 2016
BURLBurlington Stores, Inc.	$98.5M	0.85%	0.54%	+14.6%	Q3 2014
GTESGates Industrial Corp Ltd.	$97.4M	0.84%	1.79%	+0.7%	Q1 2021
STRLSterling Infrastructure, Inc.	$95.5M	0.83%	1.02%	+16.3%	Q2 2024
IDAIdacorp Inc	$90.7M	0.78%	1.33%	+7.1%	Q2 2016
CVCOCavco Industries, Inc.	$89.3M	0.77%	1.94%	-4.7%	Q1 2016
MEDPMedpace Holdings, Inc.	$87.7M	0.76%	0.55%	-21.2%	Q4 2020
NOVTNovanta Inc	$87.7M	0.76%	2.07%	+187.3%	Q2 2019
PFGCPerformance Food Group Co	$87.6M	0.76%	0.63%	-2.3%	Q3 2017
ABBVAbbVie Inc.	$85.7M	0.74%	0.02%	-0.2%	Q2 2013
HALOHalozyme Therapeutics, Inc.	$84.4M	0.73%	1.07%	-0.6%	Q4 2020
NDSNNordson Corp	$84.2M	0.73%	0.63%	-3.1%	Q2 2013
INSMINSMED Inc	$84M	0.73%	0.23%	-19.8%	Q4 2020
JBLJabil Inc	$83.9M	0.73%	0.34%	-0.8%	Q1 2024
UMBFUmb Financial Corp	$82.6M	0.71%	0.95%	-3.3%	Q4 2023
MOG.AMoog Inc.	$82M	0.71%	Not reported	+12.7%	Q3 2025
NBIXNeurocrine Biosciences Inc	$81.8M	0.71%	0.58%	-3.0%	Q1 2016
POWLPowell Industries Inc	$81.1M	0.70%	2.10%	+13.4%	Q1 2025
CHDNChurchill Downs Inc	$77.6M	0.67%	0.98%	+12.7%	Q1 2019
PCORProcore Technologies, Inc.	$75.7M	0.65%	0.69%	-2.8%	Q4 2023
JAZZJazz Pharmaceuticals plc	$72.7M	0.63%	0.70%	-6.0%	Q1 2019
JPMJPMorgan Chase & Co	$70.1M	0.61%	0.01%	-0.3%	Q3 2013
MGYMagnolia Oil & Gas Corp	$69.4M	0.60%	Not reported	+14.6%	Q1 2021
VOYAVoya Financial, Inc.	$68.8M	0.60%	0.98%	-5.6%	Q1 2020
BJBJ's Wholesale Club Holdings, Inc.	$68.7M	0.59%	0.58%	-7.2%	Q2 2019
CRNXCrinetics Pharmaceuticals, Inc.	$68.7M	0.59%	1.54%	+73.6%	Q1 2023
MTDRMatador Resources Co	$66.7M	0.58%	1.26%	+0.3%	Q4 2013
ADCAgree Realty Corp	$65.3M	0.56%	0.76%	-7.4%	Q4 2017
DORMDorman Products, Inc.	$65.2M	0.56%	1.74%	-3.6%	Q2 2014
SAILSailPoint, Inc.	$65.1M	0.56%	0.57%	-5.2%	Q1 2025
PMPhilip Morris International Inc.	$64.8M	0.56%	0.03%	-0.8%	Q2 2013
SITESiteOne Landscape Supply, Inc.	$63.6M	0.55%	1.15%	-2.8%	Q4 2016
NVDANvidia Corp	$63.1M	0.55%	0.00%	-0.6%	Q2 2022
ENTGEntegris Inc	$63M	0.54%	0.49%	-2.7%	Q1 2017
AIZAssurant, Inc.	$62.5M	0.54%	0.52%	-5.6%	Q2 2022
CFGCitizens Financial Group Inc	$62.3M	0.54%	0.25%	+13.4%	Q2 2022
IONSIonis Pharmaceuticals Inc	$62.2M	0.54%	0.48%	+198.0%	Q4 2024

Q3 2025Reported Nov 12, 2025939 positions
MSFTMicrosoft Corp	$157M	1.39%	0.00%	Not reported	Q1 2019
RBCRBC Bearings INC	$154M	1.36%	1.21%	Not reported	Q2 2013
FIXComfort Systems USA Inc	$144M	1.28%	0.50%	Not reported	Q4 2020
MTSIMACOM Technology Solutions Holdings, Inc.	$143M	1.26%	1.54%	Not reported	Q1 2016
LOPEGrand Canyon Education, Inc.	$140M	1.24%	2.28%	Not reported	Q2 2013
ITTItt Inc.	$132M	1.17%	0.95%	Not reported	Q2 2022
AVGOBroadcom Inc.	$131M	1.16%	0.01%	Not reported	Q2 2018
TXRHTexas Roadhouse, Inc.	$120M	1.06%	1.09%	Not reported	Q2 2013
AEISAdvanced Energy Industries Inc	$119M	1.05%	1.86%	Not reported	Q2 2024
APGAPi Group Corp	$112M	0.99%	0.79%	Not reported	Q1 2024
GTESGates Industrial Corp Ltd.	$112M	0.99%	1.74%	Not reported	Q1 2021
PJCPiper Sandler Companies	$107M	0.95%	Not reported	Not reported	Q4 2016
SFStifel Financial Corp	$107M	0.94%	0.90%	Not reported	Q2 2013
PFGCPerformance Food Group Co	$104M	0.92%	0.64%	Not reported	Q3 2017
SPXCSPX Technologies, Inc.	$103M	0.91%	1.11%	Not reported	Q4 2022
MEDPMedpace Holdings, Inc.	$102M	0.90%	0.70%	Not reported	Q4 2020
GMEDGlobus Medical Inc	$102M	0.90%	1.32%	Not reported	Q2 2014
HALOHalozyme Therapeutics, Inc.	$92.5M	0.82%	1.07%	Not reported	Q4 2020
CVCOCavco Industries, Inc.	$92.1M	0.82%	2.02%	Not reported	Q1 2016
STRLSterling Infrastructure, Inc.	$91.1M	0.81%	0.87%	Not reported	Q2 2024
IDAIdacorp Inc	$88.5M	0.78%	1.24%	Not reported	Q2 2016
UMBFUmb Financial Corp	$87.9M	0.78%	0.98%	Not reported	Q4 2023
ABBVAbbVie Inc.	$87M	0.77%	0.02%	Not reported	Q2 2013
INSMINSMED Inc	$86.7M	0.77%	0.28%	Not reported	Q4 2020
DORMDorman Products, Inc.	$85.6M	0.76%	1.80%	Not reported	Q2 2014
NBIXNeurocrine Biosciences Inc	$83.4M	0.74%	0.60%	Not reported	Q1 2016
NDSNNordson Corp	$82M	0.73%	0.64%	Not reported	Q2 2013
JBLJabil Inc	$80.6M	0.71%	0.35%	Not reported	Q1 2024
PCORProcore Technologies, Inc.	$78.1M	0.69%	0.71%	Not reported	Q4 2023
BJBJ's Wholesale Club Holdings, Inc.	$76.7M	0.68%	0.62%	Not reported	Q2 2019
BURLBurlington Stores, Inc.	$75.8M	0.67%	0.47%	Not reported	Q3 2014
SAILSailPoint, Inc.	$75M	0.66%	0.61%	Not reported	Q1 2025
CGNXCognex Corp	$73.5M	0.65%	0.97%	Not reported	Q2 2013
VOYAVoya Financial, Inc.	$73.2M	0.65%	1.03%	Not reported	Q1 2020
EXPEagle Materials Inc	$72.8M	0.64%	0.97%	Not reported	Q4 2016
ENTGEntegris Inc	$71.1M	0.63%	0.51%	Not reported	Q1 2017
FSSFederal Signal Corp	$70.6M	0.62%	0.98%	Not reported	Q4 2017
MTDRMatador Resources Co	$70.4M	0.62%	1.26%	Not reported	Q4 2013
HLIHoulihan Lokey, Inc.	$70.4M	0.62%	58.29%	Not reported	Q3 2018
GPIGroup 1 Automotive Inc	$70.3M	0.62%	1.24%	Not reported	Q2 2013
RPMRPM International Inc	$69.8M	0.62%	0.46%	Not reported	Q2 2013
PRIMPrimoris Services Corp	$69.7M	0.62%	0.94%	Not reported	Q2 2014
ADCAgree Realty Corp	$69.5M	0.62%	0.86%	Not reported	Q4 2017
KNSLKinsale Capital Group, Inc.	$69.1M	0.61%	0.70%	Not reported	Q2 2020
JPMJPMorgan Chase & Co	$68.8M	0.61%	0.01%	Not reported	Q3 2013
POWLPowell Industries Inc	$68.4M	0.61%	0.62%	Not reported	Q1 2025
SITESiteOne Landscape Supply, Inc.	$67.7M	0.60%	1.18%	Not reported	Q4 2016
TPHTri Pointe Homes, Inc.	$67M	0.59%	2.29%	Not reported	Q4 2023
NTRANatera, Inc.	$66.6M	0.59%	0.30%	Not reported	Q2 2023
PMPhilip Morris International Inc.	$66M	0.58%	0.03%	Not reported	Q2 2013

Q1 2025Reported May 5, 2025955 positions
RBCRBC Bearings INC	$148M	1.37%	1.42%	-1.6%	Q2 2013
TXRHTexas Roadhouse, Inc.	$146M	1.35%	1.32%	-1.2%	Q2 2013
MTSIMACOM Technology Solutions Holdings, Inc.	$128M	1.19%	1.72%	+9.9%	Q1 2016
GMEDGlobus Medical Inc	$126M	1.17%	1.25%	-1.4%	Q2 2014
MSFTMicrosoft Corp	$118M	1.09%	0.00%	-0.1%	Q1 2019
LOPEGrand Canyon Education, Inc.	$111M	1.03%	2.25%	-1.7%	Q2 2013
PFGCPerformance Food Group Co	$107M	0.99%	0.88%	-0.4%	Q3 2017
INSMINSMED Inc	$105M	0.97%	0.76%	+21.3%	Q4 2020
BJBJ's Wholesale Club Holdings, Inc.	$101M	0.94%	0.68%	-10.3%	Q2 2019
SFStifel Financial Corp	$101M	0.93%	1.02%	-1.6%	Q2 2013
ITTItt Inc.	$101M	0.93%	0.91%	-1.2%	Q2 2022
CVCOCavco Industries, Inc.	$98.8M	0.92%	2.38%	+0.8%	Q1 2016
AVGOBroadcom Inc.	$95.9M	0.89%	0.01%	+15.4%	Q2 2018
APGAPi Group Corp	$94.3M	0.87%	0.95%	+0.2%	Q1 2024
GTESGates Industrial Corp Ltd.	$93.8M	0.87%	1.98%	-0.2%	Q1 2021
HALOHalozyme Therapeutics, Inc.	$93.5M	0.87%	1.19%	-16.1%	Q4 2020
MTDRMatador Resources Co	$89.5M	0.83%	1.40%	-0.9%	Q4 2013
MGYMagnolia Oil & Gas Corp	$86.5M	0.80%	Not reported	-1.7%	Q1 2021
ABBVAbbVie Inc.	$83.1M	0.77%	0.02%	+26.6%	Q2 2013
IDAIdacorp Inc	$82.6M	0.77%	1.32%	-1.5%	Q2 2016
MEDPMedpace Holdings, Inc.	$82.5M	0.76%	0.91%	-1.7%	Q4 2020
KNSLKinsale Capital Group, Inc.	$81.2M	0.75%	0.72%	+46.6%	Q2 2020
ADCAgree Realty Corp	$80.4M	0.74%	0.95%	-1.4%	Q4 2017
PNFPPinnacle Financial Partners, Inc.	$80.4M	0.74%	0.98%	-0.4%	Q4 2016
PJCPiper Sandler Companies	$80.1M	0.74%	Not reported	+0.8%	Q4 2016
SLABSilicon Laboratories Inc.	$76.2M	0.71%	2.09%	-0.8%	Q1 2017
GTLSChart Industries Inc	$74M	0.69%	1.12%	-0.7%	Q3 2023
DORMDorman Products, Inc.	$72.5M	0.67%	1.97%	+0.7%	Q2 2014
BURLBurlington Stores, Inc.	$71.6M	0.66%	0.48%	+0.5%	Q3 2014
EXPEagle Materials Inc	$71.3M	0.66%	0.97%	-0.3%	Q4 2016
PCTYPaylocity Holding Corp	$71.2M	0.66%	0.68%	-0.2%	Q3 2018
BFAMBright Horizons Family Solutions Inc.	$71M	0.66%	0.97%	+23.1%	Q2 2020
RPMRPM International Inc	$70.4M	0.65%	0.47%	+0.3%	Q2 2013
SITESiteOne Landscape Supply, Inc.	$69.5M	0.64%	1.27%	-0.3%	Q4 2016
MANHManhattan Associates Inc	$68.9M	0.64%	0.66%	+28.5%	Q2 2021
VOYAVoya Financial, Inc.	$68.5M	0.63%	1.05%	-0.2%	Q1 2020
CBZCBIZ, Inc.	$67.8M	0.63%	1.66%	+9.7%	Q2 2019
HLIHoulihan Lokey, Inc.	$67.1M	0.62%	70.64%	-2.6%	Q3 2018
PMPhilip Morris International Inc.	$66.7M	0.62%	0.03%	+0.2%	Q2 2013
IEXIdex Corp	$66.4M	0.62%	0.48%	-2.0%	Q2 2022
GPIGroup 1 Automotive Inc	$66.3M	0.61%	1.31%	+0.7%	Q2 2013
ENTGEntegris Inc	$65.4M	0.61%	0.49%	-17.1%	Q1 2017
UMBFUmb Financial Corp	$64.7M	0.60%	0.84%	-1.5%	Q4 2023
TPHTri Pointe Homes, Inc.	$64.2M	0.59%	2.22%	-1.3%	Q4 2023
VCELVericel Corp	$63.9M	0.59%	2.85%	+12.4%	Q2 2019
INTAIntapp, Inc.	$62.3M	0.58%	1.32%	-23.3%	Q3 2023
NDSNNordson Corp	$61.1M	0.57%	0.53%	+0.1%	Q2 2013
CCCCCC Intelligent Solutions Holdings Inc.	$59.6M	0.55%	1.00%	-3.2%	Q3 2023
PRPermian Resources Corp	$59.6M	0.55%	0.61%	+31.9%	Q4 2023
DSGXDescartes Systems Group Inc	$59.1M	0.55%	0.68%	-2.7%	Q1 2020

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