Universe · entity
Graham Holdings Co
Institutional manager (13F) · CIK 104889
13F holdings · as of 2026-03-31 · top 6 · reported portfolio $967k
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | $303k | 422 |
| 2 | ALPHABET INC | $282k | 983,712 |
| 3 | BERKSHIRE HATHAWAY INC DEL | $231k | 481,920 |
| 4 | MARKEL GROUP INC | $106k | 55,430 |
| 5 | PUBMATIC INC | $28k | 3,398,904 |
| 6 | CABLE ONE INC | $17k | 182,439 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.