SEC Form 13F

GW&K Investment Management, LLC 13F Holdings

Inspect GW&K Investment Management, LLC's 2026-06-30 SEC 13F positions, public filing date, amendments and original receipt.

As of 2026-08-13T03:59:59.999Z

Report period
2026-06-30
Publicly available
2026-08-13
Reported value
$12,797,505,000
Positions
1,088

Disclosed positions

MACOM TECHNOLOGY SOLUTIONS HMTSICOMMON$241,439,000634,742SHNone
ADVANCED ENERGY INDUSTRIESAEISCOMMON$215,459,000577,834SHNone
SPX TECHNOLOGIES INCSPXCCOMMON$175,002,000713,791SHNone
STERLING INFRASTRUCTURE INCSTRLCOMMON$165,901,000197,645SHNone
ITT INCITTCOMMON$151,115,000764,125SHNone
NOVANTA INCNOVTCOMMON$145,574,000897,268SHNone
RBC BEARINGS INCRBCCOMMON$144,490,000224,336SHNone
MOOG INC-CLASS AMOG.ACOMMON$132,045,000311,540SHNone
ENTEGRIS INCENTGCOMMON$125,316,000696,739SHNone
API GROUP CORPAPGCOMMON$125,210,0002,956,543SHNone
TEXAS ROADHOUSE INCTXRHCOMMON$124,485,000644,226SHNone
FEDERAL SIGNAL CORPFSSCOMMON$119,041,000926,454SHNone
FABRINETFNCOMMON$118,463,000210,752SHNone
POWELL INDUSTRIES INCPOWLCOMMON$117,444,000410,122SHNone
GLOBUS MEDICAL INC - AGMEDCOMMON$114,818,0001,453,206SHNone
COHERENT CORPCOHRCOMMON$112,641,000285,545SHNone
GATES INDUSTRIAL CORP PLCGTESCOMMON$107,038,0003,826,871SHNone
HALOZYME THERAPEUTICS INCHALOCOMMON$105,969,0001,353,883SHNone
PERFORMANCE FOOD GROUP COPFGCCOMMON$103,676,000927,410SHNone
BURLINGTON STORES INCBURLCOMMON$102,885,000324,761SHNone
BROADCOM INCAVGOCOMMON$102,783,000272,092SHNone
IDACORP INCIDACOMMON$101,138,000668,455SHNone
MICROSOFT CORPMSFTCOMMON$100,408,000269,177SHNone
UMB FINANCIAL CORPUMBFCOMMON$96,002,000672,465SHNone
NEUROCRINE BIOSCIENCES INCNBIXCOMMON$95,631,000567,421SHNone
CAVCO INDUSTRIES INCCVCOCOMMON$94,273,000153,439SHNone
ELEMENT SOLUTIONS INCESICOMMON$92,521,0001,937,614SHNone
MEDPACE HOLDINGS INCMEDPCOMMON$91,461,000172,696SHNone
NORDSON CORPNDSNCOMMON$88,594,000293,653SHNone
GRAND CANYON EDUCATION INCLOPECOMMON$88,250,000616,654SHNone
VOYA FINANCIAL INCVOYACOMMON$87,284,000964,138SHNone
APPLIED INDUSTRIAL TECH INCAITCOMMON$87,206,000257,886SHNone
STIFEL FINANCIAL CORPSFCOMMON$87,006,0001,247,030SHNone
COMFORT SYSTEMS USA INCFIXCOMMON$86,857,00043,819SHNone
JABIL INCJBLCOMMON$84,629,000219,538SHNone
JAZZ PHARMACEUTICALS PLCJAZZCOMMON$84,501,000350,667SHNone
BRIDGEBIO PHARMA INCBBIOCOMMON$83,800,0001,125,131SHNone
SOLARIS ENERGY INFRASTRUCTURSEICOMMON$83,527,0001,038,119SHNone
VERACYTE INCVCYTCOMMON$83,193,0001,416,543SHNone
RYMAN HOSPITALITY PROPERTIESRHPCOMMON$79,160,000615,786SHNone
CYTOKINETICS INCCYTKCOMMON$78,044,000916,107SHNone
LIGAND PHARMACEUTICALSLGNDCOMMON$78,038,000246,883SHNone
DELL TECHNOLOGIES -CDELLCOMMON$76,152,000176,499SHNone
MAGNOLIA OIL & GAS CORP - AMGYCOMMON$74,627,0002,917,419SHNone
COGNEX CORPCGNXCOMMON$73,896,0001,020,371SHNone
BJS WHOLESALE CLUB HOLDINGSBJCOMMON$73,008,000837,052SHNone
CITIZENS FINANCIAL GROUPCFGCOMMON$72,448,0001,033,943SHNone
PHILIP MORRIS INTERNATIONALPMCOMMON$70,783,000391,260SHNone
DUCOMMUN INCDCOCOMMON$70,667,000381,545SHNone
GLACIER BANCORP INCGBCICOMMON$69,534,0001,348,072SHNone

Largest 50 positions by reported value; the filing may contain more positions.

How amendments affect these holdings

This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 2 positions lack a resolved ticker and 0 positions are put or call entries.

A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.

Quarter end and public filing date

Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.