Institutional manager · SEC 13F

Norbert Lou

Punch Card Management L.P.

Reported book: $237M
Reported positions: 4
As of: Jun 30, 2026

Largest disclosed holdingstop 3 of 4

BRK-BBERKSHIRE HATHAWAY INC DEL$108.6M45.8%
CROXCROCS INC$69.6M29.4%
PDDPDD HOLDINGS INC$31.7M13.4%

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