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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) |
|---|---|---|---|---|---|
| VANGUARD INDEX FDS | MRNGSTR VAL ETF | 922908744 | — | 21,727 shares | $4,694,770 |
| MCKESSON CORP | COM | 58155Q103 | — | 5,480 shares | $4,678,879 |
| NETFLIX INC. | COM | 64110L106 | — | 66,875 shares | $4,653,163 |
| TJX COS INC NEW | COM | 872540109 | — | 35,013 shares | $4,632,570 |
| ISHARES TR | ISHARES BIOTECH | 464287556 | — | 21,907 shares | $4,612,005 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 | — | 64,228 shares | $4,505,594 |
| SPDR INDEX SHS FDS | ST STR ACWI ETF | 78463X848 | — | 110,824 shares | $4,478,398 |
| STATE STR SPDR S&P 500 ETF T | TR UNIT | 78462F103 | — | 5,843 shares | $4,456,047 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 | — | 31,210 shares | $4,449,610 |
| WELLTOWER INC | COM | 95040Q104 | — | 18,665 shares | $4,297,430 |
| BLACKROCK INC | COM | 09290D101 | — | 4,018 shares | $4,252,209 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 10,660 shares | $4,235,325 |
| AUTOMATIC DATA PROCESSING IN | COM | 053015103 | — | 16,228 shares | $4,187,798 |
| BROADCOM INC | COM | 11135F101 | — | 11,901 shares | $4,179,512 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 4,558 shares | $4,149,330 |
| FORTIVE CORP | COM | 34959J108 | — | 74,518 shares | $4,084,332 |
| ISHARES TR | ISHS 1-5YR INVS | 464288646 | — | 79,333 shares | $4,064,230 |
| SHERWIN WILLIAMS CO | COM | 824348106 | — | 12,535 shares | $4,052,189 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 | — | 67,904 shares | $4,027,386 |
| VISA INC | COM CL A | 92826C839 | — | 11,091 shares | $3,985,329 |
| CITIGROUP INC | COM NEW | 172967424 | — | 30,075 shares | $3,894,111 |
| T-MOBILE US INC | COM | 872590104 | — | 23,757 shares | $3,874,292 |
| TEXAS INSTRS INC | COM | 882508104 | — | 13,820 shares | $3,870,844 |
| VALERO ENERGY CORP | COM | 91913Y100 | — | 9,772 shares | $3,787,725 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 | — | 75,669 shares | $3,724,428 |
| ISHARES TR | ISHS 5-10YR INVT | 464288638 | — | 73,361 shares | $3,693,726 |
| VANGUARD BD INDEX FDS | VANGUARD ULTRA | 92203C303 | — | 73,465 shares | $3,640,191 |
| GE AEROSPACE | COM NEW | 369604301 | — | 11,509 shares | $3,594,146 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 10,739 shares | $3,552,783 |
| ISHARES TR | CORE MSCI EAFE | 46432F842 | — | 36,273 shares | $3,514,128 |
| NORTHERN TR CORP | COM | 665859104 | — | 20,717 shares | $3,508,631 |
| ISHARES TR | S&P 100 ETF | 464287101 | — | 139,121 shares | $3,494,604 |
| LOWES COS INC | COM | 548661107 | — | 18,558 shares | $3,420,054 |
| INTEL CORP | COM | 458140100 | — | 27,719 shares | $3,332,655 |
| CARLISLE COS INC | COM | 142339100 | — | 10,340 shares | $3,331,238 |
| VANGUARD INTL EQUITY INDEX F | FTSE EUROPE ETF | 922042874 | — | 37,645 shares | $3,267,586 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 5,760 shares | $3,176,467 |
| SELECT SECTOR SPDR TR | ST STR REAL ETF | 81369Y860 | — | 76,806 shares | $3,142,133 |
| RTX CORPORATION | COM | 75513E101 | — | 16,830 shares | $3,124,490 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 | — | 14,201 shares | $3,123,226 |
| CHUBB LIMITED | COM | H1467J104 | — | 9,575 shares | $3,114,269 |
| ISHARES TR | 0-5 YR TIPS ETF | 46429B747 | — | 31,041 shares | $3,094,788 |
| UNITED RENTALS INC | COM | 911363109 | — | 3,078 shares | $3,080,401 |
| APPLIED MATLS INC | COM | 038222105 | — | 6,011 shares | $3,073,905 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | — | 5,010 shares | $3,064,918 |
| QUALCOMM INC | COM | 747525103 | — | 15,937 shares | $2,933,045 |
| ABBOTT LABORATORIES | COM | 002824100 | — | 29,467 shares | $2,912,224 |
| ISHARES TR | RUS 1000 GRW ETF | 464287614 | — | 22,910 shares | $2,869,707 |
| PROGRESSIVE CORP | COM | 743315103 | — | 13,648 shares | $2,829,367 |
| ISHARES TR | CORE MSCI TOTAL | 46432F834 | — | 29,673 shares | $2,818,638 |
| ISHARES TR | CORE S&P MCP ETF | 464287507 | — | 38,487 shares | $2,769,140 |
| ISHARES TR | IBDS DEC28 ETF | 46435U515 | — | 109,882 shares | $2,742,655 |
| STRYKER CORPORATION | COM | 863667101 | — | 9,800 shares | $2,698,822 |
| FIRST SOLAR INC | COM | 336433107 | — | 15,187 shares | $2,660,155 |
| ISHARES TR | 3 7 YR TREAS BD | 464288661 | — | 23,387 shares | $2,653,021 |
| ASTRAZENECA PLC | ORD | G0593M107 | — | 16,080 shares | $2,596,438 |
| WEYERHAEUSER CO | COM NEW | 962166104 | — | 134,327 shares | $2,558,929 |
| CAPITAL ONE FINL CORP | COM | 14040H105 | — | 13,224 shares | $2,553,158 |
| VANGUARD INDEX FDS | S&P 500 ETF SHS | 922908363 | — | 3,590 shares | $2,516,224 |
| CISCO SYS INC | COM | 17275R102 | — | 23,264 shares | $2,503,938 |
| ISHARES INC | MSCI JAPAN ETF | 46434G822 | — | 25,238 shares | $2,459,695 |
| SCHWAB STRATEGIC TR | US LCAP GR ETF | 808524300 | — | 68,218 shares | $2,451,073 |
| METLIFE INC | COM | 59156R108 | — | 25,760 shares | $2,425,562 |
| ISHARES TR | CORE S&P500 ETF | 464287200 | — | 3,153 shares | $2,414,725 |
| ISHARES TR | 1 3 YR TREAS BD | 464287457 | — | 28,971 shares | $2,352,445 |
| ISHARES TR | IBONDS DEC 2031 | 46436E486 | — | 116,400 shares | $2,334,984 |
| AMERIPRISE FINL INC | COM | 03076C106 | — | 4,726 shares | $2,326,846 |
| ISHARES TR | IBONDS 27 ETF | 46435UAA9 | — | 95,746 shares | $2,309,394 |
| WASTE MGMT INC DEL | COM | 94106L109 | — | 11,265 shares | $2,297,159 |
| ISHARES TR | RUS MID CAP ETF | 464287499 | — | 21,308 shares | $2,273,777 |
| AUTOZONE INC | COM | 053332102 | — | 791 shares | $2,238,546 |
| AFLAC INC | COM | 001055102 | — | 19,860 shares | $2,219,951 |
| BLOOM ENERGY CORP | COM CL A | 093712107 | — | 8,006 shares | $2,217,502 |
| ISHARES TR | U.S. TECH ETF | 464287721 | — | 8,346 shares | $2,210,855 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 | — | 26,927 shares | $2,185,395 |
| THE CIGNA GROUP | COM | 125523100 | — | 8,006 shares | $2,176,271 |
| EDWARDS LIFESCIENCES CORP | COM | 28176E108 | — | 24,871 shares | $2,146,865 |
| HERSHEY CO | COM | 427866108 | — | 13,597 shares | $2,143,023 |
| HEALTHEQUITY INC | COM | 42226A107 | — | 23,421 shares | $2,071,822 |
| AMPHENOL CORP | CL A | 032095101 | — | 24,340 shares | $2,051,862 |
| CANADIAN PACIFIC KANSAS CITY | COM | 13646K108 | — | 22,841 shares | $1,943,769 |
| CHARLES SCHWAB CORP (THE) | COM | 808513105 | — | 19,886 shares | $1,943,658 |
| ULTA BEAUTY INC | COM | 90384S303 | — | 3,545 shares | $1,936,173 |
| VOYA FINANCIAL INC | COM | 929089100 | — | 20,235 shares | $1,911,803 |
| SCHWAB STRATEGIC TR | US BRD MKT ETF | 808524102 | — | 64,043 shares | $1,877,100 |
| KEYSIGHT TECHNOLOGIES INC | COM | 49338L103 | — | 5,136 shares | $1,869,709 |
| ISHARES TR | MSCI EAFE ETF | 464287465 | — | 17,825 shares | $1,851,839 |
| EQT CORP | COM | 26884L109 | — | 37,915 shares | $1,841,152 |
| SCHWAB STRATEGIC TR | US BRD MKT ETF | 808524102 | — | 62,000 shares | $1,817,220 |
| ISHARES TR | ULTRA SHORT DUR | 46434V878 | — | 34,554 shares | $1,741,522 |
| NEWMONT CORP | COM | 651639106 | — | 14,980 shares | $1,727,793 |
| TOAST INC | CL A | 888787108 | — | 59,540 shares | $1,726,065 |
| ISHARES TR | GLOBAL ENERG ETF | 464287341 | — | 28,372 shares | $1,616,353 |
| SELECT SECTOR SPDR TR | ST STR FINL ETF | 81369Y605 | — | 30,200 shares | $1,612,680 |
| ISHARES TR | RUSSELL 3000 ETF | 464287689 | — | 3,733 shares | $1,611,387 |
| BOOKING HOLDINGS INC | COM | 09857L108 | — | 9,775 shares | $1,592,445 |
| ISHARES TR | IBONDS DEC 2030 | 46436E726 | — | 75,000 shares | $1,585,500 |
| AGILENT TECHNOLOGIES INC | COM | 00846U101 | — | 9,186 shares | $1,582,840 |
| COGNIZANT TECHNOLOGY SOLUTIO | CL A | 192446102 | — | 27,390 shares | $1,573,282 |
| FERGUSON ENTERPRISES INC | COMMON STOCK NEW | 31488V107 | — | 7,021 shares | $1,563,015 |