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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
+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
DIS icon
126
Walt Disney
DIS
$177B
$233K 0.16%
2,045
– –
ECL icon
127
Ecolab
ECL
$78.7B
$229K 0.16%
874
– –
RTX icon
128
RTX Corp
RTX
$298B
$220K 0.15%
1,200
– –
IWF icon
129
iShares Russell 1000 Growth ETF
IWF
$128B
$202K 0.14%
+1,704
New +$202K
RWT
130
Redwood Trust
RWT
$590M
$57.5K 0.04%
+10,402
New +$57.2K
APD icon
131
Air Products & Chemicals
APD
$68.1B
– –
-1,486
Closed -$405K
BLDR icon
132
Builders FirstSource
BLDR
$7.81B
– –
-2,661
Closed -$323K
MKL icon
133
Markel Group
MKL
$22.9B
– –
-168
Closed -$321K
MRSH
134
Marsh
MRSH
$90.1B
– –
-1,008
Closed -$203K
SPSC icon
135
SPS Commerce
SPSC
$2.7B
– –
-3,243
Closed -$338K
2 3 4 5
6

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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.