Chesley Taft & Associates LLC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 19, 2024), Chesley Taft & Associates LLC reported 309 stock positions worth $2.0 billion. Its top holding was Microsoft (MSFT) at 5.4% of the portfolio, followed by Alphabet Class C (GOOG, 4.4%) and Apple (AAPL, 3.2%). Compared with Q1 2024, it opened 7 new positions, sold out of 10, added to 106 and reduced 134. The biggest buy was Chubb (CB, shares +2301%) and the biggest sale an exit from Cencora (COR).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001164632
Portfolio Value
$2.0B (Q2 2024)
SEC Filing
0001085146-24-003101 ↗ filed Jul 19, 2024

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $2.0B Q1 2024 Q2 2024: $2.0B $2.0B Q2 2024 Q3 2024: $2.1B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $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 309 stocks · $2.0B

MSFT Microsoft Corp. 5.40% 240,950 $107.7M Add +0.1%
GOOG Alphabet Inc. Class C 4.38% 476,099 $87.3M Reduce -0.6%
AAPL Apple Inc. 3.22% 305,380 $64.3M Reduce -6.3%
COST Costco Wholesale Corp. 3.11% 72,903 $62.0M Reduce -1.8%
NVDA Nvidia Corp. 2.89% 467,330 $57.7M Add +0.1%
AVGO Broadcom Inc. 2.85% 35,430 $56.9M Reduce -1.4%
SYK Stryker Corp. 2.57% 150,627 $51.3M Add +0.7%
AMZN Amazon.com Inc. 2.46% 254,296 $49.1M Add +0.8%
JPM JPMorgan Chase & Co. 2.09% 205,946 $41.7M Add +1.0%
PEP Pepsico Inc. 2.01% 243,267 $40.1M Add +1.1%
IJH iShares Core S&P Midcap ETF 1.94% 662,278 $38.8M Add +1.2%
IJR iShares Core S&P Small-Cap E 1.94% 362,371 $38.7M Add +2.0%
V Visa Inc. Class A 1.74% 131,960 $34.6M Reduce -0.6%
SPY SS SPDR S&P 500 ETF Trust-US 1.63% 59,797 $32.5M Reduce -1.8%
PANW Palo Alto Networks Inc. 1.56% 91,765 $31.1M Add +2.7%
JNJ Johnson & Johnson 1.55% 210,928 $30.8M Add +1.1%
IXUS iShares Core Intl Stock ETF 1.44% 424,256 $28.7M Add +28.7%
ACN Accenture PLC Class A 1.44% 94,350 $28.6M Add +1.9%
HON Honeywell International Inc. 1.38% 128,876 $27.5M Reduce -7.6%
ORCL Oracle Corp. 1.26% 177,564 $25.1M Add +2.1%
ABT Abbott Laboratories 1.24% 238,047 $24.7M Add +0.3%
MA Mastercard Inc. Class A 1.21% 54,611 $24.1M Reduce -0.8%
CB Chubb Ltd. 1.13% 88,710 $22.6M Add +2300.8%
GLD SPDR Gold Shares 1.13% 105,141 $22.6M Reduce -0.3%
GOOGL Alphabet Inc. Class A 1.12% 122,314 $22.3M Add +1.0%
TMO Thermo Fisher Scientific Inc. 1.11% 40,041 $22.1M Add +1.5%
AXP American Express Co. 1.10% 94,346 $21.8M Reduce -0.2%
HD Home Depot Inc. 1.07% 62,087 $21.4M Reduce -0.1%
DIS The Walt Disney Co. filed as DISNEY WALT CO 1.07% 214,305 $21.3M Add +1.6%
ADBE Adobe Inc. 1.06% 38,051 $21.1M Add +0.3%
ITW Illinois Tool Works 1.05% 88,366 $20.9M Reduce -0.5%
LLY Eli Lilly & Co. 1.02% 22,553 $20.4M Add +5.4%
DHR Danaher Corp. 0.97% 77,531 $19.4M Add +0.6%
ZTS Zoetis Inc. 0.95% 109,532 $19.0M Add +82.4%
META Meta Platforms Inc. Class A 0.93% 36,810 $18.6M Add +1.6%
MUB iShares National Muni Bond E 0.92% 171,341 $18.3M Add +1.8%
WM Waste Management Inc. 0.89% 83,406 $17.8M Add +0.1%
KO The Coca-Cola Co. 0.87% 271,485 $17.3M Add +3.4%
IVV iShares Core S&P 500 ETF 0.83% 30,334 $16.6M Add +13.4%
UNH Unitedhealth Group Inc. 0.81% 31,919 $16.3M Reduce -44.8%
AZO AutoZone Inc. 0.79% 5,332 $15.8M Add +4.0%
XOM Exxon Mobil Corp. 0.72% 125,074 $14.4M Reduce -0.4%
VEU Vanguard Ftse All-World Ex-U 0.72% 245,114 $14.4M Reduce -30.8%
APH Amphenol Corp. Class A 0.71% 210,728 $14.2M Reduce -1.8%
CRM Salesforce Inc. 0.62% 47,763 $12.3M Reduce -1.5%
UNP Union Pacific Corp. 0.58% 50,975 $11.5M Reduce -0.0%
XLF SS Financial Select Sector 0.57% 278,834 $11.5M Reduce -0.4%
ICE Intercontinental Exchange Inc. 0.57% 83,714 $11.5M Reduce -0.4%
BX Blackstone Inc. 0.55% 89,110 $11.0M Add +0.0%
VEA Vanguard Ftse Developed ETF 0.54% 217,658 $10.8M Add +1.1%
AGG iShares Core U.S. Aggregate 0.54% 110,607 $10.7M Add +3.8%
NEE Nextera Energy Inc. 0.51% 144,386 $10.2M Add +10.1%
ECL Ecolab Inc. 0.49% 41,233 $9.8M Add +0.2%
EFA iShares MSCI Eafe ETF 0.49% 125,111 $9.8M Reduce -2.0%
CHD Church & Dwight Co. Inc. 0.47% 90,549 $9.4M Add +0.2%
FISV Fiserv Inc. 0.46% 61,387 $9.1M Add +0.8%
WTW Willis Towers Watson PLC 0.45% 34,343 $9.0M Add +0.6%
WFC Wells Fargo & Co. 0.42% 142,473 $8.5M Add +7.5%
RTX RTX Corp. 0.42% 84,028 $8.4M Add +6.8%
VTI VG Morningstar TS MKT ETF-US 0.42% 31,525 $8.4M Add +1.5%
MRK Merck & Co. Inc. 0.41% 66,037 $8.2M Add +8.6%
MCD McDonald's Corp. 0.40% 31,407 $8.0M Add +5.0%
MDY State Street SPDR S&P Midcap 0.38% 14,126 $7.6M Add +3.3%
PG The Procter & Gamble Co. 0.37% 44,585 $7.4M Reduce -0.7%
VB Vanguard Most SM-Cap ETF-Usd 0.35% 32,016 $7.0M Add +0.5%
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.34% 27,907 $6.8M Reduce -6.7%
TSCO Tractor Supply Company 0.32% 23,369 $6.3M Add +0.3%
FLOT iShares Floating Rate Bond E 0.31% 122,350 $6.3M Add +7.5%
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.31% 6,927 $6.2M No change
APD Air Products & Chemicals Inc. 0.31% 24,127 $6.2M Reduce -52.5%
AMGN Amgen Inc. 0.29% 18,748 $5.9M Reduce -1.1%
FTV Fortive Corp. 0.29% 78,757 $5.8M Add +0.4%
CVX Chevron Corp. 0.28% 36,133 $5.7M Reduce -0.2%
SBUX Starbucks Corp. 0.27% 69,923 $5.4M Reduce -5.8%
SPGI S&P Global Inc. 0.26% 11,574 $5.2M Add +3.0%
LIN Linde PLC 0.26% 11,624 $5.1M Add +19.6%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.25% 46,067 $5.1M Reduce -1.1%
TFC Truist Financial Corp. 0.24% 125,236 $4.9M Add +0.9%
WY Weyerhaeuser Co. 0.24% 168,917 $4.8M Reduce -0.1%
TMUS T-Mobile US Inc. 0.23% 26,508 $4.7M Reduce -1.0%
INTU Intuit Inc. 0.23% 7,025 $4.6M Reduce -3.8%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.23% 115,717 $4.6M Reduce -1.8%
OKE Oneok Inc. 0.23% 55,479 $4.5M Reduce -1.1%
IBB iShares Biotechnology ETF 0.23% 32,932 $4.5M Add +1.1%
ALC Alcon Inc. filed as ALCON AG 0.22% 49,888 $4.4M Reduce -2.1%
LOW Lowe's Cos Inc. 0.22% 20,056 $4.4M Reduce -1.3%
VTV Vanguard Mrngstr Val ETF-Aui 0.22% 27,044 $4.3M Add +10.2%
PFE Pfizer Inc. 0.21% 150,783 $4.2M Reduce -0.3%
IGSB iShares 1-5Y Inv Grade Corp. 0.21% 81,706 $4.2M Reduce -1.0%
ADP Automatic Data Processing 0.21% 17,506 $4.2M Reduce -0.4%
BLK BlackRock Finance Inc. 0.21% 5,274 $4.2M Reduce -0.1%
SUB iShares Short-Term National 0.20% 39,113 $4.1M Add +12.0%
ROP Roper Technologies Inc. 0.20% 7,175 $4.0M Reduce -1.2%
SHW The Sherwin-Williams Co. 0.19% 12,984 $3.9M Reduce -3.6%
VTEB Vanguard Tax-Exempt Bond ETF 0.19% 73,805 $3.7M Add +21.7%
EMR Emerson Electric Co. 0.18% 33,141 $3.7M Reduce -0.3%
IEFA iShares Core MSCI Eafe ETF 0.18% 48,515 $3.5M No change
ABBV Abbvie Inc. 0.18% 20,443 $3.5M Reduce -2.4%
JMST JPM Ultra-Short Muni Income filed as J P MORGAN EXCHANGE TRADED F 0.17% 68,335 $3.5M Add +71.5%
NVS Novartis AG-Sponsored ADR 0.17% 32,402 $3.4M Reduce -0.9%

Show all 309 holdings

Portfolio Sells Q1 2024 → Q2 2024

COR Cencora Inc. Sold out 0.00% −0.84
UNH Unitedhealth Group Inc. Reduce -44.8% 0.81% −0.65
VEU Vanguard Ftse All-World Ex-U Reduce -30.8% 0.72% −0.34
APD Air Products & Chemicals Inc. Reduce -52.5% 0.31% −0.32
NTRS Northern Trust Corp. Reduce -73.8% 0.09% −0.29
SYY Sysco Corp. Reduce -59.1% 0.11% −0.20
ITW Illinois Tool Works Reduce -0.5% 1.05% −0.17
V Visa Inc. Class A Reduce -0.6% 1.74% −0.16
MA Mastercard Inc. Class A Reduce -0.8% 1.21% −0.15
HD Home Depot Inc. Reduce -0.1% 1.07% −0.15
AON Aon PLC Class A Reduce -68.5% 0.05% −0.14
CRM Salesforce Inc. Reduce -1.5% 0.62% −0.13
HON Honeywell International Inc. Reduce -7.6% 1.38% −0.08
GPK Graphic Packaging Holding Co. Reduce -79.9% 0.02% −0.08
SBUX Starbucks Corp. Reduce -5.8% 0.27% −0.07
WY Weyerhaeuser Co. Reduce -0.1% 0.24% −0.07
UNP Union Pacific Corp. Reduce -0.0% 0.58% −0.06
PGR Progressive Corp. Reduce -31.5% 0.13% −0.06
SHM SS SPDR N Ice St Muni ETF Reduce -27.9% 0.13% −0.06
NBIX Neurocrine Biosciences Inc. Sold out 0.00% −0.05
SHW The Sherwin-Williams Co. Reduce -3.6% 0.19% −0.05
VO Vngrd Mrngstr MD-Cap ETF-Usd Reduce -6.7% 0.34% −0.04
LOW Lowe's Cos Inc. Reduce -1.3% 0.22% −0.04
JPST JPMorgan Ultra-Short Income Reduce -23.9% 0.12% −0.04
ODFL Old Dominion Freight Line Reduce -3.7% 0.12% −0.04
WBA Walgreens Boots Alliance Inc. Reduce -53.8% 0.01% −0.03
CVS CVS Health Corp. Sold out 0.00% −0.03
EFA iShares MSCI Eafe ETF Reduce -2.0% 0.49% −0.03
XLF SS Financial Select Sector Reduce -0.4% 0.57% −0.03
URI United Rentals Inc. Reduce -5.4% 0.14% −0.03
XOM Exxon Mobil Corp. Reduce -0.4% 0.72% −0.02
IBM Intl Business Machines Corp. Reduce -1.6% 0.15% −0.02
HUBB Hubbell Inc. Reduce -9.9% 0.07% −0.02
BSCO Invesco Bulletshares 2024 CB Sold out 0.00% −0.02
IBTE iShares Ibonds Dec 2024 Term Sold out 0.00% −0.02
IBTF iShares Ibonds Dec 2025 Term Sold out 0.00% −0.02
XLRE SS Real Estate Select Sector Reduce -7.1% 0.15% −0.02
ABBV Abbvie Inc. Reduce -2.4% 0.18% −0.02
KHC The Kraft Heinz Co. Reduce -4.8% 0.08% −0.02
CI The Cigna Group Reduce -0.0% 0.14% −0.02
BLK BlackRock Finance Inc. Reduce -0.1% 0.21% −0.02
ET Energy Transfer LP Reduce -23.4% 0.06% −0.02
ICE Intercontinental Exchange Inc. Reduce -0.4% 0.57% −0.02
ADP Automatic Data Processing Reduce -0.4% 0.21% −0.02
QQQ Invesco QQQ Trust Series 1 Reduce -31.5% 0.04% −0.01
SLB SLB Ltd. Reduce -0.5% 0.08% −0.01
IWF iShares Russell 1000 Growth Reduce -14.9% 0.12% −0.01
CBOE Cboe Global Markets Inc. Reduce -0.9% 0.11% −0.01
MTN Vail Resorts Inc. Sold out 0.00% −0.01
HSY The Hershey Co. Reduce -1.4% 0.13% −0.01

Portfolio Buys Q1 2024 → Q2 2024

CB Chubb Ltd. Add +2300.8% 1.13% +1.09
NVDA Nvidia Corp. Add +0.1% 2.89% +0.74
ZTS Zoetis Inc. Add +82.4% 0.95% +0.43
IXUS iShares Core Intl Stock ETF Add +28.7% 1.44% +0.29
PANW Palo Alto Networks Inc. Add +2.7% 1.56% +0.26
MSFT Microsoft Corp. Add +0.1% 5.40% +0.22
GOOGL Alphabet Inc. Class A Add +1.0% 1.12% +0.18
LLY Eli Lilly & Co. Add +5.4% 1.02% +0.17
ORCL Oracle Corp. Add +2.1% 1.26% +0.14
AMZN Amazon.com Inc. Add +0.8% 2.46% +0.14
NFLX Netflix Inc. New 0.12% +0.12
IVV iShares Core S&P 500 ETF Add +13.4% 0.83% +0.11
NEE Nextera Energy Inc. Add +10.1% 0.51% +0.08
IEI iShares 3-7 Year Treasury Bo New 0.08% +0.08
ADBE Adobe Inc. Add +0.3% 1.06% +0.08
JMST JPM Ultra-Short Muni Income Add +71.5% 0.17% +0.07
TDG Transdigm Group Inc. Add +58.1% 0.16% +0.06
KO The Coca-Cola Co. Add +3.4% 0.87% +0.04
FERG Ferguson Jersey Ltd. New 0.04% +0.04
C Citigroup Inc. New 0.04% +0.04
JMUB JPMorgan Municipal ETF Add +186.3% 0.05% +0.03
WFC Wells Fargo & Co. Add +7.5% 0.42% +0.03
META Meta Platforms Inc. Class A Add +1.6% 0.93% +0.03
SLV iShares Silver Trust Add +61.1% 0.07% +0.03
RTX RTX Corp. Add +6.8% 0.42% +0.03
VTEB Vanguard Tax-Exempt Bond ETF Add +21.7% 0.19% +0.03
FSLR First Solar Inc. Add +1.7% 0.11% +0.03
LIN Linde PLC Add +19.6% 0.26% +0.02
TER Teradyne Inc. Add +0.1% 0.10% +0.02
USMV iShares MSCI USA Min Vol Fac New 0.02% +0.02
SUB iShares Short-Term National Add +12.0% 0.20% +0.02
NOC Northrop Grumman Corp. Add +37.7% 0.09% +0.02
IBDU iShares Ibonds Dec 2029 Term Add +66.5% 0.04% +0.02
FLOT iShares Floating Rate Bond E Add +7.5% 0.31% +0.02
IBDV iShares Ibonds Dec 2030 Corp. Add +129.7% 0.03% +0.02
SPGI S&P Global Inc. Add +3.0% 0.26% +0.01
VRSK Verisk Analytics Inc. Add +16.0% 0.06% +0.01
VTV Vanguard Mrngstr Val ETF-Aui Add +10.2% 0.22% +0.01
EWJ iShares MSCI Japan ETF Add +33.1% 0.06% +0.01
WPM Wheaton Precious Metals Corp. New 0.01% +0.01
CEG Constellation Energy New 0.01% +0.01
VTI VG Morningstar TS MKT ETF-US Add +1.5% 0.42% +0.01
INDA iShares MSCI India ETF Add +2.6% 0.11% +0.01
IBDQ iShares Ibonds Dec 2025 Term Add +17.1% 0.07% +0.01
ETN Eaton Corp. PLC Add +7.2% 0.15% +0.01
VOO Vanguard S&P 500 ETF Add +7.3% 0.08% +0.01
ECL Ecolab Inc. Add +0.2% 0.49% +0.01
VUSB Vanguard Ultra Short Bond Et Add +7.0% 0.12% +0.01
SRLN SS Blackstone Sr Loan ETF Add +17.9% 0.04% +0.01
IXC iShares Global Energy ETF Add +16.1% 0.06% +0.01

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