Chesley Taft & Associates LLC

Portfolio Overview

Chesley Taft & Associates LLC disclosed 369 positions worth $2.6B in its Form 13F-HR for Q2 2026, led by $GOOGL (Alphabet Inc.) at 5.8% of the equity portfolio, followed by $NVDA and $AAPL. During the quarter the fund opened 18 new positions and exited 19 — including a new stake in $AMD and a full exit from $HON. The portfolio is most concentrated in Technology (31.9% of disclosed assets). All figures are sourced directly from Chesley Taft & Associates LLC’s Form 13F-HR filing with the SEC under CIK 1164632.

• 

  Alphabet Inc.

  $GOOGL

  78.2#57

  Quality

  $147.9M418,449 sh
• 

  NVIDIA CORP

  $NVDA

  85.9#5

  Quality

  $93.0M464,689 sh
• 

  Apple Inc.

  $AAPL

  76.4#84

  Quality

  $82.3M284,343 sh
• 

  AMAZON COM INC

  $AMZN

  68.7

  Quality

  $81.0M340,030 sh
• 

  MICROSOFT CORP

  $MSFT

  79.8

  Quality

  $81.0M217,171 sh
• 

  Broadcom Inc.

  $AVGO

  84.5

  Quality

  $80.4M212,959 sh
• 

  Palo Alto Networks Inc

  $PANW

  65.5

  Quality

  $62.1M182,105 sh
• 

  COSTCO WHOLESALE CORP /NEW

  $COST

  66.2

  Quality

  $61.8M66,032 sh
• 

  JPMORGAN CHASE & CO

  $JPM

  70.7

  Quality

  $56.0M171,069 sh

• ISHARES TR - CORE S&P SCP ETF

  —

  Quality

  $55.1M371,712 sh

Company	Quality	Value	Shares
Alphabet Inc.$GOOGL	78.2#57	$147.9M	418,449
NVIDIA CORP$NVDA	85.9#5	$93.0M	464,689
Apple Inc.$AAPL	76.4#84	$82.3M	284,343
AMAZON COM INC$AMZN	68.7	$81.0M	340,030
MICROSOFT CORP$MSFT	79.8	$81.0M	217,171
Broadcom Inc.$AVGO	84.5	$80.4M	212,959
Palo Alto Networks Inc$PANW	65.5	$62.1M	182,105
COSTCO WHOLESALE CORP /NEW$COST	66.2	$61.8M	66,032
JPMORGAN CHASE & CO$JPM	70.7	$56.0M	171,069
ISHARES TR - CORE S&P SCP ETF	—	$55.1M	371,712

Showing top 10 of 369 holdings.

Top Holdings — Chesley Taft & Associates LLC (Q2 2026)

Top 150 of 369 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#	Ticker	Company	Value	Weight	QoQ	Quality
1	$GOOGL	Alphabet Inc.	$147.9M	5.8%	-2%	78.2
2	$NVDA	NVIDIA CORP	$93.0M	3.6%	-2%	85.9
3	$AAPL	Apple Inc.	$82.3M	3.2%	-0%	76.4
4	$AMZN	AMAZON COM INC	$81.0M	3.2%	+0%	68.7
5	$MSFT	MICROSOFT CORP	$81.0M	3.1%	-9%	79.8
6	$AVGO	Broadcom Inc.	$80.4M	3.1%	-3%	84.5
7	$PANW	Palo Alto Networks Inc	$62.1M	2.4%	-5%	65.5
8	$COST	COSTCO WHOLESALE CORP /NEW	$61.8M	2.4%	-2%	66.2
9	$JPM	JPMORGAN CHASE & CO	$56.0M	2.2%	-2%	70.7
10	—	ISHARES TR - CORE S&P SCP ETF	$55.1M	2.1%	+0%	—
11	$JNJ	JOHNSON & JOHNSON	$53.3M	2.1%	-0%	69
12	—	ISHARES TR - CORE MSCI TOTAL	$51.6M	2.0%	+4%	—
13	—	ISHARES TR - CORE S&P MCP ETF	$46.4M	1.8%	-0%	—
14	$SPY	SPDR S&P 500 ETF TRUST	$45.9M	1.8%	-2%	—
15	$SYK	STRYKER CORP	$43.7M	1.7%	-0%	72.1
16	$V	VISA INC.	$42.0M	1.6%	-0%	82.9
17	$GOOG	Alphabet Inc.	$36.0M	1.4%	-3%	78.2
18	$APH	AMPHENOL CORP /DE/	$35.6M	1.4%	-2%	79.3
19	$CB	Chubb Ltd	$35.3M	1.4%	+1%	—
20	$GLD	SPDR GOLD TRUST	$34.5M	1.3%	-2%	—
21	$AXP	AMERICAN EXPRESS CO	$27.7M	1.1%	-2%	69.4
22	$MA	Mastercard Inc	$25.9M	1.0%	+0%	85.1
23	$ABT	ABBOTT LABORATORIES	$25.4M	1.0%	+15%	65.5
24	—	VANGUARD TAX-MANAGED FDS - VAN FTSE DEV MKT	$25.3M	1.0%	+5%	—
25	—	ISHARES TR - CORE S&P500 ETF	$25.0M	1.0%	+10%	—
26	$LLY	ELI LILLY & Co	$24.4M	0.9%	-0%	87.5
27	$RTX	RTX Corp	$23.6M	0.9%	+3%	73.2
28	—	VANGUARD INTL EQUITY INDEX F - ALLWRLD EX US	$22.1M	0.9%	+1%	—
29	$PEP	PEPSICO INC	$21.9M	0.8%	-3%	63.4
30	$COF	CAPITAL ONE FINANCIAL CORP	$21.8M	0.8%	+7%	62.4
31	$KO	COCA COLA CO	$21.8M	0.8%	-2%	69.5
32	$ORCL	ORACLE CORP	$21.6M	0.8%	-1%	66.2
33	$HD	HOME DEPOT, INC.	$21.5M	0.8%	-6%	60.3
34	$C	CITIGROUP INC	$21.3M	0.8%	+2%	65
35	$TMO	THERMO FISHER SCIENTIFIC INC.	$21.2M	0.8%	+1%	65.1
36	$AZO	AUTOZONE INC	$21.0M	0.8%	+1%	66.2
37	$META	Meta Platforms, Inc.	$21.0M	0.8%	-0%	79.6
38	$WM	WASTE MANAGEMENT INC	$20.6M	0.8%	+1%	67.6
39	$ITW	ILLINOIS TOOL WORKS INC	$20.1M	0.8%	-4%	63.6
40	$UBER	Uber Technologies, Inc	$19.6M	0.8%	+20%	73.5
41	$EQT	EQT Corp	$18.3M	0.7%	-0%	83.7
42	$WFC	WELLS FARGO & COMPANY/MN	$18.1M	0.7%	-1%	61.8
43	$XOM.R34088	EXXON MOBIL CORP	$17.7M	0.7%	-4%	57.9
44	—	J P MORGAN EXCHANGE TRADED F - MUNICIPAL ETF	$15.8M	0.6%	+11%	—
45	$AZN	ASTRAZENECA PLC	$15.4M	0.6%	+3%	—
46	—	ISHARES TR - NATIONAL MUN ETF	$15.0M	0.6%	-0%	—
47	—	J P MORGAN EXCHANGE TRADED F - ULTRA SHT MUNCPL	$14.6M	0.6%	+24%	—
48	—	ISHARES TR - MSCI EAFE ETF	$14.1M	0.6%	+0%	—
49	$DIS	Walt Disney Co	$13.9M	0.5%	-3%	60.1
50	—	SELECT SECTOR SPDR TR - ST STR FINL ETF	$13.6M	0.5%	+0%	—
51	$UNP	UNION PACIFIC CORP	$13.4M	0.5%	+1%	69.7
52	$CRM	Salesforce, Inc.	$13.3M	0.5%	+97%	77
53	$NEE	NEXTERA ENERGY INC	$12.7M	0.5%	+4%	64.6
54	—	VANGUARD INDEX FDS - SMALL CP ETF	$12.1M	0.5%	+7%	—
55	$ECL	ECOLAB INC.	$11.3M	0.4%	+1%	63.3
56	$ACN	Accenture plc	$11.2M	0.4%	-8%	—
57	—	VANGUARD INDEX FDS - MID CAP ETF	$10.8M	0.4%	+317%	—
58	—	VANGUARD INDEX FDS - TOTAL STK MKT	$10.6M	0.4%	+3%	—
59	—	ISHARES TR - FLTG RATE NT ETF	$10.4M	0.4%	+6%	—
60	$UNH	UNITEDHEALTH GROUP INC	$10.2M	0.4%	-1%	62.7
61	$MDY	SPDR S&P MIDCAP 400 ETF TRUST	$10.1M	0.4%	-0%	—
62	$CHD	CHURCH & DWIGHT CO INC /DE/	$9.6M	0.4%	-1%	58.1
63	$GWW	W.W. GRAINGER, INC.	$9.5M	0.4%	+1%	61.8
64	$ICE	Intercontinental Exchange, Inc.	$9.5M	0.4%	-1%	73.7
65	—	ISHARES TR - CORE US AGGBD ET	$8.3M	0.3%	+4%	—
66	$WTW	WILLIS TOWERS WATSON PLC	$8.2M	0.3%	-3%	—
67	$CM	CANADIAN IMPERIAL BANK OF COMMERCE /CAN/	$8.1M	0.3%	-6%	76.4
68	$GEV	GE Vernova Inc.	$8.1M	0.3%	+3%	81.1
69	$BX	Blackstone Inc.	$7.8M	0.3%	+3%	74.4
70	$CVX	CHEVRON CORP	$7.7M	0.3%	-1%	62.8
71	—	VANGUARD MUN BD FDS - TAX EXEMPT BD	$7.7M	0.3%	+0%	—
72	$MCD	MCDONALDS CORP	$7.7M	0.3%	-2%	69
73	$MU	MICRON TECHNOLOGY INC	$7.5M	0.3%	+113%	86.2
74	$NFLX	NETFLIX INC	$7.5M	0.3%	-1%	78.8
75	—	ISHARES TR - SHRT NAT MUN ETF	$7.4M	0.3%	-0%	—
76	$DHR	DANAHER CORP /DE/	$7.2M	0.3%	+1%	64.8
77	$MRK	Merck & Co., Inc.	$7.2M	0.3%	-5%	59.9
78	$CBOE	Cboe Global Markets, Inc.	$7.1M	0.3%	+3%	79.2
79	$DELL	Dell Technologies Inc.	$7.0M	0.3%	+58%	71.2
80	$AMGN	AMGEN INC	$6.8M	0.3%	-6%	79.2
81	$PG	PROCTER & GAMBLE Co	$6.6M	0.3%	+1%	64.6
82	$SBUX	STARBUCKS CORP	$6.5M	0.3%	-2%	58.2
83	$TJX	TJX COMPANIES INC /DE/	$6.2M	0.2%	-1%	68.7
84	$APD	Air Products & Chemicals, Inc.	$6.1M	0.2%	-2%	46.4
85	$LIN	LINDE PLC	$6.1M	0.2%	+5%	—
86	—	VANGUARD INDEX FDS - VALUE ETF	$5.8M	0.2%	-1%	—
87	$ETN	Eaton Corp plc	$5.7M	0.2%	-0%	—
88	$TFC	TRUIST FINANCIAL CORP	$5.6M	0.2%	-2%	76.4
89	—	FIDELITY MERRIMACK STR TR - TOTAL BD ETF	$5.5M	0.2%	+3%	—
90	$OKE	ONEOK INC /NEW/	$5.4M	0.2%	+0%	71.7
91	$NVS	NOVARTIS AG	$5.1M	0.2%	-1%	—
92	$ABBV	AbbVie Inc.	$5.0M	0.2%	-1%	72.6
93	$GE	GENERAL ELECTRIC CO	$4.8M	0.2%	-0%	73.8
94	$FTV	Fortive Corp	$4.7M	0.2%	-2%	57
95	—	J P MORGAN EXCHANGE TRADED F - ULTRA SHRT ETF	$4.7M	0.2%	+6%	—
96	$PFE	PFIZER INC	$4.7M	0.2%	-5%	62
97	—	VANGUARD BD INDEX FDS - TOTAL BND MRKT	$4.6M	0.2%	+3%	—
98	$EMR	EMERSON ELECTRIC CO	$4.6M	0.2%	+11%	65.3
99	—	ISHARES TR - ISHARES BIOTECH	$4.5M	0.2%	+0%	—
100	$WELL	WELLTOWER INC.	$4.4M	0.2%	+1%	59.8
101	$IBM	INTERNATIONAL BUSINESS MACHINES CORP	$4.4M	0.2%	-1%	70
102	$AMAT	APPLIED MATERIALS INC /DE	$4.4M	0.2%	-15%	72.3
103	—	VANGUARD INTL EQUITY INDEX F - FTSE EMR MKT ETF	$4.4M	0.2%	+6%	—
104	$TMUS	T-Mobile US, Inc.	$4.3M	0.2%	-1%	69.1
105	$SHW	SHERWIN WILLIAMS CO	$4.3M	0.2%	+0%	61.3
106	$BLK	BlackRock, Inc.	$4.3M	0.2%	+0%	70
107	$TXN	TEXAS INSTRUMENTS INC	$4.2M	0.2%	+10%	73.4
108	—	ISHARES TR - ISHS 1-5YR INVS	$4.2M	0.2%	+2%	—
109	$LOW	LOWES COMPANIES INC	$4.2M	0.2%	+9%	60.8
110	$URI	UNITED RENTALS, INC.	$4.2M	0.2%	-4%	63.9
111	$INTC	INTEL CORP	$4.1M	0.2%	+1%	45.6
112	$NTRS	NORTHERN TRUST CORP	$4.1M	0.2%	-2%	65.2
113	—	J P MORGAN EXCHANGE TRADED F - INCOME ETF	$4.0M	0.2%	+6%	—
114	—	VANGUARD MALVERN FDS - STRM INFPROIDX	$4.0M	0.2%	+12%	—
115	$STT	STATE STREET CORP	$4.0M	0.1%	+13%	71.5
116	—	ISHARES TR - ISHS 5-10YR INVT	$3.9M	0.1%	+5%	—
117	$MCK	MCKESSON CORP	$3.9M	0.1%	-1%	63.4
118	$ADP	AUTOMATIC DATA PROCESSING INC	$3.9M	0.1%	-2%	69.8
119	$CSL	CARLISLE COMPANIES INC	$3.7M	0.1%	+81%	59.4
120	—	SCHWAB STRATEGIC TR - US BRD MKT ETF	$3.7M	0.1%	-2%	—
121	—	VANGUARD INTL EQUITY INDEX F - FTSE EUROPE ETF	$3.6M	0.1%	-2%	—
122	—	ISHARES TR - CORE MSCI EAFE	$3.5M	0.1%	+0%	—
123	$STT	STATE STREET CORP	$3.5M	0.1%	+1%	71.5
124	—	VANGUARD BD INDEX FDS - VANGUARD ULTRA	$3.4M	0.1%	+4%	—
125	$WY	WEYERHAEUSER CO	$3.4M	0.1%	-7%	51.3
126	$FSLR	FIRST SOLAR, INC.	$3.4M	0.1%	+2%	79.2
127	—	ISHARES TR - 0-5 YR TIPS ETF	$3.2M	0.1%	+7%	—
128	$QCOM	QUALCOMM INC/DE	$3.2M	0.1%	+8%	70.5
129	$PGR	PROGRESSIVE CORP/OH/	$3.1M	0.1%	-30%	80.1
130	$CSCO	CISCO SYSTEMS, INC.	$3.1M	0.1%	+1%	70.3
131	—	ISHARES TR - RUS 1000 GRW ETF	$2.9M	0.1%	+270%	—
132	$AMD	ADVANCED MICRO DEVICES INC	$2.9M	0.1%	NEW	79.8
133	$SPGI	S&P Global Inc.	$2.9M	0.1%	-15%	76.1
134	$KLAC	KLA CORP	$2.9M	0.1%	+608%	78.6
135	—	ISHARES TR - 3 7 YR TREAS BD	$2.8M	0.1%	+5%	—
136	—	ISHARES TR - ULTRA SHORT DUR	$2.7M	0.1%	-18%	—
137	$CAT	CATERPILLAR INC	$2.6M	0.1%	+5%	66.5
138	—	ISHARES TR - IBONDS DEC 29	$2.6M	0.1%	+11%	—
139	—	ISHARES INC - MSCI JAPAN ETF	$2.6M	0.1%	+3%	—
140	—	VANGUARD INDEX FDS - S&P 500 ETF SHS	$2.6M	0.1%	+0%	—
141	$ADBE	ADOBE INC.	$2.6M	0.1%	-49%	77.6
142	—	ISHARES TR - IBDS DEC28 ETF	$2.6M	0.1%	+6%	—
143	$EW	Edwards Lifesciences Corp	$2.5M	0.1%	+0%	69.4
144	—	ISHARES TR - 1 3 YR TREAS BD	$2.5M	0.1%	+2%	—
145	—	ISHARES INC - CORE MSCI EMKT	$2.5M	0.1%	-0%	—
146	$AFL	AFLAC INC	$2.5M	0.1%	+0%	61.3
147	$GLW	CORNING INC /NY	$2.5M	0.1%	-17%	73.7
148	$AMP	AMERIPRISE FINANCIAL INC	$2.4M	0.1%	-0%	68.7
149	$HSY	HERSHEY CO	$2.4M	0.1%	-0%	65.7
150	$VRT	Vertiv Holdings Co	$2.4M	0.1%	-12%	81