NORTHSTAR ASSET MANAGEMENT LLC NJ
Q2 2026 Form 13-F
HACKETTSTOWN, NEW JERSEY
CIK 0002011587
· CRD 129112
· SEC-registered investment adviser
$246.0M Reported Value Total
OAKBOURNE ADVISORS reports 1,072 total accounts under management (AUM). There are 1,072 discretionary accounts valued at $347,905,661, and 0 non-discretionary accounts.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-03-31
Reported value
$246.0M
Quarter over quarter
+12.5%
Holdings
106
Top-10 concentration
54.0%
Key People
Form ADV owners & control persons
Christopher Tyler Diederich
MEMBER
David Leszczynski
MEMBER
Andrew Peters
MEMBER
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13F Metrics
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Q2 2026 13F record
Q2 2026 13F filing summary
| Period of report | June 30, 2026 |
|---|---|
| Filed | August 05, 2026 |
| Form | 13F-HR |
| Reported value | $246.0M |
| Positions | 106 |
| Change in reported value | +18.8% |
| New positions | 14 |
| Exited positions | 4 |
| Position turnover | 16.4% |
| Top-10 concentration | 54.0% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 5, 2026
|
106 | $246.0M |
|
Q1 2026 13F
Filed May 8, 2026
|
96 | $207.1M |
|
Q4 2025 13F
Filed Feb 10, 2026
|
108 | $222.3M |
|
Q3 2025 13F
Filed Nov 7, 2025
|
99 | $208.8M |
|
Q2 2025 13F
Filed Aug 12, 2025
|
94 | $189.6M |
|
Q1 2025 13F
Filed May 6, 2025
|
90 | $159.9M |
|
Q4 2024 13F
Filed Jan 23, 2025
|
85 | $157.0M |
|
Q3 2024 13F
Filed Nov 12, 2024
|
80 | $149.9M |
|
Q2 2024 13F
Filed Aug 5, 2024
|
78 | $144.3M |
|
Q1 2024 13F
Filed May 6, 2024
|
79 | $132.0M |
|
Q4 2023 13F
Filed Feb 12, 2024
|
75 | $109.5M |
Top 20 holdings · Q2 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | IUSG ISHARES TR | $30.4M | 12.36% |
| 2 | GSLC GOLDMAN SACHS ETF TR | $26.0M | 10.58% |
| 3 | NVDA NVIDIA CORPORATION | $15.2M | 6.17% |
| 4 | VOT VANGUARD INDEX FDS | $14.6M | 5.94% |
| 5 | VEA VANGUARD TAX-MANAGED FDS | $9.0M | 3.67% |
| 6 | AAPL APPLE INC | $8.4M | 3.42% |
| 7 | ILCV ISHARES TR | $7.6M | 3.1% |
| 8 | GBIL GOLDMAN SACHS ETF TR | $7.4M | 3.0% |
| 9 | ISCG ISHARES TR | $7.3M | 2.99% |
| 10 | SCZ ISHARES TR | $6.8M | 2.76% |
| 11 | AVEM AMERICAN CENTY ETF TR | $5.8M | 2.36% |
| 12 | IVV ISHARES TR | $5.4M | 2.19% |
| 13 | VUG VANGUARD INDEX FDS | $5.4M | 2.19% |
| 14 | VTV VANGUARD INDEX FDS | $5.0M | 2.05% |
| 15 | QQQ INVESCO QQQ TR | $5.0M | 2.02% |
| 16 | GOOG ALPHABET INC | $4.2M | 1.72% |
| 17 | BRK-B BERKSHIRE HATHAWAY INC DEL | $4.1M | 1.68% |
| 18 | CEMB ISHARES INC | $4.0M | 1.64% |
| 19 | AMZN AMAZON COM INC | $3.8M | 1.56% |
| 20 | SPY STATE STR SPDR S&P 500 ETF T | $3.5M | 1.42% |
Values as reported on the Q2 2026 Form 13F. Every position is in the holdings table below.