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Greenbrier Partners Capital Management 13F Portfolio

Portfolio Manager
Greenbrier Partners Capital Management LLC
Performance
+8.37% (2026 Q2)
AUM (13F)
$1.33B
# of Holdings
11
Performance Rank
Allocation (Top 20)
100.01%
Latest filing
Q2 2026

Greenbrier Partners Capital Management LLC Holdings Map

Top 11 Greenbrier Partners Capital Management LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
AAPL
APPLE INC
21.6%996.2K$288.3M
-15.63%(-184.48K)
2025-Q2: 1.43M shares2025-Q3: 1.42M shares2025-Q4: 1.42M shares2026-Q1: 1.18M shares2026-Q2: 996.2K shares
$12.29(+2396.19%)
2026-06-30
META
META PLATFORMS INC
15.55%368.5K$207.6M
-6.73%(-26.61K)
2025-Q2: 401.5K shares2025-Q3: 401.0K shares2025-Q4: 400.5K shares2026-Q1: 395.1K shares2026-Q2: 368.5K shares
$28.89(+1965.45%)
2026-06-30
COST
COSTCO WHOLESALE CORPORATION
15.54%221.7K$207.4M
-0.33%(-742)
2025-Q2: 224.4K shares2025-Q3: 224.4K shares2025-Q4: 224.1K shares2026-Q1: 222.5K shares2026-Q2: 221.7K shares
$81.76(+1065.56%)
2026-06-30
AMZN
AMAZON COM INC
11.06%619.1K$147.6M
-0.33%(-2.07K)
2025-Q2: 628.2K shares2025-Q3: 626.5K shares2025-Q4: 625.6K shares2026-Q1: 621.2K shares2026-Q2: 619.1K shares
$38.64(+611.54%)
2026-06-30
GOOG
ALPHABET INC
10.89%411.4K$145.4M
-11.10%(-51.38K)
2025-Q2: 466.7K shares2025-Q3: 466.7K shares2025-Q4: 466.0K shares2026-Q1: 462.7K shares2026-Q2: 411.4K shares
$28.41(+1133.51%)
2026-06-30
GOOGL
ALPHABET INC
10.58%395.3K$141.3M
-11.64%(-52.06K)
2025-Q2: 458.6K shares2025-Q3: 456.5K shares2025-Q4: 455.9K shares2026-Q1: 447.4K shares2026-Q2: 395.3K shares
$15.46(+2172.75%)
2026-06-30
SPOT
SPOTIFY TECHNOLOGY S A
3.78%110.0K$50.5M
+211.51%(+74.72K)
2025-Q2: 35.6K shares2025-Q3: 35.6K shares2025-Q4: 35.6K shares2026-Q1: 35.3K shares2026-Q2: 110.0K shares
$362.88(+40.63%)
2026-06-30
MKL
MARKEL GROUP INC
3.74%25.5K$49.9M
-0.33%(-85)
2025-Q2: 27.4K shares2025-Q3: 27.4K shares2025-Q4: 26.6K shares2026-Q1: 25.6K shares2026-Q2: 25.5K shares
$462.01(+299.21%)
2026-06-30
MSFT
MICROSOFT CORP
3.31%118.4K$44.2M
-0.33%(-396)
2025-Q2: 119.8K shares2025-Q3: 119.8K shares2025-Q4: 119.7K shares2026-Q1: 118.8K shares2026-Q2: 118.4K shares
$198.78(+152.92%)
2026-06-30
BRK.B
BERKSHIRE HATHAWAY INC DEL
3.02%80.4K$40.2M
-0.33%(-269)
2025-Q2: 88.8K shares2025-Q3: 88.0K shares2025-Q4: 84.6K shares2026-Q1: 80.7K shares2026-Q2: 80.4K shares
$79.27(+560.20%)
2026-06-30

About Greenbrier Partners Capital Management LLCโ€™s portfolio

Greenbrier Partners Capital Management LLC reports $1.33B in US-listed equity holdings across 11 positions in its most recent 13F filing. Its largest disclosed positions are AAPL (21.6%), META (15.6%) and COST (15.5%). The top 20 holdings account for 100.01% of reported assets. Its disclosed equity book has returned +84.02% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
AAPL โ€” 21.6% ($288.26M)META โ€” 15.6% ($207.57M)COST โ€” 15.5% ($207.42M)AMZN โ€” 11.1% ($147.57M)GOOG โ€” 10.9% ($145.35M)GOOGL โ€” 10.6% ($141.27M)SPOT โ€” 3.8% ($50.52M)MKL โ€” 3.7% ($49.86M)MSFT โ€” 3.3% ($44.18M)BRK.B โ€” 3.0% ($40.25M)Other โ€” 0.9% ($12.57M)
99%in top 10
  • AAPL21.6%
  • META15.6%
  • COST15.5%
  • AMZN11.1%
  • GOOG10.9%
  • GOOGL10.6%
  • SPOT3.8%
  • MKL3.7%
  • MSFT3.3%
  • BRK.B3.0%
  • Other0.9%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

Added to
2
SPOTSPOTIFY TECHNOLOGY S A+211.5%
CPRTCOPART INC+28.5%
Trimmed
9
AAPLAPPLE INC-15.6%
GOOGLALPHABET INC-11.6%
GOOGALPHABET INC-11.1%
METAMETA PLATFORMS INC-6.7%
+5 more

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Source filings

Holdings on this page are parsed from Greenbrier Partners Capital Management LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1532262). View Greenbrier Partners Capital Management LLCโ€™s 13F filings on SEC

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