13F

Investor

GRANDFIELD & DODD, LLC

CIK 0001308016 · filed 2026-05-07 · SEC filing

13F book

$1.77B

Positions

209

12 new · 10 sold

Largest name

5.2%

Applied Matls Inc

Est. mark

$11.3M

Price effect on 197 names still held. Flow −$5.74M.
NameTickerSharesValueWeightEst. markChange
Applied Matls Inc268.3K$91.7M5.2%$22.8MCut$22.4M
Microsoft CorpMSFT224.8K$83.2M4.7%−$25.1MAdded−$23.7M
Analog Devices IncADI248.2K$79M4.5%$11.6MCut$11.3M
Ge Aerospace242.6K$68.8M3.9%−$5.88MCut−$7.63M
RTX CorpRTX337.1K$65M3.7%$3.2MCut$2.69M
Johnson Ctls Intl Plc481.6K$63.1M3.6%$5.39MCut$1.5M
Linde PlcLIN108K$53.6M3.0%$7.44MAdded$7.8M
Berkshire Hathaway Inc Del101.1K$48.5M2.7%−$2.35MAdded−$1.85M
Chubb Limited147.8K$48.2M2.7%$2.04MCut$1.27M
Caci Intl Inc88.5K$48.1M2.7%$963.7KAdded$1.7M
Albemarle Corp238.1K$42.7M2.4%$9.06MAdded$9.12M
Illinois Tool Wks Inc163.2K$42.5M2.4%$2.26MAdded$2.7M
Alphabet Inc124.7K$35.9M2.0%−$3.17MCut−$3.93M
Paychex IncPAYX386.2K$35.6M2.0%−$7.38MAdded−$5.69M
Autodesk, Inc.ADSK146.1K$35M2.0%−$7.99MAdded−$6.8M
Air Prods & Chems Inc111.1K$32.3M1.8%$4.74MAdded$5.34M
Stryker CorpSYK96.9K$31.9M1.8%−$2.2MAdded−$2.01M
Regeneron Pharmaceuticals, Inc.REGN36.4K$28.1M1.6%$28KCut−$90K
Synopsys IncSNPS68.4K$27.1M1.5%−$4.81MAdded−$3.76M
Verisk Analytics, Inc.VRSK140.6K$26.7M1.5%−$4.69MAdded−$4.23M
Hexcel Corp New326.5K$26.4M1.5%$2.3MCut$2.25M
Johnson & JohnsonJNJ107.4K$26.3M1.5%$4.02MAdded$4.07M
Trimble Inc.TRMB389.5K$25.4M1.4%−$5.03MAdded−$4.65M
Apple Inc.AAPL95.7K$24.3M1.4%−$1.73MCut−$1.77M
Ge Healthcare Technologies I337K$24M1.4%−$3.64MAdded−$3.52M
Novartis Ag156.9K$24M1.4%$2.31MAdded$2.55M
Teledyne Technologies IncTDY39.5K$23.9M1.4%$3.73MCut$3.58M
Chevron Corp NewCVX115.5K$23.9M1.3%$6.29MCut$6.25M
Gilead Sciences, Inc.GILD163.6K$22.8M1.3%$2.72MCut$1.69M
Shell Plc244.7K$22.8M1.3%$4.78MCut$4.64M
Hormel Foods Corp995.1K$22.5M1.3%−$1.01MAdded−$265.1K
Disney Walt Co224.5K$21.6M1.2%−$3.9MAdded−$3.86M
Merck & Co., Inc.MRK175.8K$21.1M1.2%$2.53MAdded$3.45M
Unilever Plc340.2K$19.4M1.1%−$2.87MCut−$3.06M
Sanofi Sa387.2K$18.7M1.1%−$106.8KAdded$175.8K
Exxon Mobil Corp105.1K$17.8M1.0%$5.18MCut$5.03M
Paypal Hldgs Inc385.9K$17.5M1.0%−$5.06MAdded−$4.99M
Procter And Gamble CoPG118.9K$17.2M1.0%$134.4KCut$134.1K
Diageo Plc226.2K$16.8M1.0%−$2.67MCut−$4.51M
Mettler Toledo International Inc/MTD13.3K$16.7M0.9%−$1.76MCut−$1.81M
Ppg Inds Inc149.9K$16M0.9%$644.4KAdded$1.08M
Autozone IncAZO4.66K$15.7M0.9%−$63.2KAdded$129.4K
Rockwell Automation, IncROK43.7K$15.7M0.9%−$1.32MCut−$1.85M
Weyerhaeuser Co Mtn BeWY635.4K$15.5M0.9%$462.6KAdded$712.5K
Devon Energy Corp New305K$15.3M0.9%$4.07MAdded$4.45M
Berkshire Hathaway Inc Del15$10.8M0.6%−$549.9KHeld
Lamb Weston Hldgs Inc252.1K$10.7M0.6%$79KAdded$1.71M
Cognizant Technology Solutio171.5K$10.5M0.6%−$3.68MAdded−$3.59M
Vertex Pharmaceuticals Inc21.7K$9.69M0.5%−$144.8KAdded$66.4K
Thermo Fisher Scientific Inc.TMO19.5K$9.56M0.5%−$1.71MCut−$1.73M
Corning Inc66K$8.97M0.5%$3.19MCut$2.88M
Ecolab Inc.ECL31.4K$8.35M0.5%$109.1KAdded$163.1K
Alphabet Inc27.5K$7.89M0.4%−$741.3KCut−$1.17M
Medtronic PlcMDT76.5K$6.63M0.4%−$707.2KAdded−$594.5K
Jpmorgan Chase & Co.20.7K$6.1M0.3%−$582.1KCut−$921.4K
Smith A O CorpAOS90.1K$5.94M0.3%−$25.1KAdded$4.16M
Mondelez Intl Inc91.2K$5.26M0.3%$337.3KAdded$489.4K
Starbucks CorpSBUX57.9K$5.19M0.3%$311.5KCut$249.5K
NIKE, Inc.NKE96.8K$5.11M0.3%−$970.3KAdded−$565.4K
ConocophillipsCOP38.7K$5.1M0.3%$1.47MAdded$1.51M
Dover CorpDOV23.1K$4.82M0.3%$305.2KHeld
Costco Whsl Corp New4.78K$4.76M0.3%$640.7KCut$604.5K
GE Vernova Inc.GEV5.15K$4.5M0.3%$1.13MCut$542K
Mastercard IncMA8.98K$4.49M0.3%−$639.6KCut−$736.6K
American Express CoAXP13.4K$4.05M0.2%−$896.4KAdded−$866.2K
Us Bancorp Del75.8K$3.94M0.2%−$102.3KCut−$118.3K
M & T Bk Corp18.6K$3.84M0.2%$97.3KCut$8.63K
Tjx Cos Inc New23.6K$3.78M0.2%$144KCut−$76.3K
Vulcan Matls Co13.3K$3.62M0.2%−$162.1KAdded$37.8K
Coca Cola CoKO44K$3.35M0.2%$270.3KHeld
Ionis Pharmaceuticals IncIONS37.3K$2.8M0.2%−$150.1KCut−$189.2K
Amgen IncAMGN7.69K$2.71M0.2%$188.7KCut$30K
Allstate Corp13K$2.7M0.2%−$10.4KAdded$30.2K
Fastenal CoFAST52.2K$2.42M0.1%$327.5KHeld
Pepsico IncPEP15.4K$2.39M0.1%$181.5KCut$115.5K
Danaher Corporation12.6K$2.39M0.1%−$496.2KCut−$501.9K
Amazon Com IncAMZN11.5K$2.39M0.1%−$258.4KCut−$287K
Spdr S&P 500 Etf Tr3.66K$2.38M0.1%−$115.7KCut−$222.8K
Vanguard Intl Equity Index F31.3K$2.35M0.1%$48.2KHeld
Nutrien Ltd.NTR31K$2.34M0.1%$425.4KHeld
Neurocrine Biosciences IncNBIX16.5K$2.17M0.1%−$166.1KCut−$189.8K
Ishares Tr3.14K$2.05M0.1%−$99.8KCut−$195.7K
Emerson Elec Co15.1K$1.98M0.1%−$25.7KCut−$58.8K
Incyte CorpINCY20.9K$1.97M0.1%−$97.1KCut−$117.7K
Vanguard Index Fds3.21K$1.92M0.1%−$95KCut−$226.7K
Eli Lilly & CoLLY2.04K$1.87M0.1%−$315.3KCut−$326.1K
Adobe Inc.ADBE7.36K$1.79M0.1%−$786.6KCut−$793.6K
Coterra Energy Inc50.1K$1.76M0.1%$441.9KHeld
Colgate Palmolive CoCL20.1K$1.71M0.1%$124.6KHeld
Nvidia CorpNVDA9.77K$1.7M0.1%−$118.2KCut−$130K
Intuitive Surgical IncISRG3.7K$1.7M0.1%−$389.4KCut−$418.9K
Vanguard Index Fds5.63K$1.68M0.1%−$89.8KHeld
Zimmer Biomet Holdings, Inc.ZBH18.6K$1.68M0.1%$9.28KCut−$305.7K
Vanguard World Fd6.09K$1.66M0.1%−$8.5KHeld
Ishares Tr4.52K$1.61M0.1%−$76.4KHeld
Honeywell Intl Inc6.93K$1.57M0.1%$214.4KCut$18.5K
Hubbell IncHUBB3.1K$1.52M0.1%$144.3KHeld
Abbott LabsABT14.8K$1.52M0.1%−$318.6KAdded−$246.7K
Home Depot, Inc.HD4.32K$1.42M0.1%−$65.8KCut−$66.1K
Pfizer IncPFE49K$1.38M0.1%$156KCut−$193.5K
AbbVie Inc.ABBV6.15K$1.34M0.1%−$61.4KAdded$61.9K
Oracle Corp8.62K$1.27M0.1%−$411.9KCut−$871.9K
Automatic Data Processing In5.7K$1.16M0.1%−$308.3KCut−$359.5K
Philip Morris Intl Inc6.87K$1.14M0.1%$33.9KCut$33.8K
Exelixis, Inc.EXEL26.4K$1.13M0.1%−$24.9KCut−$52.5K
Invesco Exchange Traded Fd T5.69K$1.09M0.1%$2.05KCut−$6.95K
Mcdonalds CorpMCD3.42K$1.06M0.1%$17.6KCut$15.5K
Alnylam Pharmaceuticals, Inc.ALNY3.08K$1.02M0.1%−$205.7KCut−$224.8K
Visa Inc.V3.35K$1.01M0.1%−$162.4KHeld
Biomarin Pharmaceutical IncBMRN17.9K$1.01M0.1%−$52.5KCut−$69.7K
Eaton Corp PlcETN2.81K$1M0.1%$109.9KHeld
Genmab A/S37.2K$997.1K0.1%−$147.5KCut−$176.3K
Union Pac Corp4.1K$995.5K0.1%$46.4KCut$12.8K
Spdr Gold Tr2.25K$969.9K0.1%$121.6KAdded$127.6K
Tesla, Inc.TSLA2.6K$968K0.1%−$201.4KAdded−$193.6K
Magnum Ice Cream Co Nv64.6K$966.2K0.1%New
Ishares Tr8.43K$953.9K0.1%−$85.6KHeld
Walmart Inc.WMT7.24K$900.3K0.1%$71.8KAdded$278.7K
Deere & CoDE1.44K$810.6K0.0%New
Vanguard Intl Equity Index F8.26K$806.8K0.0%$60.5KHeld
Freeport-Mcmoran IncFCX13.5K$794.6K0.0%$105.9KAdded$121.6K
Vanguard Index Fds2.69K$771.7K0.0%−$7.74KAdded$5.76K
Cisco Sys Inc9.74K$755.9K0.0%$5.46KCut−$11.9K
Vanguard Tax-Managed Fds11.4K$733.3K0.0%$18.3KAdded$24.2K
Fuller H B CoFUL11.8K$729.3K0.0%$26.2KHeld
Bp Plc15.4K$725.3K0.0%$154.7KAdded$287.5K
Vanguard Intl Equity Index F13.4K$724.4K0.0%$1.07KAdded$5.71K
Vanguard Index Fds2.6K$680.8K0.0%$10.3KHeld
Bristol-Myers Squibb Co10.8K$656.6K0.0%$67.5KAdded$114.1K
EMCOR Group, Inc.EME861$635.7K0.0%$108.9KHeld
Intellia Therapeutics, Inc.NTLA48.4K$620.9K0.0%$184.7KAdded$187.4K
Astrazeneca Plc OrdAZN3.14K$620.3K0.0%New
Oreilly Automotive Inc6.48K$598.2K0.0%$7.13KHeld
Broadcom Inc.AVGO1.91K$592.4K0.0%−$70KCut−$78K
Nextera Energy Inc6.27K$582.4K0.0%$79KHeld
Ishares Tr5.96K$578.5K0.0%$6.55KHeld
Fedex CorpFDX1.62K$578.1K0.0%$107.9KAdded$115K
Lam Research CorpLRCX2.65K$566.2K0.0%$112.6KHeld
International Business Machs2.31K$559.9K0.0%−$96.7KAdded$27.6K
Target CorpTGT4.54K$550.5K0.0%$78.4KAdded$223.8K
Waters Corp1.83K$546.2K0.0%−$129.7KAdded−$54.3K
Ishares Tr5.12K$543K0.0%−$4.91KHeld
Ametek Inc/AME2.52K$540.6K0.0%$16.6KAdded$164.3K
Kinder Morgan Inc Del15.9K$534.5K0.0%$96.3KHeld
Morgan Stanley3.25K$534.3K0.0%−$42.1KHeld
Caterpillar IncCAT745$527.8K0.0%$101KCut$58K
Kimberly Clark CorpKMB5.27K$508.8K0.0%−$23.3KCut−$136.7K
Capital One Finl Corp2.74K$499.8K0.0%−$164.2KCut−$166.1K
Consolidated Edison IncED4.35K$492.3K0.0%$60.3KHeld
Netflix IncNFLX4.99K$480.1K0.0%$11.9KCut−$34.9K
Meta Platforms, Inc.META825$472K0.0%−$72.6KHeld
Lowes Cos Inc1.99K$471.1K0.0%−$9.73KCut−$10.7K
Ishares Tr1.87K$464K0.0%$3.44KHeld
Black Stone Minerals, L.P.BSM30.4K$459.4K0.0%$55.6KHeld
Eog Res Inc3.08K$445.9K0.0%New
Slb Limited/NvSLB8.23K$423.1K0.0%$107.1KCut$60K
Equinor Asa10K$422K0.0%$185.7KHeld
West Pharmaceutical Svsc Inc1.67K$417.8K0.0%−$40.8KHeld
Altria Group, Inc.MO6.05K$399.1K0.0%$50.4KHeld
Ishares Tr3.73K$397.8K0.0%−$747Held
Nrg Energy, Inc.NRG2.72K$396.9K0.0%−$35.6KHeld
Ishares Tr1.85K$390.2K0.0%−$1.7KHeld
Ishares Tr4.16K$376.2K0.0%$4.45KHeld
Hershey CoHSY1.79K$371.5K0.0%$46.3KHeld
Invesco Qqq Tr628$362.5K0.0%−$23.3KHeld
Waste Mgmt Inc Del1.48K$338.9K0.0%$14.9KHeld
Nucor CorpNUE2K$337.4K0.0%New
Boeing Co1.69K$335.5K0.0%−$30.5KHeld
Ishares Tr777$331.3K0.0%−$36.4KHeld
Jacobs Solutions Inc.J2.57K$327.5K0.0%−$13.3KHeld
Duke Energy Corp New2.48K$325.4K0.0%$34.1KHeld
3M COMMM2.23K$323.5K0.0%−$33.1KCut−$53.1K
Ebay IncEBAY3.55K$323.3K0.0%$13.9KHeld
Ishares Tr4.74K$320.1K0.0%$7.16KAdded$11.2K
Dimensional Etf Trust6.58K$319K0.0%$12.3KHeld
Novo-Nordisk A S8.51K$312.6K0.0%−$120.2KCut−$121.5K
Dimensional Etf Trust8.04K$312.6K0.0%−$5.87KHeld
Salesforce, Inc.CRM1.67K$311.6K0.0%−$130.6KCut−$188.9K
American Tower Corp New1.8K$311K0.0%−$5.39KHeld
Dimensional Etf Trust5.86K$309.1K0.0%$16.9KHeld
BlackRock, Inc.BLK319$306.8K0.0%−$34.7KCut−$36.8K
Becton Dickinson & CoBDX1.9K$299.4K0.0%−$70.1KHeld
Schwab Strategic Tr11.8K$295.3K0.0%−$13.3KCut−$18.9K
Marathon Pete Corp1.19K$290.6K0.0%New
Amphenol Corp New2.26K$285K0.0%−$19.8KCut−$100.9K
Omnicom Group Inc.OMC3.67K$276.8K0.0%−$20KHeld
Ishares Tr2.71K$263.8K0.0%$2.6KHeld
At&T Inc9.06K$262.8K0.0%$37.6KHeld
Intel CorpINTC5.91K$260.7K0.0%$42.7KCut$35.3K
Equinix IncEQIX262$256.8K0.0%$56.1KHeld
Dimensional Etf Trust3.6K$255.3K0.0%−$11.7KHeld
Qnity Electronics, Inc.Q2.18K$251.8K0.0%New
CARRIER GLOBAL CorpCARR4.23K$238.1K0.0%$14.7KCut$9.02K
Schwab Charles Corp2.48K$233.1K0.0%−$14.7KCut−$15.3K
Booking Holdings Inc.BKNG54$227.4K0.0%−$61.8KHeld
Veralto CorpVLTO2.47K$218K0.0%−$28KCut−$28.2K
Bank New York Mellon Corp1.79K$212.1K0.0%$4.54KHeld
Ishares Tr1.4K$211.8K0.0%$14.4KCut−$56.2K
Ishares Inc3.03K$211.5K0.0%$7.67KHeld
Iovance Biotherapeutics, Inc.IOVA60.2K$211.2K0.0%$46.9KCut$31.2K
Markel Group Inc.MKL110$210.5K0.0%−$25.9KHeld
Qualcomm Inc1.63K$209.8K0.0%−$68.9KCut−$70.4K
Phillips 66PSX1.15K$209K0.0%New
Corteva, Inc.CTVA2.49K$208.3K0.0%New
Ross Stores, Inc.ROST948$205.4K0.0%New
Lockheed Martin CorpLMT338$204.3K0.0%$40.8KCut−$55.9K
DuPont de Nemours, Inc.DD4.38K$200.4K0.0%New
Eledon Pharmaceuticals, Inc.ELDN10K$30.8K0.0%New
Pds Biotechnology CorpPDSB10K$6.05K0.0%−$1.65KHeld

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.