Chesley Taft & Associates LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed April 10, 2025), Chesley Taft & Associates LLC reported 330 stock positions worth $2.1 billion. Its top holding was Microsoft (MSFT) at 4.3% of the portfolio, followed by Alphabet Class C (GOOG, 3.5%) and Apple (AAPL, 3.2%). Compared with Q4 2024, it opened 19 new positions, sold out of 15, added to 127 and reduced 142. The biggest buy was Astrazeneca PLC-Spons ADR (AZN, shares +3780%) and the biggest sale Broadcom (AVGO, shares −19%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001164632
Portfolio Value
$2.1B (Q1 2025)
SEC Filing
0001085146-25-002016 ↗ filed Apr 10, 2025

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $2.0B Q1 2024 Q2 2024: $2.0B Q2 2024 Q3 2024: $2.1B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $2.1B $2.1B Q1 2025 Q2 2025: $2.2B Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.5B Q4 2025 Q1 2026: $2.4B Q1 2026 Q2 2026: $2.6B Q2 2026

Holdings 330 stocks · $2.1B

MSFT Microsoft Corp. 4.26% 234,888 $88.2M Reduce -1.2%
GOOG Alphabet Inc. Class C 3.53% 467,855 $73.1M Reduce -0.1%
AAPL Apple Inc. 3.22% 299,847 $66.6M Reduce -0.6%
COST Costco Wholesale Corp. 3.13% 68,488 $64.8M Reduce -1.4%
SYK Stryker Corp. 2.60% 144,812 $53.9M Reduce -1.7%
NVDA Nvidia Corp. 2.48% 473,483 $51.3M Add +0.2%
AMZN Amazon.com Inc. 2.34% 255,007 $48.5M Add +0.4%
AVGO Broadcom Inc. 2.24% 276,948 $46.4M Reduce -19.2%
V Visa Inc. Class A 2.18% 128,583 $45.1M Reduce -1.6%
JPM JPMorgan Chase & Co. 2.03% 171,355 $42.0M Add +0.5%
IJH iShares Core S&P Midcap ETF 1.94% 687,424 $40.1M Add +0.7%
IJR iShares Core S&P Small-Cap E 1.88% 371,464 $38.8M Reduce -1.5%
JNJ Johnson & Johnson 1.64% 204,666 $33.9M Reduce -1.3%
SPY SS SPDR S&P 500 ETF Trust-US 1.54% 56,911 $31.8M Reduce -2.4%
PANW Palo Alto Networks Inc. 1.52% 184,171 $31.4M Reduce -0.1%
GLD SPDR Gold Shares 1.50% 107,772 $31.1M Reduce -0.5%
ABT Abbott Laboratories 1.50% 234,062 $31.0M Reduce -1.5%
IXUS iShares Core Intl Stock ETF 1.47% 436,201 $30.5M Add +0.8%
CB Chubb Ltd. 1.44% 98,666 $29.8M Reduce -0.6%
ACN Accenture PLC Class A 1.40% 92,561 $28.9M Reduce -0.3%
MA Mastercard Inc. Class A 1.39% 52,639 $28.9M Reduce -1.5%
AXP American Express Co. 1.37% 105,308 $28.3M Reduce -1.2%
PEP Pepsico Inc. 1.27% 175,007 $26.2M Reduce -28.0%
ORCL Oracle Corp. 1.16% 171,011 $23.9M Add +0.0%
HD Home Depot Inc. 1.11% 62,875 $23.0M Reduce -0.1%
AZO AutoZone Inc. 1.10% 5,969 $22.8M Add +2.8%
META Meta Platforms Inc. Class A 1.04% 37,528 $21.6M Add +2.5%
HON Honeywell International Inc. 1.04% 101,620 $21.5M Reduce -19.9%
ITW Illinois Tool Works 1.02% 85,223 $21.1M Reduce -1.5%
TMO Thermo Fisher Scientific Inc. 1.00% 41,768 $20.8M Add +4.6%
WM Waste Management Inc. 0.96% 85,811 $19.9M Reduce -0.4%
KO The Coca-Cola Co. 0.93% 267,998 $19.2M Reduce -0.7%
LLY Eli Lilly & Co. 0.92% 23,035 $19.0M Add +3.2%
MUB iShares National Muni Bond E 0.90% 177,061 $18.7M Reduce -0.9%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.88% 185,264 $18.3M Add +0.5%
GOOGL Alphabet Inc. Class A 0.86% 115,502 $17.9M Reduce -4.5%
UNH Unitedhealth Group Inc. 0.86% 33,931 $17.8M Add +5.6%
ZTS Zoetis Inc. 0.85% 106,544 $17.5M Reduce -3.8%
BDX Becton Dickinson and Co. 0.76% 68,522 $15.7M Add +97.7%
IVV iShares Core S&P 500 ETF 0.73% 26,992 $15.2M Add +0.8%
WFC Wells Fargo & Co. 0.72% 208,912 $15.0M Add +6.6%
XOM Exxon Mobil Corp. 0.71% 123,537 $14.7M Add +0.5%
VEU Vanguard Ftse All-World Ex-U 0.69% 236,884 $14.4M Reduce -2.2%
XLF SS Financial Select Sector 0.66% 274,267 $13.7M Reduce -1.1%
ICE Intercontinental Exchange Inc. 0.65% 78,099 $13.5M Reduce -2.7%
APH Amphenol Corp. Class A 0.64% 201,423 $13.2M Reduce -0.5%
CRM Salesforce Inc. 0.63% 48,917 $13.1M Add +2.7%
FISV Fiserv Inc. 0.62% 57,825 $12.8M Reduce -3.1%
VEA Vanguard Ftse Developed ETF 0.61% 249,305 $12.7M Add +10.5%
BX Blackstone Inc. 0.58% 85,329 $11.9M Reduce -6.1%
UNP Union Pacific Corp. 0.57% 49,864 $11.8M Reduce -0.7%
RTX RTX Corp. 0.56% 87,553 $11.6M Add +3.2%
WTW Willis Towers Watson PLC 0.55% 33,574 $11.3M Reduce -0.1%
ADBE Adobe Inc. 0.52% 28,301 $10.9M Reduce -5.8%
NEE Nextera Energy Inc. 0.51% 147,479 $10.5M Add +1.1%
EFA iShares MSCI Eafe ETF 0.50% 126,286 $10.3M Add +1.2%
ECL Ecolab Inc. 0.48% 39,467 $10.0M Reduce -3.5%
CHD Church & Dwight Co. Inc. 0.48% 90,329 $9.9M Reduce -0.9%
AZN Astrazeneca PLC-Spons ADR 0.47% 131,910 $9.7M Add +3779.7%
NFLX Netflix Inc. 0.46% 10,132 $9.4M Add +7.2%
MCD McDonald's Corp. 0.43% 28,686 $9.0M Reduce -0.8%
VTI VG Morningstar TS MKT ETF-US 0.40% 29,796 $8.2M Reduce -0.3%
C Citigroup Inc. 0.39% 114,781 $8.1M Add +64.1%
FLOT iShares Floating Rate Bond E 0.38% 154,535 $7.9M Add +7.6%
AGG iShares Core U.S. Aggregate 0.38% 79,742 $7.9M Reduce -3.3%
DHR Danaher Corp. 0.38% 38,031 $7.8M Reduce -49.2%
VB Vanguard Most SM-Cap ETF-Usd 0.38% 35,117 $7.8M Reduce -0.6%
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.36% 28,748 $7.4M Add +1.0%
PG The Procter & Gamble Co. 0.36% 43,535 $7.4M Reduce -1.3%
MDY State Street SPDR S&P Midcap 0.36% 13,866 $7.4M Reduce -1.0%
APD Air Products & Chemicals Inc. 0.35% 24,362 $7.2M Reduce -0.7%
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.34% 7,154 $7.1M Add +1.4%
TMUS T-Mobile US Inc. 0.34% 26,302 $7.0M Reduce -2.3%
JMST JPM Ultra-Short Muni Income filed as J P MORGAN EXCHANGE TRADED F 0.33% 132,710 $6.7M Add +13.3%
TSCO Tractor Supply Company 0.31% 117,790 $6.5M Add +1.1%
SBUX Starbucks Corp. 0.31% 65,690 $6.4M Reduce -2.6%
CVX Chevron Corp. 0.30% 37,176 $6.2M Add +3.1%
AMGN Amgen Inc. 0.30% 19,807 $6.2M Add +2.6%
SPGI S&P Global Inc. 0.29% 11,804 $6.0M Reduce -0.1%
SUB iShares Short-Term National 0.28% 55,828 $5.9M Add +11.2%
FTV Fortive Corp. 0.28% 80,391 $5.9M Add +0.8%
OKE Oneok Inc. 0.27% 56,540 $5.6M Add +0.8%
ADP Automatic Data Processing 0.27% 18,263 $5.6M Add +3.6%
MRK Merck & Co. Inc. 0.26% 60,888 $5.5M Add +0.1%
VTEB Vanguard Tax-Exempt Bond ETF 0.26% 108,005 $5.4M Add +5.7%
PGR Progressive Corp. 0.25% 18,458 $5.2M Add +44.3%
TFC Truist Financial Corp. 0.25% 124,161 $5.1M Reduce -0.3%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.25% 20,498 $5.1M Add +0.2%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.25% 41,753 $5.1M Reduce -1.3%
LIN Linde PLC 0.25% 10,908 $5.1M Reduce -5.8%
WY Weyerhaeuser Co. 0.23% 163,011 $4.8M Reduce -1.4%
ALC Alcon Inc. filed as ALCON AG 0.23% 49,473 $4.7M Reduce -3.0%
LOW Lowe's Cos Inc. 0.22% 19,331 $4.5M Reduce -0.9%
SHW The Sherwin-Williams Co. 0.22% 12,904 $4.5M Reduce -0.3%
ABBV Abbvie Inc. 0.21% 20,848 $4.4M Add +2.8%
VTV Vanguard Mrngstr Val ETF-Aui 0.21% 24,719 $4.3M Add +1.2%
AMP Ameriprise Financial Inc. 0.20% 8,612 $4.2M Reduce -6.0%
BLK BlackRock Inc. 0.20% 4,401 $4.2M Reduce -5.7%
BND Vanguard Total Bond Market 0.20% 56,275 $4.1M Add +6.3%
IGSB iShares 1-5Y Inv Grade Corp. 0.19% 74,694 $3.9M Reduce -1.1%

Show all 330 holdings

Portfolio Sells Q4 2024 → Q1 2025

AVGO Broadcom Inc. Reduce -19.2% 2.24% −1.45
GOOG Alphabet Inc. Class C Reduce -0.1% 3.53% −0.61
PEP Pepsico Inc. Reduce -28.0% 1.27% −0.45
DHR Danaher Corp. Reduce -49.2% 0.38% −0.42
MSFT Microsoft Corp. Reduce -1.2% 4.26% −0.39
HON Honeywell International Inc. Reduce -19.9% 1.04% −0.29
AAPL Apple Inc. Reduce -0.6% 3.22% −0.29
BAC Bank of America Corp. Sold out 0.00% −0.23
GOOGL Alphabet Inc. Class A Reduce -4.5% 0.86% −0.20
BX Blackstone Inc. Reduce -6.1% 0.58% −0.15
IJR iShares Core S&P Small-Cap E Reduce -1.5% 1.88% −0.14
ANET Arista Networks Inc. Sold out 0.00% −0.13
ACN Accenture PLC Class A Reduce -0.3% 1.40% −0.12
AXP American Express Co. Reduce -1.2% 1.37% −0.10
ADBE Adobe Inc. Reduce -5.8% 0.52% −0.10
DECK Deckers Outdoor Corp. Reduce -4.0% 0.11% −0.09
SPY SS SPDR S&P 500 ETF Trust-US Reduce -2.4% 1.54% −0.05
TER Teradyne Inc. Reduce -21.6% 0.05% −0.04
PANW Palo Alto Networks Inc. Reduce -0.1% 1.52% −0.04
SWKS Skyworks Solutions Inc. Sold out 0.00% −0.03
ODFL Old Dominion Freight Line Sold out 0.00% −0.03
AMP Ameriprise Financial Inc. Reduce -6.0% 0.20% −0.02
VRT Vertiv Holdings Co. Class A Reduce -16.0% 0.03% −0.02
HD Home Depot Inc. Reduce -0.1% 1.11% −0.02
RRX Regal Rexnord Corp. Reduce -16.2% 0.04% −0.02
AIG American International Group Sold out 0.00% −0.02
ARES Ares Management Corp. Class A Reduce -6.6% 0.09% −0.02
BLK BlackRock Inc. Reduce -5.7% 0.20% −0.02
VB Vanguard Most SM-Cap ETF-Usd Reduce -0.6% 0.38% −0.02
EMR Emerson Electric Co. Reduce -1.1% 0.17% −0.02
HUBB Hubbell Inc. Reduce -6.1% 0.06% −0.02
INDA iShares MSCI India ETF Reduce -15.9% 0.08% −0.01
APH Amphenol Corp. Class A Reduce -0.5% 0.64% −0.01
FLEX Flex Ltd. Sold out 0.00% −0.01
MDY State Street SPDR S&P Midcap Reduce -1.0% 0.36% −0.01
VST Vistra Corp. Sold out 0.00% −0.01
IBDQ iShares Ibonds Dec 2025 Term Reduce -20.4% 0.06% −0.01
PHM Pultegroup Inc. Reduce -10.6% 0.09% −0.01
VOYA Voya Financial Inc. Reduce -16.8% 0.07% −0.01
WERN Werner Enterprises Inc. Sold out 0.00% −0.01
URI United Rentals Inc. Reduce -1.4% 0.12% −0.01
BSCP Invesco Bulletshares 2025 CB Sold out 0.00% −0.01
EL Estee Lauder Companies Class A Sold out 0.00% −0.01
MCHP Microchip Technology Inc. Sold out 0.00% −0.01
DAL Delta Air Lines Inc. Reduce -1.4% 0.03% −0.01
MANH Manhattan Associates Inc. Reduce -9.8% 0.02% −0.01
USIG iShares Broad Usd Investment Sold out 0.00% −0.01
VIG Vanguard Dividend Apprec ETF Sold out 0.00% −0.01
CBT Cabot Corp. Sold out 0.00% −0.01
JBL Jabil Inc. Sold out 0.00% −0.01

Portfolio Buys Q4 2024 → Q1 2025

AZN Astrazeneca PLC-Spons ADR Add +3779.7% 0.47% +0.46
BDX Becton Dickinson and Co. Add +97.7% 0.76% +0.39
AZO AutoZone Inc. Add +2.8% 1.10% +0.24
C Citigroup Inc. Add +64.1% 0.39% +0.17
IXUS iShares Core Intl Stock ETF Add +0.8% 1.47% +0.14
JPM JPMorgan Chase & Co. Add +0.5% 2.03% +0.13
LLY Eli Lilly & Co. Add +3.2% 0.92% +0.12
VEA Vanguard Ftse Developed ETF Add +10.5% 0.61% +0.11
PGR Progressive Corp. Add +44.3% 0.25% +0.11
RTX RTX Corp. Add +3.2% 0.56% +0.10
UNH Unitedhealth Group Inc. Add +5.6% 0.86% +0.10
XOM Exxon Mobil Corp. Add +0.5% 0.71% +0.10
WFC Wells Fargo & Co. Add +6.6% 0.72% +0.09
SCHG Schwab US Large-Cap Growth New 0.08% +0.08
NFLX Netflix Inc. Add +7.2% 0.46% +0.07
AMGN Amgen Inc. Add +2.6% 0.30% +0.06
EFA iShares MSCI Eafe ETF Add +1.2% 0.50% +0.06
CVX Chevron Corp. Add +3.1% 0.30% +0.06
JMST JPM Ultra-Short Muni Income Add +13.3% 0.33% +0.05
CDNS Cadence Design SYS Inc. Add +61.1% 0.17% +0.05
META Meta Platforms Inc. Class A Add +2.5% 1.04% +0.05
VWO Vanguard Ftse Emerging Marke Add +178.9% 0.07% +0.05
BRK.B Berkshire Hathaway Inc. Class B Add +45.5% 0.10% +0.05
ABBV Abbvie Inc. Add +2.8% 0.21% +0.04
NEM Newmont Corp. New 0.04% +0.04
FLOT iShares Floating Rate Bond E Add +7.6% 0.38% +0.04
TMO Thermo Fisher Scientific Inc. Add +4.6% 1.00% +0.04
SUB iShares Short-Term National Add +11.2% 0.28% +0.04
IBM Intl Business Machines Corp. Add +0.2% 0.25% +0.04
VGK Vanguard Ftse Europe ETF New 0.04% +0.04
ILCV iShares Morningstar Value Et New 0.03% +0.03
JMUB JPMorgan Municipal ETF Add +17.0% 0.18% +0.03
ADP Automatic Data Processing Add +3.6% 0.27% +0.03
VTIP Vanguard Short-Term Tips Add +17.8% 0.13% +0.03
JPST JPMorgan Ultra-Short Income Add +13.6% 0.17% +0.03
FBND Fidelity Total Bond ETF Add +10.6% 0.19% +0.03
TSCO Tractor Supply Company Add +1.1% 0.31% +0.03
SLV iShares Silver Trust Add +1.6% 0.13% +0.03
GE General Electric Add +0.4% 0.12% +0.02
TDG Transdigm Group Inc. Add +2.0% 0.18% +0.02
CBOE Cboe Global Markets Inc. Add +0.2% 0.14% +0.02
BND Vanguard Total Bond Market Add +6.3% 0.20% +0.02
CPRT Copart Inc. Add +34.7% 0.08% +0.02
AON Aon PLC Class A Add +19.0% 0.08% +0.02
VTEB Vanguard Tax-Exempt Bond ETF Add +5.7% 0.26% +0.02
CRBG Corebridge Financial Inc. New 0.02% +0.02
IP International Paper Co. New 0.02% +0.02
IBDW iShares Ibonds Dec 2031 Corp. Add +51.4% 0.05% +0.02
NEE Nextera Energy Inc. Add +1.1% 0.51% +0.02
SCHV Schwab US Large-Cap Value New 0.02% +0.02

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 369$2.6BGOOG, NVDA, AAPL, AMZN, MSFT
Q1 2026 370$2.4BGOOG, MSFT, NVDA, AAPL, AMZN
Q4 2025 371$2.5BGOOG, MSFT, NVDA, AVGO, AAPL
Q3 2025 348$2.4BMSFT, GOOG, NVDA, AVGO, AAPL
Q2 2025 334$2.2BMSFT, GOOG, AVGO, NVDA, AMZN
Q1 2025 330$2.1BMSFT, GOOG, AAPL, COST, SYK
Q4 2024 326$2.2BMSFT, GOOG, AVGO, AAPL, COST
Q3 2024 323$2.1BMSFT, GOOG, AAPL, COST, AVGO
Q2 2024 309$2.0BMSFT, GOOG, AAPL, COST, NVDA
Q1 2024 311$2.0BMSFT, GOOG, AAPL, COST, SYK