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Chesley Taft & Associates LLC
Period ended Sep 30, 2026 · Latest filing Oct 13, 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: $2,558,837,177
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
- ALPHABET INC · CAP STK CL C · 02079K107 · shares: $139,404,937
- MICROSOFT CORP · COM · 594918104 · shares: $109,630,551
- NVIDIA CORPORATION · COM · 67066G104 · shares: $105,800,910
- APPLE INC · COM · 037833100 · shares: $92,896,912
- AMAZON COM INC · COM · 023135106 · shares: $83,907,491
- BROADCOM INC · COM · 11135F101 · shares: $74,111,977
- PALO ALTO NETWORKS INC · COM · 697435105 · shares: $62,438,856
- COSTCO WHOLESALE CORPORATION · COM · 22160K105 · shares: $59,127,494
- JPMORGAN CHASE & CO · COM · 46625H100 · shares: $55,826,570
- JOHNSON & JOHNSON · COM · 478160104 · shares: $55,155,667
Reported holdings
629 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 377,136 shares | $128,505,346 |
| MICROSOFT CORP | COM | 594918104 | — | 198,704 shares | $101,915,509 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 441,749 shares | $100,886,629 |
| APPLE INC | COM | 037833100 | — | 264,336 shares | $88,029,320 |
| AMAZON COM INC | COM | 023135106 | — | 310,222 shares | $77,291,811 |
| BROADCOM INC | COM | 11135F101 | — | 199,130 shares | $69,932,465 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 146,494 shares | $58,203,531 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 60,393 shares | $54,978,164 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 158,008 shares | $52,273,787 |
| JOHNSON & JOHNSON | COM | 478160104 | — | 186,955 shares | $49,494,467 |
| ISHARES TR | CORE MSCI TOTAL | 46432F834 | — | 521,011 shares | $49,490,835 |
| ISHARES TR | CORE S&P SCP ETF | 464287804 | — | 331,704 shares | $45,124,959 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | — | 54,806 shares | $41,796,687 |
| ISHARES TR | CORE S&P MCP ETF | 464287507 | — | 563,140 shares | $40,517,921 |
| VISA INC | COM CL A | 92826C839 | — | 110,345 shares | $39,650,269 |
| STRYKER CORPORATION | COM | 863667101 | — | 128,180 shares | $35,299,490 |
| SPDR GOLD TR | GOLD SHS | 78463V107 | — | 86,406 shares | $32,906,861 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 94,737 shares | $32,597,035 |
| AMPHENOL CORP | CL A | 032095101 | — | 369,010 shares | $31,107,543 |
| CHUBB LIMITED | COM | H1467J104 | — | 94,639 shares | $30,781,335 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | — | 40,333 shares | $27,226,792 |
| META PLATFORMS INC | CL A | 30303M102 | — | 34,694 shares | $25,159,395 |
| ABBOTT LABORATORIES | COM | 002824100 | — | 253,052 shares | $25,009,134 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 45,058 shares | $24,848,135 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 | — | 339,362 shares | $23,962,351 |
| AMERICAN EXPRESS CO | COM | 025816109 | — | 78,503 shares | $23,872,706 |
| ELI LILLY & CO | COM | 532457108 | — | 19,522 shares | $22,588,516 |
| COCA COLA CO | COM | 191216100 | — | 257,241 shares | $22,143,293 |
| ISHARES TR | CORE S&P500 ETF | 464287200 | — | 28,038 shares | $21,473,025 |
| VANGUARD INTL EQUITY INDEX F | ALLWRLD EX US | 922042775 | — | 247,754 shares | $20,556,149 |
| RTX CORPORATION | COM | 75513E101 | — | 108,973 shares | $20,230,837 |
| ORACLE CORP | COM | 68389X105 | — | 143,665 shares | $19,725,205 |
| CAPITAL ONE FINL CORP | COM | 14040H105 | — | 97,690 shares | $18,861,008 |
| PEPSICO INC | COM | 713448108 | — | 146,794 shares | $18,601,736 |
| ILLINOIS TOOL WKS INC | COM | 452308109 | — | 69,831 shares | $17,966,120 |
| SALESFORCE INC | COM | 79466L302 | — | 77,082 shares | $17,695,811 |
| WASTE MGMT INC DEL | COM | 94106L109 | — | 83,088 shares | $16,943,305 |
| AUTOZONE INC | COM | 053332102 | — | 5,808 shares | $16,436,756 |
| WELLS FARGO & CO | COM | 949746101 | — | 204,659 shares | $16,382,953 |
| ACCENTURE PLC IRELAND | SHS CLASS A | G1151C101 | — | 86,804 shares | $15,917,249 |
| CITIGROUP INC | COM NEW | 172967424 | — | 122,927 shares | $15,916,588 |
| DISNEY WALT CO | COM | 254687106 | — | 140,137 shares | $14,700,392 |
| J P MORGAN EXCHANGE TRADED F | ULTRA SHT MUNCPL | 46641Q654 | — | 290,515 shares | $14,688,438 |
| J P MORGAN EXCHANGE TRADED F | MUNICIPAL ETF | 46641Q647 | — | 303,085 shares | $14,420,784 |
| UNION PAC CORP | COM | 907818108 | — | 51,612 shares | $14,045,174 |
| HONEYWELL AEROSPACE INC | COM | 43849R105 | — | 83,134 shares | $12,883,276 |
| EQT CORP | COM | 26884L109 | — | 262,913 shares | $12,767,055 |
| ISHARES TR | NATIONAL MUN ETF | 464288414 | — | 123,451 shares | $12,480,896 |
| ISHARES TR | MSCI EAFE ETF | 464287465 | — | 117,603 shares | $12,217,776 |
| ASTRAZENECA PLC | ORD | G0593M107 | — | 75,281 shares | $12,155,623 |
| SELECT SECTOR SPDR TR | ST STR FINL ETF | 81369Y605 | — | 223,715 shares | $11,946,372 |
| CHEVRON CORPORATION | COM | 166764100 | — | 58,010 shares | $11,846,322 |
| VANGUARD INDEX FDS | MRNGSTR SML CAP | 922908751 | — | 38,394 shares | $10,922,709 |
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | — | 71,829 shares | $10,920,163 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 31,988 shares | $10,899,591 |
| ECOLAB INC | COM | 278865100 | — | 38,822 shares | $10,659,745 |
| NEXTERA ENERGY INC | COM | 65339F101 | — | 140,643 shares | $10,652,301 |
| VANGUARD INDEX FDS | MRNGSTR TTL STK | 922908769 | — | 27,889 shares | $10,437,179 |
| VANGUARD INDEX FDS | MRNGSTR MID CAP | 922908629 | — | 130,276 shares | $10,216,244 |
| ISHARES TR | FLTG RATE NT ETF | 46429B655 | — | 197,870 shares | $10,101,264 |
| HONEYWELL INTL INC | COM | 438516205 | — | 45,695 shares | $9,638,903 |
| STATE STR SPDR S&P MIDCAP 40 | UTSER1 S&PDCRP | 78467Y107 | — | 13,302 shares | $8,735,556 |
| WILLIS TOWERS WATSON PLC LTD | SHS | G96629103 | — | 30,260 shares | $8,721,840 |
| WW GRAINGER INC | COM | 384802104 | — | 6,861 shares | $8,547,159 |
| CHURCH & DWIGHT CO INC | COM | 171340102 | — | 86,636 shares | $8,162,844 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 | — | 22,171 shares | $8,138,531 |
| DANAHER CORP DEL | COM | 235851102 | — | 35,423 shares | $7,847,966 |
| ISHARES TR | CORE US AGGBD ET | 464287226 | — | 82,017 shares | $7,753,887 |
| HOME DEPOT INC | COM | 437076102 | — | 27,188 shares | $7,734,714 |
| MICROSOFT CORP | COM | 594918104 | — | 15,042 shares | $7,715,042 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 27,852 shares | $7,667,377 |
| MERCK & CO INC | COM | 58933Y105 | — | 51,723 shares | $7,515,869 |
| UBER TECHNOLOGIES INC | COM | 90353T100 | — | 107,602 shares | $7,371,813 |
| BLACKSTONE INC | COM | 09260D107 | — | 64,436 shares | $7,222,631 |
| DELL TECHNOLOGIES INC | CL C | 24703L202 | — | 13,096 shares | $7,044,993 |
| AMGEN INC | COM | 031162100 | — | 16,679 shares | $7,030,365 |
| CANADIAN IMPERIAL BANK OF CO | COM | 136069101 | — | 60,999 shares | $6,720,870 |
| AMAZON COM INC | COM | 023135106 | — | 26,553 shares | $6,615,680 |
| MICRON TECHNOLOGY INC | COM | 595112103 | — | 6,006 shares | $6,397,051 |
| ISHARES TR | SHRT NAT MUN ETF | 464288158 | — | 59,547 shares | $6,225,043 |
| GE VERNOVA INC | COM | 36828A101 | — | 6,466 shares | $6,145,868 |
| PROCTER & GAMBLE CO | COM | 742718109 | — | 41,099 shares | $5,970,840 |
| MCDONALDS CORP | COM | 580135101 | — | 25,387 shares | $5,862,874 |
| AIR PRODUCTS AND CHEMICALS I | COM | 009158106 | — | 20,883 shares | $5,810,277 |
| VANGUARD MUN BD FDS | TAX EXEMPT BD | 922907746 | — | 121,089 shares | $5,734,775 |
| JOHNSON & JOHNSON | COM | 478160104 | — | 21,384 shares | $5,661,200 |
| EATON CORP PLC | SHS | G29183103 | — | 13,048 shares | $5,606,856 |
| STARBUCKS CORP | COM | 855244109 | — | 58,434 shares | $5,490,459 |
| FIDELITY MERRIMACK STR TR | TOTAL BD ETF | 316188309 | — | 124,815 shares | $5,404,490 |
| PFIZER INC | COM | 717081103 | — | 183,659 shares | $5,237,955 |
| LINDE PLC | SHS | G54950103 | — | 10,878 shares | $5,163,243 |
| TRUIST FINL CORP | COM | 89832Q109 | — | 110,145 shares | $5,099,714 |
| SPDR GOLD TR | GOLD SHS | 78463V107 | — | 12,950 shares | $4,931,878 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 21,518 shares | $4,914,281 |
| EMERSON ELEC CO | COM | 291011104 | — | 31,531 shares | $4,890,458 |
| APPLE INC | COM | 037833100 | — | 14,617 shares | $4,867,592 |
| J P MORGAN EXCHANGE TRADED F | ULTRA SHRT ETF | 46641Q837 | — | 96,025 shares | $4,836,783 |
| ISHARES TR | CORE S&P SCP ETF | 464287804 | — | 35,074 shares | $4,771,467 |
| ABBVIE INC | COM | 00287Y109 | — | 18,162 shares | $4,750,998 |
| J P MORGAN EXCHANGE TRADED F | INCOME ETF | 46641Q159 | — | 105,659 shares | $4,743,033 |