Filed: 7/8/2026ACC: 0001164632-26-000004
📋 What this filing means
CHESLEY TAFT & ASSOCIATES LLC filed this quarterly 13F‑HR report disclosing 369 equity positions with a total reported market value of $2.57B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
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
shares
% of voting shares84.7%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
2.58M
shares
% 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
SOLEShares418.45K
TypeSH
Market value$147.85M
5.76%
Sole
320.59K
Shared
0.00
None
97.86K
NVIDIA CORPORATION
SOLEShares464.69K
TypeSH
Market value$92.98M
3.62%
Sole
347.66K
Shared
0.00
None
117.03K
APPLE INC
OTRShares284.34K
TypeSH
Market value$82.28M
3.20%
Sole
238.63K
Shared
0.00
None
45.71K
AMAZON COM INC
OTRShares340.03K
TypeSH
Market value$81.04M
3.16%
Sole
281.14K
Shared
0.00
None
58.89K
MICROSOFT CORP
SOLEShares217.17K
TypeSH
Market value$81.01M
3.15%
Sole
161.95K
Shared
0.00
None
55.22K
BROADCOM INC
SOLEShares212.96K
TypeSH
Market value$80.45M
3.13%
Sole
186.49K
Shared
0.00
None
26.47K
PALO ALTO NETWORKS INC
SOLEShares182.10K
TypeSH
Market value$62.10M
2.42%
Sole
141.46K
Shared
0.00
None
40.65K
COSTCO WHOLESALE CORPORATION
SOLEShares66.03K
TypeSH
Market value$61.77M
2.41%
Sole
53.89K
Shared
0.00
None
12.14K
JPMORGAN CHASE & CO
SOLEShares171.07K
TypeSH
Market value$56.00M
2.18%
Sole
141.55K
Shared
0.00
None
29.52K
ISHARES TR
OTRShares371.71K
TypeSH
Market value$55.13M
2.15%
Sole
311.94K
Shared
0.00
None
59.77K
JOHNSON & JOHNSON
OTRShares209.74K
TypeSH
Market value$53.27M
2.07%
Sole
143.94K
Shared
0.00
None
65.80K
ISHARES TR
SOLEShares540.18K
TypeSH
Market value$51.55M
2.01%
Sole
481.06K
Shared
0.00
None
59.12K
ISHARES TR
SOLEShares602.15K
TypeSH
Market value$46.43M
1.81%
Sole
508.18K
Shared
0.00
None
93.97K
STATE STR SPDR S&P 500 ETF T
OTRShares61.47K
TypeSH
Market value$45.90M
1.79%
Sole
53.30K
Shared
0.00
None
8.17K
STRYKER CORPORATION
OTRShares138.75K
TypeSH
Market value$43.68M
1.70%
Sole
93.89K
Shared
0.00
None
44.86K
VISA INC
OTRShares122.54K
TypeSH
Market value$42.04M
1.64%
Sole
107.69K
Shared
0.00
None
14.85K
ALPHABET INC
SOLEShares100.83K
TypeSH
Market value$36.03M
1.40%
Sole
81.73K
Shared
0.00
None
19.09K
AMPHENOL CORP
OTRShares202.06K
TypeSH
Market value$35.63M
1.39%
Sole
182.55K
Shared
0.00
None
19.52K
CHUBB LIMITED
OTRShares103.67K
TypeSH
Market value$35.33M
1.38%
Sole
76.74K
Shared
0.00
None
26.93K
SPDR GOLD TR
OTRShares93.67K
TypeSH
Market value$34.51M
1.34%
Sole
70.04K
Shared
0.00
None
23.64K
AMERICAN EXPRESS CO
OTRShares81.94K
TypeSH
Market value$27.72M
1.08%
Sole
63.51K
Shared
0.00
None
18.43K
MASTERCARD INCORPORATED
OTRShares50.52K
TypeSH
Market value$25.95M
1.01%
Sole
38.98K
Shared
0.00
None
11.54K
ABBOTT LABORATORIES
SOLEShares279.68K
TypeSH
Market value$25.38M
0.99%
Sole
179.43K
Shared
0.00
None
100.26K
VANGUARD TAX-MANAGED FDS
SOLEShares355.04K
TypeSH
Market value$25.30M
0.98%
Sole
352.60K
Shared
0.00
None
2.44K
ISHARES TR
OTRShares33.40K
TypeSH
Market value$25.01M
0.97%
Sole
29.73K
Shared
0.00
None
3.67K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ALPHABET INCSOLE | CAP STK CL C | 418.45K | SH | $147.85M 5.76% | 320.59K | 0.00 | 97.86K |
NVIDIA CORPORATIONSOLE | COM | 464.69K | SH | $92.98M 3.62% | 347.66K | 0.00 | 117.03K |
APPLE INCOTR | COM | 284.34K | SH | $82.28M 3.20% | 238.63K | 0.00 | 45.71K |
AMAZON COM INCOTR | COM | 340.03K | SH | $81.04M 3.16% | 281.14K | 0.00 | 58.89K |
MICROSOFT CORPSOLE | COM | 217.17K | SH | $81.01M 3.15% | 161.95K | 0.00 | 55.22K |
BROADCOM INCSOLE | COM | 212.96K | SH | $80.45M 3.13% | 186.49K | 0.00 | 26.47K |
PALO ALTO NETWORKS INCSOLE | COM | 182.10K | SH | $62.10M 2.42% | 141.46K | 0.00 | 40.65K |
COSTCO WHOLESALE CORPORATIONSOLE | COM | 66.03K | SH | $61.77M 2.41% | 53.89K | 0.00 | 12.14K |
JPMORGAN CHASE & COSOLE | COM | 171.07K | SH | $56.00M 2.18% | 141.55K | 0.00 | 29.52K |
ISHARES TROTR | CORE S&P SCP ETF | 371.71K | SH | $55.13M 2.15% | 311.94K | 0.00 | 59.77K |
JOHNSON & JOHNSONOTR | COM | 209.74K | SH | $53.27M 2.07% | 143.94K | 0.00 | 65.80K |
ISHARES TRSOLE | CORE MSCI TOTAL | 540.18K | SH | $51.55M 2.01% | 481.06K | 0.00 | 59.12K |
ISHARES TRSOLE | CORE S&P MCP ETF | 602.15K | SH | $46.43M 1.81% | 508.18K | 0.00 | 93.97K |
STATE STR SPDR S&P 500 ETF TOTR | TR UNIT | 61.47K | SH | $45.90M 1.79% | 53.30K | 0.00 | 8.17K |
STRYKER CORPORATIONOTR | COM | 138.75K | SH | $43.68M 1.70% | 93.89K | 0.00 | 44.86K |
VISA INCOTR | COM CL A | 122.54K | SH | $42.04M 1.64% | 107.69K | 0.00 | 14.85K |
ALPHABET INCSOLE | CAP STK CL A | 100.83K | SH | $36.03M 1.40% | 81.73K | 0.00 | 19.09K |
AMPHENOL CORPOTR | CL A | 202.06K | SH | $35.63M 1.39% | 182.55K | 0.00 | 19.52K |
CHUBB LIMITEDOTR | COM | 103.67K | SH | $35.33M 1.38% | 76.74K | 0.00 | 26.93K |
SPDR GOLD TROTR | GOLD SHS | 93.67K | SH | $34.51M 1.34% | 70.04K | 0.00 | 23.64K |
AMERICAN EXPRESS COOTR | COM | 81.94K | SH | $27.72M 1.08% | 63.51K | 0.00 | 18.43K |
MASTERCARD INCORPORATEDOTR | CL A | 50.52K | SH | $25.95M 1.01% | 38.98K | 0.00 | 11.54K |
ABBOTT LABORATORIESSOLE | COM | 279.68K | SH | $25.38M 0.99% | 179.43K | 0.00 | 100.26K |
VANGUARD TAX-MANAGED FDSSOLE | VAN FTSE DEV MKT | 355.04K | SH | $25.30M 0.98% | 352.60K | 0.00 | 2.44K |
ISHARES TROTR | CORE S&P500 ETF | 33.40K | SH | $25.01M 0.97% | 29.73K | 0.00 | 3.67K |
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