C000030126C000164665C000030128C000110096C000164667S&P 500 Index TRS&P 500 Index TR_770S&P 500 Index TRS&P 500 Index TR_771S&P 500 Index TRS&P 500 Index TR_772S&P 500 Index TRS&P 500 Index TR_773S&P 500 Index TRS&P 500 Index TR_774Russell Midcap Total ReturnRussell Midcap Total Return_770Russell Midcap Total ReturnRussell Midcap Total Return_771Russell Midcap Total ReturnRussell Midcap Total Return_772Russell 2000 Total ReturnRussell 2000 Total Return_773Russell 2000 Total ReturnRussell 2000 Total Return_774778296103 | Ross Stores, Inc.032095101 | Amphenol Corporation, Class A032654105 | Analog Devices, Inc.570535104 | Markel Group, Inc.45167R104 | IDEX Corporation49338L103 | Keysight Technologies, Inc.11271J107 | Brookfield Corporation, Class A929160109 | Vulcan Materials Company115236101 | Brown & Brown, Inc.311900104 | Fastenal CompanyG8994E103 | Trane Technologies plc422806208 | HEICO Corporation, Class A363576109 | Arthur J. Gallagher & Company863667101 | Stryker Corporation595017104 | Microchip Technology, Inc.760759100 | Republic Services, Inc.573284106 | Martin Marietta Materials, Inc.29362U104 | Entegris, Inc.124805102 | CBIZ, Inc.05589G102 | Baldwin Insurance Group, Inc. (The)35905A109 | Frontdoor, Inc.194693107 | Colliers International Group, Inc.67000B104 | Novanta, Inc.339750101 | Floor & Decor Holdings, Inc., Class A147448104 | Casella Waste Systems, Inc., Class A82982L103 | SiteOne Landscape Supply, Inc.89679A209 | Trisura Group Ltd.16359R103 | Chemed CorporationProfessional ServicesDiversified Financial ServicesSoftwareMoney Market FundsBanksRoad & RailLife Sciences Tools & ServicesHotels, Restaurants & LeisureHealth Care Equipment & SuppliesTrading Companies & DistributorsConstruction MaterialsCapital MarketsSemiconductors & Semiconductor EquipmentSpecialty RetailMachineryInsuranceElectronic Equipment, Instruments & ComponentsReal Estate Management & DevelopmentCommunications EquipmentContainers & PackagingTextiles, Apparel & Luxury GoodsIT ServicesAerospace & DefenseBuilding ProductsCommercial Services & SuppliesMediaGas UtilitiesChemicalsHealth Care Providers & ServicesElectrical EquipmentDiversified Consumer ServicesNo Trading Symbol [Flag]AssetsNetInvestmentCompanyPortfolioTurnover