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13F-HR filed by GRANDFIELD & DODD, LLC

GRANDFIELD & DODD, LLC filed this 13F-HR for the quarter ended 2026-03-31, filed 2026-05-07, with 209 holding rows worth $1,771,143,291.

Accession
0001308016-26-000002
Filed
2026-05-07
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, 209 entries on the cover page, a total value of $1,771,143,291 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,771,143,291 with VALUE read as dollars as filed, 13F file number 028-10973. 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
Applied Materials,Inc.038222105COM268,345$91,717,701dollars as filed
Microsoft Corp594918104COM224,809$83,217,749dollars as filed
Analog Devices,Inc.032654105COM248,177$78,955,031dollars as filed
General Electric Company369604301COM242,587$68,839,106dollars as filed
Raytheon Technologies Corporation75513E101COM337,142$65,034,692dollars as filed
JOHNSON CTLS INTL PLC SHSG51502105Stock481,569$63,061,461dollars as filed
Linde plcG54950103COM108,026$53,555,139dollars as filed
Berkshire Hathaway Inc084670702COM101,139$48,465,809dollars as filed
Chubb LimitedH1467J104COM147,754$48,157,481dollars as filed
CACI INTL INC CL A127190304Stock88,498$48,131,407dollars as filed
ALBEMARLE CORP012653101COM238,117$42,749,319dollars as filed
ILLINOIS TOOL WKS INC452308109COM163,248$42,492,023dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM124,683$35,853,863dollars as filed
PAYCHEX INC704326107COM386,178$35,574,741dollars as filed
AUTODESK INC COM052769106Stock146,122$34,981,607dollars as filed
AIR PRODS & CHEMS INC009158106COM111,061$32,262,329dollars as filed
Stryker Corporation863667101COM96,942$31,854,204dollars as filed
REGENERON PHARMACEUTICALS COM75886F107Stock36,415$28,135,740dollars as filed
SYNOPSYS INC COM871607107Stock68,365$27,105,355dollars as filed
VERISK ANALYTICS INC COM92345Y106Stock140,558$26,670,907dollars as filed
HEXCEL CORP NEW428291108COM326,543$26,427,161dollars as filed
Johnson & Johnson478160104COM107,398$26,252,471dollars as filed
TRIMBLE INC COM896239100Stock389,493$25,406,628dollars as filed
Apple Inc037833100COM95,697$24,287,172dollars as filed
GE HEALTHCARE TECHNOLOGIES INC COMMON STOCK36266G107Stock337,024$23,989,375dollars as filed
NOVARTIS AG SPONSORED ADR66987V109ADR156,906$23,967,392dollars as filed
TELEDYNE TECHNOLOGIES INC COM879360105Stock39,546$23,926,330dollars as filed
Chevron Corporation166764100COM115,506$23,898,242dollars as filed
Gilead Sciences,Inc.375558103COM163,600$22,800,932dollars as filed
SHELL PLC SPON ADS780259305ADR244,719$22,758,867dollars as filed
HORMEL FOODS CORP COM440452100Stock995,098$22,538,988dollars as filed
Walt Disney Co254687106COM224,475$21,634,915dollars as filed
Merck & Co.,Inc.58933Y105COM175,775$21,144,076dollars as filed
UNILEVER PLC SPON ADR NEW904767803ADR340,169$19,379,428dollars as filed
SANOFI SA SPONSORED ADR80105N105ADR387,230$18,656,741dollars as filed
EXXON MOBIL CORP30231G102COM105,125$17,835,656dollars as filed
PAYPALHLDGSINC70450Y103STOK385,899$17,454,229dollars as filed
Procter & Gamble Co742718109COM118,874$17,170,234dollars as filed
DIAGEO PLC SPON ADR NEW25243Q205ADR226,232$16,842,972dollars as filed
METTLER TOLEDO INTERNATIONAL COM592688105Stock13,257$16,719,728dollars as filed
PPG INDS INC COM693506107Stock149,892$16,020,457dollars as filed
AUTOZONE INC COM053332102Stock4,662$15,747,210dollars as filed
ROCKWELL AUTOMATION INC COM773903109Stock43,686$15,678,108dollars as filed
WEYERHAEUSER CO COM NEW962166104REIT635,372$15,522,138dollars as filed
DEVON ENERGY CORP NEW COM25179M103Stock304,957$15,345,436dollars as filed
BERKSHIRE HATHAWAY INC DEL084670108CL A15$10,772,100dollars as filed
LAMB WESTON HLDGS INC513272104COM252,083$10,653,058dollars as filed
COGNIZANT TECHNOLOGY SOLUTIONS CL A192446102Stock171,459$10,519,027dollars as filed
Vertex Pharmaceuticals Incorporated92532F100COM21,704$9,691,704dollars as filed
Thermo Fisher Scientific Inc.883556102COM19,451$9,561,022dollars as filed
CORNING INC219350105COM65,964$8,969,125dollars as filed
ECOLAB INC COM278865100Stock31,384$8,348,772dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM27,518$7,893,817dollars as filed
Medtronic PlcG5960L103COM76,460$6,625,259dollars as filed
JPMorgan Chase & Co46625H100COM20,744$6,102,055dollars as filed
SMITH A O CORP COM831865209Stock90,106$5,941,590dollars as filed
Mondelez International,Inc. Class A609207105COM91,178$5,255,500dollars as filed
Starbucks Corporation855244109COM57,907$5,187,888dollars as filed
NIKE,Inc. Class B654106103COM96,767$5,111,233dollars as filed
ConocoPhillips20825C104COM38,659$5,103,111dollars as filed
DOVER CORP COM260003108Stock23,107$4,816,654dollars as filed
Costco Wholesale Corporation22160K105COM4,778$4,760,943dollars as filed
GE Vernova Inc.36828A101COM5,153$4,498,054dollars as filed
MasterCard, Inc57636Q104COM8,980$4,486,947dollars as filed
American Express Company025816109COM13,386$4,048,997dollars as filed
USBANCORPDEL902973304COM NEW75,792$3,941,942dollars as filed
M & T BK CORP COM55261F104Stock18,566$3,837,964dollars as filed
TJX Companies Inc872540109COM23,643$3,775,787dollars as filed
VULCAN MATLS CO COM929160109Stock13,280$3,616,269dollars as filed
Coca-Cola Company191216100COM44,030$3,348,482dollars as filed
IONIS PHARMACEUTICALS INC COM462222100Stock37,326$2,802,809dollars as filed
Amgen Inc.031162100COM7,691$2,706,078dollars as filed
ALLSTATE CORP COM020002101Stock13,023$2,700,189dollars as filed
FASTENAL CO COM311900104Stock52,228$2,423,379dollars as filed
PepsiCo,Inc.713448108COM15,420$2,394,572dollars as filed
Danaher Corporation235851102COM12,620$2,392,752dollars as filed
Amazon.com, Inc023135106COM11,457$2,386,149dollars as filed
SPY78462F103SHS3,663$2,382,637dollars as filed
Vanguard FTSE All-World ex-US ETF922042775SHS31,282$2,349,278dollars as filed
NUTRIEN LTD COM67077M108Stock30,960$2,336,242dollars as filed
NEUROCRINE BIOSCIENCES INC64125C109COM16,462$2,168,704dollars as filed
ISHARES TR CORE S&P 500 ETF464287200SHS3,144$2,053,692dollars as filed
EMERSON ELEC CO COM291011104Stock15,095$1,977,747dollars as filed
INCYTE CORP COM45337C102Stock20,885$1,965,696dollars as filed
Vanguard S&P 500 ETF922908363COM3,211$1,918,733dollars as filed
Eli Lilly and Company532457108COM2,035$1,872,298dollars as filed
Adobe Inc00724F101COM7,358$1,788,583dollars as filed
COTERRA ENERGY INC COM127097103Stock50,104$1,760,655dollars as filed
COLGATE PALMOLIVE CO COM194162103Stock20,064$1,710,055dollars as filed
NVIDIA Corp67066G104COM9,770$1,703,888dollars as filed
Intuitive Surgical,Inc.46120E602COM3,696$1,703,819dollars as filed
VANGUARD INDEX FDS922908637LARGE CAP ETF5,630$1,682,526dollars as filed
ZIMMER BIOMET HOLDINGS INC COM98956P102Stock18,564$1,678,557dollars as filed
VANGUARD HEALTH CARE ETF92204A504ETF6,090$1,658,490dollars as filed
ISHARES RUSSELL 1000 ETF464287622ETF4,523$1,612,838dollars as filed
Honeywell Technologies438516106COM6,928$1,565,936dollars as filed
HUBBELL INC COM443510607Stock3,095$1,518,840dollars as filed
Abbott Laboratories002824100COM14,782$1,517,771dollars as filed
Home Depot, Inc437076102COM4,323$1,421,791dollars as filed
Pfizer Inc.717081103COM49,046$1,377,213dollars as filed
AbbVie,Inc.00287Y109COM6,153$1,338,216dollars as filed
Oracle Corporation68389X105COM8,618$1,267,794dollars as filed
Automatic Data Processing,Inc.053015103COM5,704$1,158,939dollars as filed
Philip Morris International Inc.718172109COM6,865$1,135,059dollars as filed
EXELIXIS INC COM30161Q104Stock26,439$1,133,969dollars as filed
INVESCO EXCHANGE-TRADED FD TR S&P 500 EQUAL WEIGHT ETF46137V357COM5,691$1,092,217dollars as filed
McDonalds Corporation580135101COM3,417$1,061,969dollars as filed
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock3,081$1,019,410dollars as filed
Visa Inc92826C839COM3,350$1,012,504dollars as filed
BIOMARIN PHARMACEUTICAL INC09061G101COM17,861$1,008,968dollars as filed
Eaton Corp. PlcG29183103COM2,806$1,003,622dollars as filed
GENMAB A/S372303206Ordinary Shares, nominal value DKK 1 per share37,163$997,083dollars as filed
Union Pacific Corporation907818108COM4,103$995,470dollars as filed
SPDR GOLD TR78463V107GOLD SHS2,254$969,874dollars as filed
Tesla Motors, Inc88160R101COM2,604$968,037dollars as filed
MAGNUM ICE CREAM CO NV ORD SHSN5505D105Stock64,630$966,219dollars as filed
iShares S&P 500 Growth ETF464287309SHS8,433$953,857dollars as filed
Walmart Inc.931142103COM7,244$900,284dollars as filed
Deere & Company244199105COM1,439$810,589dollars as filed
Vanguard FTSE Pacific ETF922042866SHS8,255$806,761dollars as filed
FREEPORT MCMORAN INC CL B35671D857Stock13,519$794,647dollars as filed
Vanguard Mid-Cap ETF922908629SHS2,686$771,653dollars as filed
Cisco Systems,Inc.17275R102COM9,742$755,882dollars as filed
Vanguard FTSE Developed Markets ETF921943858SHS11,442$733,263dollars as filed
FULLER H B CO COM359694106Stock11,824$729,304dollars as filed
BP PLC SPONSORED ADR055622104ADR15,431$725,257dollars as filed
VWO922042858SHS13,402$724,378dollars as filed
Vanguard Small-Cap ETF922908751SHS2,599$680,755dollars as filed
Bristol-Myers Squibb Company110122108COM10,826$656,597dollars as filed
EMCOR GROUP INC COM29084Q100Stock861$635,685dollars as filed
INTELLIA THERAPEUTICS INC45826J105COM48,430$620,873dollars as filed
ASTRAZENECA PLC ORDG0593M107ADR3,144$620,257dollars as filed
OREILLY AUTOMOTIVE INC COM67103H107Stock6,480$598,169dollars as filed
Broadcom Inc.11135F101COM1,914$592,402dollars as filed
NextEra Energy,Inc.65339F101COM6,270$582,358dollars as filed
ISHARES TR464287465MSCI EAFE ETF5,955$578,490dollars as filed
FEDEX CORP COM31428X106Stock1,623$578,080dollars as filed
Lam Research Corporation512807306COM2,650$566,199dollars as filed
International Business Machines Corporation459200101COM2,310$559,921dollars as filed
TARGET CORP COM87612E106Stock4,542$550,490dollars as filed
WATERS CORP COM941848103Stock1,834$546,165dollars as filed
ISHARES TR464288414NATIONAL MUN ETF5,115$542,957dollars as filed
AMETEK INC COM031100100Stock2,522$540,616dollars as filed
KINDER MORGAN INC DEL COM49456B101Stock15,939$534,451dollars as filed
Morgan Stanley617446448COM3,246$534,302dollars as filed
Caterpillar Inc.149123101COM745$527,803dollars as filed
KIMBERLY-CLARK CORP COM494368103Stock5,274$508,783dollars as filed
CAPITAL ONE FINL CORP14040H105COM2,739$499,767dollars as filed
CONSOLIDATED EDISON INC209115104COM4,349$492,250dollars as filed
Netflix, Inc64110L106COM4,993$480,077dollars as filed
META PLATFORMS INC CL A30303M102COM825$472,007dollars as filed
Lowes Companies,Inc.548661107COM1,994$471,142dollars as filed
iShares Russell 2000 ETF464287655SHS1,871$464,008dollars as filed
BLACK STONE MINERALS L P09225M101COM UNIT30,382$459,376dollars as filed
EOG RES INC COM26875P101Stock3,084$445,854dollars as filed
Schlumberger Limited806857108COM8,234$423,145dollars as filed
EQUINOR ASA SPONSORED ADR29446M102ADR10,000$422,000dollars as filed
WEST PHARMACEUTICAL SVSC INC COM955306105Stock1,667$417,817dollars as filed
Altria Group Inc02209S103COM6,048$399,108dollars as filed
ISHARES SHORT-TERM NATIONAL MUNI BOND ETF464288158ETF3,735$397,778dollars as filed
NRG ENERGY INC COM NEW629377508Stock2,716$396,916dollars as filed
iShares S&P 500 Value ETF464287408SHS1,848$390,205dollars as filed
iShares Core MSCI EAFE ETF46432F842SHS4,155$376,152dollars as filed
HERSHEY CO COM427866108Stock1,787$371,499dollars as filed
INVESCO QQQ TR46090E103COM628$362,482dollars as filed
Waste Management, Inc.94106L109COM1,475$338,940dollars as filed
NUCOR CORP COM670346105Stock1,995$337,355dollars as filed
Boeing Company097023105COM1,685$335,538dollars as filed
ISHARESRUSSELL1000GROWTHETF464287614STOK777$331,313dollars as filed
JACOBS SOLUTIONS INC COM46982L108Stock2,573$327,491dollars as filed
Duke Energy Corporation26441C204COM2,485$325,386dollars as filed
3M CO COM88579Y101Stock2,227$323,517dollars as filed
EBAY INC. COM278642103Stock3,552$323,303dollars as filed
IJH464287507COM4,740$320,092dollars as filed
DIMENSIONAL ETF TRUST25434V724US MKTWIDE VALUE6,583$319,012dollars as filed
NOVO-NORDISK A S ADR670100205ADR8,507$312,632dollars as filed
DIMENSIONAL ETF TRUST25434V708US CORE EQUITY 28,043$312,551dollars as filed
Salesforce.com, Inc79466L302COM1,669$311,552dollars as filed
American Tower Corporation03027X100COM1,802$310,989dollars as filed
Dimensional International Value ETF25434V807SHS5,856$309,080dollars as filed
BlackRock,Inc.09290D101COM319$306,785dollars as filed
BECTON DICKINSON & CO075887109COM1,904$299,366dollars as filed
Schwab U.S. Broad Market ETF808524102SHS11,764$295,276dollars as filed
MARATHON PETE CORP COM56585A102Stock1,190$290,574dollars as filed
AMPHENOL CORP NEW032095101COM2,256$285,046dollars as filed
OMNICOM GROUP INC COM681919106Stock3,675$276,764dollars as filed
iShares Russell Midcap ETF464287499SHS2,713$263,785dollars as filed
AT&T Inc00206R102COM9,063$262,760dollars as filed
Intel Corp458140100COM5,908$260,720dollars as filed
EQUINIX INC COM29444U700REIT262$256,823dollars as filed
DIMENSIONAL ETF TRUST25434V401US EQUI MARK ETF3,599$255,276dollars as filed
QNITY ELECTRONICS INC COMMON STOCK74743L100Stock2,181$251,759dollars as filed
CARRIER GLOBAL CORPORATION COM14448C104Stock4,228$238,079dollars as filed
Charles Schwab Corp808513105COM2,480$233,070dollars as filed
Booking Holdings Inc.09857L108COM54$227,357dollars as filed
VERALTO CORP COM SHS92338C103Stock2,466$218,044dollars as filed
BANK OF NY MELLON CORP COM064058100Stock1,788$212,110dollars as filed
ISHARES TR464287168COM1,399$211,823dollars as filed
iShares Core MSCI Emerging Markets ETF46434G103SHS3,032$211,482dollars as filed
IOVANCE BIOTHERAPEUTICS INC462260100COM60,180$211,232dollars as filed
MARKELGROUPINC570535104STOK110$210,548dollars as filed
Qualcomm Incorporated747525103COM1,629$209,783dollars as filed
PHILLIPS 66 COM718546104Stock1,147$208,960dollars as filed
CORTEVA INC COM22052L104Stock2,488$208,270dollars as filed
ROSS STORES INC COM778296103Stock948$205,365dollars as filed
Lockheed Martin Corporation539830109COM338$204,284dollars as filed
DUPONT DE NEMOURS INC COM26614N102Stock4,375$200,421dollars as filed
ELEDON PHARMACEUTICALS INC28617k101COM10,000$30,800dollars as filed
PDS BIOTECHNOLOGY CORP70465T107COM10,000$6,050dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001308016-26-000002this filing2026-05-07acceptance time not in the bulk data set