Stocks/Funds/CIK 2051491

Westmount Partners, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 2051491
Assets
$405M
+23.6% YoY
Holdings
261
Lifetime alpha vs market
-0.51% annual
Average hold time
2.6 yr
median 3.5 yr

Quarterly history

Cum return +74% vs S&P +77% · α -3% lifetimeAUM $405M · peak $405MFlow $28M (+7%)2022-122023-062023-122024-062024-122025-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.52%
adds when stocks drop
when a holding falls −10%+
Middle response
+0.90%
steady accumulation
Rally response
-0.89%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
AAPLApple Inc.$44M10.8%+14.7%3.5 yr
NVDANVIDIA Corporation$16M3.9%+60.9%3.5 yr
AVGOBroadcom Inc.$15M3.7%+86.0%3.5 yr
VOOVanguard S&P 500 ETF$14M3.6%3.5 yr
MSFTMicrosoft Corporation$14M3.5%-0.6%3.5 yr
CACICACI International Inc$12M2.9%+48.2%3.5 yr
AMZNAmazon.com, Inc.$10M2.5%+9.5%3.5 yr
GOOGLAlphabet Inc.$9M2.3%3.5 yr
BRK-BBerkshire Hathaway Inc.$9M2.2%3.5 yr
SPYState Street SPDR S&P 50$9M2.1%+17.6%3.5 yr
VTVanguard Total World Sto$8M1.9%3.5 yr
IVViShares Core S&P 500 ETF$8M1.9%3.5 yr
WMTWalmart Inc.$7M1.8%+42.8%3.5 yr
VTIVanguard Total Stock Mar$7M1.6%3.5 yr
QQQInvesco QQQ Trust, Serie$5M1.3%3.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management33.8%-2.2pp$137M
Consumer Electronics10.8%-0.3pp$44M
Semiconductors9.3%+3.3pp$38M
Software - Infrastructure4.6%-0.4pp$19M
Internet Content & Information4.3%+1.2pp$17M
Information Technology Services4.1%+0.0pp$16M
Specialty Retail2.8%+0.1pp$11M
Drug Manufacturers - General2.7%+0.3pp$11M
Discount Stores2.6%+0.2pp$11M
Insurance - Diversified2.5%-0.7pp$10M
Country
US98.4%-0.4pp
CA0.5%+0.2pp
TW0.2%+0.1pp
CH0.2%+0.0pp
GB0.2%+0.1pp
IE0.2%-0.0pp
IL0.1%-0.0pp
BM0.1%-0.0pp
Top 5: 25.4% · Top 10: 37.3% · Top 25: 55.2%

Winners

TickerPrev $PnLYoY %
AVGO$8M+0.01B86.0%
NVDA$9M+0.01B60.9%
AAPL$36M+0.01B14.7%
CACI$8M+0.00B48.2%
ILMN$4M+0.00B55.4%

Losers

TickerPrev $PnLYoY %
MSFT$13M-0.00B-0.6%
META$3M-0.00B-0.4%
IBM$5M-0.00B-0.1%

Top buys this quarter · 15

ABBV AbbVie Inc.+$2M
MRVL Marvell Technology, Inc.new+$1M
AMZN Amazon.com, Inc.+$1M
TSLA Tesla, Inc.+$1M
INTC Intel Corporation+$1M
MSFT Microsoft Corporation+$14M
BA The Boeing Company+$1M
GOOG Alphabet Inc.+$1M
XOM Exxon Mobil Corporation+$1M
PANW Palo Alto Networks, Inc.new+$1M

Top sells this quarter · 15

ILMN Illumina, Inc.$1M
MELI MercadoLibre, Inc.exit$0M
CLS Celestica Inc.$0M
SPY State Street SPDR S&P 500 ETF $0M
DHR Danaher Corporationexit$0M
PSN Parsons Corporationexit$0M
UNH UnitedHealth Group Incorporateexit$0M
INTU Intuit Inc.exit$0M
BSX Boston Scientific Corporationexit$0M
TME Tencent Music Entertainment Grexit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$405M261+21.27%+17.59%+3.68%+0.03B
2025-12-31$401M246+19.25%+17.72%+1.53%+0.00B
2025-09-30$387M244+19.72%+17.52%+2.20%-0.02B
2025-06-30$364M246+18.08%+14.94%+3.14%-0.01B
2025-03-31$328M239+9.15%+8.30%+0.84%+0.02B
2024-12-31$329M218+26.39%+24.89%+1.51%-0.01B
2024-09-30$333M230+37.70%+36.04%+1.66%+0.00B
2024-06-30$303M219+16.20%+24.49%-8.29%+0.01B
2024-03-31$278M213+18.29%+29.62%-11.34%+0.02B
2023-12-31$245M202+23.17%+26.18%-3.01%-0.01B
2023-09-30$227M195-7.99%-3.22%-4.77%+0.02B
2023-06-30$230M188+7.26%+8.68%-1.42%-0.00B
2023-03-31$216M184+11.43%+7.46%+3.98%+0.00B
2022-12-31$192M172