Punch Card Management L.P. is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $271M in reported equity holdings across 5 positions. The largest holdings are BRK.A (38.5%), CROX (18.2%), ECNS.SN (17.1%), PDD (15.7%), PYPL (10.5%). The portfolio is concentrated in Other (100.0%). Data sourced from SEC EDGAR 13F filings (CIK 1631664).