Institutional Manager · CIK 0001439743

Mechanics Bank Trust Department

Walnut Creek, CA · File #028-13144

Latest AUM

$763.6M

Positions

360

Top-10 Concentration

46.8%

Filings

Portfolio Value Over Time

2024-03

2024-06

2024-09

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
NEW	MECHANICS BANCORP	MCHB	+3,423,231	+$50.1M	$0
REDUCE	ALPHABET INC	GOOG	-66,298	-$20.8M	+$6.3M
REDUCE	ISHARES TR	464287481	-127,006	-$17.4M	-$717,554
ADD	APPLE INC	AAPL	+59,770	+$16.2M	+$602,689
ADD	MICROSOFT CORP	MSFT	+30,378	+$14.7M	-$708,056
REDUCE	VANGUARD INDEX FDS	922908595	-37,827	-$11.4M	+$170,413
REDUCE	COSTCO WHSL CORP NEW	22160K105	-12,595	-$10.9M	-$914,736
ADD	ORACLE CORP	ORCL-PD	+48,824	+$9.5M	-$355,247
ADD	ISHARES TR	464287721	+44,834	+$9.0M	+$9,302
ADD	NVIDIA CORPORATION	NVDA	+43,192	+$8.1M	-$1,324

Sector Allocation

Technology

14.2%$108.6M

Financials

13.7%$104.9M

Consumer Discretionary

4.8%$36.5M

4.5%$34.6M

2.3%$17.6M

2.3%$17.6M

1.5%$11.6M

Communication Services

0.5%$4.0M

Utilities

0.3%$2.3M

Materials

0.1%$1.2M

Real Estate

0.1%$821,401

Filing History

Jan 14, 202613F HOLDINGS REPORTQ/E Dec 2025360 pos · $763.6M
Oct 22, 202513F HOLDINGS REPORTQ/E Sep 2025363 pos · $712.1M
Jul 14, 202513F HOLDINGS REPORTQ/E Jun 2025373 pos · $697.5M
Apr 9, 202513F HOLDINGS REPORTQ/E Mar 2025378 pos · $732.8M
Jan 16, 202513F HOLDINGS REPORTQ/E Dec 2024376 pos · $750.3M
Oct 10, 202413F HOLDINGS REPORTQ/E Sep 2024359 pos · $751.2M
Jul 12, 202413F HOLDINGS REPORTQ/E Jun 2024352 pos · $699.0M
Apr 12, 202413F HOLDINGS REPORTQ/E Mar 2024337 pos · $681.3M
Oct 11, 202313F HOLDINGS REPORTQ/E Dec 2023297 pos · $599.0M

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	MECHANICS BANCORP	MCHB	3,423,231	$50.1M	9.93%
2	SPDR S&P 500 ETF TR	SPY	49,917	$34.0M	6.75%
3	ALPHABET INC	GOOG	88,367	$27.7M	5.48%
4	APPLE INC	AAPL	94,749	$25.8M	5.11%
5	MICROSOFT CORP	MSFT	51,003	$24.7M	4.89%
6	ISHARES TR	464287481	135,364	$18.5M	3.67%
7	INVESCO QQQ TR	IVZ	24,827	$15.3M	3.02%
8	J P MORGAN EXCHANGE TRADED F	46641Q332	238,543	$13.7M	2.71%
9	ISHARES TR	464287242	123,751	$13.6M	2.70%
10	INVESCO EXCH TRADED FD TR II	IVZ	613,152	$12.9M	2.55%
11	COSTCO WHSL CORP NEW	22160K105	14,549	$12.5M	2.49%
12	VANGUARD INDEX FDS	922908595	40,110	$12.1M	2.40%
13	NVIDIA CORPORATION	NVDA	59,746	$11.1M	2.21%
14	VANGUARD INDEX FDS	922908736	22,829	$11.1M	2.21%
15	ORACLE CORP	ORCL-PD	52,939	$10.3M	2.05%
16	AMAZON COM INC	AMZN	43,628	$10.1M	2.00%
17	MICROSOFT CORP	MSFT	20,624	$10.0M	1.98%
18	JPMORGAN CHASE & CO.	VYLD	30,247	$9.7M	1.93%
19	APPLE INC	AAPL	35,031	$9.5M	1.89%
20	ISHARES TR	464287721	47,269	$9.4M	1.87%