13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001132708
Total reported value
$530.8M
$530.8M
142 檔
35.0%
During the Q3 2025 filing period, NORTHSTAR ASSET MANAGEMENT Co (CIK: 0001132708) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $530.8M across 142 reported positions.
In Q3 2025, NORTHSTAR ASSET MANAGEMENT Co adopted a defensive or profit-taking posture, trimming 36 positions and completely liquidating 4 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ✓ | Stock-Other | 17.63% | — | +0.17% | ||
| 2 | AAPL | Apple Inc | Stock-Tech | 8.89% | +0.80% | -0.74% | |
| 3 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 5.23% | -0.23% | +0.85% | |
| 4 | VUG | Vanguard Growth ETF | ETF-Other | 4.48% | -0.11% | +2.14% | |
| 5 | VO | Vanguard Mid-cap ETF | ETF-Other | 3.65% | -0.22% | +0.22% | |
| 6 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 3.64% | -0.51% | -0.25% | |
| 7 | MSFT | Microsoft CORP | Stock-Tech | 3.31% | -0.33% | -3.35% | |
| 8 | ✓ | Stock-Other | 2.54% | — | -0.08% | ||
| 9 | VB | Vanguard Small-cap ETF | ETF-Other | 2.31% | -0.12% | +1.39% | |
| 10 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 2.18% | -0.06% | +1.69% | |
| 11 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 1.96% | -0.11% | -7.38% | |
| 12 | ✓ | Stock-Other | 1.74% | — | +0.06% | ||
| 13 | AME | Ametek Inc | Stock-Industrials | 1.51% | -0.10% | — | |
| 14 | ANET | Arista Networks Inc | Stock-Tech | 1.42% | +0.18% | -9.61% | |
| 15 | ✓ | Stock-Other | 1.41% | — | -1.71% | ||
| 16 | ✓ | Stock-Other | 1.31% | — | -6.72% | ||
| 17 | DHR | Danaher CORP | Stock-Healthcare | 1.23% | -0.20% | -10.47% | |
| 18 | VIG | Vanguard Dividend Apprec ETF | ETF-Other | 1.16% | -0.07% | +1.31% | |
| 19 | VYM | Vanguard High Dvd Yield ETF | ETF-Other | 1.15% | -0.08% | +1.86% | |
| 20 | HD | Home Depot Inc | Stock-Consumer Disc | 1.06% | -0.14% | — | |
| 21 | ✓ | Stock-Other | 1.03% | — | +0.20% | ||
| 22 | ✓ | Stock-Other | 1.02% | — | +0.08% | ||
| 23 | WMT | Walmart Inc | Stock-Consumer Staples | 0.99% | -0.33% | — | |
| 24 | SHW | Sherwin-williams Co/the | Stock-Materials | 0.95% | -0.16% | — | |
| 25 | ✓ | Stock-Other | 0.93% | — | -1.12% | ||
| 26 | ✓ | Stock-Other | 0.90% | — | — | ||
| 27 | ✓ | Stock-Other | 0.89% | — | — | ||
| 28 | VTV | Vanguard Value ETF | ETF-Other | 0.83% | -0.03% | +3.95% | |
| 29 | ✓ | Stock-Other | 0.81% | — | -1.67% | ||
| 30 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.80% | -0.13% | -0.98% | |
| 31 | ✓ | Stock-Other | 0.80% | — | -1.61% | ||
| 32 | ✓ | Stock-Other | 0.72% | — | -1.95% | ||
| 33 | VV | Vanguard Large-cap ETF | ETF-Other | 0.70% | -0.03% | +1.15% | |
| 34 | QCOM | Qualcomm Inc | Stock-Tech | 0.69% | -0.06% | -0.26% | |
| 35 | IHI | Ishares U.s. Medical Devices | ETF-Other | 0.63% | -0.13% | -1.01% | |
| 36 | ✓ | Stock-Other | 0.62% | — | — | ||
| 37 | UNP | Union Pacific CORP | Stock-Industrials | 0.59% | -0.05% | -9.46% | |
| 38 | VFIAX | Vanguard 500 Index-adm | Stock-Other | 0.59% | -0.60% | EXIT | |
| 39 | ✓ | Stock-Other | 0.56% | — | -24.21% | ||
| 40 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.56% | -0.04% | -0.84% | |
| 41 | ✓ | Stock-Other | 0.54% | — | -0.37% | ||
| 42 | ✓ | Stock-Other | 0.53% | — | — | ||
| 43 | ✓ | Stock-Other | 0.52% | — | -0.50% | ||
| 44 | NSRGY | Nestle Sa-spons Adr | Stock-Other | 0.51% | -0.57% | EXIT | |
| 45 | PEP | Pepsico Inc | Stock-Consumer Staples | 0.51% | -0.15% | -0.96% | |
| 46 | ✓ | Stock-Other | 0.46% | — | -0.30% | ||
| 47 | CVX | Chevron CORP | Stock-Energy | 0.44% | -0.13% | -0.74% | |
| 48 | LHX | L3harris Technologies Inc | Stock-Industrials | 0.44% | -0.11% | -0.88% | |
| 49 | MDLZ | Mondelez International Inc-a | Stock-Consumer Staples | 0.42% | -0.06% | -0.95% | |
| 50 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.42% | +0.21% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ✓ | +3.2% | +0.17% | Trim | |
| 2 | VUG | Vanguard Growth ETF | +0.8% | +2.14% | Add |
| 3 | ✓ | +0.5% | +0.06% | Trim | |
| 4 | MSFT | Microsoft CORP | +0.5% | -3.35% | Trim |
| 5 | VTI | Vanguard Total Stock Mkt ETF | +0.4% | +0.85% | Add |
| 6 | ANET | Arista Networks Inc | +0.3% | -9.61% | Trim |
| 7 | VOO | Vanguard S&p 500 ETF | +0.2% | +1.69% | Add |
| 8 | ✓ | +0.2% | +0.18% | Add | |
| 9 | ✓ | +0.2% | -1.61% | Trim | |
| 10 | ✓ | +0.2% | -1.71% | Trim | |
| 11 | ✓ | +0.1% | -0.08% | Trim | |
| 12 | ✓ | +0.1% | — | Trim | |
| 13 | LHX | L3harris Technologies Inc | +0.1% | -0.88% | Trim |
| 14 | VB | Vanguard Small-cap ETF | +0.1% | +1.39% | Add |
| 15 | ✓ | +0.1% | +0.20% | Trim | |
| 16 | ✓ | +0.1% | — | Trim | |
| 17 | AMD | Advanced Micro Devices | +0.1% | +2.13% | Trim |
| 18 | ✓ | +0.1% | -0.50% | Trim | |
| 19 | VTV | Vanguard Value ETF | 0% | +3.95% | Add |
| 20 | ✓ | 0% | -25.11% | Trim | |
| 21 | WMT | Walmart Inc | 0% | — | Trim |
| 22 | VO | Vanguard Mid-cap ETF | 0% | +0.22% | Trim |
| 23 | AMZN | Amazon.com Inc | 0% | -0.84% | Trim |
| 24 | ✓ | — | -1.12% | Trim | |
| 25 | ✓ | — | — | Unchanged | |
| 26 | VYM | Vanguard High Dvd Yield ETF | 0% | +1.86% | Add |
| 27 | VV | Vanguard Large-cap ETF | 0% | +1.15% | Trim |
| 28 | VIG | Vanguard Dividend Apprec ETF | 0% | +1.31% | Add |
| 29 | HD | Home Depot Inc | 0% | — | Trim |
| 30 | ✓ | -0.1% | +0.08% | Trim | |
| 31 | AME | Ametek Inc | -0.1% | — | Trim |
| 32 | ✓ | -0.1% | -35.02% | Trim | |
| 33 | DIS | Walt Disney Co/the | -0.1% | -3.31% | Trim |
| 34 | ✓ | -0.2% | -3.50% | Trim | |
| 35 | IHI | Ishares U.s. Medical Devices | -0.2% | -1.01% | Trim |
| 36 | UNP | Union Pacific CORP | -0.2% | -9.46% | Trim |
| 37 | ✓ | -0.2% | -1.67% | Trim | |
| 38 | ✓ | -0.2% | -1.95% | Trim | |
| 39 | ✓ | -0.2% | -53.98% | Trim | |
| 40 | ✓ | -0.3% | -24.21% | Trim | |
| 41 | DHR | Danaher CORP | -0.4% | -10.47% | Trim |
| 42 | ✓ | -0.6% | -6.72% | Trim | |
| 43 | TMO | Thermo Fisher Scientific Inc | -0.6% | -7.38% | Trim |
| 44 | BRK-B | Berkshire Hathaway Inc-cl B | -0.7% | -0.25% | Trim |
| 45 | AAPL | Apple Inc | -0.9% | -0.74% | Trim |
| 46 | IWS | Ishares Russell Mid-cap Valu | — | NEW | New buy |
| 47 | ✓ | — | EXIT | Sold out | |
| 48 | SWK | Stanley Black & Decker Inc | — | EXIT | Sold out |
| 49 | ✓ | — | EXIT | Sold out | |
| 50 | ✓ | — | EXIT | Sold out |
According to official SEC Form 13F filings, NORTHSTAR ASSET MANAGEMENT Co reported a total U.S. public equity portfolio value of $530.8M across 142 disclosed positions in Q3 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including , AAPL, VTI) accounted for 35.0% of total reported equity market value during Q3 2025.
Top New Position Initiated
IWS
市值: $691.8K
Top Position Liquidated / Trimmed
前期市值: $680.9K
During Q3 2025, NORTHSTAR ASSET MANAGEMENT Co's top holdings by market value included (17.6%)、AAPL (8.9%)、VTI (5.2%). The largest single position, , represented 17.6% of total portfolio value.
In Q3 2025, NORTHSTAR ASSET MANAGEMENT Co made 49 total portfolio adjustments, initiating 1 new buys, adding to 8 positions, trimming 36 holdings, and fully liquidating 4 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.