Chesley Taft & Associates LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 8, 2026), Chesley Taft & Associates LLC reported 369 stock positions worth $2.6 billion. Its top holding was Alphabet Class C (GOOG) at 5.8% of the portfolio, followed by Nvidia (NVDA, 3.6%) and Apple (AAPL, 3.2%). Compared with Q1 2026, it opened 18 new positions, sold out of 19, added to 153 and reduced 155. The biggest buy was Micron Technology (MU, shares +113%) and the biggest sale an exit from Honeywell International (HON).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001164632
- Portfolio Value
- $2.6B (Q2 2026)
- SEC Filing
- 0001164632-26-000004 ↗ filed Jul 8, 2026
Holdings Value
Holdings 369 stocks · $2.6B
| GOOG Alphabet Inc. Class C | 5.76% | 418,449 | $147.9M | Reduce -1.8% |
| NVDA Nvidia Corp. | 3.62% | 464,689 | $93.0M | Reduce -1.8% |
| AAPL Apple Inc. | 3.20% | 284,343 | $82.3M | Reduce -0.0% |
| AMZN Amazon.com Inc. | 3.16% | 340,030 | $81.0M | Add +0.1% |
| MSFT Microsoft Corp. | 3.15% | 217,171 | $81.0M | Reduce -8.8% |
| AVGO Broadcom Inc. | 3.13% | 212,959 | $80.4M | Reduce -2.5% |
| PANW Palo Alto Networks Inc. | 2.42% | 182,105 | $62.1M | Reduce -5.4% |
| COST Costco Wholesale Corp. | 2.41% | 66,032 | $61.8M | Reduce -1.8% |
| JPM JPMorgan Chase & Co. | 2.18% | 171,069 | $56.0M | Reduce -2.3% |
| IJR iShares Core S&P Small-Cap E | 2.15% | 371,712 | $55.1M | Add +0.4% |
| JNJ Johnson & Johnson | 2.07% | 209,735 | $53.3M | Reduce -0.5% |
| IXUS iShares Core Intl Stock ETF | 2.01% | 540,179 | $51.6M | Add +3.6% |
| IJH iShares Core S&P Midcap ETF | 1.81% | 602,154 | $46.4M | Reduce -0.3% |
| SPY SS SPDR S&P 500 ETF Trust-US | 1.79% | 61,466 | $45.9M | Reduce -1.6% |
| SYK Stryker Corp. | 1.70% | 138,749 | $43.7M | Reduce -0.3% |
| V Visa Inc. Class A | 1.64% | 122,542 | $42.0M | Reduce -0.0% |
| GOOGL Alphabet Inc. Class A | 1.40% | 100,825 | $36.0M | Reduce -2.7% |
| APH Amphenol Corp. Class A | 1.39% | 202,062 | $35.6M | Reduce -2.0% |
| CB Chubb Ltd. | 1.38% | 103,675 | $35.3M | Add +1.1% |
| GLD SPDR Gold Shares | 1.34% | 93,673 | $34.5M | Reduce -2.3% |
| AXP American Express Co. | 1.08% | 81,938 | $27.7M | Reduce -1.5% |
| MA Mastercard Inc. Class A | 1.01% | 50,518 | $25.9M | Add +0.2% |
| ABT Abbott Laboratories | 0.99% | 279,684 | $25.4M | Add +15.3% |
| VEA Vanguard Ftse Developed ETF | 0.98% | 355,041 | $25.3M | Add +4.7% |
| IVV iShares Core S&P 500 ETF | 0.97% | 33,396 | $25.0M | Add +9.9% |
| LLY Eli Lilly & Co. | 0.95% | 20,347 | $24.4M | Reduce -0.4% |
| RTX RTX Corp. | 0.92% | 124,452 | $23.6M | Add +2.7% |
| VEU Vanguard Ftse All-World Ex-U | 0.86% | 263,320 | $22.1M | Add +0.7% |
| PEP Pepsico Inc. | 0.85% | 162,052 | $21.9M | Reduce -2.9% |
| COF Capital One Financial Corp. | 0.85% | 108,726 | $21.8M | Add +6.7% |
| KO The Coca-Cola Co. | 0.85% | 267,641 | $21.8M | Reduce -2.2% |
| ORCL Oracle Corp. | 0.84% | 147,204 | $21.6M | Reduce -1.1% |
| HD Home Depot Inc. | 0.84% | 60,835 | $21.5M | Reduce -6.3% |
| C Citigroup Inc. | 0.83% | 152,055 | $21.3M | Add +2.1% |
| TMO Thermo Fisher Scientific Inc. | 0.83% | 42,333 | $21.2M | Add +1.1% |
| AZO AutoZone Inc. | 0.82% | 6,569 | $21.0M | Add +1.2% |
| META Meta Platforms Inc. Class A | 0.82% | 37,262 | $21.0M | Reduce -0.3% |
| WM Waste Management Inc. | 0.80% | 92,482 | $20.6M | Add +0.6% |
| ITW Illinois Tool Works | 0.78% | 74,412 | $20.1M | Reduce -4.5% |
| UBER Uber Technologies Inc. | 0.76% | 271,677 | $19.6M | Add +19.9% |
| EQT Eqt Corp. | 0.71% | 343,445 | $18.3M | Reduce -0.2% |
| WFC Wells Fargo & Co. | 0.71% | 219,282 | $18.1M | Reduce -0.9% |
| XOM Exxon Mobil Corp. | 0.69% | 129,699 | $17.7M | Reduce -3.7% |
| JMUB JPMorgan Municipal ETF | 0.62% | 312,202 | $15.8M | Add +11.2% |
| AZN Astrazeneca PLC | 0.60% | 81,276 | $15.4M | Add +3.1% |
| MUB iShares National Muni Bond E | 0.58% | 138,943 | $15.0M | Reduce -0.3% |
| JMST JPM Ultra-Short Muni Income filed as J P MORGAN EXCHANGE TRADED F | 0.57% | 285,335 | $14.6M | Add +24.2% |
| EFA iShares MSCI Eafe ETF | 0.55% | 135,426 | $14.1M | No change |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.54% | 144,873 | $13.9M | Reduce -2.6% |
| XLF SS Financial Select Sector | 0.53% | 253,912 | $13.6M | Add +0.2% |
| UNP Union Pacific Corp. | 0.52% | 49,293 | $13.4M | Add +1.4% |
| CRM Salesforce Inc. | 0.52% | 85,183 | $13.3M | Add +96.6% |
| NEE Nextera Energy Inc. | 0.49% | 144,257 | $12.7M | Add +4.1% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.47% | 39,904 | $12.1M | Add +6.6% |
| ECL Ecolab Inc. | 0.44% | 40,413 | $11.3M | Add +1.1% |
| ACN Accenture PLC Class A | 0.44% | 90,271 | $11.2M | Reduce -7.9% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.42% | 133,449 | $10.8M | Add +4.3% |
| VTI VG Morningstar TS MKT ETF-US | 0.41% | 28,726 | $10.6M | Add +2.7% |
| FLOT iShares Floating Rate Bond E | 0.40% | 202,885 | $10.4M | Add +6.0% |
| UNH Unitedhealth Group Inc. | 0.40% | 24,620 | $10.2M | Reduce -1.3% |
| MDY State Street SPDR S&P Midcap | 0.39% | 14,342 | $10.1M | Reduce -0.1% |
| CHD Church & Dwight Co. Inc. | 0.37% | 98,751 | $9.6M | Reduce -0.5% |
| GWW WW Grainger Inc. | 0.37% | 7,001 | $9.5M | Add +0.7% |
| ICE Intercontinental Exchange Inc. | 0.37% | 76,832 | $9.5M | Reduce -0.6% |
| AGG iShares Core U.S. Aggregate | 0.32% | 83,979 | $8.3M | Add +4.5% |
| WTW Willis Towers Watson PLC | 0.32% | 31,336 | $8.2M | Reduce -3.3% |
| CM Can Imperial BK of Commerce filed as CANADIAN IMPERIAL BANK OF CO | 0.32% | 70,388 | $8.1M | Reduce -6.1% |
| GEV GE Vernova Inc. | 0.31% | 6,864 | $8.1M | Add +2.5% |
| BX Blackstone Inc. | 0.30% | 66,521 | $7.8M | Add +2.5% |
| CVX Chevron Corp. | 0.30% | 46,629 | $7.7M | Reduce -1.3% |
| VTEB Vanguard Tax-Exempt Bond ETF | 0.30% | 152,550 | $7.7M | Add +0.4% |
| MCD McDonald's Corp. | 0.30% | 28,389 | $7.7M | Reduce -1.7% |
| MU Micron Technology Inc. | 0.29% | 6,502 | $7.5M | Add +113.3% |
| NFLX Netflix Inc. | 0.29% | 104,495 | $7.5M | Reduce -0.9% |
| SUB iShares Short-Term National | 0.29% | 69,722 | $7.4M | Reduce -0.0% |
| DHR Danaher Corp. | 0.28% | 37,898 | $7.2M | Add +0.9% |
| MRK Merck & Co. Inc. | 0.28% | 55,810 | $7.2M | Reduce -5.1% |
| CBOE Cboe Global Markets Inc. | 0.28% | 29,447 | $7.1M | Add +3.1% |
| DELL Dell Technologies -C | 0.27% | 16,222 | $7.0M | Add +58.5% |
| AMGN Amgen Inc. | 0.27% | 18,897 | $6.8M | Reduce -5.9% |
| PG The Procter & Gamble Co. | 0.26% | 45,295 | $6.6M | Add +0.6% |
| SBUX Starbucks Corp. | 0.25% | 63,888 | $6.5M | Reduce -1.6% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.24% | 40,786 | $6.2M | Reduce -0.6% |
| APD Air Products & Chemicals Inc. | 0.24% | 20,900 | $6.1M | Reduce -1.5% |
| LIN Linde PLC | 0.24% | 11,675 | $6.1M | Add +4.5% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.23% | 26,562 | $5.8M | Reduce -0.9% |
| ETN Eaton Corp. PLC | 0.22% | 13,471 | $5.7M | Reduce -0.2% |
| TFC Truist Financial Corp. | 0.22% | 113,140 | $5.6M | Reduce -1.9% |
| FBND Fidelity Total Bond ETF | 0.21% | 120,215 | $5.5M | Add +3.1% |
| OKE Oneok Inc. | 0.21% | 62,253 | $5.4M | Add +0.3% |
| NVS Novartis AG-Sponsored ADR | 0.20% | 32,410 | $5.1M | Reduce -1.0% |
| ABBV Abbvie Inc. | 0.20% | 19,924 | $5.0M | Reduce -0.9% |
| GE General Electric filed as GE AEROSPACE | 0.19% | 12,950 | $4.8M | Reduce -0.2% |
| FTV Fortive Corp. | 0.18% | 77,475 | $4.7M | Reduce -1.9% |
| JPST JPMorgan Ultra-Short Income | 0.18% | 92,750 | $4.7M | Add +6.4% |
| PFE Pfizer Inc. | 0.18% | 194,317 | $4.7M | Reduce -4.7% |
| BND Vanguard Total Bond Market | 0.18% | 62,518 | $4.6M | Add +2.9% |
| EMR Emerson Electric Co. | 0.18% | 31,831 | $4.6M | Add +10.7% |
| IBB iShares Biotechnology ETF | 0.18% | 23,862 | $4.5M | Add +0.2% |
| WELL Welltower Inc. | 0.17% | 19,540 | $4.4M | Add +1.1% |
Portfolio Sells Q1 2026 → Q2 2026
| HON Honeywell International Inc. | Sold out | 0.00% | −0.94 |
| MSFT Microsoft Corp. | Reduce -8.8% | 3.15% | −0.53 |
| COST Costco Wholesale Corp. | Reduce -1.8% | 2.41% | −0.40 |
| GLD SPDR Gold Shares | Reduce -2.3% | 1.34% | −0.38 |
| ACN Accenture PLC Class A | Reduce -7.9% | 0.44% | −0.38 |
| XOM Exxon Mobil Corp. | Reduce -3.7% | 0.69% | −0.26 |
| PEP Pepsico Inc. | Reduce -2.9% | 0.85% | −0.23 |
| TSCO Tractor Supply Company | Sold out | 0.00% | −0.22 |
| SYK Stryker Corp. | Reduce -0.3% | 1.70% | −0.21 |
| EQT Eqt Corp. | Reduce -0.2% | 0.71% | −0.20 |
| ADBE Adobe Inc. | Reduce -49.2% | 0.10% | −0.15 |
| ICE Intercontinental Exchange Inc. | Reduce -0.6% | 0.37% | −0.14 |
| NFLX Netflix Inc. | Reduce -0.9% | 0.29% | −0.13 |
| ZTS Zoetis Inc. | Reduce -51.6% | 0.04% | −0.12 |
| CDNS Cadence Design SYS Inc. | Reduce -75.8% | 0.05% | −0.11 |
| CVX Chevron Corp. | Reduce -1.3% | 0.30% | −0.11 |
| JNJ Johnson & Johnson | Reduce -0.5% | 2.07% | −0.08 |
| META Meta Platforms Inc. Class A | Reduce -0.3% | 0.82% | −0.08 |
| MCD McDonald's Corp. | Reduce -1.7% | 0.30% | −0.08 |
| ORCL Oracle Corp. | Reduce -1.1% | 0.84% | −0.07 |
| WTW Willis Towers Watson PLC | Reduce -3.3% | 0.32% | −0.07 |
| ITW Illinois Tool Works | Reduce -4.5% | 0.78% | −0.06 |
| ALC Alcon Inc. | Reduce -38.4% | 0.07% | −0.06 |
| TMUS T-Mobile US Inc. | Reduce -1.1% | 0.17% | −0.06 |
| HD Home Depot Inc. | Reduce -6.3% | 0.84% | −0.06 |
| PFE Pfizer Inc. | Reduce -4.7% | 0.18% | −0.06 |
| DIS The Walt Disney Co. | Reduce -2.6% | 0.54% | −0.06 |
| ALB Albemarle Corp. | Sold out | 0.00% | −0.05 |
| MDT Medtronic PLC | Sold out | 0.00% | −0.05 |
| PGR Progressive Corp. | Reduce -29.5% | 0.12% | −0.05 |
| PM Philip Morris International | Reduce -56.7% | 0.03% | −0.04 |
| MCK McKesson Corp. | Reduce -1.3% | 0.15% | −0.04 |
| MUB iShares National Muni Bond E | Reduce -0.3% | 0.58% | −0.04 |
| SPGI S&P Global Inc. | Reduce -14.8% | 0.11% | −0.04 |
| TJX TJX Companies Inc. | Reduce -0.6% | 0.24% | −0.03 |
| ICSH iShares Ultra Short Duration | Reduce -18.3% | 0.11% | −0.03 |
| T AT&T Inc. | Reduce -6.0% | 0.05% | −0.03 |
| IBDR iShares Ibonds Dec 2026 Term | Reduce -24.4% | 0.08% | −0.03 |
| BRK.A Berkshire Hathaway Inc. Class A | Reduce -33.3% | 0.06% | −0.03 |
| WFC Wells Fargo & Co. | Reduce -0.9% | 0.71% | −0.03 |
| NEU Newmarket Corp. | Sold out | 0.00% | −0.03 |
| AMGN Amgen Inc. | Reduce -5.9% | 0.27% | −0.03 |
| HSY The Hershey Co. | Reduce -0.0% | 0.09% | −0.03 |
| WY Weyerhaeuser Co. | Reduce -7.3% | 0.13% | −0.02 |
| MRSH Marsh & McLennan Cos | Reduce -24.2% | 0.05% | −0.02 |
| KO The Coca-Cola Co. | Reduce -2.2% | 0.85% | −0.02 |
| FISV Fiserv Inc. | Reduce -6.3% | 0.07% | −0.02 |
| SUB iShares Short-Term National | Reduce -0.0% | 0.29% | −0.02 |
| VRSK Verisk Analytics Inc. | Sold out | 0.00% | −0.02 |
| CL Colgate-Palmolive Co. | Reduce -71.7% | 0.01% | −0.02 |
Portfolio Buys Q1 2026 → Q2 2026
| MU Micron Technology Inc. | Add +113.3% | 0.29% | +0.25 |
| IJR iShares Core S&P Small-Cap E | Add +0.4% | 2.15% | +0.22 |
| DELL Dell Technologies -C | Add +58.5% | 0.27% | +0.20 |
| AMZN Amazon.com Inc. | Add +0.1% | 3.16% | +0.20 |
| CRM Salesforce Inc. | Add +96.6% | 0.52% | +0.18 |
| IVV iShares Core S&P 500 ETF | Add +9.9% | 0.97% | +0.14 |
| C Citigroup Inc. | Add +2.1% | 0.83% | +0.12 |
| IXUS iShares Core Intl Stock ETF | Add +3.6% | 2.01% | +0.12 |
| AMD Advanced Micro Devices | New | 0.11% | +0.11 |
| INTC Intel Corp. | Add +0.7% | 0.16% | +0.11 |
| UBER Uber Technologies Inc. | Add +19.9% | 0.76% | +0.08 |
| JMST JPM Ultra-Short Muni Income | Add +24.2% | 0.57% | +0.08 |
| VEA Vanguard Ftse Developed ETF | Add +4.7% | 0.98% | +0.08 |
| COF Capital One Financial Corp. | Add +6.7% | 0.85% | +0.07 |
| GEV GE Vernova Inc. | Add +2.5% | 0.31% | +0.07 |
| CSL Carlisle Cos Inc. | Add +80.6% | 0.14% | +0.07 |
| TOST Toast Inc. Class A | New | 0.06% | +0.06 |
| VB Vanguard Most SM-Cap ETF-Usd | Add +6.6% | 0.47% | +0.06 |
| TXN Texas Instruments Inc. | Add +9.5% | 0.17% | +0.06 |
| GWW WW Grainger Inc. | Add +0.7% | 0.37% | +0.05 |
| USB US Bancorp | New | 0.04% | +0.04 |
| VTI VG Morningstar TS MKT ETF-US | Add +2.7% | 0.41% | +0.04 |
| VEU Vanguard Ftse All-World Ex-U | Add +0.7% | 0.86% | +0.04 |
| QCOM Qualcomm Inc. | Add +7.7% | 0.12% | +0.04 |
| CSCO Cisco Systems Inc. | Add +1.3% | 0.12% | +0.04 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Add +4.3% | 0.42% | +0.03 |
| CAT Caterpillar Inc. | Add +5.1% | 0.10% | +0.03 |
| ULTA Ulta Beauty Inc. | Add +175.8% | 0.06% | +0.03 |
| JMUB JPMorgan Municipal ETF | Add +11.2% | 0.62% | +0.03 |
| UNP Union Pacific Corp. | Add +1.4% | 0.52% | +0.03 |
| GNRC Generac Holdings Inc. | New | 0.03% | +0.03 |
| LRCX Lam Research Corp. | Add +1.7% | 0.05% | +0.03 |
| CWI State Street SPDR MSCI Acwi | Add +12.7% | 0.15% | +0.02 |
| EMR Emerson Electric Co. | Add +10.7% | 0.18% | +0.02 |
| DE Deere & Co. | Add +85.0% | 0.04% | +0.02 |
| VMBS Vanguard Mortgage-Backed Sec | Add +172.3% | 0.03% | +0.02 |
| EQH Equitable Holdings Inc. | New | 0.02% | +0.02 |
| FSLR First Solar Inc. | Add +1.6% | 0.13% | +0.02 |
| MET Metlife Inc. | Add +9.1% | 0.09% | +0.02 |
| MRVL Marvell Technology Inc. | New | 0.02% | +0.02 |
| VWO Vanguard Ftse Emerging Marke | Add +5.8% | 0.17% | +0.01 |
| QQQ Invesco QQQ Trust Series 1 | Add +1.7% | 0.08% | +0.01 |
| WELL Welltower Inc. | Add +1.1% | 0.17% | +0.01 |
| KEYS Keysight Technologies Inc. | Add +2.9% | 0.08% | +0.01 |
| DVN Devon Energy Corp. | New | 0.01% | +0.01 |
| WMG Warner Music Group Corp. Class A | New | 0.01% | +0.01 |
| GEN Gen Digital Inc. | New | 0.01% | +0.01 |
| BNY Bank of New York Mellon Corp. | New | 0.01% | +0.01 |
| ESGV Vanguard ESG US Stock ETF | New | 0.01% | +0.01 |
| IUSB Ishr CR Unvrse Usd BD ETF-Ui | New | 0.01% | +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 |