Latticework
Norbert Lou

Norbert Lou's 2026Q1 portfolio

Norbert Lou (Punch Card Management) held 5 positions as of Mar 31, 2026, with the largest position at 38.5% of the portfolio. This is the latest 13F filing on record.

Showing positions still held at the most recent quarter so their historical weights can be reconstructed. Positions that were held in 2026Q1but have since been exited aren't included in this table — for a full point-in-time reconstruction, use the SEC EDGAR filing directly.

Holdings as of Mar 31, 2026 (5)

  1. 1BRK/ABerkshire Hathaway Inc-cl A
    % port
    38.5%
    +2.1pp vs prior Q
  2. 2CROXCrocs Inc
    % port
    18.2%
    +1.3pp vs prior Q
  3. 3SGOVIshares 0-3 Month Treasury B
    % port
    17.1%
    -1.8pp vs prior Q
  4. 4PDDPdd Holdings Inc
    % port
    15.7%
  5. 5PYPLPaypal Holdings Inc
    % port
    10.5%
    -1.7pp vs prior Q

13F-HR filings disclose long US-equity positions only. 13Fs don't cover shorts, bonds, derivatives, or non-US listings, so the picture here is the public part of the portfolio — not the whole.

Not investment advice.