13F Insight
DOSSIER · 13F-HR · Q2 2026

Chesley Taft & Associates LLC

$2.6B in tracked AUM across 637 positions as of Q2 2026.

CT
CIK 0001164632 · last filed Jun 30, 2026
Total AUM
$2.6B
as of Q2 2026
Holdings
637
—
positions
Whale Score
55
55
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

Chesley Taft & Associates LLC filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
GOOG
ALPHABET INC
$148M418K5.8%02
NVDA
NVIDIA CORPORATION
$93M465K3.6%03
AAPL
APPLE INC
$82M284K3.2%04
AMZN
AMAZON COM INC
$81M340K3.2%05
MSFT
MICROSOFT CORP
$81M217K3.2%06
AVGO
BROADCOM INC
$80M213K3.1%07
PANW
PALO ALTO NETWORKS INC
$62M182K2.4%08
COST
COSTCO WHOLESALE CORPORATION
$62M66K2.4%09
JPM
JPMORGAN CHASE & CO
$56M171K2.2%10
IJR
ISHARES TR
$55M372K2.1%

Filing history

2026Q2Jun 30
$2.6B▲ 7.4%
637 positionsView →2026Q1Mar 31
$2.4B▼ 5.6%
621 positionsView →2025Q4Dec 31
$2.5B▲ 7.4%
624 positionsView →2025Q3Sep 30
$2.4B▲ 5.4%
348 positionsView →2025Q2Jun 30
$2.2B▲ 8.2%
334 positionsLocked2025Q1Mar 31
$2.1B▼ 3.9%
330 positionsLocked2024Q4Dec 31
$2.2B▲ 2.7%
326 positionsLocked2024Q3Sep 30
$2.1B▲ 5.2%
323 positionsLocked2024Q2Jun 30
$2.0B▲ 2.0%
309 positionsLocked2024Q1Mar 31
$2.0B▲ 9.7%
311 positionsLocked2023Q4Dec 31
$1.8B▲ 15.6%
301 positionsLocked2023Q3Sep 30
$1.5B▼ 5.6%
289 positionsLocked
Showing 12 of 50