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Super Investors Mechanics Bank Trust Department
MB

Mechanics Bank Trust Department

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$798M
Positions
205
Quarter ended
September 30, 2026
Filed
October 13, 2026

Reported portfolio value by quarter (54 quarters reported)

$808M $251M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$375M in Q2 2013 → $798M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
SS State Str SPDR S&P 500 ETF T 5.6% Trimmed 1.8% 58,194 $44.4M
Apple Inc 5.4% Trimmed 1.4% 129,234 $43M
Microsoft Corp 4.6% Trimmed 1.3% 72,183 $37M
Alphabet Inc 4.6% Added 0.4% 107,193 $36.9M
MB Mechanics Bancorp 4.2% Unchanged 2,242,540 $33.1M
Nvidia Corporation 2.6% Added 6.4% 89,443 $20.4M
IT Ishares Tr 2.5% Added 0.9% 146,804 $20.2M
IQ Invesco Qqq Tr 2.3% Added 0.4% 25,145 $18.6M
VI Vanguard Index Fds 1.9% Added 2.9% 45,190 $15.3M
VI Vanguard Index Fds 1.8% Trimmed 1.1% 157,714 $14.2M
Costco Wholesale Corporation 1.8% Trimmed 4.2% 15,535 $14.1M
Amazon Com Inc 1.8% Added 0.5% 56,331 $14M
IT Ishares Tr 1.7% Added 1.1% 52,422 $13.9M
Exxonmobil Holdings Corp 1.6% New 76,604 $12.5M
Jpmorgan Chase & Co 1.5% Trimmed 5.8% 36,825 $12.2M
VW Vanguard Whitehall Fds 1.5% Added 19% 114,735 $11.6M
JP J P Morgan Exchange Traded F 1.4% Trimmed 13% 199,068 $11.2M
IE Invesco Exch Traded Fd Tr Ii 1.4% Trimmed 1.0% 532,908 $10.9M
VI Vanguard Intl Equity Index F 1.3% Added 13% 178,511 $10.6M
IT Ishares Tr 1.3% Trimmed 4.7% 103,254 $10.6M
Visa Inc 1.2% Trimmed 9.0% 26,843 $9.65M
BH Berkshire Hathaway Inc Del 1.2% Trimmed 3.1% 19,345 $9.63M
JP J P Morgan Exchange Traded F 1.2% Trimmed 2.6% 150,277 $9.21M
Johnson & Johnson 1.1% Trimmed 7.2% 34,202 $9.05M
Alphabet Inc 1.1% Trimmed 6.2% 25,770 $8.78M
SS Select Sector SPDR Tr 1.1% Added 3.3% 43,588 $8.53M
VS Vanguard Scottsdale Fds 1.0% Added 6.4% 105,634 $8.27M
Oracle Corp 0.9% Trimmed 2.0% 54,276 $7.45M
IT Ishares Tr 0.9% Trimmed 5.9% 66,449 $7.28M
SS State Str SPDR S&P Midcap 40 0.9% Trimmed 0.7% 10,714 $7.04M
Broadcom Inc 0.9% Added 1.1% 19,704 $6.92M
Chevron Corporation 0.9% Trimmed 5.8% 33,631 $6.87M
SS State Str SPDR Dow Jones Ind 0.9% Trimmed 2.0% 13,480 $6.86M
VI Vanguard Index Fds 0.8% Added 3.6% 9,616 $6.74M
IT Ishares Tr 0.8% Added 0.0% 18,508 $6.61M
FC Fidelity Covington Trust 0.8% Trimmed 4.6% 89,219 $6.3M
Walmart Inc 0.8% Trimmed 3.3% 59,993 $6.23M
EL Eli Lilly & Co 0.8% Added 0.6% 5,384 $6.23M
VS Vanguard Scottsdale Fds 0.7% Added 13% 85,137 $5.83M
Ross Stores Inc 0.7% Trimmed 1.4% 23,731 $5.54M
CS Cisco Sys Inc 0.7% Trimmed 0.5% 51,276 $5.52M
Home Depot Inc 0.7% Trimmed 5.9% 19,090 $5.43M
SS Select Sector SPDR Tr 0.7% Trimmed 3.8% 99,249 $5.3M
VT Vanguard Tax-managed Fds 0.6% Added 21% 70,679 $4.99M
Merck & Co Inc 0.6% Added 2.2% 33,294 $4.84M
M Mcdonalds Corp 0.6% Trimmed 14% 20,551 $4.75M
IT Ishares Tr 0.6% Trimmed 0.5% 30,925 $4.7M
VP Victory Portfolios Ii 0.6% Added 2.4% 89,072 $4.56M
Mckesson Corp 0.6% Added 2.7% 5,178 $4.42M
QS Quanta Svcs Inc 0.5% Added 2.8% 6,768 $4.35M
Abbvie Inc 0.5% Trimmed 0.2% 15,933 $4.17M
IT Ishares Tr 0.5% Added 3.2% 32,727 $4.1M
Blackrock Inc 0.5% Trimmed 4.8% 3,723 $3.94M
Amphenol Corp 0.5% Added 102% 46,149 $3.89M
Abbott Laboratories 0.5% Trimmed 7.6% 38,762 $3.83M
VI Vanguard Intl Equity Index F 0.5% Added 12% 43,492 $3.78M
RS Republic Svcs Inc 0.5% Trimmed 8.1% 17,899 $3.76M
AD Automatic Data Processing In 0.5% Trimmed 6.2% 14,429 $3.72M
SS SPDR Series Trust 0.5% Trimmed 5.9% 129,862 $3.72M
IT Ishares Tr 0.5% Added 5.1% 26,520 $3.61M

Showing top 60 of 205 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 13, 2026

Company Action Shares changed Value of change % of portfolio
Exxonmobil Holdings Corp New +76,604 +$12.5M 1.6%
Exxon Mobil Corp Exited −78,730 −$10.8M —
Amphenol Corp Added +23,299 +$1.96M 0.5%
VW Vanguard Whitehall Fds Added +18,468 +$1.87M 1.5%
JP J P Morgan Exchange Traded F Trimmed −30,869 −$1.74M 1.4%
AC Avalonbay Cmntys Inc Exited −7,673 −$1.45M —
HI Honeywell Intl Inc Trimmed −6,786 −$1.43M 0.1%
VI Vanguard Intl Equity Index F Added +20,778 +$1.23M 1.3%
Nvidia Corporation Added +5,383 +$1.23M 2.6%
Procter & Gamble Co Trimmed −7,816 −$1.14M 0.4%

Showing the 10 largest of 189 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 07, 2026

Company Action Shares changed Value of change % of portfolio
VI Vanguard Index Fds Added +134,680 +$11.6M 1.7%
Kla Corp Added +13,179 +$3.98M 0.5%
VI Vanguard Intl Equity Index F Added +54,812 +$3.27M 1.2%
IT Ishares Tr Added +23,743 +$2.95M 0.5%
HI Honeywell Intl Inc Exited −12,112 −$2.74M —
VS Vanguard Scottsdale Fds Added +32,934 +$2.72M 1.0%
VW Vanguard Whitehall Fds Added +26,553 +$2.61M 1.2%
HI Honeywell Intl Inc New +11,169 +$2.59M 0.3%
IT Ishares Tr Trimmed −52,460 −$2.59M 0.1%
SS State Str SPDR S&P 500 ETF T Added +3,069 +$2.29M 5.5%

Showing the 10 largest of 200 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 09, 2026

Company Action Shares changed Value of change % of portfolio
MB Mechanics Bancorp Trimmed −1,121,270 −$16.5M 4.7%
VS Vanguard Scottsdale Fds Added +44,658 +$3.7M 0.8%
VI Vanguard Intl Equity Index F Added +60,744 +$3.28M 0.8%
IE Invesco Exch Traded Fd Tr Ii Trimmed −95,111 −$1.94M 1.7%
VW Vanguard Whitehall Fds Added +13,810 +$1.3M 0.9%
VT Vanguard Tax-managed Fds Added +16,774 +$1.07M 0.3%
JP J P Morgan Exchange Traded F Added +16,396 +$910K 1.1%
IT Ishares Tr Trimmed −7,408 −$807K 1.8%
IT Ishares Tr Trimmed −9,265 −$803K 0.2%
Alphabet Inc Trimmed −2,569 −$739K 4.4%

Showing the 10 largest of 178 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 14, 2026

Company Action Shares changed Value of change % of portfolio
MB Mechanics Bancorp New +3,423,231 +$50.1M 6.6%
Apple Inc Trimmed −36,126 −$9.82M 4.6%
SS Select Sector SPDR Tr Added +23,197 +$3.34M 0.9%
VI Vanguard Intl Equity Index F New +42,177 +$2.27M 0.3%
Netflix Inc Added +23,359 +$2.19M 0.3%
VS Vanguard Scottsdale Fds New +21,689 +$1.82M 0.2%
SS Select Sector SPDR Tr Added +25,753 +$1.1M 0.3%
SS Select Sector SPDR Tr Added +8,014 +$957K 0.3%
VS Vanguard Scottsdale Fds Added +12,606 +$956K 0.6%
JP J P Morgan Exchange Traded F Added +15,033 +$874K 1.0%

Showing the 10 largest of 172 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 22, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −36,268 −$9.23M 5.9%
SS SPDR S&P 500 ETF Tr Trimmed −5,593 −$3.73M 5.2%
JP J P Morgan Exchange Traded F Added +39,641 +$2.28M 0.9%
VI Vanguard Index Fds Added +6,939 +$2.07M 1.6%
JP J P Morgan Exchange Traded F Trimmed −34,588 −$1.97M 2.1%
IT Ishares Tr Added +13,692 +$1.95M 2.7%
Microsoft Corp Trimmed −3,408 −$1.77M 5.2%
IT Ishares Tr Trimmed −40,937 −$1.55M 0.3%
IT Ishares Tr Trimmed −13,632 −$1.52M 1.9%
IE Invesco Exch Traded Fd Tr Ii Added +72,155 +$1.51M 2.0%

Showing the 10 largest of 190 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −13,202 −$8.16M 5.4%
Apple Inc Trimmed −20,764 −$4.26M 5.9%
VI Vanguard Index Fds Trimmed −9,509 −$4.17M 1.6%
SD SPDR Dow Jones Indl Average Trimmed −9,340 −$4.12M 1.2%
IT Ishares Tr Trimmed −97,132 −$3.64M 0.6%
Oracle Corp Trimmed −14,029 −$3.07M 1.9%
Microsoft Corp Trimmed −5,175 −$2.57M 5.4%
IT Ishares Tr Added +17,341 +$2.4M 2.4%
VI Vanguard Index Fds Added +7,943 +$2.2M 1.2%
Walmart Inc Trimmed −21,273 −$2.08M 1.0%

Showing the 10 largest of 201 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 09, 2025

Company Action Shares changed Value of change % of portfolio
Microsoft Corp Added +5,646 +$2.12M 4.1%
SS SPDR S&P 500 ETF Tr Trimmed −3,290 −$1.84M 5.7%
VP Victory Portfolios Ii Added +36,710 +$1.26M 0.3%
VI Vanguard Index Fds Added +4,798 +$1.21M 0.8%
IT Ishares Tr Trimmed −10,169 −$1.19M 1.7%
LC Lowes Cos Inc Added +5,015 +$1.17M 0.5%
Apple Inc Trimmed −4,291 −$953K 6.8%
Kla Corp New +1,399 +$951K 0.1%
CW Costco Whsl Corp New Trimmed −904 −$855K 2.4%
Meta Platforms Inc Added +1,453 +$837K 0.2%

Showing the 10 largest of 200 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 16, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −43,778 −$11M 7.6%
Blackrock Inc New +3,556 +$3.65M 0.5%
Blackrock Inc Exited −3,637 −$3.45M —
IT Ishares Tr Trimmed −24,463 −$2.14M 0.8%
IE Invesco Exch Traded Fd Tr Ii Added +73,615 +$1.55M 1.7%
JP J P Morgan Exchange Traded F Added +23,760 +$1.34M 0.3%
Lam Research Corp Exited −1,588 −$1.3M —
EL Eli Lilly & Co Added +1,549 +$1.2M 0.6%
Boeing Co Exited −7,800 −$1.19M —
SS SPDR S&P 500 ETF Tr Trimmed −1,882 −$1.1M 6.1%

Showing the 10 largest of 194 changes.

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