Chesley Taft & Associates LLC
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 7, 2024), Chesley Taft & Associates LLC reported 323 stock positions worth $2.1 billion. Its top holding was Microsoft (MSFT) at 4.9% of the portfolio, followed by Alphabet Class C (GOOG, 3.8%) and Apple (AAPL, 3.4%). Compared with Q2 2024, it opened 20 new positions, sold out of 6, added to 84 and reduced 143. The biggest buy was Chubb (CB, shares +11%) and the biggest sale Alphabet Class C (GOOG, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001164632
- Portfolio Value
- $2.1B (Q3 2024)
- SEC Filing
- 0001085146-24-004667 ↗ filed Oct 7, 2024
Holdings Value
Holdings 323 stocks · $2.1B
| MSFT Microsoft Corp. | 4.90% | 238,855 | $102.8M | Reduce -0.9% |
| GOOG Alphabet Inc. Class C | 3.75% | 470,639 | $78.7M | Reduce -1.1% |
| AAPL Apple Inc. | 3.38% | 304,548 | $71.0M | Reduce -0.3% |
| COST Costco Wholesale Corp. | 2.99% | 70,791 | $62.8M | Reduce -2.9% |
| AVGO Broadcom Inc. | 2.87% | 348,790 | $60.2M | Reduce -1.6% |
| NVDA Nvidia Corp. | 2.72% | 470,369 | $57.1M | Add +0.7% |
| SYK Stryker Corp. | 2.55% | 147,881 | $53.4M | Reduce -1.8% |
| AMZN Amazon.com Inc. | 2.25% | 253,594 | $47.3M | Reduce -0.3% |
| IJR iShares Core S&P Small-Cap E | 2.04% | 366,264 | $42.8M | Add +1.1% |
| PEP Pepsico Inc. | 1.97% | 243,255 | $41.4M | Reduce 0.0% |
| IJH iShares Core S&P Midcap ETF | 1.96% | 660,711 | $41.2M | Reduce -0.2% |
| JPM JPMorgan Chase & Co. | 1.74% | 173,332 | $36.5M | Reduce -15.8% |
| V Visa Inc. Class A | 1.72% | 131,467 | $36.1M | Reduce -0.4% |
| SPY SS SPDR S&P 500 ETF Trust-US | 1.62% | 59,100 | $33.9M | Reduce -1.2% |
| JNJ Johnson & Johnson | 1.61% | 208,840 | $33.8M | Reduce -1.0% |
| ACN Accenture PLC Class A | 1.57% | 93,222 | $33.0M | Reduce -1.2% |
| PANW Palo Alto Networks Inc. | 1.50% | 91,948 | $31.4M | Add +0.2% |
| IXUS iShares Core Intl Stock ETF | 1.49% | 430,560 | $31.3M | Add +1.5% |
| ORCL Oracle Corp. | 1.42% | 174,749 | $29.8M | Reduce -1.6% |
| CB Chubb Ltd. | 1.36% | 98,585 | $28.4M | Add +11.1% |
| ABT Abbott Laboratories | 1.28% | 236,169 | $26.9M | Reduce -0.8% |
| MA Mastercard Inc. Class A | 1.27% | 54,134 | $26.7M | Reduce -0.9% |
| HON Honeywell International Inc. | 1.26% | 127,823 | $26.4M | Reduce -0.8% |
| GLD SPDR Gold Shares | 1.22% | 105,558 | $25.7M | Add +0.4% |
| HD Home Depot Inc. | 1.21% | 62,555 | $25.3M | Add +0.8% |
| AXP American Express Co. | 1.20% | 92,509 | $25.1M | Reduce -1.9% |
| TMO Thermo Fisher Scientific Inc. | 1.18% | 40,071 | $24.8M | Add +0.1% |
| ITW Illinois Tool Works | 1.09% | 86,982 | $22.8M | Reduce -1.6% |
| MUB iShares National Muni Bond E | 1.05% | 201,936 | $21.9M | Add +17.9% |
| ZTS Zoetis Inc. | 1.03% | 111,003 | $21.7M | Add +1.3% |
| DHR Danaher Corp. | 1.02% | 76,997 | $21.4M | Reduce -0.7% |
| META Meta Platforms Inc. Class A | 1.00% | 36,675 | $21.0M | Reduce -0.4% |
| GOOGL Alphabet Inc. Class A | 0.95% | 120,378 | $20.0M | Reduce -1.6% |
| LLY Eli Lilly & Co. | 0.95% | 22,383 | $19.8M | Reduce -0.8% |
| KO The Coca-Cola Co. | 0.92% | 269,761 | $19.4M | Reduce -0.6% |
| UNH Unitedhealth Group Inc. | 0.89% | 31,871 | $18.6M | Reduce -0.1% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.86% | 187,091 | $18.0M | Reduce -12.7% |
| AZO AutoZone Inc. | 0.83% | 5,559 | $17.5M | Add +4.3% |
| WM Waste Management Inc. | 0.82% | 83,291 | $17.3M | Reduce -0.1% |
| ADBE Adobe Inc. | 0.80% | 32,339 | $16.7M | Reduce -15.0% |
| IVV iShares Core S&P 500 ETF | 0.76% | 27,563 | $15.9M | Reduce -9.1% |
| VEU Vanguard Ftse All-World Ex-U | 0.73% | 242,919 | $15.3M | Reduce -0.9% |
| XOM Exxon Mobil Corp. | 0.69% | 123,036 | $14.4M | Reduce -1.6% |
| BX Blackstone Inc. | 0.65% | 88,724 | $13.6M | Reduce -0.4% |
| APH Amphenol Corp. Class A | 0.65% | 207,971 | $13.6M | Reduce -1.3% |
| ICE Intercontinental Exchange Inc. | 0.62% | 80,834 | $13.0M | Reduce -3.4% |
| CRM Salesforce Inc. | 0.62% | 47,427 | $13.0M | Reduce -0.7% |
| XLF SS Financial Select Sector | 0.60% | 277,884 | $12.6M | Reduce -0.3% |
| NEE Nextera Energy Inc. | 0.60% | 148,141 | $12.5M | Add +2.6% |
| UNP Union Pacific Corp. | 0.60% | 50,645 | $12.5M | Reduce -0.7% |
| VEA Vanguard Ftse Developed ETF | 0.56% | 224,123 | $11.8M | Add +3.0% |
| AGG iShares Core U.S. Aggregate | 0.54% | 112,782 | $11.4M | Add +2.0% |
| FISV Fiserv Inc. | 0.52% | 60,303 | $10.8M | Reduce -1.8% |
| ECL Ecolab Inc. | 0.51% | 41,547 | $10.6M | Add +0.8% |
| EFA iShares MSCI Eafe ETF | 0.50% | 125,406 | $10.5M | Add +0.2% |
| RTX RTX Corp. | 0.48% | 83,653 | $10.1M | Reduce -0.5% |
| WTW Willis Towers Watson PLC | 0.47% | 33,622 | $9.9M | Reduce -2.1% |
| CHD Church & Dwight Co. Inc. | 0.45% | 90,319 | $9.5M | Reduce -0.3% |
| MCD McDonald's Corp. | 0.42% | 28,986 | $8.8M | Reduce -7.7% |
| VTI VG Morningstar TS MKT ETF-US | 0.42% | 30,938 | $8.8M | Reduce -1.9% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.38% | 33,976 | $8.1M | Add +6.1% |
| WFC Wells Fargo & Co. | 0.38% | 142,123 | $8.0M | Reduce -0.3% |
| MDY State Street SPDR S&P Midcap | 0.38% | 14,081 | $8.0M | Reduce -0.3% |
| PG The Procter & Gamble Co. | 0.37% | 44,328 | $7.7M | Reduce -0.6% |
| MRK Merck & Co. Inc. | 0.36% | 65,847 | $7.5M | Reduce -0.3% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.35% | 28,206 | $7.4M | Add +1.1% |
| APD Air Products & Chemicals Inc. | 0.35% | 24,577 | $7.3M | Add +1.9% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 0.35% | 7,017 | $7.3M | Add +1.3% |
| TSCO Tractor Supply Company | 0.32% | 23,169 | $6.7M | Reduce -0.9% |
| SBUX Starbucks Corp. | 0.32% | 68,383 | $6.7M | Reduce -2.2% |
| FLOT iShares Floating Rate Bond E | 0.30% | 124,660 | $6.4M | Add +1.9% |
| FTV Fortive Corp. | 0.30% | 80,127 | $6.3M | Add +1.7% |
| SPGI S&P Global Inc. | 0.29% | 11,855 | $6.1M | Add +2.4% |
| AMGN Amgen Inc. | 0.29% | 18,922 | $6.1M | Add +0.9% |
| WY Weyerhaeuser Co. | 0.27% | 167,462 | $5.7M | Reduce -0.9% |
| TMUS T-Mobile US Inc. | 0.26% | 26,859 | $5.5M | Add +1.3% |
| LIN Linde PLC | 0.26% | 11,471 | $5.5M | Reduce -1.3% |
| LOW Lowe's Cos Inc. | 0.26% | 19,948 | $5.4M | Reduce -0.5% |
| TFC Truist Financial Corp. | 0.25% | 124,531 | $5.3M | Reduce -0.6% |
| CVX Chevron Corp. | 0.25% | 36,074 | $5.3M | Reduce -0.2% |
| OKE Oneok Inc. | 0.25% | 56,479 | $5.1M | Add +1.8% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.24% | 42,505 | $5.0M | Reduce -7.7% |
| SHW The Sherwin-Williams Co. | 0.24% | 12,984 | $5.0M | No change |
| ALC Alcon Inc. filed as ALCON AG | 0.24% | 49,343 | $4.9M | Reduce -1.1% |
| ADP Automatic Data Processing | 0.23% | 17,506 | $4.8M | No change |
| IBB iShares Biotechnology ETF | 0.23% | 32,558 | $4.7M | Reduce -1.1% |
| JMST JPM Ultra-Short Muni Income filed as J P MORGAN EXCHANGE TRADED F | 0.22% | 90,220 | $4.6M | Add +32.0% |
| SUB iShares Short-Term National | 0.22% | 42,713 | $4.5M | Add +9.2% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.21% | 113,227 | $4.5M | Reduce -2.1% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.21% | 25,482 | $4.4M | Reduce -5.8% |
| PFE Pfizer Inc. | 0.20% | 148,607 | $4.3M | Reduce -1.4% |
| IGSB iShares 1-5Y Inv Grade Corp. | 0.20% | 81,196 | $4.3M | Reduce -0.6% |
| VTEB Vanguard Tax-Exempt Bond ETF | 0.19% | 79,880 | $4.1M | Add +8.2% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.19% | 18,116 | $4.0M | Add +6.8% |
| ABBV Abbvie Inc. | 0.19% | 20,011 | $4.0M | Reduce -2.1% |
| NVS Novartis AG-Sponsored ADR | 0.18% | 33,502 | $3.9M | Add +3.4% |
| TDG Transdigm Group Inc. | 0.18% | 2,664 | $3.8M | Add +4.6% |
| IEFA iShares Core MSCI Eafe ETF | 0.18% | 48,515 | $3.8M | No change |
| ROP Roper Technologies Inc. | 0.17% | 6,525 | $3.6M | Reduce -9.1% |
| EMR Emerson Electric Co. | 0.17% | 33,101 | $3.6M | Reduce -0.1% |
Portfolio Sells Q2 2024 → Q3 2024
| GOOG Alphabet Inc. Class C | Reduce -1.1% | 3.75% | −0.63 |
| MSFT Microsoft Corp. | Reduce -0.9% | 4.90% | −0.50 |
| JPM JPMorgan Chase & Co. | Reduce -15.8% | 1.74% | −0.35 |
| ADBE Adobe Inc. | Reduce -15.0% | 0.80% | −0.26 |
| AMZN Amazon.com Inc. | Reduce -0.3% | 2.25% | −0.21 |
| DIS The Walt Disney Co. | Reduce -12.7% | 0.86% | −0.21 |
| BLK BlackRock Finance Inc. | Sold out | 0.00% | −0.21 |
| GOOGL Alphabet Inc. Class A | Reduce -1.6% | 0.95% | −0.17 |
| INTU Intuit Inc. | Reduce -52.7% | 0.10% | −0.13 |
| HON Honeywell International Inc. | Reduce -0.8% | 1.26% | −0.12 |
| COST Costco Wholesale Corp. | Reduce -2.9% | 2.99% | −0.12 |
| APTV Aptiv Irish Holdings Ltd. | Reduce -76.5% | 0.03% | −0.10 |
| LLY Eli Lilly & Co. | Reduce -0.8% | 0.95% | −0.08 |
| IVV iShares Core S&P 500 ETF | Reduce -9.1% | 0.76% | −0.07 |
| ODFL Old Dominion Freight Line | Reduce -65.7% | 0.04% | −0.07 |
| WM Waste Management Inc. | Reduce -0.1% | 0.82% | −0.07 |
| APH Amphenol Corp. Class A | Reduce -1.3% | 0.65% | −0.07 |
| EW Edwards Lifesciences Corp. | Reduce -7.6% | 0.09% | −0.05 |
| MRK Merck & Co. Inc. | Reduce -0.3% | 0.36% | −0.05 |
| ICSH iShares Ultra Short Duration | Reduce -40.3% | 0.06% | −0.04 |
| WFC Wells Fargo & Co. | Reduce -0.3% | 0.38% | −0.04 |
| PEP Pepsico Inc. | Reduce 0.0% | 1.97% | −0.04 |
| XOM Exxon Mobil Corp. | Reduce -1.6% | 0.69% | −0.03 |
| QCOM Qualcomm Inc. | Reduce -0.2% | 0.14% | −0.03 |
| CVX Chevron Corp. | Reduce -0.2% | 0.25% | −0.03 |
| ROP Roper Technologies Inc. | Reduce -9.1% | 0.17% | −0.03 |
| SHM SS SPDR N Ice St Muni ETF | Reduce -17.5% | 0.11% | −0.03 |
| SYK Stryker Corp. | Reduce -1.8% | 2.55% | −0.02 |
| DD Dupont DE Nemours Inc. | Reduce -68.2% | 0.01% | −0.02 |
| AMAT Applied Materials Inc. | Reduce -4.0% | 0.07% | −0.02 |
| CHD Church & Dwight Co. Inc. | Reduce -0.3% | 0.45% | −0.02 |
| ET Energy Transfer LP | Reduce -26.6% | 0.04% | −0.02 |
| GPK Graphic Packaging Holding Co. | Sold out | 0.00% | −0.02 |
| RIO Rio Tinto PLC-Spon ADR | Sold out | 0.00% | −0.02 |
| BAC Bank of America Corp. | Reduce -2.1% | 0.21% | −0.02 |
| TJX TJX Companies Inc. | Reduce -7.7% | 0.24% | −0.02 |
| SCHW Schwab (charles) Corp. | Reduce -1.8% | 0.07% | −0.02 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -1.2% | 1.62% | −0.01 |
| APO Apollo Global Management Inc. | Reduce -35.4% | 0.03% | −0.01 |
| XLU St Sr Utl SL SE SPDR ETF-Usd | Sold out | 0.00% | −0.01 |
| V Visa Inc. Class A | Reduce -0.4% | 1.72% | −0.01 |
| SLB SLB Ltd. | Reduce -1.3% | 0.06% | −0.01 |
| EMR Emerson Electric Co. | Reduce -0.1% | 0.17% | −0.01 |
| LW Lamb Weston Holdings Inc. | Sold out | 0.00% | −0.01 |
| NVO Novo-Nordisk A/S-Spons ADR | Reduce -11.9% | 0.02% | −0.01 |
| HES Hess Corp. | Reduce -0.1% | 0.06% | −0.01 |
| JMUB JPMorgan Municipal ETF | Reduce -14.1% | 0.04% | −0.01 |
| VTIP Vanguard Short-Term Tips | Reduce -4.8% | 0.10% | −0.01 |
| IWF iShares Russell 1000 Growth | Reduce -3.9% | 0.11% | −0.01 |
| VRSK Verisk Analytics Inc. | Reduce -6.5% | 0.05% | −0.01 |
Portfolio Buys Q2 2024 → Q3 2024
| CB Chubb Ltd. | Add +11.1% | 1.36% | +0.22 |
| DECK Deckers Outdoor Corp. | New | 0.15% | +0.15 |
| HD Home Depot Inc. | Add +0.8% | 1.21% | +0.14 |
| PHM Pultegroup Inc. | New | 0.13% | +0.13 |
| MUB iShares National Muni Bond E | Add +17.9% | 1.05% | +0.13 |
| C Citigroup Inc. | Add +329.9% | 0.15% | +0.11 |
| ANET Arista Networks Inc. | New | 0.11% | +0.11 |
| IJR iShares Core S&P Small-Cap E | Add +1.1% | 2.04% | +0.10 |
| GLD SPDR Gold Shares | Add +0.4% | 1.22% | +0.09 |
| NEE Nextera Energy Inc. | Add +2.6% | 0.60% | +0.08 |
| ZTS Zoetis Inc. | Add +1.3% | 1.03% | +0.08 |
| TMO Thermo Fisher Scientific Inc. | Add +0.1% | 1.18% | +0.07 |
| AZN Astrazeneca PLC-Spons ADR | New | 0.06% | +0.06 |
| FBND Fidelity Total Bond ETF | Add +79.7% | 0.14% | +0.06 |
| IXUS iShares Core Intl Stock ETF | Add +1.5% | 1.49% | +0.05 |
| JMST JPM Ultra-Short Muni Income | Add +32.0% | 0.22% | +0.05 |
| IBM Intl Business Machines Corp. | Add +6.8% | 0.19% | +0.04 |
| AZO AutoZone Inc. | Add +4.3% | 0.83% | +0.04 |
| IEI iShares 3-7 Year Treasury Bo | Add +48.2% | 0.12% | +0.04 |
| APD Air Products & Chemicals Inc. | Add +1.9% | 0.35% | +0.04 |
| CDNS Cadence Design SYS Inc. | New | 0.04% | +0.04 |
| MAA Mid-America Apartment Comm | New | 0.04% | +0.04 |
| GWW WW Grainger Inc. | Add +1.3% | 0.35% | +0.03 |
| VB Vanguard Most SM-Cap ETF-Usd | Add +6.1% | 0.38% | +0.03 |
| SPGI S&P Global Inc. | Add +2.4% | 0.29% | +0.03 |
| TMUS T-Mobile US Inc. | Add +1.3% | 0.26% | +0.03 |
| OMC Omnicom Group | Add +20.3% | 0.11% | +0.03 |
| PGR Progressive Corp. | Add +2.8% | 0.15% | +0.03 |
| VEA Vanguard Ftse Developed ETF | Add +3.0% | 0.56% | +0.02 |
| SLV iShares Silver Trust | Add +34.3% | 0.09% | +0.02 |
| FNF Fidelity National Financial | Add +55.9% | 0.05% | +0.02 |
| IBDW iShares Ibonds Dec 2031 Corp. | New | 0.02% | +0.02 |
| OKE Oneok Inc. | Add +1.8% | 0.25% | +0.02 |
| TDG Transdigm Group Inc. | Add +4.6% | 0.18% | +0.02 |
| PESI Perma-Fix Environmental SVCS | New | 0.02% | +0.02 |
| IBDU iShares Ibonds Dec 2029 Term | Add +41.8% | 0.06% | +0.02 |
| NOW ServiceNow Inc. | Add +2.2% | 0.17% | +0.02 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Add +1.1% | 0.35% | +0.02 |
| NFLX Netflix Inc. | Add +11.8% | 0.14% | +0.01 |
| ECL Ecolab Inc. | Add +0.8% | 0.51% | +0.01 |
| GOVT iShares US Treasury Bond ETF | New | 0.01% | +0.01 |
| GE General Electric | Add +0.1% | 0.11% | +0.01 |
| IBDR iShares Ibonds Dec 2026 Term | Add +23.3% | 0.08% | +0.01 |
| IBDV iShares Ibonds Dec 2030 Corp. | Add +45.8% | 0.04% | +0.01 |
| IBTG iShares Ibonds Dec 2026 Term | New | 0.01% | +0.01 |
| AEP American Electric Power | New | 0.01% | +0.01 |
| MBB iShares MBS ETF | New | 0.01% | +0.01 |
| VUSB Vanguard Ultra Short Bond Et | Add +13.9% | 0.14% | +0.01 |
| GEV GE Vernova Inc. | Add +0.1% | 0.04% | +0.01 |
| SUB iShares Short-Term National | Add +9.2% | 0.22% | +0.01 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 369 | $2.6B | GOOG, NVDA, AAPL, AMZN, MSFT |
| Q1 2026 | 370 | $2.4B | GOOG, MSFT, NVDA, AAPL, AMZN |
| Q4 2025 | 371 | $2.5B | GOOG, MSFT, NVDA, AVGO, AAPL |
| Q3 2025 | 348 | $2.4B | MSFT, GOOG, NVDA, AVGO, AAPL |
| Q2 2025 | 334 | $2.2B | MSFT, GOOG, AVGO, NVDA, AMZN |
| Q1 2025 | 330 | $2.1B | MSFT, GOOG, AAPL, COST, SYK |
| Q4 2024 | 326 | $2.2B | MSFT, GOOG, AVGO, AAPL, COST |
| Q3 2024 | 323 | $2.1B | MSFT, GOOG, AAPL, COST, AVGO |
| Q2 2024 | 309 | $2.0B | MSFT, GOOG, AAPL, COST, NVDA |
| Q1 2024 | 311 | $2.0B | MSFT, GOOG, AAPL, COST, SYK |