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Rockbridge Asset Management LLC

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13F filer, CIK 2056320, ALEXANDRIA, VA

Rockbridge Asset Management LLC reported $155,144,446 across 31 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-10. Its ten largest share positions make up 79.54% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0002056320-26-000008

Period
2026-06-30
Reported value
$155M
Holdings
31
Top 10 weight
79.54%
New
4
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CPRTadded+186,719$5.26M
MKLadded+199$389K
KLACnew+1,130$341K
LRCXnew+730$316K
BLDRadded+3,283$294K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CCCreduced-386,154-$1.99M
Vreduced-2,744-$941K
KNSLreduced-2,438-$804K
AMTreduced-4,147-$678K
MAreduced-556-$286K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0002056320-26-000008, largest first. % of portfolio is the value over $152,530,751, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 14,386 shares; 2025Q1: 9,592 shares; 2025Q2: 9,554 shares; 2025Q3: 8,997 shares; 2025Q4: 8,997 shares; 2026Q1: 9,389 shares; 2026Q2: 9,588 shares 9,588$18.7M12.28%+199Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 78,518 shares; 2025Q1: 78,736 shares; 2025Q2: 81,557 shares; 2025Q3: 77,491 shares; 2025Q4: 73,518 shares; 2026Q1: 61,260 shares; 2026Q2: 61,330 shares 61,330$14.6M9.58%+70Timeline
ORLYOREILLY AUTOMOTIVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 11,565 shares; 2025Q1: 11,604 shares; 2025Q2: 173,460 shares; 2025Q3: 161,885 shares; 2025Q4: 161,885 shares; 2026Q1: 145,884 shares; 2026Q2: 143,595 shares 143,595$13.2M8.67%-2,289Timeline
CPRTCOPART INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 238,830 shares; 2025Q1: 240,271 shares; 2025Q2: 247,819 shares; 2025Q3: 256,067 shares; 2025Q4: 261,067 shares; 2026Q1: 275,992 shares; 2026Q2: 462,711 shares 462,711$13M8.55%+186,719Timeline
AMTAMERICAN TOWER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 91,744 shares; 2025Q1: 92,179 shares; 2025Q2: 91,726 shares; 2025Q3: 90,174 shares; 2025Q4: 88,380 shares; 2026Q1: 83,010 shares; 2026Q2: 78,863 shares 78,863$12.9M8.46%-4,147Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 51,845 shares; 2025Q1: 36,620 shares; 2025Q2: 35,307 shares; 2025Q3: 34,047 shares; 2025Q4: 33,699 shares; 2026Q1: 30,849 shares; 2026Q2: 30,805 shares 30,805$11.5M7.53%-44Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 25,862 shares; 2025Q1: 25,973 shares; 2025Q2: 25,888 shares; 2025Q3: 24,379 shares; 2025Q4: 24,379 shares; 2026Q1: 22,860 shares; 2026Q2: 22,730 shares 22,730$11.4M7.46%-130Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 42,896 shares; 2025Q1: 38,567 shares; 2025Q2: 38,431 shares; 2025Q3: 36,711 shares; 2025Q4: 36,175 shares; 2026Q1: 33,788 shares; 2026Q2: 33,578 shares 33,578$9.72M6.37%-210Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 18,960 shares; 2025Q1: 19,103 shares; 2025Q2: 19,022 shares; 2025Q3: 18,183 shares; 2025Q4: 18,183 shares; 2026Q1: 16,548 shares; 2026Q2: 15,992 shares 15,992$8.21M5.38%-556Timeline
LMTLOCKHEED MARTIN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 18,202 shares; 2025Q1: 18,283 shares; 2025Q2: 18,213 shares; 2025Q3: 17,253 shares; 2025Q4: 17,253 shares; 2026Q1: 15,933 shares; 2026Q2: 15,739 shares 15,739$8.02M5.26%-194Timeline
VVISA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 15,698 shares; 2025Q1: 15,761 shares; 2025Q2: 15,690 shares; 2025Q3: 14,738 shares; 2025Q4: 20,031 shares; 2026Q1: 24,620 shares; 2026Q2: 21,876 shares 21,876$7.51M4.92%-2,744Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 16,478 shares; 2025Q1: 16,687 shares; 2025Q2: 24,699 shares; 2025Q3: 21,666 shares; 2025Q4: 21,666 shares; 2026Q1: 20,568 shares; 2026Q2: 20,544 shares 20,544$7.34M4.81%-24Timeline
CCCCCC INTELLIGENT SOLUTIONS HLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 457,443 shares; 2025Q1: 460,775 shares; 2025Q2: 681,249 shares; 2025Q3: 404,249 shares; 2025Q4: 721,499 shares; 2026Q1: 1,063,655 shares; 2026Q2: 677,501 shares 677,501$3.5M2.29%-386,154Timeline
BLDRBUILDERS FIRSTSOURCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 17,109 shares; 2025Q1: 28,388 shares; 2025Q2: 36,686 shares; 2025Q3: 35,507 shares; 2025Q4: 35,738 shares; 2026Q1: 32,909 shares; 2026Q2: 36,192 shares 36,192$3.24M2.12%+3,283Timeline
KNSLKINSALE CAP GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,490 shares; 2026Q1: 11,387 shares; 2026Q2: 8,949 shares 8,949$2.95M1.93%-2,438Timeline
CBRECBRE GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 11,322 shares; 2026Q2: 11,295 shares 11,295$1.52M1%-27Timeline
SBACSBA COMMUNICATIONS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 6,027 shares; 2025Q1: 6,131 shares; 2025Q2: 6,131 shares; 2025Q3: 5,047 shares; 2025Q4: 5,047 shares; 2026Q1: 4,763 shares; 2026Q2: 4,763 shares 4,763$840K0.55%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 2,424 shares; 2025Q1: 2,424 shares; 2025Q2: 2,424 shares; 2025Q3: 2,424 shares; 2025Q4: 2,424 shares; 2026Q1: 2,424 shares; 2026Q2: 2,424 shares 2,424$793K0.52%0Timeline
AKREPROFESIONALLY MANAGED PORTFOQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 5,887 shares; 2026Q1: 6,687 shares; 2026Q2: 10,709 shares 10,709$570K0.37%+4,022Timeline
CVXCHEVRON CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 2,695 shares; 2025Q1: 2,695 shares; 2025Q2: 2,695 shares; 2025Q3: 2,695 shares; 2025Q4: 2,695 shares; 2026Q1: 2,695 shares; 2026Q2: 2,695 shares 2,695$447K0.29%0Timeline
KLACKLA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,130 shares 1,130$341K0.22%newTimeline
GEGE AEROSPACEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 875 shares; 2025Q3: 875 shares; 2025Q4: 875 shares; 2026Q1: 875 shares; 2026Q2: 875 shares 875$327K0.21%0Timeline
LRCXLAM RESEARCH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 730 shares 730$316K0.21%newTimeline
MPLXMPLX LPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 5,381 shares; 2025Q1: 5,381 shares; 2025Q2: 5,381 shares; 2025Q3: 5,381 shares; 2025Q4: 5,381 shares; 2026Q1: 5,381 shares; 2026Q2: 5,381 shares 5,381$303K0.2%0Timeline
AEPAMERICAN ELEC PWR CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 2,116 shares; 2025Q2: 2,116 shares; 2025Q3: 2,116 shares; 2025Q4: 2,116 shares; 2026Q1: 2,116 shares; 2026Q2: 2,116 shares 2,116$289K0.19%0Timeline
AVGOBROADCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 700 shares; 2025Q4: 700 shares; 2026Q1: 700 shares; 2026Q2: 700 shares 700$264K0.17%0Timeline
GEVGE VERNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 218 shares 218$256K0.17%newTimeline
PGPROCTER & GAMBLE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: 1,721 shares; 2025Q1: 1,721 shares; 2025Q2: 1,721 shares; 2025Q3: 1,721 shares; 2025Q4: 1,721 shares; 2026Q1: 1,721 shares; 2026Q2: 1,721 shares 1,721$252K0.17%0Timeline
ISOUISOENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 10,000 shares; 2025Q4: 10,000 shares; 2026Q1: 10,000 shares; 2026Q2: 10,000 shares 10,000$99.7K0.07%0Timeline
NABLN-ABLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 14,680 shares 14,680$53.9K0.04%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
SPYSTATE STR SPDR S&P 500 ETF T SHSput3,500$2.61M+2,500

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0002056320-26-000008 base2026-08-10acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0002056320-26-000008 Quarter ended 2026-06-302026-08-10acceptance time not in the bulk data set
13F-HR 0002056320-26-000006 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0002056320-26-000003 Quarter ended 2025-12-312026-02-12acceptance time not in the bulk data set
13F-HR 0002056320-25-000009 Quarter ended 2025-09-302025-11-12acceptance time not in the bulk data set
13F-HR 0002056320-25-000005 Quarter ended 2025-06-302025-07-29acceptance time not in the bulk data set
13F-HR 0002056320-25-000003 Quarter ended 2025-03-312025-05-14acceptance time not in the bulk data set
13F-HR 0002056320-25-000001 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set