Norbert Lou
Net sellingPunch Card Management L.P. — managed by Norbert Lou; US equity positions disclosed quarterly via SEC 13F
Data as of 2026-03-31 (filed 2026-05-15) · Source: SEC EDGAR
Punch Card Management L.P.'s most recent 13F filing, for the quarter ended 2026-03-31, reports 5 positions worth $270.6M. The top 5 holdings represent 100% of that value, a concentrated portfolio.
The single largest position is Berkshire Hathaway Inc at 38.5% of the portfolio, followed by Crocs Inc at 18.2% and Ishares Tr at 17.1%.
Against the prior quarter, Norbert Lou opened 0 new positions, exited 0, added to 0, and trimmed 1.
Across all 8 quarters on file, Berkshire Hathaway Inc has appeared in every filing, as has Ishares Tr. Berkshire Hathaway Inc currently ranks first by value.
A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.
None of Norbert Lou's tracked holdings are in the strike zone right now.
Valuation as of 2026-07-02; method: conservative Greenwald value band + Owner-Earnings DCF. Position observation, not advice.
Next · is it cheap
Norbert Lou has no positions in the strike zone right now.
Browse the whole market by value band- Value$104.1MValuation—Holders14Weight (prev→now)36.4% → 38.5%
- Value$49.4MValuationAbove valueHolders7Weight (prev→now)16.9% → 18.2%
- Value$46.3MValuation—Holders5Weight (prev→now)18.9% → 17.1% ▼
- Value$42.4MValuationAbove valueHolders7Weight (prev→now)15.6% → 15.7%
- Value$28.4MValuationWithin bandHolders8Weight (prev→now)12.2% → 10.5%
Sources· SEC EDGAR 13F as of 2026-03-31 · filed 2026-05-15
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