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BOM

Bank of Marin Portfolio holdings

AUM $137M
1-Year Est. Return 20.44%
This Fund
S&P 500
This Quarter Est. Return
+3.35%
1 Year Est. Return
+20.44%
3 Year Est. Return
+67.14%
5 Year Est. Return
+81.38%
10 Year Est. Return
–
AUM
$145M
AUM Growth
+$3.05M
Cap. Flow
-$166K
Cap. Flow %
-0.11%
Top 10 Hldgs %
32.62%
Holding
135
New
5
Increased
15
Reduced
67
Closed
5

Top Buys

Rank Stock Value
1
BMRC icon
Bank of Marin Bancorp
BMRC
+$2.1M
2
ARM icon
Arm
ARM
+$681K
3
IFF icon
International Flavors & Fragrances
IFF
+$391K
4
FCX icon
Freeport-McMoran
FCX
+$206K
5
IWF icon
iShares Russell 1000 Growth ETF
IWF
+$202K

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$762K
2
APD icon
Air Products & Chemicals
APD
+$405K
3
SPSC icon
SPS Commerce
SPSC
+$338K
4
BLDR icon
Builders FirstSource
BLDR
+$323K
5
MKL icon
Markel Group
MKL
+$321K

Sector Composition

Rank Sector Weight
1 Technology 20.59%
2 Financials 8%
3 Healthcare 7.72%
4 Communication Services 4.58%
5 Consumer Discretionary 4.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MSFT icon
1
Microsoft
MSFT
$3.62T
$8.38M 5.79%
17,336
-246
-1% -$123K
AAPL icon
2
Apple
AAPL
$4.54T
$7.47M 5.16%
27,469
-282
-1% -$75.7K
XLK icon
3
State Street Technology Select Sector SPDR ETF
XLK
$122B
$6.15M 4.24%
42,702
-1,252
-3% -$181K
GOOGL icon
4
Alphabet (Google) Class A
GOOGL
$4.43T
$4.25M 2.93%
13,567
+230
+2% +$65.7K
NVDA icon
5
NVIDIA
NVDA
$5.31T
$4.12M 2.84%
22,091
-4,094
-16% -$762K
AMZN icon
6
Amazon
AMZN
$2.94T
$3.7M 2.55%
16,016
-783
-5% -$179K
VOO icon
7
Vanguard S&P 500 ETF
VOO
$1.01T
$3.58M 2.48%
5,716
-136
-2% -$84.5K
VO icon
8
Vanguard Morningstar Mid-Cap ETF
VO
$109B
$3.37M 2.32%
46,380
– –
XLY icon
9
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23B
$3.21M 2.22%
26,890
-520
-2% -$61.7K
XLV icon
10
State Street Health Care Select Sector SPDR ETF
XLV
$42.3B
$3.02M 2.08%
19,480
-190
-1% -$28.5K
QQQ icon
11
Invesco QQQ Trust
QQQ
$480B
$2.92M 2.02%
4,755
-50
-1% -$30.7K
VOX icon
12
Vanguard Communication Services ETF
VOX
$5.73B
$2.83M 1.95%
14,606
– –
BMRC icon
13
Bank of Marin Bancorp
BMRC
$472M
$2.71M 1.87%
104,046
+81,656
+365% +$2.1M
COST icon
14
Costco
COST
$418B
$2.46M 1.7%
2,850
– –
XLC icon
15
State Street Communication Services Select Sector SPDR ETF
XLC
$22.3B
$2.19M 1.51%
18,633
-887
-5% -$102K
SCHO icon
16
Schwab Short-Term US Treasury ETF
SCHO
$12.8B
$1.98M 1.36%
81,095
+432
+0.5% +$10.5K
SPY icon
17
State Street SPDR S&P 500 ETF Trust
SPY
$819B
$1.97M 1.36%
2,883
-50
-2% -$33.8K
VFH icon
18
Vanguard Financials ETF
VFH
$13.8B
$1.76M 1.21%
13,173
-207
-2% -$26.9K
XLF icon
19
State Street Financial Select Sector SPDR ETF
XLF
$58.6B
$1.75M 1.21%
31,986
-604
-2% -$32.2K
XLI icon
20
State Street Industrial Select Sector SPDR ETF
XLI
$33.9B
$1.75M 1.21%
11,279
-89
-0.8% -$13.7K
LLY icon
21
Eli Lilly
LLY
$1.04T
$1.67M 1.15%
1,553
-20
-1% -$19.1K
DHR icon
22
Danaher
DHR
$140B
$1.66M 1.15%
7,263
-261
-3% -$57.4K
V icon
23
Visa
V
$688B
$1.58M 1.09%
4,492
-1
-0% -$341
BRK.B icon
24
Berkshire Hathaway Class B
BRK.B
$1.12T
$1.56M 1.08%
3,107
– –
IVV icon
25
iShares Core S&P 500 ETF
IVV
$898B
$1.55M 1.07%
2,265
-37
-2% -$25.1K
1
2 3 4 5

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GCM
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SL
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FDC
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Bank of Marin's Q4 2025 Portfolio in Review

As of Q4 2025, Bank of Marin held 135 positions worth $145M, up 2.2% from $142M the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Bank of Marin's Q4 2025 filing shows 5 new, 15 increased, 67 reduced and 5 closed positions. Its largest new stake was Arm: 4,685 shares worth $512K. The largest sale was NVIDIA, an estimated $762K.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Financials and Healthcare.

  • Bank of Marin's largest Q4 2025 buy was Arm: 4,685 shares worth $512K.
  • Bank of Marin added most to Bank of Marin Bancorp in Q4 2025, an estimated $2.1M increase.
  • Bank of Marin's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $762K.
  • Bank of Marin fully exited Air Products & Chemicals in Q4 2025, selling an estimated $405K.
  • Bank of Marin's ten largest holdings make up 33% of its $145M portfolio in Q4 2025.
  • Bank of Marin opened 5 new positions and closed 5 in Q4 2025.
  • Bank of Marin's portfolio value rose 2.2% quarter-over-quarter to $145M.

Based on Bank of Marin's 13F filing for Q4 2025, filed 17 Feb 2026.