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13F-HR filed by DF DENT & CO INC

DF DENT & CO INC filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-15, with 262 holding rows worth $5,221,468,248.

Accession
0000934999-26-000002
Filed
2026-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2026

A holdings report, 262 entries on the cover page, a total value of $5,221,468,248 stated on the cover page (in dollars after the unit check, H1), rows summing to $5,221,468,248 with VALUE read as dollars as filed, 13F file number 028-03691. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
Alphabet Inc. Reg. Shares C02079K107COM756,817$217,100,656dollars as filed
Visa Inc92826C839COM618,044$186,797,766dollars as filed
Amazon.com, Inc023135106COM796,428$165,872,060dollars as filed
HEICO CORP NEW422806208CL A777,018$164,020,788dollars as filed
VULCAN MATLS CO COM929160109Stock543,613$148,025,836dollars as filed
MasterCard, Inc57636Q104COM287,119$143,462,075dollars as filed
TRANSDIGM GROUP INC COM893641100Stock122,753$142,265,784dollars as filed
WASTE CONNECTIONS INC COM94106B101Stock859,515$139,619,602dollars as filed
ECOLAB INC COM278865100Stock518,622$137,963,813dollars as filed
MOODYS CORP COM615369105Stock295,401$128,868,777dollars as filed
Intuitive Surgical,Inc.46120E602COM275,313$126,916,540dollars as filed
FASTENAL CO COM311900104Stock2,667,297$123,762,566dollars as filed
Microsoft Corp594918104COM293,450$108,626,567dollars as filed
BIO-TECHNE CORP09073M104COM2,043,047$106,769,630dollars as filed
MONOLITHIC PWR SYS INC COM609839105Stock88,549$96,815,305dollars as filed
PERIMETER SOLUTIONS INC71385M107COMMON STOCK3,932,371$96,028,504dollars as filed
GUIDEWIRE SOFTWARE INC COM40171V100Stock618,275$92,469,164dollars as filed
CBRE GROUP INC CL A12504L109Stock657,510$89,066,268dollars as filed
KINSALECAPGROUPINC49714P108STOK248,937$85,051,791dollars as filed
Danaher Corporation235851102COM431,292$81,772,927dollars as filed
VEEVA SYS INC CL A COM922475108Stock461,103$80,997,272dollars as filed
CADENCE DESIGN SYSTEM INC COM127387108Stock288,044$80,038,689dollars as filed
ASMLHLDGNVFSPONSOREDADR1ADRREPS1ORDSHSN07059210STOK60,467$79,866,164dollars as filed
MSCI INC COM55354G100Stock121,442$65,458,429dollars as filed
S&P Global,Inc.78409V104COM152,338$64,795,546dollars as filed
COSTAR GROUP INC COM22160N109Stock1,605,157$64,752,035dollars as filed
Broadcom Inc.11135F101COM195,462$60,497,356dollars as filed
Apple Inc037833100COM234,123$59,418,070dollars as filed
TYLER TECHNOLOGIES INC COM902252105Stock169,677$58,094,001dollars as filed
MOTOROLA SOLUTIONS INC COM NEW620076307Stock128,423$55,731,729dollars as filed
Uber Technologies90353T100COM755,581$54,348,941dollars as filed
MANHATTAN ASSOCIATES INC COM562750109Stock388,625$51,733,764dollars as filed
Netflix, Inc64110L106COM529,849$50,944,981dollars as filed
MARKELGROUPINC570535104STOK26,536$50,791,474dollars as filed
APPFOLIO INC03783C100COM CL A320,512$50,583,269dollars as filed
PROCORE TECHNOLOGIES INC COM74275K108Stock860,181$49,030,328dollars as filed
VERALTO CORP COM SHS92338C103Stock528,258$46,708,600dollars as filed
Thermo Fisher Scientific Inc.883556102COM93,940$46,174,510dollars as filed
NOVANTA INC67000B104COM386,877$45,694,055dollars as filed
OREILLY AUTOMOTIVE INC COM67103H107Stock471,882$43,559,427dollars as filed
REPLIGEN CORP COM759916109Stock365,115$43,017,879dollars as filed
RBC BEARINGS INC COM75524B104Stock73,409$39,870,064dollars as filed
COPART INC COM217204106Stock1,183,988$39,308,405dollars as filed
ServiceNow,Inc.81762P102COM349,563$36,546,812dollars as filed
MEDPACE HLDGS INC COM58506Q109Stock74,810$35,923,057dollars as filed
LANDBRIDGE COMPANY LLC514952100CL A497,807$34,373,608dollars as filed
SHERWIN WILLIAMS CO824348106COM105,986$33,973,737dollars as filed
GOOSEHEAD INS INC38267D109COM CL A783,615$33,429,010dollars as filed
OLD DOMINION FREIGHT LINE INC COM679580100Stock168,508$32,926,382dollars as filed
FLOOR & DECOR HLDGS INC CL A339750101Stock638,003$32,410,548dollars as filed
SITEONE LANDSCAPE SUPPLY INC82982L103COM236,148$31,433,698dollars as filed
WEST PHARMACEUTICAL SVSC INC COM955306105Stock120,597$30,226,477dollars as filed
HAYWARD HLDGS INC421298100COM2,154,356$28,825,289dollars as filed
Qualcomm Incorporated747525103COM211,130$27,189,270dollars as filed
AMPHENOL CORP NEW032095101COM213,060$26,920,131dollars as filed
CASELLA WASTE SYS INC147448104CL A327,585$25,990,607dollars as filed
PTC INC COM69370C100Stock180,589$25,732,097dollars as filed
CSW INDUSTRIALS INC126402106COM96,562$25,162,006dollars as filed
METTLER TOLEDO INTERNATIONAL COM592688105Stock19,679$24,819,407dollars as filed
APPLIED INDL TECHNOLOGIES INC COM03820C105Stock90,256$23,946,682dollars as filed
CORE & MAIN INC CL A21874C102Stock474,350$23,432,908dollars as filed
BADGER METER INC COM056525108Stock150,869$22,984,921dollars as filed
FEDERAL SIGNAL CORP313855108COM211,840$22,908,343dollars as filed
SAIA INC78709Y105COM64,817$22,768,835dollars as filed
American Tower Corporation03027X100COM131,882$22,760,170dollars as filed
IDEXX LABS INC COM45168D104Stock40,023$22,488,523dollars as filed
CROWDSTRIKE HLDGS INC22788C105COM55,996$21,861,398dollars as filed
ESCO TECHNOLOGIES INC296315104COM73,142$20,579,984dollars as filed
VERISK ANALYTICS INC COM92345Y106Stock107,267$20,353,873dollars as filed
BOOZ ALLEN HAMILTON HLDG CORP CL A099502106Stock260,522$20,328,546dollars as filed
ONTO INNOVATION INC COM683344105Stock93,581$19,190,721dollars as filed
Procter & Gamble Co742718109COM129,532$18,709,602dollars as filed
LEMAITRE VASCULAR INC525558201COM165,341$18,050,297dollars as filed
MORNINGSTAR INC COM617700109Stock102,371$17,305,809dollars as filed
ENTEGRIS INC COM29362U104Stock142,363$16,690,652dollars as filed
HAMILTON LANE INC407497106CL A156,864$15,592,298dollars as filed
BROWN & BROWN INC COM115236101Stock232,798$15,180,760dollars as filed
MICROCHIP TECHNOLOGY INC. COM595017104Stock230,384$14,885,088dollars as filed
Costco Wholesale Corporation22160K105COM14,536$14,483,849dollars as filed
VSE CORP COM918284100Stock77,243$14,243,685dollars as filed
EAGLE MATLS INC COM26969P108Stock74,711$14,153,971dollars as filed
KADANT INC48282T104COM46,393$13,562,973dollars as filed
AGILYSYS INC00847J105COM184,925$13,155,552dollars as filed
DESCARTES SYS GROUP INC COM249906108Stock183,478$13,129,670dollars as filed
Johnson & Johnson478160104COM53,623$13,107,606dollars as filed
ALARM COM HLDGS INC COM011642105Stock299,977$12,956,020dollars as filed
ENSIGN GROUP INC29358P101COM64,184$12,933,169dollars as filed
ROPER TECHNOLOGIES INC COM776696106Stock35,563$12,584,323dollars as filed
SIMPSON MFG INC829073105COM68,667$11,784,709dollars as filed
PDF SOLUTIONS INC693282105COMMON STOCK352,960$11,545,334dollars as filed
Stryker Corporation863667101COM34,830$11,444,790dollars as filed
MURPHY USA INC COM626755102Stock22,997$11,359,621dollars as filed
HEALTHEQUITY INC COM42226A107Stock133,782$11,180,186dollars as filed
WARBY PARKER INC93403J106CL A COM528,128$11,127,667dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM36,741$10,565,242dollars as filed
UTZ BRANDS INC COM CL A918090101Stock1,325,603$10,498,774dollars as filed
SYNOPSYS INC COM871607107Stock26,382$10,459,936dollars as filed
DOUGLAS DYNAMICS INC25960R105COM246,325$10,367,820dollars as filed
Berkshire Hathaway Inc084670702COM20,638$9,889,730dollars as filed
RAMBUS INC DEL COM750917106Stock101,865$8,763,482dollars as filed
JPMorgan Chase & Co46625H100COM29,669$8,727,433dollars as filed
BERKSHIRE HATHAWAY INC DEL084670108CL A12$8,617,680dollars as filed
Vanguard S&P 500 ETF922908363COM14,316$8,554,526dollars as filed
WATSCO INC COM942622200Stock22,836$8,307,451dollars as filed
ATLASSIANCORPCLASSA049468101STOK110,497$7,541,403dollars as filed
EXPONENT INC30214U102COM114,920$7,498,533dollars as filed
MARKETAXESS HLDGS INC57060D108COM41,000$6,764,137dollars as filed
CAPITAL ONE FINL CORP14040H105COM32,367$5,904,712dollars as filed
AbbVie,Inc.00287Y109COM25,819$5,615,374dollars as filed
PRICE T ROWE GROUP INC COM74144T108Stock57,170$5,153,304dollars as filed
Vanguard FTSE All-World ex-US ETF922042775SHS57,018$4,282,052dollars as filed
Lowes Companies,Inc.548661107COM17,099$4,040,152dollars as filed
Cisco Systems,Inc.17275R102COM50,469$3,915,890dollars as filed
WINGSTOP INC COM974155103Stock23,498$3,641,485dollars as filed
Automatic Data Processing,Inc.053015103COM17,232$3,501,198dollars as filed
Intuit Inc.461202103COM7,697$3,327,846dollars as filed
Home Depot, Inc437076102COM9,178$3,018,552dollars as filed
CAMECO CORP COM13321L108Stock27,701$3,008,606dollars as filed
Eli Lilly and Company532457108COM3,100$2,851,287dollars as filed
SHOPIFY INC82509L107CL A SUB VTG SHS23,770$2,819,597dollars as filed
EQT CORP COM26884L109Stock43,720$2,782,341dollars as filed
Coca-Cola Company191216100COM36,280$2,759,094dollars as filed
Merck & Co.,Inc.58933Y105COM22,689$2,729,260dollars as filed
PAYCHEX INC704326107COM29,233$2,692,944dollars as filed
Abbott Laboratories002824100COM25,207$2,588,003dollars as filed
WW GRAINGER INC COM384802104Stock2,340$2,552,495dollars as filed
FRANCO NEV CORP COM351858105Stock9,850$2,433,442dollars as filed
RANGE RES CORP COM75281A109Stock53,760$2,428,877dollars as filed
WABTEC COM929740108Stock9,643$2,409,882dollars as filed
ISHARES TR464287465MSCI EAFE ETF24,137$2,344,427dollars as filed
WHEATON PRECIOUS METALS CORP COM962879102Stock17,450$2,286,124dollars as filed
META PLATFORMS INC CL A30303M102COM3,836$2,194,691dollars as filed
CROWN CASTLE INC COM22822V101REIT26,636$2,165,773dollars as filed
EXXON MOBIL CORP30231G102COM12,355$2,096,149dollars as filed
PepsiCo,Inc.713448108COM12,863$1,997,495dollars as filed
Chevron Corporation166764100COM8,487$1,755,960dollars as filed
FISERV INC337738108COM31,335$1,748,493dollars as filed
ILLINOIS TOOL WKS INC452308109COM6,222$1,619,524dollars as filed
DEXCOM INC COM252131107Stock25,317$1,589,908dollars as filed
American Express Company025816109COM5,253$1,588,927dollars as filed
EDWARDS LIFESCIENCES CORP COM28176E108Stock19,253$1,541,780dollars as filed
CANADIANNATLRYCOF136375102STOK14,900$1,531,273dollars as filed
Analog Devices,Inc.032654105COM4,751$1,511,483dollars as filed
McDonalds Corporation580135101COM4,804$1,493,035dollars as filed
Chubb LimitedH1467J104COM4,545$1,481,352dollars as filed
Vanguard High Dividend Yield ETF921946406SHS9,913$1,468,115dollars as filed
TRACTOR SUPPLY CO COM892356106Stock31,850$1,442,805dollars as filed
TJX Companies Inc872540109COM8,619$1,376,454dollars as filed
NORFOLK SOUTHN CORP COM655844108Stock4,521$1,297,527dollars as filed
ENTERPRISE PRODS PARTNERS L293792107COM34,232$1,295,339dollars as filed
BHP BILLITON LIMITED SPONSORED ADS088606108ADR17,511$1,273,750dollars as filed
EMERSON ELEC CO COM291011104Stock9,558$1,252,289dollars as filed
Pfizer Inc.717081103COM43,142$1,211,427dollars as filed
Vanguard Dividend Appreciation ETF921908844SHS5,189$1,115,946dollars as filed
Oracle Corporation68389X105COM7,546$1,110,092dollars as filed
DICKS SPORTING GOODS INC COM253393102Stock5,475$1,085,638dollars as filed
VWO922042858SHS19,896$1,075,379dollars as filed
MCCORMICK & CO INC COM NON VTG579780206Stock21,204$1,069,530dollars as filed
NVIDIA Corp67066G104COM6,100$1,063,840dollars as filed
Intel Corp458140100COM23,837$1,051,927dollars as filed
Walt Disney Co254687106COM10,902$1,050,735dollars as filed
NextEra Energy,Inc.65339F101COM11,276$1,047,315dollars as filed
WILLIAMS SONOMA INC COM969904101Stock5,667$1,033,264dollars as filed
TERRENO RLTY CORP88146M101COM16,552$1,016,624dollars as filed
CONSTELLATION SOFTWARE INC21037X100COM573$1,008,050dollars as filed
COLGATE PALMOLIVE CO COM194162103Stock11,453$976,139dollars as filed
International Business Machines Corporation459200101COM3,757$910,659dollars as filed
WEC ENERGY GROUP INC COM92939U106Stock7,732$895,134dollars as filed
Honeywell Technologies438516106COM3,948$892,366dollars as filed
KLA CORP482480100COM606$892,280dollars as filed
LABCORP HOLDINGS INC COM SHS504922105Stock3,308$882,607dollars as filed
BERKLEY W R CORP COM084423102Stock13,040$864,291dollars as filed
Mondelez International,Inc. Class A609207105COM14,857$856,357dollars as filed
iShares Core MSCI EAFE ETF46432F842SHS8,923$807,799dollars as filed
MP MATERIALS CORP553368101COM CL A16,587$800,489dollars as filed
NOVARTIS AG SPONSORED ADR66987V109ADR5,115$781,316dollars as filed
Raytheon Technologies Corporation75513E101COM4,012$773,915dollars as filed
Linde plcG54950103COM1,508$747,606dollars as filed
VTI922908769COM2,315$742,675dollars as filed
Walmart Inc.931142103COM5,952$739,715dollars as filed
Progressive Corporation743315103COM3,729$739,237dollars as filed
Starbucks Corporation855244109COM8,186$733,384dollars as filed
QUANTA SVCS INC74762E102COM1,328$729,099dollars as filed
3M CO COM88579Y101Stock4,971$721,938dollars as filed
NESTLE SA ADR641069406COM7,192$712,727dollars as filed
UnitedHealth Group Inc91324P102COM2,518$681,346dollars as filed
Amgen Inc.031162100COM1,933$680,126dollars as filed
SPDR GOLD TR78463V107GOLD SHS1,565$673,404dollars as filed
EAST WEST BANCORP INC COM27579R104Stock6,100$651,236dollars as filed
SBA COMMUNICATIONS CORP CL A78410G104REIT3,686$634,357dollars as filed
Morgan Stanley617446448COM3,854$634,253dollars as filed
BLACKSTONE INC09260D107COM5,499$632,330dollars as filed
ISHARES TR4642881253YRTB ETF8,400$623,147dollars as filed
M & T BK CORP COM55261F104Stock2,985$617,059dollars as filed
Caterpillar Inc.149123101COM852$603,608dollars as filed
SPDR SERIES TRUST78464A334BLOMBERG BRC INT22,300$600,316dollars as filed
CANADIAN PACIFIC KANSAS CITY COM13646K108Stock7,101$558,565dollars as filed
USBANCORPDEL902973304COM NEW10,720$557,547dollars as filed
LVMH MOET HENNESSY LOU FSPONSORED ADR 1 ADR REPS 0.2 ORD SHS502441306AMERICAN DEPOSITORY4,913$536,696dollars as filed
POOL CORP COM73278L105Stock2,603$526,665dollars as filed
Eaton Corp. PlcG29183103COM1,467$524,702dollars as filed
MCKESSON CORP COM58155Q103Stock578$500,178dollars as filed
HUBBELL INC COM443510607Stock1,009$495,157dollars as filed
Vanguard Real Estate922908553SHS5,522$489,801dollars as filed
Marsh & McLennan Companies,Inc.571748102COM2,816$488,435dollars as filed
Philip Morris International Inc.718172109COM2,890$477,833dollars as filed
Comcast Corp20030N101COM16,584$476,127dollars as filed
SYSCOCORP871829107COM6,576$469,066dollars as filed
WATSCO INC942622101CL B CONV1,245$448,586dollars as filed
PNC FINL SVCS GROUP INC COM693475105Stock2,121$441,359dollars as filed
ConocoPhillips20825C104COM3,300$435,600dollars as filed
Boeing Company097023105COM2,178$433,487dollars as filed
ONEOK INC NEW682680103COM4,781$432,155dollars as filed
Goldman Sachs Group,Inc.38141G104COM506$428,071dollars as filed
NXP SEMICONDUCTORS N V COMN6596X109Stock2,111$415,571dollars as filed
Wells Fargo & Company949746101COM5,154$410,310dollars as filed
Vanguard Small-Cap ETF922908751SHS1,562$409,119dollars as filed
KEYSIGHT TECHNOLOGIES INC COM49338L103Stock1,425$402,377dollars as filed
MIDDLEBYCORP596278101STOK3,031$401,850dollars as filed
Booking Holdings Inc.09857L108COM95$399,980dollars as filed
VGT92204A702SHS572$399,096dollars as filed
EMCOR GROUP INC COM29084Q100Stock540$398,687dollars as filed
AIR PRODS & CHEMS INC009158106COM1,370$397,971dollars as filed
ISHARES INC46434G764MSCI EMRG CHN4,930$387,794dollars as filed
VENTAS INC COM92276F100REIT4,729$386,738dollars as filed
LENNOX INTL INC COM526107107Stock804$373,161dollars as filed
WP CAREY INC COM92936U109REIT5,464$371,316dollars as filed
Bank of America Corp060505104COM7,613$371,134dollars as filed
Accenture Plc Class AG1151C101COM1,870$370,802dollars as filed
Verizon Communications Inc92343V104COM7,364$369,673dollars as filed
WISDOMTREE TR97717W422INDIA ERNGS FD9,000$367,200dollars as filed
RPM INTL INC COM749685103Stock3,650$362,810dollars as filed
EOG RES INC COM26875P101Stock2,499$361,280dollars as filed
iShares U.S. Technology ETF464287721SHS1,910$346,512dollars as filed
ILLUMINA INC452327109COM2,683$330,707dollars as filed
VANGUARD HEALTH CARE ETF92204A504ETF1,204$327,885dollars as filed
TAIWAN SEMICONDUCTOR MFG874039100SPONSORED ADS966$326,460dollars as filed
Southern Company842587107COM3,341$322,473dollars as filed
CALAMOS CONVERTIBLE OPPORTUNIT128117108SH BEN INT29,418$315,949dollars as filed
NEWMONT CORP651639106COM2,908$314,791dollars as filed
Bristol-Myers Squibb Company110122108COM5,110$309,921dollars as filed
BP PLC SPONSORED ADR055622104ADR6,555$308,085dollars as filed
PINNACLE WEST CAP CORP723484101COM3,000$302,250dollars as filed
SELECT SECTOR SPDR TR81369Y407SBI CONS DISCR2,674$291,413dollars as filed
TRIMBLE INC COM896239100Stock4,345$283,424dollars as filed
SHORE BANCSHARES INC825107105COMMON STOCK14,500$270,860dollars as filed
ALLISON TRANSMISSION HLDGS I01973R101COM2,308$270,174dollars as filed
SPY78462F103SHS406$264,038dollars as filed
BECTON DICKINSON & CO075887109COM1,675$263,360dollars as filed
Vanguard FTSE Developed Markets ETF921943858SHS4,045$259,204dollars as filed
Altria Group Inc02209S103COM3,886$256,437dollars as filed
Technology Select Sector SPDR Fund81369Y803SHS1,912$254,105dollars as filed
Prologis,Inc.74340W103COM1,919$253,653dollars as filed
OTIS WORLDWIDE CORP COM68902V107Stock3,165$243,958dollars as filed
Vanguard Mid-Cap ETF922908629SHS796$228,595dollars as filed
BANK HAWAII CORP062540109COM3,025$224,606dollars as filed
General Electric Company369604301COM741$210,274dollars as filed
NEOGEN CORP640491106COM22,000$204,380dollars as filed
ALPS ETF TR00162Q452ALERIAN MLP3,809$200,506dollars as filed
FLAHERTY & CRUMRIN PFD & INM338478100COM12,298$190,496dollars as filed
GAMCO GLOBAL GOLD NAT RES &36465A109COM SH BEN INT23,470$124,860dollars as filed
MERGENET SOLUTIONS INC COM58950m109COM10,000$10,000dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000934999-26-000002this filing2026-05-15acceptance time not in the bulk data set