2026 Q3 Portfolio Activity
In 2026 Q3, Chesley Taft & Associates LLC maintained a portfolio of 382 distinct positions. The most significant new addition was HONEYWELL AEROSPACE INC, now representing 0.56% of the total fund value. They heavily accumulated shares in CHEVRON CORPORATION, increasing the position by 30.1%. Conversely, Chesley Taft & Associates LLC completely exited their position in EXXON MOBIL CORP.
Position History
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Total Positions
382
Quarter
2026 Q3
Top Holding
GOOG (5.4%)
Top 10 Concentration
32.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 382
Chesley Taft & Associates LLC Full Holdings List — 2026 Q3
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GOOG
ALPHABET INC
|
Communication Services | 5.45% | 5.76% |
#1
Prev: #1
|
4.7 |
—
|
-9,325 | -2.2% |
P
S
|
409,124 | $139,404,937 | 2008 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 4.28% | 3.15% |
#2
3
Prev: #5
|
3.7 |
—
|
-3,425 | -1.6% |
P
S
|
213,746 | $109,630,551 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 4.13% | 3.62% |
#3
1
Prev: #2
|
3.2 |
—
|
-1,422 | -0.3% |
P
S
|
463,267 | $105,800,910 | 2018 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AAPL
APPLE INC
|
Technology | 3.63% | 3.20% |
#4
1
Prev: #3
|
2.5 |
—
|
-5,390 | -1.9% |
P
S
|
278,953 | $92,896,912 | 2005 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 3.28% | 3.16% |
#5
1
Prev: #4
|
2.3 |
—
|
-3,255 | -1.0% |
P
S
|
336,775 | $83,907,491 | 2011 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AVGO
BROADCOM INC
|
Technology | 2.90% | 3.13% |
#6
Prev: #6
|
1.7 |
—
|
-1,928 | -0.9% |
P
S
|
211,031 | $74,111,977 | 2016 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 2.44% | 2.42% |
#7
Prev: #7
|
1.5 |
—
|
-24,951 | -13.7% |
P
S
|
157,154 | $62,438,856 | 2014 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
COST
COSTCO WHOLESAL...
|
Consumer Defensive | 2.31% | 2.41% |
#8
Prev: #8
|
1.4 |
—
|
-1,081 | -1.6% |
P
S
|
64,951 | $59,127,494 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
JPM
JPMORGAN CHASE ...
|
Financial Services | 2.18% | 2.18% |
#9
Prev: #9
|
1.4 |
—
|
-2,322 | -1.4% |
P
S
|
168,747 | $55,826,570 | 2010 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
JNJ
JOHNSON & JOHNS...
|
Healthcare | 2.16% | 2.07% |
#10
1
Prev: #11
|
1.4 |
—
|
-1,396 | -0.7% |
P
S
|
208,339 | $55,155,667 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
IXUS
ISHARES TR
|
ETF | 2.04% | 2.01% |
#11
1
Prev: #12
|
1.3 |
—
|
10,505 | 1.9% |
P
S
|
550,684 | $52,309,473 | 2020 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
IJR
ISHARES TR
|
ETF | 1.95% | 2.15% |
#12
2
Prev: #10
|
1.3 |
—
|
-4,934 | -1.3% |
P
S
|
366,778 | $49,896,426 | 2003 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
SPY
STATE STR SPDR ...
|
ETF | 1.81% | 1.79% |
#13
1
Prev: #14
|
1.2 |
—
|
-817 | -1.3% |
P
S
|
60,649 | $46,252,734 | 2003 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
V
VISA INC
|
Financial Services | 1.71% | 1.64% |
#14
2
Prev: #16
|
1.2 |
—
|
-1,106 | -0.9% |
P
S
|
121,436 | $43,635,598 | 2009 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
IJH
ISHARES TR
|
ETF | 1.69% | 1.81% |
#15
2
Prev: #13
|
1.2 |
—
|
-527 | -0.1% |
P
S
|
601,627 | $43,287,061 | 2003 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
SYK
STRYKER CORPORA...
|
Healthcare | 1.48% | 1.70% |
#16
1
Prev: #15
|
1.1 |
—
|
-769 | -0.6% |
P
S
|
137,980 | $37,998,312 | 2005 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
GLD
SPDR GOLD TR
|
ETF | 1.48% | 1.34% |
#17
3
Prev: #20
|
2.6 |
—
|
5,683 | 6.1% |
P
S
|
99,356 | $37,838,739 | 2009 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 1.33% | 1.40% |
#18
1
Prev: #17
|
1.0 |
—
|
-2,158 | -2.1% |
P
S
|
98,667 | $33,949,269 | 2015 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
CB
CHUBB LIMITED
|
Financial Services | 1.32% | 1.38% |
#19
Prev: #19
|
1.0 |
—
|
539 | 0.5% |
P
S
|
104,214 | $33,895,604 | 2012 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
APH
AMPHENOL CORP
|
Technology | 1.30% | 1.39% |
#20
2
Prev: #18
|
3.5 |
—
|
191,288 | 94.7% |
P
S
|
393,350 | $33,159,405 | 2006 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 1.12% | 0.83% |
#21
14
Prev: #35
|
0.9 |
—
|
-55 | -0.1% |
P
S
|
42,278 | $28,539,764 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 1.10% | 1.01% |
#22
Prev: #22
|
0.9 |
—
|
300 | 0.6% |
P
S
|
50,818 | $28,024,602 | 2012 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
ABT
ABBOTT LABORATO...
|
Healthcare | 1.09% | 0.99% |
#23
Prev: #23
|
0.9 |
—
|
2,835 | 1.0% |
P
S
|
282,519 | $27,921,358 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
META
META PLATFORMS ...
|
Communication Services | 1.03% | 0.82% |
#24
13
Prev: #37
|
0.9 |
—
|
-868 | -2.3% |
P
S
|
36,394 | $26,392,201 | 2013 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
VEA
VANGUARD TAX-MA...
|
ETF | 1.00% | 0.98% |
#25
1
Prev: #24
|
0.9 |
—
|
6,071 | 1.7% |
P
S
|
361,112 | $25,498,119 | 2012 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AXP
AMERICAN EXPRES...
|
Financial Services | 0.97% | 1.08% |
#26
5
Prev: #21
|
0.9 |
—
|
-695 | -0.8% |
P
S
|
81,243 | $24,705,940 | 2004 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
IVV
ISHARES TR
|
ETF | 0.93% | 0.97% |
#27
2
Prev: #25
|
0.9 |
—
|
-2,205 | -6.6% |
P
S
|
31,191 | $23,887,750 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
LLY
ELI LILLY & CO
|
Healthcare | 0.92% | 0.95% |
#28
2
Prev: #26
|
0.9 |
—
|
-45 | -0.2% |
P
S
|
20,302 | $23,491,038 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
RTX
RTX CORPORATION
|
Industrials | 0.91% | 0.92% |
#29
2
Prev: #27
|
0.9 |
—
|
1,351 | 1.1% |
P
S
|
125,803 | $23,355,327 | 2020 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
KO
COCA COLA CO
|
Consumer Defensive | 0.89% | 0.85% |
#30
1
Prev: #31
|
0.9 |
—
|
-3,495 | -1.3% |
P
S
|
264,146 | $22,737,675 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
VEU
VANGUARD INTL E...
|
ETF | 0.84% | 0.86% |
#31
3
Prev: #28
|
0.8 |
—
|
-3,526 | -1.3% |
P
S
|
259,794 | $21,555,108 | 2008 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
COF
CAPITAL ONE FIN...
|
Financial Services | 0.84% | 0.85% |
#32
2
Prev: #30
|
0.8 |
—
|
2,188 | 2.0% |
P
S
|
110,914 | $21,414,166 | 2004 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
ORCL
ORACLE CORP
|
Technology | 0.78% | 0.84% |
#33
1
Prev: #32
|
0.8 |
—
|
-939 | -0.6% |
P
S
|
146,265 | $20,082,185 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
PEP
PEPSICO INC
|
Consumer Defensive | 0.78% | 0.85% |
#34
5
Prev: #29
|
0.8 |
—
|
-4,188 | -2.6% |
P
S
|
157,864 | $20,004,526 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
C
CITIGROUP INC
|
Financial Services | 0.77% | 0.83% |
#35
1
Prev: #34
|
0.8 |
—
|
947 | 0.6% |
P
S
|
153,002 | $19,810,699 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
WM
WASTE MGMT INC ...
|
Industrials | 0.75% | 0.80% |
#36
2
Prev: #38
|
0.8 |
—
|
1,871 | 2.0% |
P
S
|
94,353 | $19,240,464 | 2007 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
ITW
ILLINOIS TOOL W...
|
Industrials | 0.74% | 0.78% |
#37
2
Prev: #39
|
0.8 |
—
|
-529 | -0.7% |
P
S
|
73,883 | $19,008,619 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AZO
AUTOZONE INC
|
Consumer Cyclical | 0.73% | 0.82% |
#38
2
Prev: #36
|
0.8 |
—
|
30 | 0.5% |
P
S
|
6,599 | $18,675,302 | 2016 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
CRM
SALESFORCE INC
|
Technology | 0.71% | 0.52% |
#39
13
Prev: #52
|
0.8 |
—
|
-5,638 | -6.6% |
P
S
|
79,545 | $18,261,242 | 2010 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
WFC
WELLS FARGO & C...
|
Financial Services | 0.67% | 0.71% |
#40
2
Prev: #42
|
0.8 |
—
|
-5,787 | -2.6% |
P
S
|
213,495 | $17,090,275 | 2001 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
ACN
ACCENTURE PLC I...
|
Technology | 0.64% | 0.44% |
#41
15
Prev: #56
|
0.8 |
—
|
-824 | -0.9% |
P
S
|
89,447 | $16,401,896 | 2009 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
JMUB
J P MORGAN EXCH...
|
ETF | 0.62% | 0.62% |
#42
2
Prev: #44
|
2.2 |
—
|
19,096 | 6.1% |
P
S
|
331,298 | $15,763,159 | 2024 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
JMST
J P MORGAN EXCH...
|
ETF | 0.59% | 0.57% |
#43
4
Prev: #47
|
2.2 |
—
|
15,780 | 5.5% |
P
S
|
301,115 | $15,224,374 | 2022 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
DIS
DISNEY WALT CO
|
Communication Services | 0.58% | 0.54% |
#44
5
Prev: #49
|
0.7 |
—
|
-2,960 | -2.0% |
P
S
|
141,913 | $14,886,694 | 2002 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
AZNCF
ASTRAZENECA PLC
|
Unknown | 0.58% | 0.60% |
#45
Prev: #45
|
2.2 |
—
|
10,085 | 12.4% |
P
S
|
91,361 | $14,752,061 | 2026 Q1 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
EQT
EQT CORP
|
Energy | 0.57% | 0.71% |
#46
5
Prev: #41
|
0.7 |
—
|
-42,617 | -12.4% |
P
S
|
300,828 | $14,608,207 | 2025 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
UNP
UNION PAC CORP
|
Industrials | 0.57% | 0.52% |
#47
4
Prev: #51
|
2.2 |
—
|
3,909 | 7.9% |
P
S
|
53,202 | $14,477,861 | 2009 Q2 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
HONA
HONEYWELL AEROS...
|
Industrials | 0.56% | — |
#48
Prev: #—
|
3.7 |
—
|
93,068 | — |
NEW
|
93,068 | $14,422,748 | 2026 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
EFA
ISHARES TR
|
ETF | 0.55% | 0.55% |
#49
1
Prev: #48
|
0.7 |
—
|
2 | 0.0% |
P
S
|
135,428 | $14,069,615 | 2003 Q3 | 13F Filing | 2026-09-30 | 2026-10-13 | |||
|
MUB
ISHARES TR
|
ETF | 0.53% | 0.58% |
#50
4
Prev: #46
|
0.7 |
—
|
-4,142 | -3.0% |
P
S
|
134,801 | $13,628,381 | 2010 Q4 | 13F Filing | 2026-09-30 | 2026-10-13 |
Showing 1-50 of 382 holdings