Canonical: https://ownershiptrace.com/13f/investors/94670

# Rockbridge Asset Management portfolio — 13F holdings Q2 2026

Rockbridge Asset Management (Peter Keefe) reported 30 long positions worth $152.5 million as of 2026-06-30. Top holdings: MARKEL GROUP INC., AMAZON COM INC, O REILLY AUTOMOTIVE INC, COPART INC, AMERICAN TOWER CORP /MA/. Quarterly changes and source links to the original SEC 13F filings. Long options are listed separately in the interactive view.

## Reported share positions (up to 20)

| Company | Report period | Value | Portfolio weight | Change | Source |
|  --- | --- | --- | --- | --- | --- |
| [MARKEL GROUP INC.](https://ownershiptrace.com/13f/companies/171) | 2026-06-30 | 18725460.00 USD | 12.28% | add | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [AMAZON COM INC](https://ownershiptrace.com/13f/companies/83) | 2026-06-30 | 14617392.00 USD | 9.58% | add | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [O REILLY AUTOMOTIVE INC](https://ownershiptrace.com/13f/companies/66) | 2026-06-30 | 13223664.00 USD | 8.67% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [COPART INC](https://ownershiptrace.com/13f/companies/89) | 2026-06-30 | 13043823.00 USD | 8.55% | add | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [AMERICAN TOWER CORP /MA/](https://ownershiptrace.com/13f/companies/151) | 2026-06-30 | 12899621.00 USD | 8.46% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [MICROSOFT CORP](https://ownershiptrace.com/13f/companies/77) | 2026-06-30 | 11490881.00 USD | 7.53% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [BERKSHIRE HATHAWAY INC](https://ownershiptrace.com/13f/companies/152) | 2026-06-30 | 11373865.00 USD | 7.46% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Apple Inc.](https://ownershiptrace.com/13f/companies/313) | 2026-06-30 | 9716130.00 USD | 6.37% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Mastercard Inc](https://ownershiptrace.com/13f/companies/98) | 2026-06-30 | 8213491.00 USD | 5.38% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [LOCKHEED MARTIN CORP](https://ownershiptrace.com/13f/companies/789) | 2026-06-30 | 8018391.00 USD | 5.26% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [VISA INC.](https://ownershiptrace.com/13f/companies/104) | 2026-06-30 | 7505437.00 USD | 4.92% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Alphabet Inc.](https://ownershiptrace.com/13f/companies/37) | 2026-06-30 | 7341809.00 USD | 4.81% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [CCC Intelligent Solutions Holdings Inc.](https://ownershiptrace.com/13f/companies/154) | 2026-06-30 | 3495905.00 USD | 2.29% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Builders FirstSource, Inc.](https://ownershiptrace.com/13f/companies/463) | 2026-06-30 | 3238460.00 USD | 2.12% | add | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Kinsale Capital Group, Inc.](https://ownershiptrace.com/13f/companies/1543) | 2026-06-30 | 2951470.00 USD | 1.93% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [CBRE GROUP, INC.](https://ownershiptrace.com/13f/companies/1481) | 2026-06-30 | 1521324.00 USD | 1.00% | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [SBA COMMUNICATIONS CORP](https://ownershiptrace.com/13f/companies/163) | 2026-06-30 | 840479.00 USD | 0.55% | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [JPMORGAN CHASE & CO](https://ownershiptrace.com/13f/companies/16) | 2026-06-30 | 793448.00 USD | 0.52% | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [Akre Focus ETF](https://ownershiptrace.com/13f/companies/109922) | 2026-06-30 | 569612.00 USD | 0.37% | add | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| [CHEVRON CORP](https://ownershiptrace.com/13f/companies/717) | 2026-06-30 | 446723.00 USD | 0.29% | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |

## Recent source filings (up to 20)

| Report period | Filed | Form | Source |
|  --- | --- | --- | --- |
| 2026-06-30 | 2026-08-10 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000008-index.html) |
| 2026-03-31 | 2026-05-15 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000006-index.html) |
| 2025-12-31 | 2026-02-12 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-26-000003-index.html) |
| 2025-09-30 | 2025-11-12 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-25-000009-index.html) |
| 2025-06-30 | 2025-07-29 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-25-000005-index.html) |
| 2025-03-31 | 2025-05-14 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-25-000003-index.html) |
| 2024-12-31 | 2025-02-14 00:00:00 | 13F-HR | [Original filing](https://www.sec.gov/Archives/edgar/data/2056320/0002056320-25-000001-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.

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