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Lane Kasselman 13F portfolio summary

Lane Kasselman of GREENBRIER PARTNERS CAPITAL MANAGEMENT, LLC has 11 current stock holdings with a reported portfolio value of $1.30B. The portfolio 1 year return is +13.71%. Top holdings include AAPL (23.08%), META (17.41%), COST (17.07%), GOOG (10.22%), AMZN (9.96%).

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Lane Kasselman

GREENBRIER PARTNERS CAPITAL MANAGEMENT, LLC
Latest filing: 2026-03-31

Lane Kasselman runs GREENBRIER PARTNERS CAPITAL MANAGEMENT, LLC and currently holds 11 stock positions, which is fewer than the average of 236 among the investors we track. The portfolio is valued at approximately $1.30B. Their top holdings are AAPL, META, COST, GOOG, AMZN. The top five represent 77.7% of reported portfolio weight. Lane Kasselman ranks #513 out of 1000 investors tracked by Alpha Score. They trimmed 11 positions. Their current best-performing preview position is COST with returns of +15.55%.

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Top 5 Holdings
AAPL23.1%
META17.4%
COST17.1%
GOOG10.2%
AMZN10.0%
Top 5: 77.7%
Portfolio Returns
1 Year
+13.71%
#907/1000
3 Year
+83.48%
#303/1000
5 Year
+67.41%
#552/1000

Portfolio Value

$1.30B

Alpha Score

54.1

#513 of 1000

Holdings

11

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11 stock holdings

HoldingWeightAvg BuyCurrentReturnQuarter Change
AAPL
APPLE INC
23.08%$16.28$340.27+1,990.11%
Trimmed
-16.94%
META
META PLATFORMS INC
17.41%$28.44$589.13+1,971.47%
Trimmed
-1.34%
COST
COSTCO WHOLESALE CORPORATION
17.07%$125.30$971.89+675.65%
Trimmed
-0.71%
GOOG
ALPHABET INC
10.22%$38.01$333.47+777.32%
Trimmed
-0.71%
AMZN
AMAZON COM INC
9.96%$41.07$228.04+455.25%
Trimmed
-0.71%
GOOGL
ALPHABET INC
9.91%$39.01$334.66+757.88%
Trimmed
-1.87%
MKL
MARKEL GROUP INC
3.78%$542.97$2,026.81+273.28%
Trimmed
-3.62%
MSFT
MICROSOFT CORP
3.39%$205.10$394.78+92.48%
Trimmed
-0.71%
BRK-B
BERKSHIRE HATHAWAY INC DEL
2.98%$113.04$509.24+350.50%
Trimmed
-4.62%
SPOT
SPOTIFY TECHNOLOGY S A
1.32%$145.29$511.12+251.79%
Trimmed
-0.71%

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