Chesley Taft & Associates LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 13, 2026), Chesley Taft & Associates LLC reported 370 stock positions worth $2.4 billion. Its top holding was Alphabet Class C (GOOG) at 5.1% of the portfolio, followed by Microsoft (MSFT, 3.7%) and Nvidia (NVDA, 3.4%). Compared with Q4 2025, it opened 23 new positions, sold out of 24, added to 110 and reduced 176. The biggest buy was Eqt (EQT, shares +676%) and the biggest sale Microsoft (MSFT, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001164632
- Portfolio Value
- $2.4B (Q1 2026)
- SEC Filing
- 0001164632-26-000002 ↗ filed Apr 13, 2026
Holdings Value
Holdings 370 stocks · $2.4B
| GOOG Alphabet Inc. Class C | 5.11% | 426,203 | $122.3M | Reduce -1.6% |
| MSFT Microsoft Corp. | 3.68% | 238,086 | $88.1M | Reduce -1.4% |
| NVDA Nvidia Corp. | 3.45% | 473,172 | $82.5M | Reduce -1.5% |
| AAPL Apple Inc. | 3.02% | 284,387 | $72.2M | Reduce -0.9% |
| AMZN Amazon.com Inc. | 2.96% | 339,672 | $70.7M | Add +7.7% |
| AVGO Broadcom Inc. | 2.83% | 218,422 | $67.6M | Reduce -15.1% |
| COST Costco Wholesale Corp. | 2.80% | 67,245 | $67.0M | Reduce -2.1% |
| JPM JPMorgan Chase & Co. | 2.15% | 175,119 | $51.5M | Reduce -0.6% |
| JNJ Johnson & Johnson | 2.15% | 210,712 | $51.5M | Reduce -1.0% |
| IJR iShares Core S&P Small-Cap E | 1.92% | 370,115 | $46.0M | Add +1.3% |
| SYK Stryker Corp. | 1.91% | 139,194 | $45.7M | Reduce -1.3% |
| IXUS iShares Core Intl Stock ETF | 1.89% | 521,388 | $45.2M | Add +3.5% |
| GLD SPDR Gold Shares | 1.72% | 95,827 | $41.2M | Reduce -17.4% |
| IJH iShares Core S&P Midcap ETF | 1.70% | 603,874 | $40.8M | Reduce -0.7% |
| SPY SS SPDR S&P 500 ETF Trust-US | 1.70% | 62,460 | $40.6M | Reduce -0.3% |
| V Visa Inc. Class A | 1.55% | 122,555 | $37.0M | Reduce -7.8% |
| CB Chubb Ltd. | 1.40% | 102,571 | $33.4M | Add +0.1% |
| PANW Palo Alto Networks Inc. | 1.29% | 192,539 | $30.9M | Add +0.6% |
| GOOGL Alphabet Inc. Class A | 1.25% | 103,603 | $29.8M | Reduce -5.3% |
| APH Amphenol Corp. Class A | 1.09% | 206,274 | $26.1M | Reduce 0.0% |
| PEP Pepsico Inc. | 1.08% | 166,969 | $25.9M | Reduce -4.9% |
| MA Mastercard Inc. Class A | 1.05% | 50,426 | $25.2M | Reduce -3.8% |
| AXP American Express Co. | 1.05% | 83,211 | $25.2M | Reduce -1.4% |
| ABT Abbott Laboratories | 1.04% | 242,629 | $24.9M | Add +0.3% |
| RTX RTX Corp. | 0.98% | 121,195 | $23.4M | Reduce -1.3% |
| XOM Exxon Mobil Corp. | 0.95% | 134,642 | $22.8M | Reduce -0.7% |
| HON Honeywell International Inc. | 0.94% | 99,097 | $22.4M | Reduce -0.6% |
| AZO AutoZone Inc. | 0.92% | 6,491 | $21.9M | Add +0.2% |
| EQT Eqt Corp. | 0.92% | 344,274 | $21.9M | Add +676.1% |
| ORCL Oracle Corp. | 0.91% | 148,772 | $21.9M | Reduce -17.6% |
| VEA Vanguard Ftse Developed ETF | 0.91% | 339,275 | $21.7M | Add +2.5% |
| META Meta Platforms Inc. Class A | 0.89% | 37,386 | $21.4M | Reduce -4.6% |
| HD Home Depot Inc. | 0.89% | 64,917 | $21.4M | Add +1.9% |
| WM Waste Management Inc. | 0.88% | 91,900 | $21.1M | Reduce -0.2% |
| KO The Coca-Cola Co. | 0.87% | 273,612 | $20.8M | Reduce -0.9% |
| TMO Thermo Fisher Scientific Inc. | 0.86% | 41,863 | $20.6M | Reduce -1.4% |
| ITW Illinois Tool Works | 0.85% | 77,905 | $20.3M | Reduce -0.5% |
| IVV iShares Core S&P 500 ETF | 0.83% | 30,387 | $19.8M | Add +2.1% |
| VEU Vanguard Ftse All-World Ex-U | 0.82% | 261,536 | $19.6M | Reduce -0.1% |
| ACN Accenture PLC Class A | 0.81% | 98,061 | $19.4M | Add +1.2% |
| LLY Eli Lilly & Co. | 0.79% | 20,424 | $18.8M | Reduce -9.0% |
| COF Capital One Financial Corp. | 0.78% | 101,885 | $18.6M | Add +30.5% |
| WFC Wells Fargo & Co. | 0.74% | 221,240 | $17.6M | Reduce -1.0% |
| C Citigroup Inc. | 0.71% | 148,935 | $16.9M | Add +1.1% |
| UBER Uber Technologies Inc. | 0.68% | 226,587 | $16.3M | Reduce -9.1% |
| AZN Astrazeneca PLC | 0.65% | 78,802 | $15.5M | Add +3.2% |
| MUB iShares National Muni Bond E | 0.62% | 139,393 | $14.8M | Reduce -1.7% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.60% | 148,683 | $14.3M | Reduce -0.7% |
| JMUB JPMorgan Municipal ETF | 0.59% | 280,702 | $14.0M | Add +10.9% |
| EFA iShares MSCI Eafe ETF | 0.55% | 135,426 | $13.2M | Reduce -0.3% |
| NEE Nextera Energy Inc. | 0.54% | 138,533 | $12.9M | Reduce -4.1% |
| XLF SS Financial Select Sector | 0.52% | 253,435 | $12.5M | Reduce -0.4% |
| ICE Intercontinental Exchange Inc. | 0.51% | 77,283 | $12.2M | Reduce -0.2% |
| UNP Union Pacific Corp. | 0.49% | 48,615 | $11.8M | Add +1.2% |
| JMST JPM Ultra-Short Muni Income filed as J P MORGAN EXCHANGE TRADED F | 0.49% | 229,810 | $11.7M | Add +14.0% |
| ECL Ecolab Inc. | 0.44% | 39,993 | $10.6M | Add +0.1% |
| NFLX Netflix Inc. | 0.42% | 105,433 | $10.1M | Add +0.3% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.41% | 37,423 | $9.8M | Reduce -2.5% |
| CVX Chevron Corp. | 0.41% | 47,251 | $9.8M | Add +2.1% |
| FLOT iShares Floating Rate Bond E | 0.41% | 191,485 | $9.8M | Add +5.1% |
| WTW Willis Towers Watson PLC | 0.39% | 32,406 | $9.4M | Reduce -0.2% |
| CHD Church & Dwight Co. Inc. | 0.39% | 99,270 | $9.3M | Add +0.4% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.38% | 31,971 | $9.2M | Add +2.5% |
| VTI VG Morningstar TS MKT ETF-US | 0.38% | 27,975 | $9.0M | Reduce -2.2% |
| MCD McDonald's Corp. | 0.38% | 28,873 | $9.0M | Reduce -0.1% |
| MDY State Street SPDR S&P Midcap | 0.37% | 14,362 | $8.9M | Reduce -1.4% |
| CRM Salesforce Inc. | 0.34% | 43,336 | $8.1M | Add +11.2% |
| CBOE Cboe Global Markets Inc. | 0.34% | 28,563 | $8.0M | Reduce -3.7% |
| AGG iShares Core U.S. Aggregate | 0.33% | 80,375 | $8.0M | Add +0.5% |
| GWW WW Grainger Inc. | 0.32% | 6,951 | $7.6M | No change |
| VTEB Vanguard Tax-Exempt Bond ETF | 0.32% | 151,937 | $7.6M | Add +0.8% |
| BX Blackstone Inc. | 0.31% | 64,873 | $7.5M | Reduce -28.1% |
| SUB iShares Short-Term National | 0.31% | 69,747 | $7.4M | Add +1.0% |
| DHR Danaher Corp. | 0.30% | 37,545 | $7.1M | Add +2.1% |
| CM Can Imperial BK of Commerce filed as CANADIAN IMPERIAL BANK OF CO | 0.30% | 74,964 | $7.1M | Reduce -11.9% |
| MRK Merck & Co. Inc. | 0.30% | 58,833 | $7.1M | Reduce -2.7% |
| AMGN Amgen Inc. | 0.30% | 20,088 | $7.1M | Reduce -0.4% |
| UNH Unitedhealth Group Inc. | 0.28% | 24,947 | $6.8M | Reduce -13.2% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.27% | 41,050 | $6.6M | Reduce -1.9% |
| PG The Procter & Gamble Co. | 0.27% | 45,045 | $6.5M | Reduce -1.6% |
| APD Air Products & Chemicals Inc. | 0.26% | 21,225 | $6.2M | Reduce -0.6% |
| ADBE Adobe Inc. | 0.25% | 24,967 | $6.1M | Reduce -6.0% |
| GEV GE Vernova Inc. | 0.24% | 6,695 | $5.8M | Add +102.0% |
| SBUX Starbucks Corp. | 0.24% | 64,931 | $5.8M | Reduce -0.2% |
| PFE Pfizer Inc. | 0.24% | 203,828 | $5.7M | Reduce -2.3% |
| OKE Oneok Inc. | 0.23% | 62,069 | $5.6M | Add +6.8% |
| LIN Linde PLC | 0.23% | 11,169 | $5.5M | Reduce -1.0% |
| TMUS T-Mobile US Inc. | 0.23% | 26,204 | $5.5M | Reduce -1.5% |
| FBND Fidelity Total Bond ETF | 0.22% | 116,590 | $5.3M | Add +11.8% |
| TFC Truist Financial Corp. | 0.22% | 115,276 | $5.3M | Reduce -0.3% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.22% | 26,812 | $5.3M | Reduce -2.6% |
| TSCO Tractor Supply Company | 0.22% | 114,324 | $5.2M | Reduce -0.5% |
| NVS Novartis AG-Sponsored ADR | 0.21% | 32,730 | $5.0M | Add +0.8% |
| ETN Eaton Corp. PLC | 0.20% | 13,494 | $4.8M | Add +0.2% |
| BND Vanguard Total Bond Market | 0.19% | 60,777 | $4.5M | Reduce -2.7% |
| MCK McKesson Corp. | 0.19% | 5,164 | $4.5M | Add +535.2% |
| JPST JPMorgan Ultra-Short Income | 0.18% | 87,200 | $4.4M | Add +4.8% |
| ABBV Abbvie Inc. | 0.18% | 20,111 | $4.4M | Reduce -11.6% |
| FTV Fortive Corp. | 0.18% | 78,975 | $4.4M | Add +1.2% |
| BLK BlackRock Inc. | 0.18% | 4,460 | $4.3M | Reduce -1.8% |
Portfolio Sells Q4 2025 → Q1 2026
| MSFT Microsoft Corp. | Reduce -1.4% | 3.68% | −0.92 |
| AVGO Broadcom Inc. | Reduce -15.1% | 2.83% | −0.69 |
| ORCL Oracle Corp. | Reduce -17.6% | 0.91% | −0.47 |
| V Visa Inc. Class A | Reduce -7.8% | 1.55% | −0.29 |
| SLV iShares Silver Trust | Sold out | 0.00% | −0.26 |
| GOOG Alphabet Inc. Class C | Reduce -1.6% | 5.11% | −0.25 |
| BX Blackstone Inc. | Reduce -28.1% | 0.31% | −0.24 |
| BDX Becton Dickinson and Co. | Reduce -88.5% | 0.03% | −0.23 |
| AXP American Express Co. | Reduce -1.4% | 1.05% | −0.18 |
| LLY Eli Lilly & Co. | Reduce -9.0% | 0.79% | −0.17 |
| TDG Transdigm Group Inc. | Sold out | 0.00% | −0.16 |
| MA Mastercard Inc. Class A | Reduce -3.8% | 1.05% | −0.13 |
| META Meta Platforms Inc. Class A | Reduce -4.6% | 0.89% | −0.13 |
| UBER Uber Technologies Inc. | Reduce -9.1% | 0.68% | −0.12 |
| ADBE Adobe Inc. | Reduce -6.0% | 0.25% | −0.11 |
| TMO Thermo Fisher Scientific Inc. | Reduce -1.4% | 0.86% | −0.11 |
| GOOGL Alphabet Inc. Class A | Reduce -5.3% | 1.25% | −0.11 |
| SPGI S&P Global Inc. | Reduce -31.7% | 0.15% | −0.10 |
| UNH Unitedhealth Group Inc. | Reduce -13.2% | 0.28% | −0.09 |
| GLD SPDR Gold Shares | Reduce -17.4% | 1.72% | −0.09 |
| JPM JPMorgan Chase & Co. | Reduce -0.6% | 2.15% | −0.09 |
| WFC Wells Fargo & Co. | Reduce -1.0% | 0.74% | −0.09 |
| NVDA Nvidia Corp. | Reduce -1.5% | 3.45% | −0.09 |
| DIS The Walt Disney Co. | Reduce -0.7% | 0.60% | −0.07 |
| ARES Ares Management Corp. Class A | Reduce -74.3% | 0.01% | −0.06 |
| AAPL Apple Inc. | Reduce -0.9% | 3.02% | −0.06 |
| ELV Elevance Health Inc. | Sold out | 0.00% | −0.05 |
| SYK Stryker Corp. | Reduce -1.3% | 1.91% | −0.04 |
| INDA iShares MSCI India ETF | Sold out | 0.00% | −0.04 |
| SJNK SS SPDR BB St Hi Yield ETF | Sold out | 0.00% | −0.04 |
| INTU Intuit Inc. | Reduce -33.5% | 0.03% | −0.03 |
| QCOM Qualcomm Inc. | Reduce -7.9% | 0.09% | −0.03 |
| VRSK Verisk Analytics Inc. | Reduce -54.1% | 0.02% | −0.03 |
| FSLR First Solar Inc. | Reduce -0.5% | 0.12% | −0.03 |
| ADP Automatic Data Processing | Reduce -0.2% | 0.15% | −0.03 |
| IBM Intl Business Machines Corp. | Reduce -1.3% | 0.16% | −0.03 |
| WTW Willis Towers Watson PLC | Reduce -0.2% | 0.39% | −0.03 |
| IONQ Ionq Inc. | Sold out | 0.00% | −0.03 |
| XLF SS Financial Select Sector | Reduce -0.4% | 0.52% | −0.03 |
| CDW CDW Corp. | Sold out | 0.00% | −0.03 |
| CDNS Cadence Design SYS Inc. | Reduce -7.9% | 0.16% | −0.02 |
| CTSH Cognizant Tech Solutions-A | Reduce -4.0% | 0.07% | −0.02 |
| REGN Regeneron Pharmaceuticals | Reduce -64.7% | 0.01% | −0.02 |
| ABBV Abbvie Inc. | Reduce -11.6% | 0.18% | −0.02 |
| ZTS Zoetis Inc. | Reduce -11.0% | 0.16% | −0.02 |
| PGR Progressive Corp. | Reduce -2.1% | 0.17% | −0.02 |
| NFTY First Trust India Nifty 50 E | Sold out | 0.00% | −0.02 |
| HHH Howard Hughes Holdings Inc. | Sold out | 0.00% | −0.01 |
| EMR Emerson Electric Co. | Reduce -11.9% | 0.16% | −0.01 |
| FISV Fiserv Inc. | Reduce -0.3% | 0.10% | −0.01 |
Portfolio Buys Q4 2025 → Q1 2026
| EQT Eqt Corp. | Add +676.1% | 0.92% | +0.82 |
| IXUS iShares Core Intl Stock ETF | Add +3.5% | 1.89% | +0.21 |
| IJR iShares Core S&P Small-Cap E | Add +1.3% | 1.92% | +0.19 |
| MCK McKesson Corp. | Add +535.2% | 0.19% | +0.16 |
| GEV GE Vernova Inc. | Add +102.0% | 0.24% | +0.16 |
| CB Chubb Ltd. | Add +0.1% | 1.40% | +0.14 |
| CVX Chevron Corp. | Add +2.1% | 0.41% | +0.13 |
| AZN Astrazeneca PLC | Add +3.2% | 0.65% | +0.10 |
| VEA Vanguard Ftse Developed ETF | Add +2.5% | 0.91% | +0.09 |
| AMZN Amazon.com Inc. | Add +7.7% | 2.96% | +0.08 |
| JMST JPM Ultra-Short Muni Income | Add +14.0% | 0.49% | +0.08 |
| JMUB JPMorgan Municipal ETF | Add +10.9% | 0.59% | +0.08 |
| DELL Dell Technologies -C | New | 0.07% | +0.07 |
| OKE Oneok Inc. | Add +6.8% | 0.23% | +0.07 |
| CHD Church & Dwight Co. Inc. | Add +0.4% | 0.39% | +0.06 |
| ICSH iShares Ultra Short Duration | Add +59.3% | 0.14% | +0.06 |
| UNP Union Pacific Corp. | Add +1.2% | 0.49% | +0.05 |
| AZO AutoZone Inc. | Add +0.2% | 0.92% | +0.05 |
| FLOT iShares Floating Rate Bond E | Add +5.1% | 0.41% | +0.04 |
| CWI State Street SPDR MSCI Acwi | Add +35.1% | 0.13% | +0.04 |
| SPG Simon Property Group Inc. | New | 0.04% | +0.04 |
| NFLX Netflix Inc. | Add +0.3% | 0.42% | +0.03 |
| VWO Vanguard Ftse Emerging Marke | Add +19.7% | 0.16% | +0.03 |
| FBND Fidelity Total Bond ETF | Add +11.8% | 0.22% | +0.03 |
| ETN Eaton Corp. PLC | Add +0.2% | 0.20% | +0.03 |
| NVS Novartis AG-Sponsored ADR | Add +0.8% | 0.21% | +0.03 |
| ECL Ecolab Inc. | Add +0.1% | 0.44% | +0.03 |
| COF Capital One Financial Corp. | Add +30.5% | 0.78% | +0.03 |
| VGSH Vanguard Short-Term Treasury | New | 0.03% | +0.03 |
| HD Home Depot Inc. | Add +1.9% | 0.89% | +0.03 |
| C Citigroup Inc. | Add +1.1% | 0.71% | +0.03 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Add +2.5% | 0.38% | +0.03 |
| IVV iShares Core S&P 500 ETF | Add +2.1% | 0.83% | +0.03 |
| CVNA Carvana Co. | New | 0.02% | +0.02 |
| IXC iShares Global Energy ETF | Add +8.3% | 0.07% | +0.02 |
| XBI SS SPDR S&P Biotech ETF | New | 0.02% | +0.02 |
| STIP iShares 0-5 Year Tips Bond E | Add +10.7% | 0.13% | +0.02 |
| SUB iShares Short-Term National | Add +1.0% | 0.31% | +0.02 |
| WELL Welltower Inc. | Add +0.9% | 0.16% | +0.02 |
| JPST JPMorgan Ultra-Short Income | Add +4.8% | 0.18% | +0.02 |
| AGG iShares Core U.S. Aggregate | Add +0.5% | 0.33% | +0.02 |
| VTEB Vanguard Tax-Exempt Bond ETF | Add +0.8% | 0.32% | +0.02 |
| CAT Caterpillar Inc. | Add +1.6% | 0.07% | +0.02 |
| EXE Expand Energy Corp. | Add +99.2% | 0.03% | +0.02 |
| LMT Lockheed Martin Corp. | Add +1.0% | 0.06% | +0.02 |
| BG Bunge Global SA | Add +15.8% | 0.03% | +0.01 |
| RSP Invesco S&P 500 Equal Weight | Add +51.3% | 0.04% | +0.01 |
| PAGP Plains GP Holdings LP | Add +0.3% | 0.05% | +0.01 |
| IGSB iShares 1-5Y Inv Grade Corp. | Add +2.8% | 0.17% | +0.01 |
| JPIE JPMorgan Income ETF | Add +3.3% | 0.16% | +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 |