Skip to main content

Chesley Taft & Associates LLC

Location
CHICAGO, IL
Portfolio Value
Mid $1,906,450,866
Diversification
Diversified
Filing Date
Global Rank
#17 / 295 ▲ 1255
Top Industry
Semiconductors 10.9%
3Y Alpha vs SPY
-5.5%
Period ended 9 days ago
Filed Jul 8, 2026 · 1d
26 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+53.3%
SPY
+76.5%
Annualised alpha
-5.6%
Max drawdown
−16.9%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

259 positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
4.9%
+0.0 pts
Top 5
21.9%
+0.9 pts
Top 10
36.5%
+1.3 pts
HHI
199
Sep 2023 → Jun 2026 · range 188 – 215
Diversified+8

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Technology 30.3% $577,298,843
Financial Services 17.5% $333,711,655
Healthcare 13.1% $249,042,732
Consumer Cyclical 8.4% $160,371,141
Industrials 7.7% $147,365,743
Consumer Defensive 7.0% $132,918,658
Unclassified 5.0% $95,411,482
Communication Services 4.6% $87,240,204
Energy 3.0% $57,006,400
Basic Materials 1.7% $32,742,383
Utilities 1.1% $20,975,430
Real Estate 0.6% $12,366,195

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
14 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
16 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
259 positions · $1,906,450,866 total · as of Jun 30, 2026
Showing 1–50 of 259 positions by value · page 1 of 6
Ticker Company Shares Value (USD) % of Portfolio History