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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) |
|---|---|---|---|---|---|
| ISHARES TR | MSCI EMG MKT ETF | 464287234 | — | 9,586 shares | $640,249 |
| VANGUARD INDEX FDS | EXTEND MKT ETF | 922908652 | — | 2,764 shares | $640,207 |
| VANGUARD INDEX FDS | MRNGSTR MID CAP | 922908629 | — | 8,135 shares | $637,947 |
| VANGUARD INDEX FDS | MRNGSTR SML CAP | 922908751 | — | 2,225 shares | $632,990 |
| PROCTER & GAMBLE CO | COM | 742718109 | — | 4,332 shares | $629,353 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 | — | 7,388 shares | $627,684 |
| L3HARRIS TECHNOLOGIES INC | COM | 502431109 | — | 2,637 shares | $624,389 |
| WALMART INC | COM | 931142103 | — | 5,992 shares | $622,689 |
| INTUIT | COM | 461202103 | — | 2,252 shares | $620,899 |
| TARGA RES CORP | COM | 87612G101 | — | 2,287 shares | $618,199 |
| SNOWFLAKE INC | COM SHS | 833445109 | — | 1,820 shares | $617,999 |
| SCHWAB STRATEGIC TR | US SML CAP ETF | 808524607 | — | 18,874 shares | $615,864 |
| APOLLO GLOBAL MGMT INC | COM | 03769M106 | — | 5,218 shares | $605,601 |
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | — | 3,965 shares | $602,799 |
| AMERICAN INTL GROUP INC | COM NEW | 026874784 | — | 8,072 shares | $600,718 |
| DEERE & CO | COM | 244199105 | — | 891 shares | $598,351 |
| COCA COLA CO | COM | 191216100 | — | 6,905 shares | $594,382 |
| GENERAC HLDGS INC | COM | 368736104 | — | 2,858 shares | $591,463 |
| ISHARES INC | JP MORGAN EM ETF | 464286517 | — | 13,990 shares | $591,078 |
| ISHARES TR | IBONDS 27 TRM TS | 46436E841 | — | 26,400 shares | $589,248 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 | — | 1,107 shares | $578,751 |
| CONSTELLATION ENERGY CORP | COM | 21037T109 | — | 2,230 shares | $566,505 |
| SALESFORCE INC | COM | 79466L302 | — | 2,463 shares | $565,431 |
| MERCK & CO INC | COM | 58933Y105 | — | 3,890 shares | $565,256 |
| ECOLAB INC | COM | 278865100 | — | 1,989 shares | $546,140 |
| ALLSTATE CORP | COM | 020002101 | — | 2,454 shares | $544,444 |
| CHEVRON CORPORATION | COM | 166764100 | — | 2,645 shares | $540,135 |
| BAKER HUGHES COMPANY | CL A | 05722G100 | — | 9,837 shares | $540,051 |
| PAYCHEX INC | COM | 704326107 | — | 5,449 shares | $536,727 |
| J P MORGAN EXCHANGE TRADED F | ULTRA SHT MUNCPL | 46641Q654 | — | 10,600 shares | $535,936 |
| CSX CORP | COM | 126408103 | — | 11,500 shares | $534,865 |
| VANGUARD SCOTTSDALE FDS | SHORT TERM TREAS | 92206C102 | — | 9,205 shares | $529,844 |
| DARDEN RESTAURANTS INC | COM | 237194105 | — | 2,726 shares | $526,800 |
| AMGEN INC | COM | 031162100 | — | 1,245 shares | $524,780 |
| SCHWAB STRATEGIC TR | INTL SCEQT ETF | 808524888 | — | 10,296 shares | $512,123 |
| STATE STR SPDR DOW JONES IND | UT SER 1 | 78467X109 | — | 1,000 shares | $508,550 |
| FREEPORT MCMORAN INC | CL B | 35671D857 | — | 7,016 shares | $491,120 |
| UNITED RENTALS INC | COM | 911363109 | — | 488 shares | $488,381 |
| EVEREST GROUP LTD | COM | G3223R108 | — | 1,334 shares | $487,137 |
| CATERPILLAR INC | COM | 149123101 | — | 600 shares | $486,474 |
| ACCENTURE PLC IRELAND | SHS CLASS A | G1151C101 | — | 2,643 shares | $484,647 |
| EXPAND ENERGY CORPORATION | COM | 165167735 | — | 5,709 shares | $480,070 |
| NORTHERN TR CORP | COM | 665859104 | — | 2,811 shares | $476,071 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 | — | 23,786 shares | $470,249 |
| DEERE & CO | COM | 244199105 | — | 700 shares | $470,085 |
| MARSH & MCLENNAN COS INC | COM | 571748102 | — | 2,752 shares | $469,849 |
| GE VERNOVA INC | COM | 36828A101 | — | 493 shares | $468,592 |
| INTERNATIONAL PAPER CO | COM | 460146103 | — | 14,103 shares | $467,797 |
| DANAHER CORP DEL | COM | 235851102 | — | 2,110 shares | $467,471 |
| SPACE EXPLORATION TECHN CORP | CLASS A COM STK | 84615Q103 | — | 3,091 shares | $466,308 |
| VANGUARD WORLD FD | ESG INTL STK ETF | 921910725 | — | 5,751 shares | $466,238 |
| JACOBS SOLUTIONS INC | COM | 46982L108 | — | 3,445 shares | $466,005 |
| FIDELITY NATL FINL INC | COM SHS | 31620R303 | — | 12,025 shares | $464,766 |
| SELECT SECTOR SPDR TR | ST STR TECHN ETF | 81369Y803 | — | 2,360 shares | $461,970 |
| EQUITABLE HLDGS INC | COM | 29452E101 | — | 8,989 shares | $460,866 |
| NEWMONT CORP | COM | 651639106 | — | 3,986 shares | $459,745 |
| CONOCOPHILLIPS | COM | 20825C104 | — | 3,671 shares | $459,426 |
| FIDELITY NATL INFORMATION SV | COM | 31620M106 | — | 13,810 shares | $454,349 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 | — | 7,640 shares | $453,128 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 | — | 2,056 shares | $452,176 |
| WEC ENERGY GROUP INC | COM | 92939U106 | — | 4,458 shares | $449,277 |
| ISHARES GOLD TR | ISHARES NEW | 464285204 | — | 5,750 shares | $449,075 |
| SCHWAB STRATEGIC TR | INTL EQTY ETF | 808524805 | — | 16,147 shares | $443,557 |
| HA SUSTAINABLE INFRA CAP INC | COM | 41068X100 | — | 12,260 shares | $439,153 |
| EATON CORP PLC | SHS | G29183103 | — | 1,015 shares | $436,156 |
| UNION PAC CORP | COM | 907818108 | — | 1,590 shares | $432,687 |
| VERTIV HOLDINGS CO | COM CL A | 92537N108 | — | 1,788 shares | $431,462 |
| LINDE PLC | SHS | G54950103 | — | 907 shares | $430,508 |
| CRANE COMPANY | COMMON STOCK | 224408104 | — | 2,105 shares | $429,462 |
| ISHARES TR | IBONDS 28 TRM TS | 46436E833 | — | 19,400 shares | $425,054 |
| VANGUARD INTL EQUITY INDEX F | FTSE EUROPE ETF | 922042874 | — | 4,875 shares | $423,150 |
| GLOBAL PMTS INC | COM | 37940X102 | — | 5,165 shares | $421,826 |
| CANADIAN NATL RY CO | COM | 136375102 | — | 3,540 shares | $420,906 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 | — | 8,500 shares | $418,370 |
| NRG ENERGY INC | COM NEW | 629377508 | — | 4,346 shares | $415,695 |
| BLACKROCK INC | COM | 09290D101 | — | 390 shares | $412,733 |
| MOHAWK INDS INC | COM | 608190104 | — | 3,290 shares | $410,329 |
| PROGRESS SOFTWARE CORP | COM | 743312100 | — | 10,150 shares | $405,696 |
| SCHWAB STRATEGIC TR | US LCAP VA ETF | 808524409 | — | 12,130 shares | $404,050 |
| FEDEX CORP | COM | 31428X106 | — | 1,406 shares | $400,837 |
| BECTON DICKINSON & CO | COM | 075887109 | — | 2,206 shares | $394,874 |
| VANECK ETF TRUST | SEMICONDUCTR ETF | 92189F676 | — | 647 shares | $394,023 |
| SCHWAB STRATEGIC TR | US AGGREGATE B | 808524839 | — | 17,719 shares | $391,589 |
| GE AEROSPACE | COM NEW | 369604301 | — | 1,250 shares | $390,363 |
| NUCOR CORP | COM | 670346105 | — | 1,663 shares | $388,726 |
| ISHARES TR | HDG MSCI JAPAN | 46434V886 | — | 5,937 shares | $387,508 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 1,400 shares | $385,406 |
| ISHARES TR | GL CLEAN ENE ETF | 464288224 | — | 22,501 shares | $382,517 |
| LUMENTUM HLDGS INC | COM | 55024U109 | — | 393 shares | $381,705 |
| ISHARES TR | HDG MSCI EAFE | 46434V803 | — | 8,214 shares | $381,047 |
| VANGUARD WORLD FD | HEALTH CAR ETF | 92204A504 | — | 1,195 shares | $377,716 |
| ISHARES TR | ISHARES BIOTECH | 464287556 | — | 1,750 shares | $368,428 |
| VANGUARD INTL EQUITY INDEX F | FTSE PACIFIC ETF | 922042866 | — | 3,164 shares | $366,423 |
| SOLSTICE ADVANCED MATLS INC | COM SHS | 83443Q103 | — | 6,411 shares | $361,068 |
| ORACLE CORP | COM | 68389X105 | — | 2,600 shares | $356,980 |
| STARBUCKS CORP | COM | 855244109 | — | 3,785 shares | $355,639 |
| ISHARES TR | MSCI ACWI ETF | 464288257 | — | 2,220 shares | $352,458 |
| PRINCIPAL FINANCIAL GROUP IN | COM | 74251V102 | — | 3,132 shares | $350,659 |
| NEXTERA ENERGY INC | COM | 65339F101 | — | 4,620 shares | $349,919 |
| ISHARES INC | MSCI JAPAN ETF | 46434G822 | — | 3,574 shares | $348,322 |