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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) |
|---|---|---|---|---|---|
| AES CORP | COM | 00130H105 | — | 985 shares | $14,677 |
| MARVELL TECHNOLOGY INC | COM | 573874104 | — | 55 shares | $14,532 |
| ISHARES TR | GLOBAL ENERG ETF | 464287341 | — | 250 shares | $14,243 |
| ISHARES TR | HDG MSCI JAPAN | 46434V886 | — | 180 shares | $11,749 |
| ALLSTATE CORP | COM | 020002101 | — | 50 shares | $11,093 |
| ALCON AG | ORD SHS | H01301128 | — | 170 shares | $11,008 |
| BORGWARNER INC | COM | 099724106 | — | 180 shares | $10,820 |
| L3HARRIS TECHNOLOGIES INC | COM | 502431109 | — | 40 shares | $9,471 |
| GEN DIGITAL INC | COM | 668771108 | — | 427 shares | $9,403 |
| CRANE COMPANY | COMMON STOCK | 224408104 | — | 37 shares | $7,549 |
| HA SUSTAINABLE INFRA CAP INC | COM | 41068X100 | — | 207 shares | $7,415 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 | — | 100 shares | $7,015 |
| WALMART INC | COM | 931142103 | — | 66 shares | $6,859 |
| MOHAWK INDS INC | COM | 608190104 | — | 38 shares | $4,739 |
| VANGUARD INDEX FDS | EXTEND MKT ETF | 922908652 | — | 20 shares | $4,633 |
| FIRST SOLAR INC | COM | 336433107 | — | 23 shares | $4,029 |
| FLEX LTD | ORD | Y2573F102 | — | 34 shares | $3,740 |
| SCHWAB STRATEGIC TR | US MID-CAP ETF | 808524508 | — | 105 shares | $3,572 |
| BUNGE GLOBAL SA | COM SHS | H11356104 | — | 29 shares | $3,102 |
| PROGRESS SOFTWARE CORP | COM | 743312100 | — | 61 shares | $2,438 |
| EXPAND ENERGY CORPORATION | COM | 165167735 | — | 28 shares | $2,355 |
| ISHARES TR | ULTRA SHORT DUR | 46434V878 | — | 46 shares | $2,318 |
| TECK RESOURCES LTD | CL B | 878742204 | — | 28 shares | $1,842 |
| GOLDMAN SACHS GROUP INC | COM | 38141G104 | — | 2 shares | $1,801 |
| MASCO CORP | COM | 574599106 | — | 26 shares | $1,752 |
| CONSTELLATION ENERGY CORP | COM | 21037T109 | — | 6 shares | $1,524 |
| MATCH GROUP INC NEW | COM | 57667L107 | — | 35 shares | $1,405 |
| NUCOR CORP | COM | 670346105 | — | 5 shares | $1,169 |
| VICI PPTYS INC | COM | 925652109 | — | 46 shares | $1,057 |