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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
WMT icon
126
Walmart Inc
WMT
$920B
$235K 0.17%
2,285
+104
+5% +$10.4K
DIS icon
127
Walt Disney
DIS
$178B
$234K 0.17%
2,045
-117
-5% -$13.8K
AVUV icon
128
Avantis US Small Cap Value ETF
AVUV
$30.9B
$233K 0.16%
+2,344
New +$227K
MRSH
129
Marsh
MRSH
$90.1B
$203K 0.14%
1,008
+52
+5% +$10.7K
RTX icon
130
RTX Corp
RTX
$300B
$201K 0.14%
+1,200
New +$186K
GTLB icon
131
GitLab
GTLB
$6.95B
– –
-9,249
Closed -$417K
JNJ icon
132
Johnson & Johnson
JNJ
$629B
– –
-1,524
Closed -$233K
SHW icon
133
Sherwin-Williams
SHW
$87.8B
– –
-1,381
Closed -$474K
TMUS icon
134
T-Mobile US
TMUS
$190B
– –
-2,089
Closed -$498K
2 3 4 5
6

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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.