Q2 2026 13F · SEC CIK 1164632

Chesley Taft & Associates LLC

Wealth managerFiled 2026-07-08 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $2.6B
Reported positions: 369
Top holdings a year, 3 yrs: +21.6%
Assets under management: $3.0B

Chesley Taft & Associates LLC is a wealth manager that reported 369 positions worth $2.6B in its Q2 2026 13F, filed 2026-07-08. Its largest holdings were Alphabet Inc (GOOG, 5.8%), Nvidia Corporation Com (NVDA, 3.6%), Apple Inc (AAPL, 3.2%). A portfolio copying its top holdings returned 21.6% a year over the last 3 years, against 20.4% for the S&P 500.

Chesley Taft & Associates LLC holdings largest 50 of 369 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Chesley Taft & Associates LLC 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
GOOGAlphabet Inc	5.8%	5.1%	418,449	-1.8%	$147.9M
NVDANvidia Corporation Com	3.6%	3.5%	464,689	-1.8%	$93.0M
AAPLApple Inc	3.2%	3.0%	284,343	-0.0%	$82.3M
AMZNAmazon Com Inc Com	3.2%	3.0%	340,030	+0.1%	$81.0M
MSFTMicrosoft Corp	3.2%	3.7%	217,171	-8.8%	$81.0M
AVGOBroadcom Inc	3.1%	2.8%	212,959	-2.5%	$80.4M
PANWPalo Alto Networks Inc	2.4%	1.3%	182,105	-5.4%	$62.1M
COSTCostco Whsl Corp New	2.4%	2.8%	66,032	-1.8%	$61.8M
JPMJpmorgan Chase & Co	2.2%	2.2%	171,069	-2.3%	$56.0M
IJRIshares Core S&p Small Cap ETF	2.1%	1.9%	371,712	+0.4%	$55.1M
JNJJohnson & Johnson	2.1%	2.2%	209,735	-0.5%	$53.3M
IXUSIshares Core Msci Total International St	2.0%	1.9%	540,179	+3.6%	$51.6M
IJHIshares Tr	1.8%	1.7%	602,154	-0.3%	$46.4M
SPYSpdr S&p 500 ETF Tr	1.8%	1.7%	61,466	-1.6%	$45.9M
SYKStryker Corporation	1.7%	1.9%	138,749	-0.3%	$43.7M
VVisa Inc Com Cl A	1.6%	1.5%	122,542	-0.0%	$42.0M
GOOGLAlphabet Inc	1.4%	1.2%	100,825	-2.7%	$36.0M
APHAmphenol Corp	1.4%	1.1%	202,062	-2.0%	$35.6M
CBChubb Limited Com	1.4%	1.4%	103,675	+1.1%	$35.3M
GLDSpdr Gold Shares	1.3%	1.7%	93,673	-2.2%	$34.5M
AXPAmerican Express Co Com	1.1%	1.1%	81,938	-1.5%	$27.7M
MAMastercard Inc.	1.0%	1.1%	50,518	+0.2%	$25.9M
ABTAbbott Laboratories	1.0%	1.0%	279,684	+15.3%	$25.4M
VEAVanguard Tax-Managed Fds	1.0%	0.9%	355,041	+4.6%	$25.3M
IVVIshares Core S&p 500 ETF	1.0%	0.8%	33,396	+9.9%	$25.0M
LLYLilly Eli & Co	0.9%	0.8%	20,347	-0.4%	$24.4M
RTXRtx Corporation Com	0.9%	1.0%	124,452	+2.7%	$23.6M
VEUVanguard FTSE All	0.9%	0.8%	263,320	+0.7%	$22.1M
PEPPepsico Inc	0.9%	1.1%	162,052	-2.9%	$21.9M
COFCapital One Financial Corp	0.8%	0.8%	108,726	+6.7%	$21.8M
KOCoca Cola Co	0.8%	0.9%	267,641	-2.2%	$21.8M
ORCLOracle Corp	0.8%	0.9%	147,204	-1.1%	$21.6M
HDHome Depot Inc Com	0.8%	0.9%	60,835	-6.3%	$21.5M
CCitigroup Inc Com New	0.8%	0.7%	152,055	+2.1%	$21.3M
TMOThermo Fisher Scientific Inc	0.8%	0.9%	42,333	+1.1%	$21.2M
AZOAutozone Inc	0.8%	0.9%	6,569	+1.2%	$21.0M
METAMeta Platforms Inc Class A	0.8%	0.9%	37,262	-0.3%	$21.0M
WMWaste Mgmt Inc Del	0.8%	0.9%	92,482	+0.6%	$20.6M
ITWIllinois Tool Works Inc.	0.8%	0.8%	74,412	-4.5%	$20.1M
UBERUber Technologies Inc	0.8%	0.7%	271,677	+19.9%	$19.6M
EQTEQT Corp	0.7%	0.9%	343,445	-0.2%	$18.3M
WFCWells Fargo Co New	0.7%	0.7%	219,282	-0.9%	$18.1M
XOMExxon Mobil Corp	0.7%	1.0%	129,699	-3.7%	$17.7M
JMUBJ P Morgan Exchange Traded F	0.6%	0.6%	312,202	+11.2%	$15.8M
AZNAstrazeneca PLC Ord	0.6%	0.7%	81,276	+3.1%	$15.4M
MUBIshares National Muni Bond ETF	0.6%	0.6%	138,943	-0.3%	$15.0M
JMSTJ P Morgan Exchange Traded F	0.6%	—	285,335	—	$14.6M
EFAiShs MSCI EAFE	0.5%	0.6%	135,426	+0.0%	$14.1M
DISDisney Walt Co	0.5%	0.6%	144,873	-2.6%	$13.9M
XLFSelect Sector Spdr Tr	0.5%	—	253,912	—	$13.6M

What Chesley Taft & Associates LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

UBER Uber Technologies Inc+19.9% shares
ABT Abbott Laboratories+15.3% shares
JMUB J P Morgan Exchange Traded F+11.2% shares
IVV Ishares Core S&p 500 ETF+9.9% shares
COF Capital One Financial Corp+6.7% shares

Reduced

Left the top 50

HON Honeywell Intl Incwas 0.9%
ACN Accenture PLC Ireland Shs Class Awas 0.8%

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +22.4% /yr; S&P 500 +20.1%
3 years: +21.6% /yr; S&P 500 +20.4%
5 years: +11.3% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$2.6B	369
Q1 2026	$2.4B	370
Q4 2025	$2.5B	371
Q3 2025	$2.4B	348
Q2 2025	$2.2B	334
Q1 2025	$2.1B	330
Q4 2024	$2.2B	326
Q3 2024	$2.1B	323
Q2 2024	$2.0B	309
Q1 2024	$2.0B	311
Q4 2023	$1.8B	301
Q3 2023	$1.5B	289

Questions about Chesley Taft & Associates LLC's portfolio

What stocks does Chesley Taft & Associates LLC own?

Chesley Taft & Associates LLC's latest 13F, for Q2 2026 and filed Jul 8, 2026, lists 369 positions worth $2.6B. The largest are Alphabet Inc (GOOG) at 5.8%, Nvidia Corporation Com (NVDA) at 3.6%, Apple Inc (AAPL) at 3.2%, Amazon Com Inc Com (AMZN) at 3.2% and Microsoft Corp (MSFT) at 3.2%.

What did Chesley Taft & Associates LLC buy last quarter?

In Q2 2026, Chesley Taft & Associates LLC added Uber Technologies Inc (UBER) (+19.9% shares), Abbott Laboratories (ABT) (+15.3% shares) and J P Morgan Exchange Traded F (JMUB) (+11.2% shares), compared with its Q1 2026 filing.

What did Chesley Taft & Associates LLC sell last quarter?

In Q2 2026, Chesley Taft & Associates LLC cut from its top 50 Honeywell Intl Inc (HON), cut from its top 50 Accenture PLC Ireland Shs Class A (ACN), Microsoft Corp (MSFT) (-8.8% shares), Home Depot Inc Com (HD) (-6.3% shares) and Palo Alto Networks Inc (PANW) (-5.4% shares), compared with its Q1 2026 filing.

How has Chesley Taft & Associates LLC's portfolio performed?

A portfolio copying Chesley Taft & Associates LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +21.6% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +22.4% against +20.1%. Over 5 years: +11.3% a year against +11.6%.

When is Chesley Taft & Associates LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. Chesley Taft & Associates LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Chesley Taft & Associates LLC manage?

Chesley Taft & Associates LLC reported $3.0B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $2.6B.