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Mechanics Bank Trust Department

Bank
Location
Walnut Creek, CA
Portfolio Value
Small $508,064,153
Diversification
Diversified
Filing Date
Global Rank
#2,755 / 8,517 ▼ 9
Top Industry
Internet Content & Information 9.2%
3Y Alpha vs SPY
+11.9%
Period ended 47 days ago
Filed Jul 7, 2026 · 40d
26 quarters · since Mar 2020

Clone Performance

Aug 2023–Aug 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio
+132.6%
SPY
+76.6%
Annualised alpha
+11.6%
Max drawdown
−16.5%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. Returns use comparable raw closes and exclude dividends; a captured split can shorten the simulated window. It tracks 100% of reported value on average across 13 quarters. Past performance does not predict future results.

Portfolio Concentration

136 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
8.7%
+0.7 pts
Top 5
36.1%
+1.4 pts
Top 10
51.1%
+2.0 pts
HHI
357
Sep 2023 → Jun 2026 · range 311 – 381
Diversified+20

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Technology 25.2% $128,260,384
Financial Services 17.3% $87,736,301
Unclassified 15.5% $78,799,734
Healthcare 8.9% $45,122,821
Communication Services 8.3% $42,173,009
Consumer Defensive 7.8% $39,415,887
Consumer Cyclical 7.6% $38,797,472
Industrials 5.1% $25,794,843
Energy 1.9% $9,775,989
Utilities 1.1% $5,491,844
Real Estate 0.9% $4,458,269
Basic Materials 0.4% $2,237,600

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
13 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
13 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
136 tracked positions · $508,064,153 total · as of Jun 30, 2026
Showing 1–50 of 136 positions by value · page 1 of 3
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.