Institutional Manager · CIK 0001132708
NORTHSTAR ASSET MANAGEMENT Co
BLUE BELL, PA · File #028-06043
Latest AUM
$471.3M
Positions
189
Top-10 Concentration
60.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | PROCTER & GAMBLE | 742718109 | -11,962 | -$1.7M | -$127,573 |
| REDUCE | NVIDIA CORP | NVDA | -2,970 | -$553,905 | -$3,473 |
| NEW | HAMILTON LANE INC CL A | HLNE | +2,900 | +$389,499 | $0 |
| EXITED | DU PONT DE NEMOURS | 26614n102 | -4,140 | -$322,506 | $0 |
| ADD | NETFLIX, INC. | NFLX | +2,970 | +$278,467 | -$364,703 |
| EXITED | UNITED BANKSHARES | 909907107 | -6,243 | -$232,302 | $0 |
| EXITED | FRANKLIN CUSTODIAN FUNDS GROWT | 353496839 | -1,457 | -$223,346 | $0 |
| EXITED | CARRIER GLOBAL CORP | 14448c104 | -3,632 | -$216,830 | $0 |
| EXITED | DELL TECHNOLOGIES INC. | 24703l202 | -1,500 | -$212,655 | $0 |
| EXITED | CONSTELLATION BRANDS | 21036p108 | -1,550 | -$208,738 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025189 pos · $471.3M
- 13F HOLDINGS REPORTQ/E Sep 2025193 pos · $466.1M
- 13F HOLDINGS REPORTQ/E Jun 2025197 pos · $434.7M
- 13F HOLDINGS REPORTQ/E Mar 2025198 pos · $414.0M
- 13F HOLDINGS REPORTQ/E Dec 2024200 pos · $436.3M
- 13F HOLDINGS REPORTQ/E Sep 2024198 pos · $436.4M
- 13F HOLDINGS REPORTQ/E Jun 2024199 pos · $413.4M
- 13F HOLDINGS REPORTQ/E Mar 2024201 pos · $405.7M
- 13F HOLDINGS REPORTQ/E Dec 2023203 pos · $347.3M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | VANGUARD INFO TECH ETF | 92204a702 | 107,723 | $81.2M | 19.91% |
| 2 | APPLE INC | AAPL | 150,631 | $41.0M | 10.04% |
| 3 | VANGUARD TOTAL U.S. STOCK MARK | 922908769 | 73,451 | $24.6M | 6.04% |
| 4 | VANGUARD GROWTH ETF | 922908736 | 43,031 | $21.0M | 5.15% |
| 5 | BERKSHIRE HATHAWAY INC DEL CL | BRK-A | 33,108 | $16.6M | 4.08% |
| 6 | VANGUARD MID-CAP ETF | 922908629 | 56,204 | $16.3M | 4.00% |
| 7 | MICROSOFT CORP | MSFT | 28,550 | $13.8M | 3.39% |
| 8 | STATE STREET SPDR S&P 500 ETF | SPY | 17,518 | $11.9M | 2.93% |
| 9 | VANGUARD SMALL-CAP ETF | 922908751 | 41,991 | $10.8M | 2.66% |
| 10 | THERMO FISHER SCIENTIFIC INC. | TMO | 18,206 | $10.5M | 2.59% |
| 11 | VANGUARD S&P 500 ETF | 922908363 | 16,312 | $10.2M | 2.51% |
| 12 | AMETEK INC NEW | AME | 37,005 | $7.6M | 1.86% |
| 13 | NVIDIA CORP | NVDA | 40,440 | $7.5M | 1.85% |
| 14 | DANAHER CORP | 235851102 | 28,325 | $6.5M | 1.59% |
| 15 | FIRST TRUST ISE CLOUD COMPUTIN | 33734x192 | 47,915 | $6.2M | 1.53% |
| 16 | ARISTA NETWORKS INC | ANET | 44,395 | $5.8M | 1.43% |
| 17 | VANGUARD HIGH DIVIDEND YIELD I | 921946406 | 38,485 | $5.5M | 1.35% |
| 18 | VANGUARD DIVIDEND APPRECIATION | 921908844 | 25,015 | $5.5M | 1.35% |
| 19 | ZOETIS, INC. | ZTS | 40,817 | $5.1M | 1.26% |
| 20 | VANGUARD COMMUNICATION SERVICE | 92204a884 | 25,260 | $4.9M | 1.20% |