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Greenbrier Partners Capital Management, LLC

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13F filer, CIK 1532262, DALLAS, TX

Greenbrier Partners Capital Management, LLC reported $1,298,481,699 across 11 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 99.11% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001532262-26-000003

Period
2026-03-31
Reported value
$1.3B
Holdings
11
Top 10 weight
99.11%
New
0
Sold out
1

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AAPLreduced-240,776-$61.1M
PYPLexited-380,012-$22.2M
METAreduced-5,357-$3.06M
GOOGLreduced-8,542-$2.46M
BRK-Breduced-3,910-$1.87M

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, Q1 2026

Share positions as resolved from 13F-HR 0001532262-26-000003, largest first. % of portfolio is the value over $1,298,481,699, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,434,110 shares; 2024Q4: 1,434,110 shares; 2025Q1: 1,429,977 shares; 2025Q2: 1,425,227 shares; 2025Q3: 1,423,300 shares; 2025Q4: 1,421,438 shares; 2026Q1: 1,180,662 shares 1,180,662$300M23.08%-240,776Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 403,835 shares; 2024Q4: 403,835 shares; 2025Q1: 402,079 shares; 2025Q2: 401,499 shares; 2025Q3: 400,982 shares; 2025Q4: 400,457 shares; 2026Q1: 395,100 shares 395,100$226M17.41%-5,357Timeline
COSTCOSTCO WHOLESALE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 224,352 shares; 2024Q4: 224,352 shares; 2025Q1: 224,352 shares; 2025Q2: 224,352 shares; 2025Q3: 224,352 shares; 2025Q4: 224,059 shares; 2026Q1: 222,472 shares 222,472$222M17.07%-1,587Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 466,659 shares; 2024Q4: 466,659 shares; 2025Q1: 466,659 shares; 2025Q2: 466,659 shares; 2025Q3: 466,659 shares; 2025Q4: 466,049 shares; 2026Q1: 462,748 shares 462,748$133M10.22%-3,301Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 628,178 shares; 2024Q4: 628,178 shares; 2025Q1: 628,178 shares; 2025Q2: 628,178 shares; 2025Q3: 626,469 shares; 2025Q4: 625,649 shares; 2026Q1: 621,219 shares 621,219$129M9.96%-4,430Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 466,067 shares; 2024Q4: 466,067 shares; 2025Q1: 460,767 shares; 2025Q2: 458,587 shares; 2025Q3: 456,503 shares; 2025Q4: 455,906 shares; 2026Q1: 447,364 shares 447,364$129M9.91%-8,542Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 27,420 shares; 2024Q4: 27,420 shares; 2025Q1: 27,420 shares; 2025Q2: 27,420 shares; 2025Q3: 27,420 shares; 2025Q4: 26,578 shares; 2026Q1: 25,616 shares 25,616$49M3.78%-962Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 119,843 shares; 2024Q4: 119,843 shares; 2025Q1: 119,843 shares; 2025Q2: 119,843 shares; 2025Q3: 119,843 shares; 2025Q4: 119,686 shares; 2026Q1: 118,838 shares 118,838$44M3.39%-848Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 88,812 shares; 2024Q4: 88,812 shares; 2025Q1: 88,812 shares; 2025Q2: 88,812 shares; 2025Q3: 87,964 shares; 2025Q4: 84,614 shares; 2026Q1: 80,704 shares 80,704$38.7M2.98%-3,910Timeline
SPOTSPOTIFY TECHNOLOGY S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 35,623 shares; 2024Q4: 35,623 shares; 2025Q1: 35,623 shares; 2025Q2: 35,623 shares; 2025Q3: 35,623 shares; 2025Q4: 35,576 shares; 2026Q1: 35,324 shares 35,324$17.1M1.32%-252Timeline
CPRTCOPART INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 199,738 shares; 2024Q4: 199,738 shares; 2025Q1: 199,738 shares; 2025Q2: 250,000 shares; 2025Q3: 350,000 shares; 2025Q4: 349,542 shares; 2026Q1: 347,066 shares 347,066$11.5M0.89%-2,476Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
PYPLPAYPAL HLDGS INC380,012$22.2Mshares

How Q1 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 0001532262-26-000003 base2026-05-15acceptance time not in the bulk data set