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GW&K Investment Management, LLC

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13F filer, CIK 1082917, BOSTON, MA

GW&K Investment Management, LLC reported $11,342,046,000 across 1,020 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-13. Its ten largest share positions make up 12.82% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001082917-26-000002

Period
2026-03-31
Reported value
$11.3B
Holdings
1,020
Top 10 weight
12.82%
New
52
Sold out
29

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PIPRnew+915,843$70.1M
COHRnew+287,335$68.4M
FNnew+128,323$66.9M
PNFPnew+545,376$47M
CWnew+63,033$42.9M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
PIPRexited-296,342-$101M
MTSIreduced-378,873-$84.1M
TPHreduced-1,370,881-$64.1M
LITEreduced-82,176-$57.4M
RBCreduced-82,457-$44.8M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001082917-26-000002, largest first. % of portfolio is the value over $11,342,046,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BOTZGLOBAL X FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 67 shares 67$2K<0.01%newTimeline
SLVMSYLVAMO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 46 shares; 2025Q3: 46 shares; 2025Q4: 46 shares; 2026Q1: 41 shares 41$2K<0.01%-5Timeline
XEMDBONDBLOXX ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 37 shares 37$2K<0.01%newTimeline
TEAMATLASSIAN CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 9 shares; 2024Q4: 9 shares; 2025Q1: 9 shares; 2025Q2: 9 shares; 2025Q3: 9 shares; 2025Q4: 9 shares; 2026Q1: 9 shares 9$1K<0.01%0Timeline
LWLAMB WESTON HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 72 shares; 2024Q4: 63 shares; 2025Q1: 121 shares; 2025Q2: 135 shares; 2025Q3: 148 shares; 2025Q4: 168 shares; 2026Q1: 16 shares 16$1K<0.01%-152Timeline
PRGSPROGRESS SOFTWARE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 59,475 shares; 2025Q4: 56,847 shares; 2026Q1: 54 shares 54$1K<0.01%-56,793Timeline
BIPCBROOKFIELD INFRASTRUCTURE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 16 shares; 2025Q2: 16 shares; 2025Q3: 16 shares; 2025Q4: 16 shares; 2026Q1: 16 shares 16$1K<0.01%0Timeline
GENIGENIUS SPORTS LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 290,800 shares; 2025Q2: 358,555 shares; 2025Q3: 346,710 shares; 2025Q4: 331,487 shares; 2026Q1: 325 shares 325$1K<0.01%-331,162Timeline
CWHCAMPING WORLD HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 113,295 shares; 2025Q2: 157,360 shares; 2025Q3: 152,110 shares; 2025Q4: 145,732 shares; 2026Q1: 140 shares 140$1K<0.01%-145,592Timeline
BENFRANKLIN TEMPLETON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 40 shares; 2024Q4: 30 shares; 2025Q1: 30 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 24 shares; 2026Q1: 42 shares 42$1K<0.01%+18Timeline
KDKYNDRYL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 718,158 shares; 2024Q4: 754,658 shares; 2025Q1: 727,788 shares; 2025Q2: 373,653 shares; 2025Q3: 479,951 shares; 2025Q4: 517,975 shares; 2026Q1: 58 shares 58$1K<0.01%-517,917Timeline
ICFIICF INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 224,813 shares; 2024Q4: 219,891 shares; 2025Q1: 784 shares; 2025Q2: 219 shares; 2025Q3: 199 shares; 2025Q4: 199 shares; 2026Q1: 19 shares 19$1K<0.01%-180Timeline
MHKMOHAWK INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 19 shares; 2024Q4: 13 shares; 2025Q1: 9 shares; 2025Q2: 11 shares; 2025Q3: 11 shares; 2025Q4: 12 shares; 2026Q1: 6 shares 6$1K<0.01%-6Timeline
FLOTISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 4 shares 4$00%newValue filed as zero, left out of ratios.Timeline
SNASNAP ON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1 shares; 2024Q4: 1 shares; 2025Q1: 1 shares; 2025Q2: 1 shares; 2025Q3: 1 shares; 2025Q4: 1 shares; 2026Q1: 1 shares 1$00%0Value filed as zero, left out of ratios.Timeline
WENWENDYS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1 shares; 2025Q3: 1 shares; 2025Q4: 1 shares; 2026Q1: 1 shares 1$00%0Value filed as zero, left out of ratios.Timeline
OGNORGANON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 46 shares; 2024Q4: 46 shares; 2025Q1: 46 shares; 2025Q2: 46 shares; 2025Q3: 46 shares; 2025Q4: 46 shares; 2026Q1: 46 shares 46$00%0Value filed as zero, left out of ratios.Timeline
SOBOSOUTH BOW CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1 shares; 2025Q2: 1 shares; 2025Q3: 1 shares; 2025Q4: 1 shares; 2026Q1: 1 shares 1$00%0Value filed as zero, left out of ratios.Timeline
IEFISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 4 shares 4$00%newValue filed as zero, left out of ratios.Timeline
OXY/WSOCCIDENTAL PETE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1 shares; 2025Q2: 1 shares; 2025Q3: 1 shares; 2025Q4: 1 shares; 2026Q1: 1 shares 1$00%0Value filed as zero, left out of ratios.Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
PIPRPIPER SANDLER COS296,342$101Mshares
PNFPPINNACLE FINANCIAL PARTNERS451,459$44.2Mshares
BBSIBARRETT BUSINESS SVCS INC514,047$18.6Mshares
DVAXDYNAVAX TECHNOLOGIES CORP241,882$3.72Mshares
GLOBGLOBANT S A55,007$3.6Mshares
BRBRBELLRING BRANDS INC52,041$1.39Mshares
CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAEL2,289$1.02Mshares
IWNISHARES TR789$143Kshares
NTNXNUTANIX INC981$51Kshares
MUSAMURPHY USA INC125$50Kshares
ROCKGIBRALTAR INDS INC942$47Kshares
AZNASTRAZENECA PLC-SPONS ADR411$38Kshares
VGTVANGUARD WORLD FD42$32Kshares
POWIPOWER INTEGRATIONS INC301$11Kshares
AMCOR PLCAMCOR PLC1,151$10Kshares
FULFULLER H B CO143$9Kshares
CUZCOUSINS PPTYS INC295$8Kshares
HIHILLENBRAND INC250$8Kshares
HAEHAEMONETICS CORP MASS85$7Kshares
FCNFTI CONSULTING INC40$7Kshares
BBWIBATH & BODY WORKS INC314$6Kshares
DAYDAYFORCE INC59$4Kshares
OLNOLIN CORP130$3Kshares
QIAGEN N.V.QIAGEN N.V.37$2Kshares
MICCMAGNUM ICE CREAM CO NV63$1Kshares
EMNEASTMAN CHEM CO12$1Kshares
WIXWIX COM LTD14$1Kshares
NWSNEWS CORP NEW29$1Kshares
NSANATIONAL STORAGE AFFILIATES3$0shares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001082917-26-000002 base2026-05-13acceptance time not in the bulk data set