Funds · 13F filer · Walnut Creek, CA

Mechanics Bank Trust Department

$808.2M in 211 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+15.3%S&P 500 +20.9%
3y return+45.4%S&P 500 +68.5%
5y return+48.7%S&P 500 +74.5%
10y return+145.4%S&P 500 +256.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2016: $245 against $357 in the S&P 500.2

Mechanics Bank Trust DepartmentS&P 500 (SPY)
$99$100$35720162026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
SPYState Str Spdr S&p 500 Etf T$44.2M5.5%+5.5%
GOOGLAlphabet Inc$38.2M4.7%−2.8%
AAPLApple Inc$37.9M4.7%+1.1%
MCHBMechanics Bancorp$35.7M4.4%−2.6%
MSFTMicrosoft Corp$27.3M3.4%+2.0%
IWPIshares Tr$21.3M2.6%+4.2%
QQQInvesco Qqq Tr$18.4M2.3%−3.1%
NVDANvidia Corporation$16.8M2.1%+5.0%
VBKVanguard Index Fds$16.1M2.0%+8.6%
COSTCostco Wholesale Corporation$15.2M1.9%
VUGVanguard Index Fds$13.7M1.7%+7.1%
AMZNAmazon Com Inc$13.4M1.7%
IYWIshares Tr$13.1M1.6%+4.9%
JEPIJ P Morgan Exchange Traded F$13.0M1.6%−9.7%
JPMJpmorgan Chase & Co$12.8M1.6%
LQDIshares Tr$11.8M1.5%−10.0%
BKLNInvesco Exch Traded Fd Tr II$11.0M1.4%−12.1%
Exxon Mobil CorpCUSIP 30231G102$10.8M1.3%−4.4%
VVisa Inc$10.1M1.3%−2.1%
BRK/BBerkshire Hathaway Inc Del$10.0M1.2%+4.6%
GOOGAlphabet Inc$9.7M1.2%+8.9%
JEPQJ P Morgan Exchange Traded F$9.5M1.2%+7.9%
VYMIVanguard Whitehall Fds$9.5M1.2%+38.1%
VWOVanguard Intl Equity Index F$9.4M1.2%+53.3%
JNJJohnson & Johnson$9.4M1.2%−2.3%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
NVDANvidia CorporationMarch 31, 2021+1399.0%$16.8M
LLYEli Lilly & CoJune 30, 2020+630.6%$6.4M
GOOGLAlphabet IncJune 30, 2020+404.0%$38.2M
GOOGAlphabet IncJune 30, 2020+399.9%$9.7M
IYWIshares TrJune 30, 2020+273.9%$13.1M
XLKSelect Sector Spdr TrJune 30, 2020+264.7%$8.0M
JPMJpmorgan Chase & CoJune 30, 2020+248.0%$12.8M
AAPLApple IncJune 30, 2020+217.3%$37.9M
COSTCostco Wholesale CorporationJune 30, 2020+208.5%$15.2M
Exxon Mobil CorpCUSIP 30231G102June 30, 2020+205.7%$10.8M

Sold off last quarter

  • Honeywell Intl IncCUSIP 438516106 was $2.7M
  • KMBKimberly-clark Corp was $467K
  • NKENike Inc was $397K
  • ZTSZoetis Inc was $343K
  • ICEIntercontinental Exchange In was $226K
  • BKRBaker Hughes Company was $217K
  • KEYSKeysight Technologies Inc was $208K
  • LHXL3harris Technologies Inc was $201K

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+9.0%+14.8%
March 31, 2026−2.6%−4.6%
December 31, 2025+1.5%+2.4%
September 30, 2025+7.0%+7.8%
June 30, 2025+6.5%+10.5%
March 31, 2025−2.7%−4.6%
December 31, 2024+1.0%+2.1%
September 30, 2024+5.4%+5.4%
June 30, 2024+2.4%+4.0%
March 31, 2024+6.8%+10.0%
December 31, 2023+8.9%+11.2%
September 30, 2023−3.9%−3.6%
June 30, 2023+6.2%+8.3%
March 31, 2023+4.6%+7.0%
December 31, 2022+7.7%+7.1%
September 30, 2022−5.6%−5.3%
June 30, 2022−13.6%−16.5%
March 31, 2022−4.5%−4.9%
December 31, 2021+9.5%+10.7%
September 30, 2021+0.2%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1439743
  2. 2
    Filed July 7, 2026 · accession 0001439743-26-000003