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Bank of Marin Portfolio holdings

AUM $137M
1-Year Est. Return 20.44%
This Fund
S&P 500
This Quarter Est. Return
+7.26%
1 Year Est. Return
+20.44%
3 Year Est. Return
+67.14%
5 Year Est. Return
+81.38%
10 Year Est. Return
–
AUM
$142M
AUM Growth
+$9.21M
Cap. Flow
+$1.01M
Cap. Flow %
0.71%
Top 10 Hldgs %
33.39%
Holding
134
New
8
Increased
43
Reduced
52
Closed
4

Top Buys

Rank Stock Value
1
CGMU icon
Capital Group Municipal Income ETF
CGMU
+$598K
2
ATI icon
ATI
ATI
+$557K
3
SPSC icon
SPS Commerce
SPSC
+$386K
4
BLDR icon
Builders FirstSource
BLDR
+$353K
5
MKL icon
Markel Group
MKL
+$329K

Top Sells

Rank Stock Value
1
TMUS icon
T-Mobile US
TMUS
+$498K
2
SHW icon
Sherwin-Williams
SHW
+$474K
3
GTLB icon
GitLab
GTLB
+$417K
4
ELV icon
Elevance Health
ELV
+$244K
5
JNJ icon
Johnson & Johnson
JNJ
+$233K

Sector Composition

Rank Sector Weight
1 Technology 21.53%
2 Healthcare 7.22%
3 Financials 6.83%
4 Consumer Discretionary 4.57%
5 Communication Services 4.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MSFT icon
1
Microsoft
MSFT
$3.71T
$9.11M 6.42%
17,582
-152
-0.9% -$77.5K
AAPL icon
2
Apple
AAPL
$4.56T
$7.07M 4.98%
27,751
+216
+0.8% +$48.8K
XLK icon
3
State Street Technology Select Sector SPDR ETF
XLK
$122B
$6.19M 4.37%
43,954
+388
+0.9% +$51.4K
NVDA icon
4
NVIDIA
NVDA
$5.3T
$4.89M 3.45%
26,185
+302
+1% +$52.6K
AMZN icon
5
Amazon
AMZN
$2.94T
$3.69M 2.6%
16,799
-16
-0.1% -$3.62K
VOO icon
6
Vanguard S&P 500 ETF
VOO
$1.01T
$3.58M 2.53%
5,852
-243
-4% -$143K
VO icon
7
Vanguard Morningstar Mid-Cap ETF
VO
$108B
$3.41M 2.4%
46,380
– –
XLY icon
8
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.9B
$3.28M 2.32%
27,410
-724
-3% -$82.9K
GOOGL icon
9
Alphabet (Google) Class A
GOOGL
$4.38T
$3.24M 2.29%
13,337
-24
-0.2% -$5.03K
QQQ icon
10
Invesco QQQ Trust
QQQ
$479B
$2.88M 2.03%
4,805
-122
-2% -$69.9K
VOX icon
11
Vanguard Communication Services ETF
VOX
$5.73B
$2.74M 1.93%
14,606
-50
-0.3% -$8.93K
XLV icon
12
State Street Health Care Select Sector SPDR ETF
XLV
$42.4B
$2.74M 1.93%
19,670
-398
-2% -$53.9K
COST icon
13
Costco
COST
$421B
$2.64M 1.86%
2,850
+13
+0.5% +$12.5K
XLC icon
14
State Street Communication Services Select Sector SPDR ETF
XLC
$22.4B
$2.31M 1.63%
19,520
-710
-4% -$78.9K
SCHO icon
15
Schwab Short-Term US Treasury ETF
SCHO
$12.8B
$1.97M 1.39%
80,663
-918
-1% -$22.3K
SPY icon
16
State Street SPDR S&P 500 ETF Trust
SPY
$818B
$1.95M 1.38%
2,933
-19
-0.6% -$12.2K
VFH icon
17
Vanguard Financials ETF
VFH
$13.7B
$1.76M 1.24%
13,380
-106
-0.8% -$13.7K
XLF icon
18
State Street Financial Select Sector SPDR ETF
XLF
$58.4B
$1.76M 1.24%
32,590
-2,940
-8% -$156K
XLI icon
19
State Street Industrial Select Sector SPDR ETF
XLI
$33.6B
$1.75M 1.24%
11,368
-552
-5% -$83.6K
ANET icon
20
Arista Networks
ANET
$242B
$1.71M 1.21%
11,761
+509
+5% +$65.5K
BRK.B icon
21
Berkshire Hathaway Class B
BRK.B
$1.13T
$1.56M 1.1%
3,107
– –
IVV icon
22
iShares Core S&P 500 ETF
IVV
$897B
$1.54M 1.09%
2,302
– –
V icon
23
Visa
V
$692B
$1.53M 1.08%
4,493
+100
+2% +$34.6K
TLN
24
Talen Energy Corp
TLN
$16.2B
$1.53M 1.08%
3,599
-362
-9% -$131K
DHR icon
25
Danaher
DHR
$141B
$1.49M 1.05%
7,524
+613
+9% +$122K
1
2 3 4 5

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GCM
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SL
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ASM
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FDC
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Bank of Marin's Q3 2025 Portfolio in Review

As of Q3 2025, Bank of Marin held 134 positions worth $142M, up 6.9% from $133M the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Bank of Marin's Q3 2025 filing shows 8 new, 43 increased, 52 reduced and 4 closed positions. Its largest new stake was Capital Group Municipal Income ETF: 22,251 shares worth $607K. The largest sale was T-Mobile US, an estimated $498K.

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

  • Bank of Marin's largest Q3 2025 buy was Capital Group Municipal Income ETF: 22,251 shares worth $607K.
  • Bank of Marin added most to Fair Isaac in Q3 2025, an estimated $211K increase.
  • Bank of Marin's biggest Q3 2025 reduction was Elevance Health, cutting an estimated $244K.
  • Bank of Marin fully exited T-Mobile US in Q3 2025, selling an estimated $498K.
  • Bank of Marin's ten largest holdings make up 33% of its $142M portfolio in Q3 2025.
  • Bank of Marin opened 8 new positions and closed 4 in Q3 2025.
  • Bank of Marin's portfolio value rose 6.9% quarter-over-quarter to $142M.

Based on Bank of Marin's 13F filing for Q3 2025, filed 5 Nov 2025.