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William Blair Investment Management, LLC

All holdings · as of Dec 31, 2025

413 positions

CompanyClassValueShares% of portfolio
BRADY CORP$27.63M352,5340.1%
Essent Group Ltd.$27.98M430,4490.1%
Spire Inc$28.04M339,0160.1%
Hayward Holdings, Inc.$28.15M1,822,2430.1%
Knight-Swift Transportation Holdings Inc.$28.45M544,2390.1%
EXPRO GROUP HOLDINGS N.V.$28.51M2,135,5390.1%
DigitalBridge Group, Inc.$28.62M1,865,4450.1%
FIRST MERCHANTS CORP$28.63M763,9040.1%
KULICKE & SOFFA INDUSTRIES INC$28.79M632,0170.1%
U S PHYSICAL THERAPY INC /NV$28.95M370,7070.1%
RAMBUS INC$29.07M316,3970.1%
UL Solutions Inc.$29.65M376,0390.1%
OneMain Holdings Inc$29.70M439,6960.1%
BKV CorpBKVCommon Stock$29.90M1,101,3860.1%
SELECTIVE INSURANCE GROUP INC$29.91M357,4670.1%
LXP INDUSTRIAL TRUST$29.95M604,1640.1%
ICU MEDICAL INC/DE$30.07M210,7660.1%
CareTrust REIT, Inc.$30.22M835,8500.1%
Bloom Energy Corp$30.25M348,1920.1%
Kite Realty Group Trust$30.79M1,284,6040.1%
Zeta Global Holdings Corp.$30.88M1,517,4330.1%
Helios Technologies Inc$31.42M587,3430.1%
WAFD INC$31.93M996,8800.1%
GXO Logistics, Inc.$32.56M618,5140.1%
UNITED STATES LIME & MINERALS INCUSLMCommon Stock$32.67M272,8570.1%
Thermon Group Holdings, Inc.$32.98M887,4510.1%
JEFFERSON CAPITAL, INC.JCAPCommon Stock$33.15M1,484,1090.1%
VERACYTE INC$33.28M790,4250.1%
RENASANT CORP$33.39M948,1590.1%
KIRBY CORP$33.52M304,2110.1%
Huron Consulting Group Inc.$33.61M194,3880.1%
Sylvamo Corp$33.78M701,4970.1%
LandBridge Co LLCLBCommon Stock$33.82M690,2910.1%
ELI LILLY & Co$34.41M32,0160.1%
SANMINA CORP$34.42M229,3620.1%
Lantheus Holdings, Inc.$34.75M522,1770.1%
Eastern Bankshares, Inc.$34.91M1,893,9280.1%
Atmus Filtration Technologies Inc.$35.40M681,9720.1%
Applied Industrial Technologies Inc$35.44M138,0030.1%
COMMERCIAL METALS Co$35.77M516,7920.1%
EQUITY LIFESTYLE PROPERTIES INC$36.15M596,3590.1%
Healthcare Realty Trust Inc$36.18M2,134,5800.1%
Rexford Industrial Realty, Inc.$36.21M935,1110.1%
Integer Holdings Corp$36.73M468,3770.1%
Impinj Inc$36.89M212,0030.1%
Americold Realty Trust, Inc.$36.94M2,872,5610.1%
East West Bancorp Inc$37.18M330,8340.1%
COGNEX CORP$37.90M1,053,2800.1%
LATAM AIRLINES GROUP SA$37.93M702,3580.1%
PDF Solutions, Inc.$38.76M1,358,4810.1%
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