CHESLEY TAFT & ASSOCIATES LLC

PrivateCIK: 1164632

Location

CHICAGO, IL

369

Positions

$2.57B

Total AUM (reported)

16.93M

Total Shares

Allocation by class

COM$1.52B59.3%

CAP STK CL C$147.85M5.8%

CL A$92.71M3.6%

CORE S&P SCP ETF$55.13M2.1%

CORE MSCI TOTAL$51.55M2.0%

COM CL A$47.13M1.8%

CORE S&P MCP ETF$46.43M1.8%

Portfolio Concentration

Top 3$323.11M12.6%

4–10$477.49M18.6%

11–25$553.72M21.6%

Rest$1.21B47.3%

Top 3 weight

12.6%

Top 10 weight

31.2%

Voting Authority Distribution

Total shares with voting rights: 16.93M

Sole

Full voting authority

14.35M

% of voting shares84.7%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

2.58M

% of voting shares15.3%

Investment Discretion (by position count)

Sole231

Shared0

Other138

Dominant voting typeSole · 84.7% of voting shares

Institutional Holdings369

Rows:

ALPHABET INC

SOLE

CAP STK CL C

Shares418.45K

TypeSH

Market value$147.85M

5.76%

Sole

320.59K

Shared

0.00

None

97.86K

NVIDIA CORPORATION

SOLE

COM

Shares464.69K

TypeSH

Market value$92.98M

3.62%

Sole

347.66K

Shared

0.00

None

117.03K

APPLE INC

OTR

COM

Shares284.34K

TypeSH

Market value$82.28M

3.20%

Sole

238.63K

Shared

0.00

None

45.71K

AMAZON COM INC

OTR

COM

Shares340.03K

TypeSH

Market value$81.04M

3.16%

Sole

281.14K

Shared

0.00

None

58.89K

MICROSOFT CORP

SOLE

COM

Shares217.17K

TypeSH

Market value$81.01M

3.15%

Sole

161.95K

Shared

0.00

None

55.22K

BROADCOM INC

SOLE

COM

Shares212.96K

TypeSH

Market value$80.45M

3.13%

Sole

186.49K

Shared

0.00

None

26.47K

PALO ALTO NETWORKS INC

SOLE

COM

Shares182.10K

TypeSH

Market value$62.10M

2.42%

Sole

141.46K

Shared

0.00

None

40.65K

COSTCO WHOLESALE CORPORATION

SOLE

COM

Shares66.03K

TypeSH

Market value$61.77M

2.41%

Sole

53.89K

Shared

0.00

None

12.14K

JPMORGAN CHASE & CO

SOLE

COM

Shares171.07K

TypeSH

Market value$56.00M

2.18%

Sole

141.55K

Shared

0.00

None

29.52K

ISHARES TR

OTR

CORE S&P SCP ETF

Shares371.71K

TypeSH

Market value$55.13M

2.15%

Sole

311.94K

Shared

0.00

None

59.77K

JOHNSON & JOHNSON

OTR

COM

Shares209.74K

TypeSH

Market value$53.27M

2.07%

Sole

143.94K

Shared

0.00

None

65.80K

ISHARES TR

SOLE

CORE MSCI TOTAL

Shares540.18K

TypeSH

Market value$51.55M

2.01%

Sole

481.06K

Shared

0.00

None

59.12K

ISHARES TR

SOLE

CORE S&P MCP ETF

Shares602.15K

TypeSH

Market value$46.43M

1.81%

Sole

508.18K

Shared

0.00

None

93.97K

STATE STR SPDR S&P 500 ETF T

OTR

TR UNIT

Shares61.47K

TypeSH

Market value$45.90M

1.79%

Sole

53.30K

Shared

0.00

None

8.17K

STRYKER CORPORATION

OTR

COM

Shares138.75K

TypeSH

Market value$43.68M

1.70%

Sole

93.89K

Shared

0.00

None

44.86K

VISA INC

OTR

COM CL A

Shares122.54K

TypeSH

Market value$42.04M

1.64%

Sole

107.69K

Shared

0.00

None

14.85K

ALPHABET INC

SOLE

CAP STK CL A

Shares100.83K

TypeSH

Market value$36.03M

1.40%

Sole

81.73K

Shared

0.00

None

19.09K

AMPHENOL CORP

OTR

CL A

Shares202.06K

TypeSH

Market value$35.63M

1.39%

Sole

182.55K

Shared

0.00

None

19.52K

CHUBB LIMITED

OTR

COM

Shares103.67K

TypeSH

Market value$35.33M

1.38%

Sole

76.74K

Shared

0.00

None

26.93K

SPDR GOLD TR

OTR

GOLD SHS

Shares93.67K

TypeSH

Market value$34.51M

1.34%

Sole

70.04K

Shared

0.00

None

23.64K

AMERICAN EXPRESS CO

OTR

COM

Shares81.94K

TypeSH

Market value$27.72M

1.08%

Sole

63.51K

Shared

0.00

None

18.43K

MASTERCARD INCORPORATED

OTR

CL A

Shares50.52K

TypeSH

Market value$25.95M

1.01%

Sole

38.98K

Shared

0.00

None

11.54K

ABBOTT LABORATORIES

SOLE

COM

Shares279.68K

TypeSH

Market value$25.38M

0.99%

Sole

179.43K

Shared

0.00

None

100.26K

VANGUARD TAX-MANAGED FDS

SOLE

VAN FTSE DEV MKT

Shares355.04K

TypeSH

Market value$25.30M

0.98%

Sole

352.60K

Shared

0.00

None

2.44K

ISHARES TR

OTR

CORE S&P500 ETF

Shares33.40K

TypeSH

Market value$25.01M

0.97%

Sole

29.73K

Shared

0.00

None

3.67K

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
ALPHABET INCSOLE	CAP STK CL C	418.45K	SH	$147.85M 5.76%	320.59K	97.86K
NVIDIA CORPORATIONSOLE	COM	464.69K	SH	$92.98M 3.62%	347.66K	117.03K
APPLE INCOTR	COM	284.34K	SH	$82.28M 3.20%	238.63K	45.71K
AMAZON COM INCOTR	COM	340.03K	SH	$81.04M 3.16%	281.14K	58.89K
MICROSOFT CORPSOLE	COM	217.17K	SH	$81.01M 3.15%	161.95K	55.22K
BROADCOM INCSOLE	COM	212.96K	SH	$80.45M 3.13%	186.49K	26.47K
PALO ALTO NETWORKS INCSOLE	COM	182.10K	SH	$62.10M 2.42%	141.46K	40.65K
COSTCO WHOLESALE CORPORATIONSOLE	COM	66.03K	SH	$61.77M 2.41%	53.89K	12.14K
JPMORGAN CHASE & COSOLE	COM	171.07K	SH	$56.00M 2.18%	141.55K	29.52K
ISHARES TROTR	CORE S&P SCP ETF	371.71K	SH	$55.13M 2.15%	311.94K	59.77K
JOHNSON & JOHNSONOTR	COM	209.74K	SH	$53.27M 2.07%	143.94K	65.80K
ISHARES TRSOLE	CORE MSCI TOTAL	540.18K	SH	$51.55M 2.01%	481.06K	59.12K
ISHARES TRSOLE	CORE S&P MCP ETF	602.15K	SH	$46.43M 1.81%	508.18K	93.97K
STATE STR SPDR S&P 500 ETF TOTR	TR UNIT	61.47K	SH	$45.90M 1.79%	53.30K	8.17K
STRYKER CORPORATIONOTR	COM	138.75K	SH	$43.68M 1.70%	93.89K	44.86K
VISA INCOTR	COM CL A	122.54K	SH	$42.04M 1.64%	107.69K	14.85K
ALPHABET INCSOLE	CAP STK CL A	100.83K	SH	$36.03M 1.40%	81.73K	19.09K
AMPHENOL CORPOTR	CL A	202.06K	SH	$35.63M 1.39%	182.55K	19.52K
CHUBB LIMITEDOTR	COM	103.67K	SH	$35.33M 1.38%	76.74K	26.93K
SPDR GOLD TROTR	GOLD SHS	93.67K	SH	$34.51M 1.34%	70.04K	23.64K
AMERICAN EXPRESS COOTR	COM	81.94K	SH	$27.72M 1.08%	63.51K	18.43K
MASTERCARD INCORPORATEDOTR	CL A	50.52K	SH	$25.95M 1.01%	38.98K	11.54K
ABBOTT LABORATORIESSOLE	COM	279.68K	SH	$25.38M 0.99%	179.43K	100.26K
VANGUARD TAX-MANAGED FDSSOLE	VAN FTSE DEV MKT	355.04K	SH	$25.30M 0.98%	352.60K	2.44K
ISHARES TROTR	CORE S&P500 ETF	33.40K	SH	$25.01M 0.97%	29.73K	3.67K

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