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Westmount Partners Portfolio holdings
AUM
$457M
1-Year Est. Return
31.05%
This Fund
S&P 500
This Quarter
Est. Return
+3.4%
1 Year Est. Return
+31.05%
3 Year Est. Return
+100.94%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$401M
AUM Growth
+$13.9M
(+3.6%)
Cap. Flow
+$6.67M
Cap. Flow
% of AUM
1.66%
Top 10 Holdings %
Top 10 Hldgs %
39.82%
Holding
252
New
8
Increased
94
Reduced
75
Closed
6
Top Buys
| 1 |
NVIDIA
NVDA
|
+$4.02M |
| 2 |
Bank of Marin Bancorp
BMRC
|
+$2.95M |
| 3 |
Apple
AAPL
|
+$2.79M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$1.09M |
| 5 |
Amazon
AMZN
|
+$985K |
Top Sells
| 1 |
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
|
+$2.49M |
| 2 |
CUSD
CrossingBridge Ultra-Short Duration ETF
CUSD
|
+$1.12M |
| 3 |
Illumina
ILMN
|
+$881K |
| 4 |
iShares Russell 2000 ETF
IWM
|
+$627K |
| 5 |
Fair Isaac
FICO
|
+$584K |
Sector Composition
| 1 | Technology | 31.98% |
| 2 | Financials | 8.13% |
| 3 | Healthcare | 6.9% |
| 4 | Communication Services | 6% |
| 5 | Consumer Discretionary | 4.9% |
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Westmount Partners's Q4 2025 Portfolio in Review
As of Q4 2025, Westmount Partners held 252 positions worth $401M, up 3.6% from $387M the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Westmount Partners's Q4 2025 filing shows 8 new, 94 increased, 75 reduced and 6 closed positions. Its largest new stake was Bank of Marin Bancorp: 114,559 shares worth $2.98M. The largest sale was State Street SPDR Bloomberg 1-3 Month T-Bill ETF, an estimated $2.49M.
By sector, the portfolio is most concentrated in Technology at 32% of assets, up from 31% a quarter earlier, followed by Financials and Healthcare.
- Westmount Partners's largest Q4 2025 buy was Bank of Marin Bancorp: 114,559 shares worth $2.98M.
- Westmount Partners added most to NVIDIA in Q4 2025, an estimated $4.02M increase.
- Westmount Partners's biggest Q4 2025 reduction was State Street SPDR Bloomberg 1-3 Month T-Bill ETF, cutting an estimated $2.49M.
- Westmount Partners fully exited Strategy Inc in Q4 2025, selling an estimated $497K.
- Westmount Partners's ten largest holdings make up 40% of its $401M portfolio in Q4 2025.
- Westmount Partners opened 8 new positions and closed 6 in Q4 2025.
- Westmount Partners's portfolio value rose 3.6% quarter-over-quarter to $401M.
Based on Westmount Partners's 13F filing for Q4 2025, filed 15 Jan 2026.