Northstar Asset Management Inc.

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed July 15, 2025), Northstar Asset Management Inc. reported 58 stock positions worth $338.0 million. Its top holding was Apple (AAPL) at 5.0% of the portfolio, followed by Automatic Data Processing (ADP, 5.0%) and Costco Wholesale (COST, 4.9%). Compared with Q4 2024, it opened 4 new positions, sold out of 4, added to 13 and reduced 37. The biggest buy was Berkshire Hathaway Class A (BRK.A, shares +27%) and the biggest sale an exit from Smith (a.o.) (AOS).

Most Recent 13F
Q2 2026
Location
Boston, MA
CIK
0000869304
Portfolio Value
$338.0M (Q1 2025)
SEC Filing
0001172661-25-002606 ↗ filed Jul 15, 2025

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $569.6M Q1 2024 Q2 2024: $391.6M Q2 2024 Q3 2024: $407.2M Q3 2024 Q4 2024: $380.9M Q4 2024 Q1 2025: $338.0M $338.0M Q1 2025 Q2 2025: $361.8M Q2 2025 Q3 2025: $384.6M Q3 2025 Q4 2025: $387.2M Q4 2025 Q1 2026: $325.9M Q1 2026 Q2 2026: $341.2M Q2 2026

Holdings 58 stocks · $338.0M

AAPL Apple Inc. 4.97% 75,649 $16.8M Reduce -18.3%
ADP Automatic Data Processing 4.97% 54,957 $16.8M Reduce -3.2%
COST Costco Wholesale Corp. 4.88% 17,429 $16.5M Reduce -11.1%
MSFT Microsoft Corp. 4.76% 42,872 $16.1M Reduce -9.4%
UL Unilever PLC 4.59% 260,394 $15.5M Reduce -0.5%
LIN Linde PLC 4.51% 32,720 $15.2M Reduce -17.1%
SYK Stryker Corp. 4.45% 40,430 $15.1M Reduce -19.0%
TJX TJX Companies Inc. filed as TJX COS INC NEW 4.27% 118,577 $14.4M Reduce -3.8%
GOOGL Alphabet Inc. Class A 4.11% 89,811 $13.9M Reduce -3.2%
INTU Intuit Inc. 3.70% 20,387 $12.5M Reduce -1.1%
BRK.A Berkshire Hathaway Inc. Class A 3.31% 14 $11.2M Add +27.3%
NVO Novo-Nordisk A/S-Spons ADR 3.05% 148,376 $10.3M Add +3.9%
HD Home Depot Inc. 2.98% 27,511 $10.1M Reduce -17.3%
ETN Eaton Corp. PLC 2.83% 35,188 $9.6M Reduce -1.6%
XYL Xylem Inc. 2.80% 79,265 $9.5M Reduce -1.1%
CNI Canadian Natl Railway Co. 2.78% 96,375 $9.4M Add +2.0%
CRM Salesforce Inc. 2.76% 34,809 $9.3M Reduce -3.2%
IDXX Idexx Laboratories Inc. 2.36% 18,965 $8.0M Add +0.7%
FDX FedEx Corp. 2.35% 32,539 $7.9M Reduce -5.0%
DLR Digital Realty Trust Inc. 2.32% 54,670 $7.8M Reduce -2.1%
VLTO Veralto Corp. 2.26% 78,342 $7.6M Add +1.4%
IEX Idex Corp. 2.11% 39,466 $7.1M Add +3.1%
SFM Sprouts Farmers Market Inc. 2.06% 45,673 $7.0M Reduce -21.2%
EBC Eastern Bankshares Inc. 1.98% 407,857 $6.7M Add +0.0%
DHR Danaher Corp. 1.97% 32,528 $6.7M Reduce -0.2%
VOO Vanguard S&P 500 ETF 1.89% 12,405 $6.4M Reduce -16.2%
PYPL PayPal Holdings Inc. 1.64% 85,010 $5.5M Reduce -2.9%
ADBE Adobe Inc. 1.62% 14,263 $5.5M Add +5.2%
CWT California Water Service Grp 1.46% 101,529 $4.9M Add +7.0%
BR Broadridge Financial Solutio 1.37% 19,061 $4.6M Add +56.7%
BMI Badger Meter Inc. 1.29% 22,916 $4.4M Reduce -2.3%
ZM Zoom Communications Inc. 0.94% 42,942 $3.2M Reduce -5.4%
DDOG Datadog Inc. Class A 0.84% 28,529 $2.8M No change
VRSK Verisk Analytics Inc. 0.68% 7,717 $2.3M New
ALC Alcon Inc. filed as ALCON AG 0.65% 23,213 $2.2M New
BRK.B Berkshire Hathaway Inc. Class B 0.65% 4,097 $2.2M Reduce -0.5%
WINA Winmark Corp. 0.56% 5,923 $1.9M Add +94.1%
NVDA Nvidia Corp. 0.40% 12,385 $1.3M Reduce -9.3%
MSEX Middlesex Water Co. 0.37% 19,347 $1.2M New
ANET Arista Networks Inc. 0.35% 15,357 $1.2M New
GOOG Alphabet Inc. Class C 0.26% 5,724 $894K Add +0.7%
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.24% 832 $822K No change
CSCO Cisco Systems Inc. 0.20% 11,006 $679K Reduce -13.4%
PG The Procter & Gamble Co. 0.18% 3,488 $594K Reduce -18.9%
AMZN Amazon.com Inc. 0.15% 2,692 $512K Reduce -3.5%
OEF iShares S&P 100 ETF 0.14% 1,729 $468K Reduce -17.3%
IWF iShares Russell 1000 Growth 0.13% 1,215 $439K No change
TDY Teledyne Technologies Inc. 0.13% 863 $430K Reduce -0.8%
ITW Illinois Tool Works 0.11% 1,502 $373K Reduce -85.6%
PEP Pepsico Inc. 0.10% 2,322 $348K Reduce -18.7%
IVV iShares Core S&P 500 ETF 0.09% 533 $299K Reduce -23.4%
VTI VG Morningstar TS MKT ETF-US 0.08% 1,027 $282K Reduce -15.8%
META Meta Platforms Inc. Class A 0.07% 437 $252K Reduce -5.0%
TIP iShares Tips Bond ETF 0.07% 2,191 $243K Add +9.6%
TSLA Tesla Inc. 0.07% 904 $234K Reduce -77.9%
IWD iShares Russell 1000 Value E 0.07% 1,210 $228K Reduce -15.2%
MCD McDonald's Corp. 0.06% 695 $217K Reduce -13.0%
TLRY Tilray Brands Inc. 0.03% 149,886 $99K No change

Portfolio Sells Q4 2024 → Q1 2025

AOS Smith (a.o.) Corp. Sold out 0.00% −2.09
AAPL Apple Inc. Reduce -18.3% 4.97% −1.12
ITW Illinois Tool Works Reduce -85.6% 0.11% −0.58
GOOGL Alphabet Inc. Class A Reduce -3.2% 4.11% −0.50
MSFT Microsoft Corp. Reduce -9.4% 4.76% −0.48
HD Home Depot Inc. Reduce -17.3% 2.98% −0.41
CRM Salesforce Inc. Reduce -3.2% 2.76% −0.39
TSLA Tesla Inc. Reduce -77.9% 0.07% −0.36
PYPL PayPal Holdings Inc. Reduce -2.9% 1.64% −0.32
ETN Eaton Corp. PLC Reduce -1.6% 2.83% −0.29
DLR Digital Realty Trust Inc. Reduce -2.1% 2.32% −0.28
SYK Stryker Corp. Reduce -19.0% 4.45% −0.27
VOO Vanguard S&P 500 ETF Reduce -16.2% 1.89% −0.21
AWR American States Water Co. Sold out 0.00% −0.20
FDX FedEx Corp. Reduce -5.0% 2.35% −0.18
SAFT Safety Insurance Group Inc. Sold out 0.00% −0.11
NVDA Nvidia Corp. Reduce -9.3% 0.40% −0.08
SPY SS SPDR S&P 500 ETF Trust-US Sold out 0.00% −0.08
ZM Zoom Communications Inc. Reduce -5.4% 0.94% −0.04
OEF iShares S&P 100 ETF Reduce -17.3% 0.14% −0.02
IVV iShares Core S&P 500 ETF Reduce -23.4% 0.09% −0.02
BMI Badger Meter Inc. Reduce -2.3% 1.29% −0.02
PG The Procter & Gamble Co. Reduce -18.9% 0.18% −0.01
PEP Pepsico Inc. Reduce -18.7% 0.10% −0.01
VTI VG Morningstar TS MKT ETF-US Reduce -15.8% 0.08% −0.01
AMZN Amazon.com Inc. Reduce -3.5% 0.15% −0.01
IWD iShares Russell 1000 Value E Reduce -15.2% 0.07% −0.00
MCD McDonald's Corp. Reduce -13.0% 0.06% +0.00
CSCO Cisco Systems Inc. Reduce -13.4% 0.20% +0.00
META Meta Platforms Inc. Class A Reduce -5.0% 0.07% +0.00
DHR Danaher Corp. Reduce -0.2% 1.97% +0.01
TDY Teledyne Technologies Inc. Reduce -0.8% 0.13% +0.02
SFM Sprouts Farmers Market Inc. Reduce -21.2% 2.06% +0.13
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.5% 0.65% +0.16
COST Costco Wholesale Corp. Reduce -11.1% 4.88% +0.16
LIN Linde PLC Reduce -17.1% 4.51% +0.17
INTU Intuit Inc. Reduce -1.1% 3.70% +0.30
XYL Xylem Inc. Reduce -1.1% 2.80% +0.36
TJX TJX Companies Inc. Reduce -3.8% 4.27% +0.36
ADP Automatic Data Processing Reduce -3.2% 4.97% +0.60
UL Unilever PLC Reduce -0.5% 4.59% +0.69

Portfolio Buys Q4 2024 → Q1 2025

BRK.A Berkshire Hathaway Inc. Class A Add +27.3% 3.31% +1.34
VRSK Verisk Analytics Inc. New 0.68% +0.68
ALC Alcon Inc. New 0.65% +0.65
BR Broadridge Financial Solutio Add +56.7% 1.37% +0.65
MSEX Middlesex Water Co. New 0.37% +0.37
ANET Arista Networks Inc. New 0.35% +0.35
CWT California Water Service Grp Add +7.0% 1.46% +0.33
IDXX Idexx Laboratories Inc. Add +0.7% 2.36% +0.31
CNI Canadian Natl Railway Co. Add +2.0% 2.78% +0.26
WINA Winmark Corp. Add +94.1% 0.56% +0.24
VLTO Veralto Corp. Add +1.4% 2.26% +0.19
EBC Eastern Bankshares Inc. Add +0.0% 1.98% +0.13
ADBE Adobe Inc. Add +5.2% 1.62% +0.04
TIP iShares Tips Bond ETF Add +9.6% 0.07% +0.02
IEX Idex Corp. Add +3.1% 2.11% +0.01
GOOG Alphabet Inc. Class C Add +0.7% 0.26% −0.02
NVO Novo-Nordisk A/S-Spons ADR Add +3.9% 3.05% −0.18

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 91$341.2MDSI, GOOGL, VSGX, AAPL, MSFT
Q1 2026 86$325.9MDSI, GOOGL, AAPL, MSFT, COST
Q4 2025 88$387.2MGOOGL, AAPL, MSFT, TJX, COST
Q3 2025 70$384.6MMSFT, GOOGL, AAPL, TJX, ADP
Q2 2025 61$361.8MMSFT, COST, ADP, SYK, UL
Q1 2025Amended 58$338.0MAAPL, ADP, COST, MSFT, UL
Q4 2024Amended 58$380.9MAAPL, MSFT, SYK, COST, GOOGL
Q3 2024Amended 58$407.2MAAPL, MSFT, LIN, SYK, COST
Q2 2024Amended 58$391.6MMSFT, AAPL, NVO, COST, LIN
Q1 2024Amended 57$569.6MBRK.A, MSFT, LIN, NVO, SYK