Punch Card Management L.P. holds a concentrated book of 5 stocks worth $270.6M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they trimmed Ishares 0-3 Month Treasury B. Their largest long position is Berkshire Hathaway Inc-CL A at 38% of the equity book.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1631664/holdings"
Use Arkolith to show Punch Card Management L.P.'s latest holdings, largest changes, and filing provenance.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
83% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
No buys this quarter.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc Del CL A | $104.1M | 145 | 38.5% | —Held | |
| 2 | Crocs Inc COM | $49.4M | 594.6K | 18.2% | —Held | |
| 3 | Ishares TR 0-3 MNTH TREASRY | $46.3M | 460.0K | 17.1% | ▼−19% Reduced · −106K sh | |
| 4 | PDD Holdings Inc SPONSORED ADS | $42.4M | 415.0K | 15.7% | —Held | |
| 5 | PayPal Hldgs Inc COM | $28.4M | 628.9K | 10.5% | —Held |
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.