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Mechanics Bank Trust Department

Bank
Location
Walnut Creek, CA
Portfolio Value
Small $477,905,389
Diversification
Diversified
Filing Date
Global Rank
#2,384 / 8,232 ▲ 32
Top Industry
Software - Infrastructure 8.8%
3Y Alpha vs SPY
-4.5%
Period ended 2 months ago
Filed Apr 9, 2026 · 2mo
25 quarters · since Mar 2020

Clone Performance

Jun 2023–Jun 2026 · vs SPY

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

Cloned portfolio
+57.4%
SPY
+76.3%
Annualised alpha
-4.5%
Max drawdown
−16.3%

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

132 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
7.6%
−2.0 pts
Top 5
33.8%
−3.4 pts
Top 10
48.6%
−2.1 pts
HHI
327
Jun 2023 → Mar 2026 · range 318 – 386
Diversified−41

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 22.5% $107,511,612
Financial Services 16.9% $80,539,293
Unclassified 14.0% $66,702,582
Healthcare 9.2% $44,077,872
Consumer Defensive 8.7% $41,790,853
Consumer Cyclical 8.1% $38,695,534
Communication Services 7.7% $36,694,542
Energy 5.4% $25,784,209
Industrials 5.2% $24,978,032
Utilities 1.2% $5,682,460
Real Estate 0.8% $3,694,741
Basic Materials 0.4% $1,753,659

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
23 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
7 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
9 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
132 positions · $477,905,389 total · as of Mar 31, 2026
Showing 1–50 of 132 positions by value · page 1 of 3
Ticker Company Shares Value (USD) % of Portfolio History