Chesley Taft & Associates LLC Top Holdings and 13F Report (2026)

About Chesley Taft & Associates LLC

Investment Activity

Chesley Taft & Associates LLC has $2.56 billion in total holdings as of September 30, 2026.
Chesley Taft & Associates LLC owns shares of 365 different stocks, but just 70 companies or ETFs make up 80% of its holdings.
Approximately 2.97% of the portfolio was purchased this quarter.
About 4.10% of the portfolio was sold this quarter.
This quarter, Chesley Taft & Associates LLC has purchased 369 new stocks and bought additional shares in 117 stocks.
Chesley Taft & Associates LLC sold shares of 160 stocks and completely divested from 17 stocks this quarter.

Largest Holdings

Alphabet: $139,404,937
Microsoft: $109,630,551
NVIDIA: $105,800,910
Apple: $92,896,912
Amazon.com: $83,907,491

Largest New Holdings this Quarter

43849R105 - HONEYWELL AEROSPACE INC: $14,422,748 Holding
438516205 - HONEYWELL INTL INC: $11,080,467 Holding
84615Q103 - SPACE EXPLORATION TECHN CORP: $711,456 Holding
921910725 - Vanguard ESG International Stock ETF: $466,238 Holding
46436E833 - iShares iBonds Dec 2028 Term Treasury ETF: $425,054 Holding

Largest Purchases this Quarter

Amphenol: 191,288 shares (about $16.13M)
HONEYWELL AEROSPACE INC: 93,068 shares (about $14.42M)
HONEYWELL INTL INC: 52,529 shares (about $11.08M)
iShares S&P 100 ETF: 138,250 shares (about $3.47M)
Valero Energy: 8,418 shares (about $3.26M)

Largest Sales this Quarter

Uber Technologies: 161,036 shares (about $11.03M)
Palo Alto Networks: 24,951 shares (about $9.91M)
Home Depot: 33,087 shares (about $9.41M)
Alphabet: 9,325 shares (about $3.18M)
Adobe: 11,787 shares (about $2.83M)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
GOOG Alphabet	$139,404,937	$3,177,401 ▼	-2.2%	409,124	5.4%	Communication Services
MSFT Microsoft	$109,630,551	$1,756,686 ▼	-1.6%	213,746	4.3%	Technology
NVDA NVIDIA	$105,800,910	$324,756 ▼	-0.3%	463,267	4.1%	Technology
AAPL Apple	$92,896,912	$1,794,977 ▼	-1.9%	278,953	3.6%	Technology
AMZN Amazon.com	$83,907,491	$810,983 ▼	-1.0%	336,775	3.3%	Consumer Discretionary
AVGO Broadcom	$74,111,977	$677,094 ▼	-0.9%	211,031	2.9%	Technology
PANW Palo Alto Networks	$62,438,856	$9,913,282 ▼	-13.7%	157,154	2.4%	Technology
COST Costco Wholesale	$59,127,494	$984,078 ▼	-1.6%	64,951	2.3%	Consumer Staples
JPM JPMorgan Chase & Co.	$55,826,570	$768,187 ▼	-1.4%	168,747	2.2%	Finance
JNJ Johnson & Johnson	$55,155,667	$369,577 ▼	-0.7%	208,339	2.2%	Healthcare
IXUS iShares Core MSCI Total International Stock ETF	$52,309,473	$997,870 ▲	1.9%	550,684	2.0%	ETF
IJR iShares Core S&P Small-Cap ETF	$49,896,426	$671,221 ▼	-1.3%	366,778	1.9%	ETF
SPY SPDR S&P 500 ETF Trust	$46,252,734	$623,069 ▼	-1.3%	60,649	1.8%	ETF
V Visa	$43,635,598	$397,419 ▼	-0.9%	121,436	1.7%	Finance
IJH iShares Core S&P Mid-Cap ETF	$43,287,061	$37,918 ▼	-0.1%	601,627	1.7%	ETF
SYK Stryker	$37,998,312	$211,775 ▼	-0.6%	137,980	1.5%	Healthcare
GLD SPDR Gold Shares	$37,838,739	$2,164,314 ▲	6.1%	99,356	1.5%	ETF
GOOGL Alphabet	$33,949,269	$742,523 ▼	-2.1%	98,667	1.3%	Communication Services
CB Chubb	$33,895,604	$175,310 ▲	0.5%	104,214	1.3%	Finance
APH Amphenol	$33,159,405	$16,125,578 ▲	94.7%	393,350	1.3%	Technology
TMO Thermo Fisher Scientific	$28,539,764	$37,128 ▼	-0.1%	42,278	1.1%	Healthcare
MA Mastercard	$28,024,602	$165,441 ▲	0.6%	50,818	1.1%	Finance
ABT Abbott Laboratories	$27,921,358	$280,183 ▲	1.0%	282,519	1.1%	Healthcare
META Meta Platforms	$26,392,201	$629,456 ▼	-2.3%	36,394	1.0%	Communication Services
VEA Vanguard FTSE Developed Markets ETF	$25,498,119	$428,673 ▲	1.7%	361,112	1.0%	ETF
AXP American Express	$24,705,940	$211,349 ▼	-0.8%	81,243	1.0%	Finance
IVV iShares Core S&P 500 ETF	$23,887,750	$1,688,708 ▼	-6.6%	31,191	0.9%	ETF
LLY Eli Lilly and Company	$23,491,038	$52,069 ▼	-0.2%	20,302	0.9%	Healthcare
RTX RTX	$23,355,327	$250,813 ▲	1.1%	125,803	0.9%	Industrials
KO Coca-Cola	$22,737,675	$300,849 ▼	-1.3%	264,146	0.9%	Consumer Staples
VEU Vanguard FTSE All-World ex-US ETF	$21,555,108	$292,552 ▼	-1.3%	259,794	0.8%	ETF
COF Capital One Financial	$21,414,166	$422,437 ▲	2.0%	110,914	0.8%	Finance
ORCL Oracle	$20,082,185	$128,925 ▼	-0.6%	146,265	0.8%	Technology
PEP PepsiCo	$20,004,526	$530,703 ▼	-2.6%	157,864	0.8%	Consumer Staples
C Citigroup	$19,810,699	$122,618 ▲	0.6%	153,002	0.8%	Finance
WM Waste Management	$19,240,464	$381,534 ▲	2.0%	94,353	0.8%	Industrials
ITW Illinois Tool Works	$19,008,619	$136,101 ▼	-0.7%	73,883	0.7%	Industrials
AZO AutoZone	$18,675,302	$84,901 ▲	0.5%	6,599	0.7%	Consumer Discretionary
CRM Salesforce	$18,261,242	$1,294,322 ▼	-6.6%	79,545	0.7%	Technology
WFC Wells Fargo & Company	$17,090,275	$463,249 ▼	-2.6%	213,495	0.7%	Finance
ACN Accenture	$16,401,896	$151,097 ▼	-0.9%	89,447	0.6%	Technology
J P MORGAN EXCHANGE TRADED F	$15,763,159	$908,588 ▲	6.1%	331,298	0.6%	MUNICIPAL ETF
J P MORGAN EXCHANGE TRADED F	$15,224,374	$797,837 ▲	5.5%	301,115	0.6%	ULTRA SHT MUNCPL
DIS Walt Disney	$14,886,694	$310,504 ▼	-2.0%	141,913	0.6%	Communication Services
AZNCF AstraZeneca	$14,752,061	$1,628,425 ▲	12.4%	91,361	0.6%	Healthcare
EQT EQT	$14,608,207	$2,069,481 ▼	-12.4%	300,828	0.6%	Energy
UNP Union Pacific	$14,477,861	$1,063,756 ▲	7.9%	53,202	0.6%	Industrials
HONEYWELL AEROSPACE INC	$14,422,748	$14,422,748 ▲	New Holding	93,068	0.6%	COM
EFA iShares MSCI EAFE ETF	$14,069,615	$208 ▲	0.0%	135,428	0.5%	ETF
MUB iShares National Muni Bond ETF	$13,628,381	$418,756 ▼	-3.0%	134,801	0.5%	ETF
XLF Financial Select Sector SPDR Fund	$13,559,052	$160 ▲	0.0%	253,915	0.5%	ETF
CVX Chevron	$12,386,457	$2,864,272 ▲	30.1%	60,655	0.5%	Energy
VB Vanguard Small-Cap ETF	$11,555,699	$203,410 ▲	1.8%	40,619	0.5%	ETF
ICE Intercontinental Exchange	$11,522,962	$157,807 ▼	-1.4%	75,794	0.5%	Finance
ECL Ecolab	$11,205,885	$109,283 ▲	1.0%	40,811	0.4%	Materials
HONEYWELL INTL INC	$11,080,467	$11,080,467 ▲	New Holding	52,529	0.4%	COM
NEE NextEra Energy	$11,002,220	$76,194 ▲	0.7%	145,263	0.4%	Utilities
VO Vanguard Mid-Cap ETF	$10,854,191	$389,120 ▲	3.7%	138,411	0.4%	ETF
FLOT iShares Floating Rate Bond ETF	$10,764,914	$407,634 ▲	3.9%	210,870	0.4%	ETF
VTI Vanguard Total Stock Market ETF	$10,619,808	$130,610 ▼	-1.2%	28,377	0.4%	ETF
MDY SPDR S&P MidCap 400 ETF Trust	$9,448,086	$29,552 ▲	0.3%	14,387	0.4%	ETF
CHD Church & Dwight	$9,312,328	$8,009 ▲	0.1%	98,836	0.4%	Consumer Staples
WTW Willis Towers Watson Public	$8,929,366	$102,610 ▼	-1.1%	30,980	0.3%	Finance
GWW W.W. Grainger	$8,765,167	$43,602 ▲	0.5%	7,036	0.3%	Industrials
UNH UnitedHealth Group	$8,463,397	$574,113 ▼	-6.4%	23,056	0.3%	Healthcare
DHR Danaher	$8,315,437	$80,866 ▼	-1.0%	37,533	0.3%	Healthcare
MRK Merck & Co., Inc.	$8,081,125	$28,626 ▼	-0.4%	55,613	0.3%	Healthcare
CBOE Cboe Global Markets	$8,052,783	$53,682 ▼	-0.7%	29,252	0.3%	Finance
AGG iShares Core U.S. Aggregate Bond ETF	$7,964,333	$24,959 ▲	0.3%	84,243	0.3%	ETF
HD Home Depot	$7,894,028	$9,412,920 ▼	-54.4%	27,748	0.3%	Consumer Discretionary
CM Canadian Imperial Bank of Commerce	$7,755,350		0.0%	70,388	0.3%	Finance
UBER Uber Technologies	$7,580,015	$11,032,576 ▼	-59.3%	110,641	0.3%	Industrials
AMGN Amgen	$7,555,145	$410,129 ▼	-5.1%	17,924	0.3%	Healthcare
BX Blackstone	$7,419,349	$36,990 ▼	-0.5%	66,191	0.3%	Finance
DELL Dell Technologies	$7,390,895	$1,335,730 ▼	-15.3%	13,739	0.3%	Technology
MU Micron Technology	$7,128,782	$203,436 ▲	2.9%	6,693	0.3%	Technology
SUB iShares Short-Term National Muni Bond ETF	$7,113,110	$175,627 ▼	-2.4%	68,042	0.3%	ETF
VTEB Vanguard Tax-Exempt Bond ETF	$6,781,431	$443,337 ▼	-6.1%	143,189	0.3%	ETF
GE VERNOVA INC	$6,614,460	$90,297 ▲	1.4%	6,959	0.3%	COM
PG Procter & Gamble	$6,600,193	$19,758 ▲	0.3%	45,431	0.3%	Consumer Staples
MCD McDonald's	$6,058,018	$498,138 ▼	-7.6%	26,232	0.2%	Consumer Discretionary
ETN Eaton	$6,043,012	$254,388 ▲	4.4%	14,063	0.2%	Industrials
APD Air Products and Chemicals	$5,984,171	$169,164 ▲	2.9%	21,508	0.2%	Materials
SBUX Starbucks	$5,846,098	$156,819 ▼	-2.6%	62,219	0.2%	Consumer Discretionary
LINDE PLC	$5,593,751	$52,212 ▲	0.9%	11,785	0.2%	SHS
VTV Vanguard Value ETF	$5,578,537	$160,980 ▼	-2.8%	25,817	0.2%	ETF
PFE Pfizer	$5,464,632	$77,289 ▼	-1.4%	191,607	0.2%	Healthcare
FBND Fidelity Total Bond ETF	$5,404,490	$199,180 ▲	3.8%	124,815	0.2%	ETF
TJX TJX Companies	$5,369,404	$26,991 ▼	-0.5%	40,582	0.2%	Consumer Discretionary
TFC Truist Financial	$5,144,162	$94,221 ▼	-1.8%	111,105	0.2%	Finance
JPIE JPMorgan Income ETF	$4,995,360	$1,049,977 ▲	26.6%	111,280	0.2%	ETF
IBB iShares Biotechnology ETF	$4,980,433	$43,158 ▼	-0.9%	23,657	0.2%	ETF
EMR Emerson Electric	$4,936,988		0.0%	31,831	0.2%	Industrials
ABBV AbbVie	$4,881,793	$330,127 ▼	-6.3%	18,662	0.2%	Healthcare
MCK McKesson	$4,858,179	$506,309 ▲	11.6%	5,690	0.2%	Healthcare
NFLX Netflix	$4,847,291	$2,423,472 ▼	-33.3%	69,665	0.2%	Communication Services
JPST JPMorgan Ultra-Short Income ETF	$4,836,783	$164,962 ▲	3.5%	96,025	0.2%	ETF
BLACKROCK INC	$4,664,942	$55,031 ▼	-1.2%	4,408	0.2%	COM
CWI SPDR MSCI ACWI ex-US ETF	$4,630,663	$690,809 ▲	17.5%	114,592	0.2%	ETF
NVS Novartis	$4,570,795	$49,900 ▼	-1.1%	32,060	0.2%	Healthcare

Showing largest 100 holdings. View all holdings.

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Chesley Taft & Associates LLC Top Holdings and 13F Report (2026)

About Chesley Taft & Associates LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

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Chesley Taft & Associates LLC Top Holdings and 13F Report (2026)

About Chesley Taft & Associates LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofChesley Taft & Associates LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools