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: 0002056320
Total reported value
$155.1M
$155.1M
29 檔
55.8%
In Q3 2025, Rockbridge Asset Management LLC's U.S. equity holdings reached a combined market value of $155.1M, distributed across 29 disclosed stock positions.
During Q3 2025, Rockbridge Asset Management LLC performed routine portfolio adjustments (5 new buys, 4 additions, 14 trims, and 0 full exits), keeping overall allocation balanced.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MSFT | Microsoft CORP | Stock-Tech | 10.41% | -0.26% | -3.57% | |
| 2 | ORLY | O'reilly Automotive Inc | Stock-Consumer Disc | 10.30% | -0.52% | -6.67% | |
| 3 | AMT | American Tower CORP | Stock-Real Estate | 10.24% | -1.31% | -1.69% | |
| 4 | MKL | Markel Group Inc | Stock-Financials | 10.15% | — | -5.83% | |
| 5 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 10.04% | +0.85% | -4.99% | |
| 6 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 7.23% | -0.03% | -5.83% | |
| 7 | CPRT | Copart Inc | Stock-Industrials | 6.80% | +2.26% | +3.33% | |
| 8 | MA | Mastercard Inc - A | Stock-Financials | 6.10% | -0.26% | -4.41% | |
| 9 | AAPL | Apple Inc | Stock-Tech | 5.52% | +0.50% | -4.48% | |
| 10 | LMT | Lockheed Martin CORP | Stock-Industrials | 5.08% | -1.30% | -5.27% | |
| 11 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.11% | +0.76% | -12.28% | |
| 12 | V | Visa Inc-class A Shares | Stock-Financials | 2.97% | -0.16% | -6.07% | |
| 13 | DBRG | Digitalbridge Group Inc | Stock-Financials | 2.64% | — | -11.30% | |
| 14 | BLDR | Builders Firstsource Inc | Stock-Industrials | 2.54% | +0.27% | -3.21% | |
| 15 | CCC | Ccc Intelligent Solutions Ho | Stock-Tech | 2.17% | -2.04% | -40.66% | |
| 16 | AMRZ | Amrize Ltd | Stock-Materials | 1.12% | — | -2.57% | |
| 17 | OLED | Universal Display CORP | Stock-Tech | 1.00% | — | -5.77% | |
| 18 | SBAC | Sba Communications CORP | Stock-Real Estate | 0.58% | -0.01% | -17.68% | |
| 19 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.45% | +0.03% | — | |
| 20 | MRP | Millrose Properties | Stock-Real Estate | 0.25% | — | — | |
| 21 | CVX | Chevron CORP | Stock-Energy | 0.25% | -0.08% | — | |
| 22 | LULU | Lululemon Athletica Inc | Stock-Consumer Disc | 0.16% | — | -28.41% | |
| 23 | MPLX | Mplx LP | Stock-Energy | 0.16% | -0.01% | — | |
| 24 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.16% | -0.01% | — | |
| 25 | GE | General Electric | Stock-Industrials | 0.16% | +0.04% | — | |
| 26 | AEP | American Electric Power | Stock-Utilities | 0.14% | — | — | |
| 27 | AVGO | Broadcom Inc | Stock-Tech | 0.14% | +0.02% | — | |
| 28 | AES | Aes CORP | Stock-Utilities | 0.08% | — | — | |
| 29 | ISOU | Isoenergy LTD | Stock-Other | 0.06% | -0.01% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MSFT | Microsoft CORP | +2% | -3.57% | Trim |
| 2 | GOOGL | Alphabet Inc-cl A | +1.5% | -12.28% | Add |
| 3 | AMZN | Amazon.com Inc | +0.9% | -4.99% | Trim |
| 4 | BLDR | Builders Firstsource Inc | +0.4% | -3.21% | Add |
| 5 | AAPL | Apple Inc | +0.3% | -4.48% | Trim |
| 6 | DBRG | Digitalbridge Group Inc | +0.2% | -11.30% | Trim |
| 7 | ORLY | O'reilly Automotive Inc | +0.1% | -6.67% | Add |
| 8 | JPM | Jpmorgan Chase & Co | +0.1% | — | Unchanged |
| 9 | LMT | Lockheed Martin CORP | +0.1% | -5.27% | Trim |
| 10 | AES | Aes CORP | — | — | Unchanged |
| 11 | AEP | American Electric Power | — | — | Unchanged |
| 12 | PG | Procter & Gamble Co/the | 0% | — | Unchanged |
| 13 | MPLX | Mplx LP | 0% | — | Unchanged |
| 14 | CVX | Chevron CORP | 0% | — | Unchanged |
| 15 | OLED | Universal Display CORP | -0.1% | -5.77% | Trim |
| 16 | LULU | Lululemon Athletica Inc | -0.2% | -28.41% | Trim |
| 17 | SBAC | Sba Communications CORP | -0.3% | -17.68% | Trim |
| 18 | MA | Mastercard Inc - A | -0.3% | -4.41% | Trim |
| 19 | CCC | Ccc Intelligent Solutions Ho | -0.4% | -40.66% | Trim |
| 20 | V | Visa Inc-class A Shares | -0.4% | -6.07% | Trim |
| 21 | MKL | Markel Group Inc | -0.8% | -5.83% | Trim |
| 22 | BRK-B | Berkshire Hathaway Inc-cl B | -1.2% | -5.83% | Trim |
| 23 | CPRT | Copart Inc | -1.5% | +3.33% | Add |
| 24 | AMT | American Tower CORP | -2% | -1.69% | Trim |
| 25 | AMRZ | Amrize Ltd | — | NEW | New buy |
| 26 | MRP | Millrose Properties | — | NEW | New buy |
| 27 | GE | General Electric | — | NEW | New buy |
| 28 | AVGO | Broadcom Inc | — | NEW | New buy |
| 29 | ISOU | Isoenergy LTD | — | NEW | New buy |
According to official SEC Form 13F filings, Rockbridge Asset Management LLC reported a total U.S. public equity portfolio value of $155.1M across 29 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 MSFT, ORLY, AMT) accounted for 55.8% of total reported equity market value during Q3 2025.
Top New Position Initiated
AMRZ
市值: $1.9M
Top Position Liquidated / Trimmed
AMT
前期市值: $20.1M
During Q3 2025, Rockbridge Asset Management LLC's top holdings by market value included MSFT (10.4%)、ORLY (10.3%)、AMT (10.2%). The largest single position, MSFT, represented 10.4% of total portfolio value.
In Q3 2025, Rockbridge Asset Management LLC made 23 total portfolio adjustments, initiating 5 new buys, adding to 4 positions, trimming 14 holdings, and fully liquidating 0 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.