Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Graham Holdings Co (CIK 104889) reported $966.7M across 6 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: BRK/A ($303.1M, 31.35%), GOOG ($282.2M, 29.19%), BRK/B ($230.9M, 23.89%), MKL ($106.1M, 10.97%), PUBM ($27.8M, 2.88%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | BRK/A | BERKSHIRE HATHAWAY INC DEL | $303.1M | 31.35% | 422 | Hold |
| 2 | GOOG | ALPHABET INC | $282.2M | 29.19% | 983,712 | Trimmed |
| 3 | BRK/B | BERKSHIRE HATHAWAY INC DEL | $230.9M | 23.89% | 481,920 | Hold |
| 4 | MKL | MARKEL GROUP INC | $106.1M | 10.97% | 55,430 | Hold |
| 5 | PUBM | PUBMATIC INC | $27.8M | 2.88% | 3.4M | Added |
| 6 | CABO | CABLE ONE INC | $16.6M | 1.72% | 182,439 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31