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GRANDFIELD & DODD, LLC
Period ended Sep 30, 2026 · Latest filing Oct 29, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $1,874,849,680
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- APPLIED MATLS INC · COM · 038222105 · shares: $123,563,377
- MICROSOFT CORP · COM · 594918104 · shares: $115,435,199
- ANALOG DEVICES INC · COM · 032654105 · shares: $90,247,558
- GE AEROSPACE · COM NEW · 369604301 · shares: $69,587,055
- JOHNSON CONTROLS INTERNATION · SHS · G51502105 · shares: $61,634,898
- RTX CORPORATION · COM · 75513E101 · shares: $60,888,744
- CACI INTL INC · CL A · 127190304 · shares: $53,237,432
- LINDE PLC · SHS · G54950103 · shares: $50,635,508
- BERKSHIRE HATHAWAY INC DEL · CL B NEW · 084670702 · shares: $50,257,596
- CHUBB LIMITED · COM · H1467J104 · shares: $46,625,622
Reported holdings
216 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| APPLIED MATLS INC | COM | 038222105 | — | 241,627 shares | $123,563,377 |
| MICROSOFT CORP | COM | 594918104 | — | 225,063 shares | $115,435,199 |
| ANALOG DEVICES INC | COM | 032654105 | — | 227,490 shares | $90,247,558 |
| GE AEROSPACE | COM NEW | 369604301 | — | 222,828 shares | $69,587,055 |
| JOHNSON CONTROLS INTERNATION | SHS | G51502105 | — | 414,631 shares | $61,634,898 |
| RTX CORPORATION | COM | 75513E101 | — | 327,976 shares | $60,888,744 |
| CACI INTL INC | CL A | 127190304 | — | 87,402 shares | $53,237,432 |
| LINDE PLC | SHS | G54950103 | — | 106,679 shares | $50,635,508 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 100,929 shares | $50,257,596 |
| CHUBB LIMITED | COM | H1467J104 | — | 143,353 shares | $46,625,622 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 121,365 shares | $41,759,314 |
| ILLINOIS TOOL WKS INC | COM | 452308109 | — | 162,034 shares | $41,688,306 |
| PAYCHEX INC | COM | 704326107 | — | 420,273 shares | $41,396,970 |
| SYNOPSYS INC | COM | 871607107 | — | 74,648 shares | $32,467,401 |
| APPLE INC | COM | 037833100 | — | 96,629 shares | $32,179,443 |
| AUTODESK INC | COM | 052769106 | — | 152,450 shares | $31,862,050 |
| AIR PRODUCTS AND CHEMICALS I | COM | 009158106 | — | 110,064 shares | $30,623,316 |
| REGENERON PHARMACEUTICALS | COM | 75886F107 | — | 37,098 shares | $28,130,375 |
| JOHNSON & JOHNSON | COM | 478160104 | — | 105,751 shares | $27,996,632 |
| HEXCEL CORP NEW | COM | 428291108 | — | 330,077 shares | $27,700,130 |
| STRYKER CORPORATION | COM | 863667101 | — | 98,086 shares | $27,012,011 |
| VERISK ANALYTICS INC | COM | 92345Y106 | — | 154,328 shares | $25,904,008 |
| MERCK & CO INC | COM | 58933Y105 | — | 170,824 shares | $24,822,558 |
| ALBEMARLE CORP | COM | 012653101 | — | 233,291 shares | $24,677,624 |
| TELEDYNE TECHNOLOGIES INC | COM | 879360105 | — | 39,794 shares | $24,148,004 |
| CHEVRON CORPORATION | COM | 166764100 | — | 116,426 shares | $23,775,496 |
| DISNEY WALT CO | COM | 254687106 | — | 225,814 shares | $23,687,891 |
| SHELL PLC | SPON ADS | 780259305 | — | 244,727 shares | $23,261,301 |
| GILEAD SCIENCES INC | COM | 375558103 | — | 152,837 shares | $22,780,355 |
| TRIMBLE INC | COM | 896239100 | — | 398,551 shares | $22,761,248 |
| GE HEALTHCARE TECHNOLOGIES I | COMMON STOCK | 36266G107 | — | 335,368 shares | $21,923,019 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 | — | 153,313 shares | $21,857,834 |
| METTLER TOLEDO INTERNATIONAL | COM | 592688105 | — | 14,149 shares | $21,378,432 |
| UNILEVER PLC | SPON ADR NEW | 904767803 | — | 335,587 shares | $20,380,238 |
| HORMEL FOODS CORP | COM | 440452100 | — | 995,031 shares | $19,840,934 |
| PAYPAL HLDGS INC | COM | 70450Y103 | — | 367,656 shares | $19,313,011 |
| ROCKWELL AUTOMATION INC | COM | 773903109 | — | 42,298 shares | $18,413,765 |
| BOEING CO | COM | 097023105 | — | 93,327 shares | $17,363,650 |
| PROCTER & GAMBLE CO | COM | 742718109 | — | 119,359 shares | $17,340,506 |
| PPG INDS INC | COM | 693506107 | — | 162,171 shares | $16,919,300 |
| EXXONMOBIL HOLDINGS CORP | COM SHS | 30233Q108 | — | 102,762 shares | $16,724,649 |
| DEVON ENERGY CORP NEW | COM | 25179M103 | — | 356,690 shares | $16,422,008 |
| SANOFI SA | SPONSORED ADR | 80105N105 | — | 385,082 shares | $15,876,931 |
| AUTOZONE INC | COM | 053332102 | — | 5,222 shares | $14,778,364 |
| SMITH A O CORP | COM | 831865209 | — | 253,455 shares | $14,287,258 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 | — | 25,689 shares | $13,430,466 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | — | 19,224 shares | $12,977,535 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | — | 17 shares | $12,699,085 |
| WEYERHAEUSER CO | COM NEW | 962166104 | — | 631,188 shares | $12,024,131 |
| LAMB WESTON HLDGS INC | COM | 513272104 | — | 283,416 shares | $11,815,643 |
| COGNIZANT TECHNOLOGY SOLUTIO | CL A | 192446102 | — | 161,041 shares | $9,250,248 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 27,147 shares | $9,250,073 |
| DIAGEO PLC | SPON ADR NEW | 25243Q205 | — | 107,867 shares | $9,233,415 |
| ECOLAB INC | COM | 278865100 | — | 29,375 shares | $8,065,788 |
| CORNING INC | COM | 219350105 | — | 50,176 shares | $7,715,062 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 20,097 shares | $6,648,691 |
| MEDTRONIC PLC | SHS | G5960L103 | — | 65,661 shares | $5,665,888 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 9,053 shares | $4,992,458 |
| CONOCOPHILLIPS | COM | 20825C104 | — | 39,113 shares | $4,895,108 |
| GE VERNOVA INC | COM | 36828A101 | — | 5,124 shares | $4,870,311 |
| MONDELEZ INTL INC | CL A | 609207105 | — | 78,579 shares | $4,543,438 |
| STARBUCKS CORP | COM | 855244109 | — | 47,573 shares | $4,469,959 |
| DOVER CORP | COM | 260003108 | — | 23,082 shares | $4,317,488 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 4,569 shares | $4,159,343 |
| US BANCORP | COM NEW | 902973304 | — | 71,792 shares | $4,146,706 |
| NIKE INC | CL B | 654106103 | — | 112,337 shares | $3,976,730 |
| COCA COLA CO | COM | 191216100 | — | 43,982 shares | $3,785,971 |
| M & T BK CORP | COM | 55261F104 | — | 17,316 shares | $3,767,962 |
| AMERICAN EXPRESS CO | COM | 025816109 | — | 12,035 shares | $3,659,844 |
| VULCAN MATLS CO | COM | 929160109 | — | 14,557 shares | $3,561,191 |
| AMGEN INC | COM | 031162100 | — | 7,243 shares | $3,052,997 |
| TJX COS INC NEW | COM | 872540109 | — | 22,900 shares | $3,029,899 |
| DANAHER CORP DEL | COM | 235851102 | — | 12,620 shares | $2,795,961 |
| AMAZON COM INC | COM | 023135106 | — | 11,032 shares | $2,748,623 |
| ALLSTATE CORP | COM | 020002101 | — | 12,032 shares | $2,669,420 |
| FASTENAL CO | COM | 311900104 | — | 52,228 shares | $2,586,853 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | — | 3,349 shares | $2,554,566 |
| INCYTE CORP | COM | 45337C102 | — | 20,980 shares | $2,545,923 |
| NEUROCRINE BIOSCIENCES INC | COM | 64125C109 | — | 16,649 shares | $2,361,494 |
| EMERSON ELEC CO | COM | 291011104 | — | 15,095 shares | $2,341,235 |
| ISHARES TR | CORE S&P500 ETF | 464287200 | — | 3,030 shares | $2,320,526 |
| ELI LILLY & CO | COM | 532457108 | — | 1,912 shares | $2,213,049 |
| CARLISLE COS INC | COM | 142339100 | — | 6,797 shares | $2,189,789 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 9,526 shares | $2,175,548 |
| NUTRIEN LTD | COM | 67077M108 | — | 30,960 shares | $2,174,940 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 | — | 24,220 shares | $2,009,533 |
| PEPSICO INC | COM | 713448108 | — | 15,465 shares | $1,959,725 |
| VANGUARD WORLD FD | HEALTH CAR ETF | 92204A504 | — | 6,090 shares | $1,924,928 |
| VERALTO CORP | COM SHS | 92338C103 | — | 20,392 shares | $1,923,373 |
| ISHARES TR | RUS 1000 ETF | 464287622 | — | 4,523 shares | $1,882,293 |
| VANGUARD INDEX FDS | S&P 500 ETF SHS | 922908363 | — | 2,611 shares | $1,829,945 |
| ZIMMER BIOMET HOLDINGS INC | COM | 98956P102 | — | 20,823 shares | $1,818,091 |
| ADOBE INC | COM | 00724F101 | — | 7,237 shares | $1,736,446 |
| COLGATE PALMOLIVE CO | COM | 194162103 | — | 19,914 shares | $1,699,062 |
| IONIS PHARMACEUTICALS INC | COM | 462222100 | — | 37,396 shares | $1,669,731 |
| EXELIXIS INC | COM | 30161Q104 | — | 27,029 shares | $1,578,764 |
| PHILIP MORRIS INTL INC | COM | 718172109 | — | 7,907 shares | $1,508,814 |
| ABBVIE INC | COM | 00287Y109 | — | 5,744 shares | $1,502,573 |
| AUTOMATIC DATA PROCESSING IN | COM | 053015103 | — | 5,704 shares | $1,471,974 |
| ABBOTT LABORATORIES | COM | 002824100 | — | 14,820 shares | $1,464,759 |