Chesley Taft & Associates LLC holds a diversified book of 369 reported positions worth $2.6B as of Q2 2026 (disclosed Jul 8, 2026, a ~8-day 13F lag). This quarter they opened Advanced Micro Devices and trimmed Alphabet Inc-CL C. Their largest long position is Alphabet Inc-CL C at 6% of the reported non-option book.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
78% mapped to company sectors
+5 sectors below the cut, 5% together
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Chesley Taft & Associates LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Donor Advised Charitable Giving, Inc. | 13 / 80 | $4.5B |
| Evelyn Partners Group Ltd | 60 / 80 | $44.7B |
| Swiss Re Ltd | 52 / 80 | $1.0B |
| Hoffman, Alan N Investment Management | 8 / 80 | $160.9M |
| Draper Asset Management, LLC | 10 / 80 | $171.3M |
| Emerald Advisors, LLC | 37 / 80 | $656.7M |
| Mogy Joel R Investment Counsel Inc | 42 / 80 | $1.4B |
| Hoey Investments, Inc | 54 / 80 | $631.4M |
Ranked by the share of each fund's own book sitting in the names it shares with Chesley Taft & Associates LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Alphabet Inc CAP STK CL C | $147.9M | 418.4K | 5.8% | ▼−1.8% Reduced · −8K sh | |
| 2 | Nvidia Corporation COM | $93.0M | 464.7K | 3.6% | ▼−1.8% Reduced · −8K sh | |
| 3 | Apple Inc COM | $82.3M | 284.3K | 3.2% | ▼~0% Reduced · −44 sh | |
| 4 | Amazon Com Inc COM | $81.0M | 340.0K | 3.2% | ▲+0.1% Added · +358 sh | |
| 5 | Microsoft Corp COM | $81.0M | 217.2K | 3.2% | ▼−8.8% Reduced · −21K sh | |
| 6 | Broadcom Inc COM | $80.4M | 213.0K | 3.1% | ▼−2.5% Reduced · −5K sh | |
| 7 | Palo Alto Networks Inc COM | $62.1M | 182.1K | 2.4% | ▼−5.4% Reduced · −10K sh | |
| 8 | Costco Wholesale Corporation COM | $61.8M | 66.0K | 2.4% | ▼−1.8% Reduced · −1K sh | |
| 9 | JPMorgan Chase & Co COM | $56.0M | 171.1K | 2.2% | ▼−2.3% Reduced · −4K sh | |
| 10 | Ishares TR CORE S&P SCP ETF | $55.1M | 371.7K | 2.1% | ▲+0.4% Added · +2K sh | |
| 11 | Johnson & Johnson COM | $53.3M | 209.7K | 2.1% | ▼−0.5% Reduced · −977 sh | |
| 12 | Ishares TR CORE MSCI TOTAL | $51.6M | 540.2K | 2.0% | ▲+3.6% Added · +19K sh | |
| 13 | Ishares TR CORE S&P MCP ETF | $46.4M | 602.2K | 1.8% | ▼−0.3% Reduced · −2K sh | |
| 14 | State STR SPDR S&P 500 ETF T TR UNIT | $45.9M | 61.5K | 1.8% | ▼−1.6% Reduced · −994 sh | |
| 15 | Stryker Corporation COM | $43.7M | 138.7K | 1.7% | ▼−0.3% Reduced · −445 sh | |
| 16 | Visa Inc COM CL A | $42.0M | 122.5K | 1.6% | ▼~0% Reduced · −13 sh | |
| 17 | Alphabet Inc CAP STK CL A | $36.0M | 100.8K | 1.4% | ▼−2.7% Reduced · −3K sh | |
| 18 | Amphenol Corp CL A | $35.6M | 202.1K | 1.4% | ▼−2.0% Reduced · −4K sh | |
| 19 | Chubb Limited COM | $35.3M | 103.7K | 1.4% | ▲+1.1% Added · +1K sh | |
| 20 | SPDR Gold TR GOLD SHS | $34.5M | 93.7K | 1.3% | ▼−2.2% Reduced · −2K sh | |
| 21 | American Express Co COM | $27.7M | 81.9K | 1.1% | ▼−1.5% Reduced · −1K sh | |
| 22 | Mastercard Incorporated CL A | $25.9M | 50.5K | 1.0% | ▲+0.2% Added · +92 sh | |
| 23 | Abbott Laboratories COM | $25.4M | 279.7K | 1.0% | ▲+15% Added · +37K sh | |
| 24 | Vanguard Tax-Managed FDS VAN FTSE DEV MKT | $25.3M | 355.0K | 1.0% | ▲+4.6% Added · +16K sh | |
| 25 | Ishares TR CORE S&P500 ETF | $25.0M | 33.4K | 1.0% | ▲+9.9% Added · +3K sh | |
| 26 | Eli Lilly & Co COM | $24.4M | 20.3K | 1.0% | ▼−0.4% Reduced · −77 sh | |
| 27 | RTX Corporation COM | $23.6M | 124.5K | 0.9% | ▲+2.7% Added · +3K sh | |
| 28 | Vanguard Intl Equity Index F ALLWRLD EX US | $22.1M | 263.3K | 0.9% | ▲+0.7% Added · +2K sh | |
| 29 | Pepsico Inc COM | $21.9M | 162.1K | 0.9% | ▼−2.9% Reduced · −5K sh | |
| 30 | Capital One Finl Corp COM | $21.8M | 108.7K | 0.8% | ▲+6.7% Added · +7K sh | |
| 31 | Coca Cola Co COM | $21.8M | 267.6K | 0.8% | ▼−2.2% Reduced · −6K sh | |
| 32 | Oracle Corp COM | $21.6M | 147.2K | 0.8% | ▼−1.1% Reduced · −2K sh | |
| 33 | Home Depot Inc COM | $21.5M | 60.8K | 0.8% | ▼−6.3% Reduced · −4K sh | |
| 34 | Citigroup Inc COM NEW | $21.3M | 152.1K | 0.8% | ▲+2.1% Added · +3K sh | |
| 35 | Thermo Fisher Scientific Inc COM | $21.2M | 42.3K | 0.8% | ▲+1.1% Added · +470 sh | |
| 36 | Autozone Inc COM | $21.0M | 6.6K | 0.8% | ▲+1.2% Added · +78 sh | |
| 37 | Meta Platforms Inc CL A | $21.0M | 37.3K | 0.8% | ▼−0.3% Reduced · −124 sh | |
| 38 | Waste Mgmt Inc Del COM | $20.6M | 92.5K | 0.8% | ▲+0.6% Added · +582 sh | |
| 39 | Illinois Tool WKS Inc COM | $20.1M | 74.4K | 0.8% | ▼−4.5% Reduced · −3K sh | |
| 40 | Uber Technologies Inc COM | $19.6M | 271.7K | 0.8% | ▲+20% Added · +45K sh | |
| 41 | Eqt Corp COM | $18.3M | 343.4K | 0.7% | ▼−0.2% Reduced · −829 sh | |
| 42 | Wells Fargo & Co COM | $18.1M | 219.3K | 0.7% | ▼−0.9% Reduced · −2K sh | |
| 43 | Exxon Mobil Corp COM | $17.7M | 129.7K | 0.7% | ▼−3.7% Reduced · −5K sh | |
| 44 | J P Morgan Exchange Traded F MUNICIPAL ETF | $15.8M | 312.2K | 0.6% | ▲+11% Added · +32K sh | |
| 45 | AstraZeneca PLC ORD | $15.4M | 81.3K | 0.6% | ▲+3.1% Added · +2K sh | |
| 46 | Ishares TR NATIONAL MUN ETF | $15.0M | 138.9K | 0.6% | ▼−0.3% Reduced · −450 sh | |
| 47 | J P Morgan Exchange Traded F ULTRA SHT MUNCPL | $14.6M | 285.3K | 0.6% | ▲+24% Added · +56K sh | |
| 48 | Ishares TR MSCI EAFE ETF | $14.1M | 135.4K | 0.5% | —Held | |
| 49 | Disney Walt Co COM | $13.9M | 144.9K | 0.5% | ▼−2.6% Reduced · −4K sh | |
| 50 | Select Sector SPDR TR ST STR FINL ETF | $13.6M | 253.9K | 0.5% | ▲+0.2% Added · +477 sh |
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
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Use Arkolith to show Chesley Taft & Associates LLC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 8, 2026 | 8d | 637 | $2.6B | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 13, 2026 | 13d | 621 | $2.4B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 14, 2026 | 14d | 624 | $2.5B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 8, 2025 | 8d | 348 | $2.4B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Jul 9, 2025 | 9d | 334 | $2.2B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 10, 2025 | 10d | 330 | $2.1B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 17, 2025 | 17d | 326 | $2.2B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Oct 7, 2024 | 7d | 323 | $2.1B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Jul 19, 2024 | 19d | 309 | $2.0B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | Apr 16, 2024 | 16d | 311 | $2.0B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Jan 11, 2024 | 11d | 301 | $1.8B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Oct 11, 2023 | 11d | 289 | $1.5B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Jul 18, 2023 | 18d | 291 | $1.6B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | Apr 11, 2023 | 11d | 286 | $1.5B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Jan 20, 2023 | 20d | 284 | $1.5B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Oct 13, 2022 | 13d | 279 | $1.4B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Jul 7, 2022 | 7d | 286 | $1.5B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | Apr 14, 2022 | 14d | 294 | $1.7B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Jan 5, 2022 | 5d | 300 | $1.9B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Oct 5, 2021 | 5d | 298 | $1.8B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Jul 7, 2021 | 7d | 294 | $1.7B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | Apr 6, 2021 | 6d | 288 | $1.7B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Jan 11, 2021 | 11d | 286 | $1.6B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Oct 8, 2020 | 8d | 264 | $1.4B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.